THE MAGIC WORD month dedica lion us undertakes build Gi ant Scale model big idea full itdedication plan kit hand embark project will never com pleted ittotal dedication may di verted task time time dedication will produce model flies un der radio control Admittedly being dedicated particular model takes lot time patience loot Ofttimes may sidetracked host reasonstoo enumerated through sheer grit us will see model through completion Take extreme case model designer intends kit effort starts out clean piece drafting paper pencil stack documentation desire produce com mercially viable model airplane bring project fruition will require dedica tion us can contemplate kit designer must decide ultimate scale size model calculate its probable fly ing weight engineer models structure choose appropriate power plant prepares drawings must assure parts model fit draftings fin ished must build test model verify plans accuracy test model models must flown test findings incorporated both drawings models Finally good flying model hand kit designer must go through machina tions will result box full compatible parts shelf hobby shop hands model builder Probably im portant consideration massive effort model built kit average model builder will duplicate looks performance designers teat models Its great good fortune meet such dedicated model designer/kit producer recently name Pat Corderman experience has positive inspiration four years ago Pat inspired Northrop Gam ma 1932 all-metal low-wing monoplane made famous several outstanding aviators era project seemed like valid since wasn t RC Gamma avallable either draw ings kit addition full-scale Northrop built several configurations attrac tive feature Scale model builders Singleor dual-tandem-cockpit arrangements park bench conventional ailerons radial- inline-engined versions prototype might logical variations basic kit Pat went Giant step further Early decided produce model completely fiber gloss would fuselage cowl landing gear pants molded material flying surfaces would also same material rather major problem facing Pathe didnt know diddicy-squat about fiberglass Most us know fiberglass kits include wings tail surfaces cut poly foam Pat felt lighter accurate fiber glass surfaces could engineered using resin glass-fabric casting' technique Although us have read articles model maga zines describing fiberglass construction tech mques have approached daunt ing task describing produce entire model So past four years Pat Corderman has teachg himself work fiberglass well has succeeded obvious just looking photograph completed North rop Gamma accompanies column give idea precision fiberglass work fit between fiberglass wing wing saddie precise no exhaust residue can creep between parts though no rubber foam sealing strips used models Pat chose Jack Cole test pilot proto type model Early test flights showed bird flew like homesick angelonce air borne major problem surface interference between wheels/tires wheel trousers first landing prototype model side loads wheels locked up resulting cartwheel Rebuilt re engineered sturdier internal landing gear strut system difficulty eliminated usual problems power plant/propeller choices course model 15 lb 96-in spantrue /6-scale uses 05 108 engine best prop turned out either 15 x 8 16 x 8 size provides plenty thrust well keeping engine cool behind dummy scale engine test model flying Pat added 48 Model Aviation Radio Cono Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 Cordys Flying Circus has 96-in-span kit Northrop Gamma info column Bill Pixiers Piper L-4 Without doubt model flies realistic fashion other ever observed author de Vries just putt-putts along L-4 Army observation aircraft used WW II Its really just J-3 Cub windows Ron Comptons prize-winning 3rd place Rocky Mountain Scale Master Regionals Piper Pawnee crop duster Its good 01 boy pilot wears 10-gallon hat Ron Tye Pagosa Springs CO spent 5 years building 14-ft-span -scale Curtiss Jenny Quadra 80 provides power Scale prop has 33-in diameter flight prop 24 Rigging wires have 104 turnbuckles scale flaps work should well functioning landing lights latter adapted inexpensive K-Mart flashlights op erated own batteries run off ml croswitch applied Down side flap ser vos fiberglass castings Gamma model clude raised paneling prototype Scale rivets precise blobs glue must added builder duplicate round-headed riv ets real bird Pat chose duplicate Frank Hawks Texaco Sky Chief version North rop conventional ailerons scale park bench aileron versions proved too prone flutter Thus kit includes colorful red white black green pinstripe stick-on de cals duplicate Hawks coast-to-coast recordsetter case youre interested getting fine kits yourself can write call Pat Cordys Flying Circus 1502 N Prospect Col orado Springs CO 80907 phone 719 4737195 kit $300-plus range Still subject dedicationhave seen what LF Doc Pepino has designed Young Dec has produced set drawings Supermarine 56B Schneider Trophy-winning seaplane thatll take breath away can produce either 100% Scale bird 90-in-span Sport Scale floater thats truly awesome six large sheets drawing set Dec can provide accompanying photo packs featuring full-scale airplane displayed Science Museum London Eng land color black-and-white Folded sent parcel post drawings $57 rolled mailed Priority price $60from Scale Plans & Photo Service 3209 Madison Ave Greensboro NC 27403 makes wish suitable bunch water locallyfor RC flying Giant Scale water-planes sound like lot fun seems rash propeller-related ac cidents amongst us Giant Scalers Bob McLeods great Curtiss P-40 pictured last months col umn victim just such situation Brian OMearas Scale Master P-47 Bobs case initial test flight going very Continued page 154 ion 1 1 Elbow Price $250 Fourmost Fuel Fitting Sets molded fuel proof polyethylene Small 1 Tee Price $2 Size 1/16 10 2 Elbow~j 1 Pen BladderTee FOURMOST PRODUCTS 4040 24TH AVEFOREST GROVE OR 97116503 357 2732 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing $27500 stab canopy retractable landing gear plans. Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings $45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt. Information Package $100 /Mastercard accepted $15OOshipping Idaho ma add 5% aalastax Mike Zamber Classic Glass PO Box 503 Blacktoot Idaho 83221-0503 85-2309 October 1988 49 FUEL FITTING SETS Large Size 3/32 10 ug Classic Glass Grumman Wildcat 1/5 Scale Dan Parsons Albuquerque NM Martin-Baker MB-5 Dan markets some mar velousiy light fiberglass cloth used Giant Scaiers finish pianes thumbing through old model maga zines recently came across following Air Trails November 1943 Allison engine has 720 parts compared 2300 Merlin Isnt mind-boggling RC Giant Scale/de Vries Continued page 49 well retracts worked bird very stable Making pass down club field run way heard sharp crack ominous sound unbalanced engine Curtiss wouldnt answer controls assumed 150 nose-down attitude nothing Bob could watch Giant P-40 powder itself Post-mortems deter mined part multibladed flight prop given way resulting major vibration rendered servos powerless offending blade parted well outboard propeller hub lest conclude glue joint failed Brian OMearas propeller problems bit different cowl Thunderbolt came adrift slipped forward prop Pieces seen leaving model turned out hunks razor-backed Jugs windshield canopy surmised sliced off propeller fragments Skillful pilot OMeara did have some control over bird wasnt totally destroyed crash sound engine made indicated least part propeller still attached drive shaft both instances however results similar pair Giant Scale models de stroyed disintegrating propellers moral check props cowlings before flight Its cheap insurance have replace 10-buck prop Its less ex pensive check replace overstressed ag ing cowling mounting pads bolts Gosma have skip next months colnnm cause annual coverage Nats See again December issue advances setting first switch close activates motorbattery circuit some on-purpose resistance series lhis fractional-ohm resistor loosely wound coil nichrome wire seen photos happens motor gets soft start because smail additional resis tance limits otherwise very large current surge Shortly after closure second microswitch closes servo motion continues effectively bypasses resistor thus applying full battery voltage motor Similarly two switches open reverse der during shutdown now resistor con nected series braking switch contacts stop-current surge comparably minimized two-switch action happens quickiy transmitters throttle stick ad vanced retarded Im sure results Join Ole nAL ~~0 IMAA 1ff "nC/ ggO Far Membership Information ---Contact Robert A. Blaney o Secretary IMAA 14 Parkview Road Long Valley NJ USA 07953 -4 154 Model Aviation L OPS 18 xi engine quarter scale Contact us free engine test results 5~sPwPIeof CoI%*eta% 9m64 9uec $75-$l0Owhich good O&RRC Electrics/Kopski Continued page 51 r
Edition: Model Aviation - 1988/10
Page Numbers: 48, 49, 154
Edition: Model Aviation - 1988/10
Page Numbers: 48, 49, 154
THE MAGIC WORD month dedica lion us undertakes build Gi ant Scale model big idea full itdedication plan kit hand embark project will never com pleted ittotal dedication may di verted task time time dedication will produce model flies un der radio control Admittedly being dedicated particular model takes lot time patience loot Ofttimes may sidetracked host reasonstoo enumerated through sheer grit us will see model through completion Take extreme case model designer intends kit effort starts out clean piece drafting paper pencil stack documentation desire produce com mercially viable model airplane bring project fruition will require dedica tion us can contemplate kit designer must decide ultimate scale size model calculate its probable fly ing weight engineer models structure choose appropriate power plant prepares drawings must assure parts model fit draftings fin ished must build test model verify plans accuracy test model models must flown test findings incorporated both drawings models Finally good flying model hand kit designer must go through machina tions will result box full compatible parts shelf hobby shop hands model builder Probably im portant consideration massive effort model built kit average model builder will duplicate looks performance designers teat models Its great good fortune meet such dedicated model designer/kit producer recently name Pat Corderman experience has positive inspiration four years ago Pat inspired Northrop Gam ma 1932 all-metal low-wing monoplane made famous several outstanding aviators era project seemed like valid since wasn t RC Gamma avallable either draw ings kit addition full-scale Northrop built several configurations attrac tive feature Scale model builders Singleor dual-tandem-cockpit arrangements park bench conventional ailerons radial- inline-engined versions prototype might logical variations basic kit Pat went Giant step further Early decided produce model completely fiber gloss would fuselage cowl landing gear pants molded material flying surfaces would also same material rather major problem facing Pathe didnt know diddicy-squat about fiberglass Most us know fiberglass kits include wings tail surfaces cut poly foam Pat felt lighter accurate fiber glass surfaces could engineered using resin glass-fabric casting' technique Although us have read articles model maga zines describing fiberglass construction tech mques have approached daunt ing task describing produce entire model So past four years Pat Corderman has teachg himself work fiberglass well has succeeded obvious just looking photograph completed North rop Gamma accompanies column give idea precision fiberglass work fit between fiberglass wing wing saddie precise no exhaust residue can creep between parts though no rubber foam sealing strips used models Pat chose Jack Cole test pilot proto type model Early test flights showed bird flew like homesick angelonce air borne major problem surface interference between wheels/tires wheel trousers first landing prototype model side loads wheels locked up resulting cartwheel Rebuilt re engineered sturdier internal landing gear strut system difficulty eliminated usual problems power plant/propeller choices course model 15 lb 96-in spantrue /6-scale uses 05 108 engine best prop turned out either 15 x 8 16 x 8 size provides plenty thrust well keeping engine cool behind dummy scale engine test model flying Pat added 48 Model Aviation Radio Cono Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 Cordys Flying Circus has 96-in-span kit Northrop Gamma info column Bill Pixiers Piper L-4 Without doubt model flies realistic fashion other ever observed author de Vries just putt-putts along L-4 Army observation aircraft used WW II Its really just J-3 Cub windows Ron Comptons prize-winning 3rd place Rocky Mountain Scale Master Regionals Piper Pawnee crop duster Its good 01 boy pilot wears 10-gallon hat Ron Tye Pagosa Springs CO spent 5 years building 14-ft-span -scale Curtiss Jenny Quadra 80 provides power Scale prop has 33-in diameter flight prop 24 Rigging wires have 104 turnbuckles scale flaps work should well functioning landing lights latter adapted inexpensive K-Mart flashlights op erated own batteries run off ml croswitch applied Down side flap ser vos fiberglass castings Gamma model clude raised paneling prototype Scale rivets precise blobs glue must added builder duplicate round-headed riv ets real bird Pat chose duplicate Frank Hawks Texaco Sky Chief version North rop conventional ailerons scale park bench aileron versions proved too prone flutter Thus kit includes colorful red white black green pinstripe stick-on de cals duplicate Hawks coast-to-coast recordsetter case youre interested getting fine kits yourself can write call Pat Cordys Flying Circus 1502 N Prospect Col orado Springs CO 80907 phone 719 4737195 kit $300-plus range Still subject dedicationhave seen what LF Doc Pepino has designed Young Dec has produced set drawings Supermarine 56B Schneider Trophy-winning seaplane thatll take breath away can produce either 100% Scale bird 90-in-span Sport Scale floater thats truly awesome six large sheets drawing set Dec can provide accompanying photo packs featuring full-scale airplane displayed Science Museum London Eng land color black-and-white Folded sent parcel post drawings $57 rolled mailed Priority price $60from Scale Plans & Photo Service 3209 Madison Ave Greensboro NC 27403 makes wish suitable bunch water locallyfor RC flying Giant Scale water-planes sound like lot fun seems rash propeller-related ac cidents amongst us Giant Scalers Bob McLeods great Curtiss P-40 pictured last months col umn victim just such situation Brian OMearas Scale Master P-47 Bobs case initial test flight going very Continued page 154 ion 1 1 Elbow Price $250 Fourmost Fuel Fitting Sets molded fuel proof polyethylene Small 1 Tee Price $2 Size 1/16 10 2 Elbow~j 1 Pen BladderTee FOURMOST PRODUCTS 4040 24TH AVEFOREST GROVE OR 97116503 357 2732 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing $27500 stab canopy retractable landing gear plans. Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings $45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt. Information Package $100 /Mastercard accepted $15OOshipping Idaho ma add 5% aalastax Mike Zamber Classic Glass PO Box 503 Blacktoot Idaho 83221-0503 85-2309 October 1988 49 FUEL FITTING SETS Large Size 3/32 10 ug Classic Glass Grumman Wildcat 1/5 Scale Dan Parsons Albuquerque NM Martin-Baker MB-5 Dan markets some mar velousiy light fiberglass cloth used Giant Scaiers finish pianes thumbing through old model maga zines recently came across following Air Trails November 1943 Allison engine has 720 parts compared 2300 Merlin Isnt mind-boggling RC Giant Scale/de Vries Continued page 49 well retracts worked bird very stable Making pass down club field run way heard sharp crack ominous sound unbalanced engine Curtiss wouldnt answer controls assumed 150 nose-down attitude nothing Bob could watch Giant P-40 powder itself Post-mortems deter mined part multibladed flight prop given way resulting major vibration rendered servos powerless offending blade parted well outboard propeller hub lest conclude glue joint failed Brian OMearas propeller problems bit different cowl Thunderbolt came adrift slipped forward prop Pieces seen leaving model turned out hunks razor-backed Jugs windshield canopy surmised sliced off propeller fragments Skillful pilot OMeara did have some control over bird wasnt totally destroyed crash sound engine made indicated least part propeller still attached drive shaft both instances however results similar pair Giant Scale models de stroyed disintegrating propellers moral check props cowlings before flight Its cheap insurance have replace 10-buck prop Its less ex pensive check replace overstressed ag ing cowling mounting pads bolts Gosma have skip next months colnnm cause annual coverage Nats See again December issue advances setting first switch close activates motorbattery circuit some on-purpose resistance series lhis fractional-ohm resistor loosely wound coil nichrome wire seen photos happens motor gets soft start because smail additional resis tance limits otherwise very large current surge Shortly after closure second microswitch closes servo motion continues effectively bypasses resistor thus applying full battery voltage motor Similarly two switches open reverse der during shutdown now resistor con nected series braking switch contacts stop-current surge comparably minimized two-switch action happens quickiy transmitters throttle stick ad vanced retarded Im sure results Join Ole nAL ~~0 IMAA 1ff "nC/ ggO Far Membership Information ---Contact Robert A. Blaney o Secretary IMAA 14 Parkview Road Long Valley NJ USA 07953 -4 154 Model Aviation L OPS 18 xi engine quarter scale Contact us free engine test results 5~sPwPIeof CoI%*eta% 9m64 9uec $75-$l0Owhich good O&RRC Electrics/Kopski Continued page 51 r
Edition: Model Aviation - 1988/10
Page Numbers: 48, 49, 154
THE MAGIC WORD month dedica lion us undertakes build Gi ant Scale model big idea full itdedication plan kit hand embark project will never com pleted ittotal dedication may di verted task time time dedication will produce model flies un der radio control Admittedly being dedicated particular model takes lot time patience loot Ofttimes may sidetracked host reasonstoo enumerated through sheer grit us will see model through completion Take extreme case model designer intends kit effort starts out clean piece drafting paper pencil stack documentation desire produce com mercially viable model airplane bring project fruition will require dedica tion us can contemplate kit designer must decide ultimate scale size model calculate its probable fly ing weight engineer models structure choose appropriate power plant prepares drawings must assure parts model fit draftings fin ished must build test model verify plans accuracy test model models must flown test findings incorporated both drawings models Finally good flying model hand kit designer must go through machina tions will result box full compatible parts shelf hobby shop hands model builder Probably im portant consideration massive effort model built kit average model builder will duplicate looks performance designers teat models Its great good fortune meet such dedicated model designer/kit producer recently name Pat Corderman experience has positive inspiration four years ago Pat inspired Northrop Gam ma 1932 all-metal low-wing monoplane made famous several outstanding aviators era project seemed like valid since wasn t RC Gamma avallable either draw ings kit addition full-scale Northrop built several configurations attrac tive feature Scale model builders Singleor dual-tandem-cockpit arrangements park bench conventional ailerons radial- inline-engined versions prototype might logical variations basic kit Pat went Giant step further Early decided produce model completely fiber gloss would fuselage cowl landing gear pants molded material flying surfaces would also same material rather major problem facing Pathe didnt know diddicy-squat about fiberglass Most us know fiberglass kits include wings tail surfaces cut poly foam Pat felt lighter accurate fiber glass surfaces could engineered using resin glass-fabric casting' technique Although us have read articles model maga zines describing fiberglass construction tech mques have approached daunt ing task describing produce entire model So past four years Pat Corderman has teachg himself work fiberglass well has succeeded obvious just looking photograph completed North rop Gamma accompanies column give idea precision fiberglass work fit between fiberglass wing wing saddie precise no exhaust residue can creep between parts though no rubber foam sealing strips used models Pat chose Jack Cole test pilot proto type model Early test flights showed bird flew like homesick angelonce air borne major problem surface interference between wheels/tires wheel trousers first landing prototype model side loads wheels locked up resulting cartwheel Rebuilt re engineered sturdier internal landing gear strut system difficulty eliminated usual problems power plant/propeller choices course model 15 lb 96-in spantrue /6-scale uses 05 108 engine best prop turned out either 15 x 8 16 x 8 size provides plenty thrust well keeping engine cool behind dummy scale engine test model flying Pat added 48 Model Aviation Radio Cono Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado SprIngs CO 80915 Cordys Flying Circus has 96-in-span kit Northrop Gamma info column Bill Pixiers Piper L-4 Without doubt model flies realistic fashion other ever observed author de Vries just putt-putts along L-4 Army observation aircraft used WW II Its really just J-3 Cub windows Ron Comptons prize-winning 3rd place Rocky Mountain Scale Master Regionals Piper Pawnee crop duster Its good 01 boy pilot wears 10-gallon hat Ron Tye Pagosa Springs CO spent 5 years building 14-ft-span -scale Curtiss Jenny Quadra 80 provides power Scale prop has 33-in diameter flight prop 24 Rigging wires have 104 turnbuckles scale flaps work should well functioning landing lights latter adapted inexpensive K-Mart flashlights op erated own batteries run off ml croswitch applied Down side flap ser vos fiberglass castings Gamma model clude raised paneling prototype Scale rivets precise blobs glue must added builder duplicate round-headed riv ets real bird Pat chose duplicate Frank Hawks Texaco Sky Chief version North rop conventional ailerons scale park bench aileron versions proved too prone flutter Thus kit includes colorful red white black green pinstripe stick-on de cals duplicate Hawks coast-to-coast recordsetter case youre interested getting fine kits yourself can write call Pat Cordys Flying Circus 1502 N Prospect Col orado Springs CO 80907 phone 719 4737195 kit $300-plus range Still subject dedicationhave seen what LF Doc Pepino has designed Young Dec has produced set drawings Supermarine 56B Schneider Trophy-winning seaplane thatll take breath away can produce either 100% Scale bird 90-in-span Sport Scale floater thats truly awesome six large sheets drawing set Dec can provide accompanying photo packs featuring full-scale airplane displayed Science Museum London Eng land color black-and-white Folded sent parcel post drawings $57 rolled mailed Priority price $60from Scale Plans & Photo Service 3209 Madison Ave Greensboro NC 27403 makes wish suitable bunch water locallyfor RC flying Giant Scale water-planes sound like lot fun seems rash propeller-related ac cidents amongst us Giant Scalers Bob McLeods great Curtiss P-40 pictured last months col umn victim just such situation Brian OMearas Scale Master P-47 Bobs case initial test flight going very Continued page 154 ion 1 1 Elbow Price $250 Fourmost Fuel Fitting Sets molded fuel proof polyethylene Small 1 Tee Price $2 Size 1/16 10 2 Elbow~j 1 Pen BladderTee FOURMOST PRODUCTS 4040 24TH AVEFOREST GROVE OR 97116503 357 2732 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing $27500 stab canopy retractable landing gear plans. Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings $45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt. Information Package $100 /Mastercard accepted $15OOshipping Idaho ma add 5% aalastax Mike Zamber Classic Glass PO Box 503 Blacktoot Idaho 83221-0503 85-2309 October 1988 49 FUEL FITTING SETS Large Size 3/32 10 ug Classic Glass Grumman Wildcat 1/5 Scale Dan Parsons Albuquerque NM Martin-Baker MB-5 Dan markets some mar velousiy light fiberglass cloth used Giant Scaiers finish pianes thumbing through old model maga zines recently came across following Air Trails November 1943 Allison engine has 720 parts compared 2300 Merlin Isnt mind-boggling RC Giant Scale/de Vries Continued page 49 well retracts worked bird very stable Making pass down club field run way heard sharp crack ominous sound unbalanced engine Curtiss wouldnt answer controls assumed 150 nose-down attitude nothing Bob could watch Giant P-40 powder itself Post-mortems deter mined part multibladed flight prop given way resulting major vibration rendered servos powerless offending blade parted well outboard propeller hub lest conclude glue joint failed Brian OMearas propeller problems bit different cowl Thunderbolt came adrift slipped forward prop Pieces seen leaving model turned out hunks razor-backed Jugs windshield canopy surmised sliced off propeller fragments Skillful pilot OMeara did have some control over bird wasnt totally destroyed crash sound engine made indicated least part propeller still attached drive shaft both instances however results similar pair Giant Scale models de stroyed disintegrating propellers moral check props cowlings before flight Its cheap insurance have replace 10-buck prop Its less ex pensive check replace overstressed ag ing cowling mounting pads bolts Gosma have skip next months colnnm cause annual coverage Nats See again December issue advances setting first switch close activates motorbattery circuit some on-purpose resistance series lhis fractional-ohm resistor loosely wound coil nichrome wire seen photos happens motor gets soft start because smail additional resis tance limits otherwise very large current surge Shortly after closure second microswitch closes servo motion continues effectively bypasses resistor thus applying full battery voltage motor Similarly two switches open reverse der during shutdown now resistor con nected series braking switch contacts stop-current surge comparably minimized two-switch action happens quickiy transmitters throttle stick ad vanced retarded Im sure results Join Ole nAL ~~0 IMAA 1ff "nC/ ggO Far Membership Information ---Contact Robert A. Blaney o Secretary IMAA 14 Parkview Road Long Valley NJ USA 07953 -4 154 Model Aviation L OPS 18 xi engine quarter scale Contact us free engine test results 5~sPwPIeof CoI%*eta% 9m64 9uec $75-$l0Owhich good O&RRC Electrics/Kopski Continued page 51 r
