CONTROL LINE AEROBATICS Flying Tips Its said theres nothing new under sun hint has probably related somewhere before story started Nationals Nats site trying make some sense out what could loosely described pattern Generally rounds squares okay certain preciseness missing particularly bottoms slight climb overturn couldnt suppress Nothing tried whether center gravity adjustment handle adjustment proved very effective until decided check propeller pitch see changed hadnt some reason related bottoms decided go down increment pitch 4039 inches small adjustment immediately produced easy bottoms locked forgot about after Nats resurfaced flying session friend John Hill excellent flier whos working hard return competition 1998 some time having problems working out consistent bottoms John thought being lefty something guessing continued end last session remarked airplane didnt lay like Hed recently flown Nats model coincidence Nats props pitched 39 40 running PA-5 prop 12-inch three-blade Almost like magic bottoms were characteristics airplane such tracking positioning turn same prop different pitch Without getting technical probably way beyond anyhow heart situation load engine increased load causes react 40 pitch PA-5 1 sensing load control deflections producing power Because additional power and/or time duration additional power additional hop climb produced very subtle wouldn t necessarily recognized distinct problem experience problems Ive described might give try Im sure applicable power setups might work better higher pitch conventional 2-4-2 breaks Its worth try Construction Tips cant count number times Ive stressed accuracy critical good performance honest-flying airplane Most steps construction have assumptions could reevaluated Im going discuss couple could give ideas building techniques widely used fuselage-construction procedure use top edge crutch prime reference line against thrust flying surface reference lines measured fuselage sides must have top edge straight Youve cut/sanded edge both sides its right youre done Wrong best can assume straight did air humid edge will move Sitting around waiting wing installed will allow prime reference line bow next question provide construction procedure Throughout years Ive evolved sequence uses final assembly return fuselage desired straight line Since wing cutouts have accessed through cutouts bottom normally process cutting sides relieves stress assembled crutch can glued assembly surface/jig will get back good reference drop wing pocket use jig/table surface have leveled measure Spend much time necessary aligning leading trailing edge centerlines gives correct settings 00 should check root tip wing should lay fuselage its own weight settings induce stress procedure may take considerable time important alignment assembly sequence insert pieces removed place wing fuselage will lock April 1998 123 Bill Rich F2B Team Trials PA 51-powered Astra Bill Suarez Back competition latest Pattern Master design Bill flew extremely well Photo Glen Kaler variant Prussian Superb performer AT 60 power Kaler photo Tom Dixon Time Machinesoon kit Good-flying model has Double Star 60 light engine imports Kaler photo J & C HOBBIES Order Line 1-800-309-8514 Info Line 412-795-9344 24hr Fax Order line 412-798-9857 will customize Hitec cadio Focus 2 55 72mHz AM 6595 Focus 4 FM w/4 HS300** 12995 Focus 6 FM w/4 I-{S-422 16095 Flash 4 FM w13 HS-300 14295 Flash 5 FM w/4 HS422** 16695 Prism 7XF FM w/4 HS-422 21395 Prism7XS FM w/Spec se/4 HS422**28895 Prism 7X FM w/Spectra Tx only19295 ROC Supreme Ra w/crystal*5995 535 Micro Rx w/crystal**6195 HS-60 Super Micro 16 oz/in**3195 HS-80 Sub Micro 31 odin2595 HS-85 Mighty Micro 38 oz/in2995 HS-l0l Mini 24 az/in2195 HS-205 BB Super mini 43 oz/in**2595 HS-225 Super MIni 50 sc/in2995 HS-300 Super Sport 42 oz/in**995 HS300BB Ball Bearing Sport1195 HS-422 Pro-servo 43 oz/m1395 HS425 BB Pro w/dual bearings**1795 HS-525 BB Hi Speed 47 oz/in**3295 HS-545 BB Hi Torque 62 oz/in*3295 HS-605 BB Hi Torque 77 oz/in**3495 HS-615 MG Supr Torque lO7nc/io**4595 115-700 BB Giant Scale 133 oz**2895 115-715 BB Sail Arm Servo3495 HS-725 BB Sail Winch Servo4595 115-75 BB Retract 90 oz/in**3695 ** New Lower Prices CIRRUS SERVOS CS-20 Sub-Micro2299 CS-30 Pro Mini1999 CS-SO Standard Sport999 CS-60 BB Hi Torque1699 CS-60 MG Hi Torque metal gear2199 CS70 BB Standard Pro1499 CS-80 MG Super Torque2299 CS-90 BB Fast/Low Profile1799 OS-iCO BB Retract2499 CS-400 Giant Pro BB2199 OS-SQO Jumbo Pro Super Torque4499 AIRBORNE PACK SPECIALS Combos include RCD Supreme Receiver w/crystal switch harness & aileron ext #14 CS-6OBB Hi-Torque12995 #24 CS-6OMG Hi-Torque14995 #34 CS-SO Standard Sport15195 #44 CS-7OBB Pro11995 #52 CS-30 BB Mini10295 #62 CS-400 BB Giant Pro10595 J&C Sound Security1995 J&C Fun-Bat2495 call 6-Pack special Specials Lanier & Jack Seafford Kits FULL SERVICE HOBBY STORE Shipping & Handling . $500 Continental USA Most Orders Shipped 24 hrs J & C Hobbies Street Penn Hills PA 15235 Visa / Mastercard / Discover Accepted Prices Sabiect Change Withoot Notice Wing fuselage top wing centerline leveled table Another area aligned procedure engine mount Actually great part setup developed crutch construction takes place before previous assembly procedure Ive evolved cutting engine mounts firewall sections mounting plates assembling piece thick plate glass assure flatness package can take some errors cut engine mounts 1/3 x 3/ maple stock start dead-true pieces carefully selected ensure have some tank-adjustment capability notch rear mounts aft engine /s inch take saw cut very accurately check height along cut dial caliper sand true level assemble mounts plate glass firewalls 3/ balsa cross-grain structure either glued another plate /9 Lite Ply 1/ balsa bridges entire mount structure top front back Since Ive another opportunity induce errors check again dial calipers sand level engine/tank surfaces true crutch now rests top surface used reference Any errors taken out making other surfaces equal parallel engine mounting plate now epoxied mounts engine itself used clamp ensure solid mount everything level fuselage sides doublers place epoxied engine crutch As have followed two setups might wondering take much care trouble getting sequence prevent additive tolerance creating thrustline offsets unwanted incidence wing/tail Remember doesnt take much make potentially great airplane ordinary Have ever measured dial caliper micrometer different plywood/balsa sheets side-to-side end-for-end can vary producing unknown settings however small pays check New Items Ive reviewed video Bill Harding titled Instruction Control Line best tape Ive seen basic Control Line flying subject matter basic starting construction Sig Skyray proceeding required steps get safely air video progresses constructlon built-up wing 35-size verslon Bill Harding does broadcast videos living tape shows high quality has latest video technical features above does what intended doget beginner air need classroom work scout school club programs must Contact Harding Aero Products 4782 Unity Lane Rd New Waterford OH 44445 Tel Fax 330 457-1600 Bill has also released Brodak Control Line Fly features talk George Aldrich about model engines Tapes $1995 plus $3 shipping handling Ohio residents add $120 sales tax Tom Dixon has just released new catalog includes details imported Stunt engines has large plans selection has kits available has released two new ones first Time Machine follows trend 650 sq in-size airplanes ST 51 ST 60 57-inch span flies very well quick build either foam technique Tom promoting full-wood-wing option Foam wings can purchased additional charge short kits available foam core plans hardware second kit semiscale 35/40 profile Extra 300S 52-inch span 520 sq wing has aluminum gear wheel pants full hardware quickbuild wing concept available Prices being finalized column Tom says will $200 range Time Machine $90 range Extra 300S Contact Tom Dixon Box 671166 Marietta GA 30066 R JET CUT CARBON FIBER STRIPS Latest Technology No Sanding Necessary Smooth Edges Great Spar Caps Precision Cut Strips Foam Wing Reinforcement Bondable Surfaces Lowest Prices Li ttlThickl l/4s4t 12/pkgl S3l 5 3/ts4t 12 pkgl S350 CL2114Thidt1 1/4x4812/pkglS4tt 3/8x4812 pkgl S475 L3 l12T Thkkl l/4n4F 12/pkgl S5ll 3/8x4t 12 pkgl 1675 CL4 t31 Thickl I/4x48 12/pkgl 1600 3/tx48 12 PI S9ll Send SASE information additional sizes products Add $5 00 shipping handling Calif residacts add 825% tax Onerseasordersadd 15% OrderCODMC/ VISA send check money order Aerospace Composite Pricts 14211 IlIUTItI SAN tEANItO tA 94571 3522022 FAX 511 3521111 124 Model Aviation
Edition: Model Aviation - 1998/04
Page Numbers: 123, 124
Edition: Model Aviation - 1998/04
Page Numbers: 123, 124
CONTROL LINE AEROBATICS Flying Tips Its said theres nothing new under sun hint has probably related somewhere before story started Nationals Nats site trying make some sense out what could loosely described pattern Generally rounds squares okay certain preciseness missing particularly bottoms slight climb overturn couldnt suppress Nothing tried whether center gravity adjustment handle adjustment proved very effective until decided check propeller pitch see changed hadnt some reason related bottoms decided go down increment pitch 4039 inches small adjustment immediately produced easy bottoms locked forgot about after Nats resurfaced flying session friend John Hill excellent flier whos working hard return competition 1998 some time having problems working out consistent bottoms John thought being lefty something guessing continued end last session remarked airplane didnt lay like Hed recently flown Nats model coincidence Nats props pitched 39 40 running PA-5 prop 12-inch three-blade Almost like magic bottoms were characteristics airplane such tracking positioning turn same prop different pitch Without getting technical probably way beyond anyhow heart situation load engine increased load causes react 40 pitch PA-5 1 sensing load control deflections producing power Because additional power and/or time duration additional power additional hop climb produced very subtle wouldn t necessarily recognized distinct problem experience problems Ive described might give try Im sure applicable power setups might work better higher pitch conventional 2-4-2 breaks Its worth try Construction Tips cant count number times Ive stressed accuracy critical good performance honest-flying airplane Most steps construction have assumptions could reevaluated Im going discuss couple could give ideas building techniques widely used fuselage-construction procedure use top edge crutch prime reference line against thrust flying surface reference lines measured fuselage sides must have top edge straight Youve cut/sanded edge both sides its right youre done Wrong best can assume straight did air humid edge will move Sitting around waiting wing installed will allow prime reference line bow next question provide construction procedure Throughout years Ive evolved sequence uses final assembly return fuselage desired straight line Since wing cutouts have accessed through cutouts bottom normally process cutting sides relieves stress assembled crutch can glued assembly surface/jig will get back good reference drop wing pocket use jig/table surface have leveled measure Spend much time necessary aligning leading trailing edge centerlines gives correct settings 00 should check root tip wing should lay fuselage its own weight settings induce stress procedure may take considerable time important alignment assembly sequence insert pieces removed place wing fuselage will lock April 1998 123 Bill Rich F2B Team Trials PA 51-powered Astra Bill Suarez Back competition latest Pattern Master design Bill flew extremely well Photo Glen Kaler variant Prussian Superb performer AT 60 power Kaler photo Tom Dixon Time Machinesoon kit Good-flying model has Double Star 60 light engine imports Kaler photo J & C HOBBIES Order Line 1-800-309-8514 Info Line 412-795-9344 24hr Fax Order line 412-798-9857 will customize Hitec cadio Focus 2 55 72mHz AM 6595 Focus 4 FM w/4 HS300** 12995 Focus 6 FM w/4 I-{S-422 16095 Flash 4 FM w13 HS-300 14295 Flash 5 FM w/4 HS422** 16695 Prism 7XF FM w/4 HS-422 21395 Prism7XS FM w/Spec se/4 HS422**28895 Prism 7X FM w/Spectra Tx only19295 ROC Supreme Ra w/crystal*5995 535 Micro Rx w/crystal**6195 HS-60 Super Micro 16 oz/in**3195 HS-80 Sub Micro 31 odin2595 HS-85 Mighty Micro 38 oz/in2995 HS-l0l Mini 24 az/in2195 HS-205 BB Super mini 43 oz/in**2595 HS-225 Super MIni 50 sc/in2995 HS-300 Super Sport 42 oz/in**995 HS300BB Ball Bearing Sport1195 HS-422 Pro-servo 43 oz/m1395 HS425 BB Pro w/dual bearings**1795 HS-525 BB Hi Speed 47 oz/in**3295 HS-545 BB Hi Torque 62 oz/in*3295 HS-605 BB Hi Torque 77 oz/in**3495 HS-615 MG Supr Torque lO7nc/io**4595 115-700 BB Giant Scale 133 oz**2895 115-715 BB Sail Arm Servo3495 HS-725 BB Sail Winch Servo4595 115-75 BB Retract 90 oz/in**3695 ** New Lower Prices CIRRUS SERVOS CS-20 Sub-Micro2299 CS-30 Pro Mini1999 CS-SO Standard Sport999 CS-60 BB Hi Torque1699 CS-60 MG Hi Torque metal gear2199 CS70 BB Standard Pro1499 CS-80 MG Super Torque2299 CS-90 BB Fast/Low Profile1799 OS-iCO BB Retract2499 CS-400 Giant Pro BB2199 OS-SQO Jumbo Pro Super Torque4499 AIRBORNE PACK SPECIALS Combos include RCD Supreme Receiver w/crystal switch harness & aileron ext #14 CS-6OBB Hi-Torque12995 #24 CS-6OMG Hi-Torque14995 #34 CS-SO Standard Sport15195 #44 CS-7OBB Pro11995 #52 CS-30 BB Mini10295 #62 CS-400 BB Giant Pro10595 J&C Sound Security1995 J&C Fun-Bat2495 call 6-Pack special Specials Lanier & Jack Seafford Kits FULL SERVICE HOBBY STORE Shipping & Handling . $500 Continental USA Most Orders Shipped 24 hrs J & C Hobbies Street Penn Hills PA 15235 Visa / Mastercard / Discover Accepted Prices Sabiect Change Withoot Notice Wing fuselage top wing centerline leveled table Another area aligned procedure engine mount Actually great part setup developed crutch construction takes place before previous assembly procedure Ive evolved cutting engine mounts firewall sections mounting plates assembling piece thick plate glass assure flatness package can take some errors cut engine mounts 1/3 x 3/ maple stock start dead-true pieces carefully selected ensure have some tank-adjustment capability notch rear mounts aft engine /s inch take saw cut very accurately check height along cut dial caliper sand true level assemble mounts plate glass firewalls 3/ balsa cross-grain structure either glued another plate /9 Lite Ply 1/ balsa bridges entire mount structure top front back Since Ive another opportunity induce errors check again dial calipers sand level engine/tank surfaces true crutch now rests top surface used reference Any errors taken out making other surfaces equal parallel engine mounting plate now epoxied mounts engine itself used clamp ensure solid mount everything level fuselage sides doublers place epoxied engine crutch As have followed two setups might wondering take much care trouble getting sequence prevent additive tolerance creating thrustline offsets unwanted incidence wing/tail Remember doesnt take much make potentially great airplane ordinary Have ever measured dial caliper micrometer different plywood/balsa sheets side-to-side end-for-end can vary producing unknown settings however small pays check New Items Ive reviewed video Bill Harding titled Instruction Control Line best tape Ive seen basic Control Line flying subject matter basic starting construction Sig Skyray proceeding required steps get safely air video progresses constructlon built-up wing 35-size verslon Bill Harding does broadcast videos living tape shows high quality has latest video technical features above does what intended doget beginner air need classroom work scout school club programs must Contact Harding Aero Products 4782 Unity Lane Rd New Waterford OH 44445 Tel Fax 330 457-1600 Bill has also released Brodak Control Line Fly features talk George Aldrich about model engines Tapes $1995 plus $3 shipping handling Ohio residents add $120 sales tax Tom Dixon has just released new catalog includes details imported Stunt engines has large plans selection has kits available has released two new ones first Time Machine follows trend 650 sq in-size airplanes ST 51 ST 60 57-inch span flies very well quick build either foam technique Tom promoting full-wood-wing option Foam wings can purchased additional charge short kits available foam core plans hardware second kit semiscale 35/40 profile Extra 300S 52-inch span 520 sq wing has aluminum gear wheel pants full hardware quickbuild wing concept available Prices being finalized column Tom says will $200 range Time Machine $90 range Extra 300S Contact Tom Dixon Box 671166 Marietta GA 30066 R JET CUT CARBON FIBER STRIPS Latest Technology No Sanding Necessary Smooth Edges Great Spar Caps Precision Cut Strips Foam Wing Reinforcement Bondable Surfaces Lowest Prices Li ttlThickl l/4s4t 12/pkgl S3l 5 3/ts4t 12 pkgl S350 CL2114Thidt1 1/4x4812/pkglS4tt 3/8x4812 pkgl S475 L3 l12T Thkkl l/4n4F 12/pkgl S5ll 3/8x4t 12 pkgl 1675 CL4 t31 Thickl I/4x48 12/pkgl 1600 3/tx48 12 PI S9ll Send SASE information additional sizes products Add $5 00 shipping handling Calif residacts add 825% tax Onerseasordersadd 15% OrderCODMC/ VISA send check money order Aerospace Composite Pricts 14211 IlIUTItI SAN tEANItO tA 94571 3522022 FAX 511 3521111 124 Model Aviation
