FREE FLIGHT OLD-TIMERS THIS MONTH ID LIKE continue discussion July issue modifications make Korda Wakefield other models era practical long-lasting Last month fuselage modifications dethermalizers covered designs although Korda could benefit moving rear rubber-attachment point forward Some plans show point somewhere below stabilizer far back trailing edge case move forward few bays like Korda Less ballast will needed achieve flyable center gravity will also lower total weight Replace rubber-retaining dowel aluminum tube wire can passed through hold model securely winding like old flying buddy George Perryman never use winding tube mechanical stooge method still helpful Music wire least 1/8 passed through rear peg human stooge read victim can hold model securely less risk damage Put doubler inside fuselage sheet fill balsa does compress will keep peg fit getting sloppy Thin plywood 2 about size nickel will one-inch-square piece balsa installed cross-grain sheet fill will also work Moving forward wing mount Add triangles rectangles fuselage provide mounts rubber-band dowels None shown older plans because common practice loop rubber strip over top wing under lower longerons hold wing insist doing way will break lot longerons just like did old days reminds story heard about Cole Palen late WW air show maestro very elderly former-WW Fokker pilot brought great-grandchildren see Coles show sights sounds show brought nostalgic tears elderly gentlemans eyes Cole asked him what did about groundlooping tendencies airplanes flew old days Well old gentlemen said Ve lot accidents Back model check see nose block opening wide enough accept winding tube Kordas some like Lanzos 1940 Stick need widened bit accept one-inch winding tube An alternative hard-wall tube flexible plastic tube used keep golf clubs separated tubes larger oneinch thin-wall PVC pipe use will still squeeze okay might also give some thought making landing gear removable simplifies storage transportation takes modifying landing gear sandwich wire can slipped out can held piece balsa sheet spot-glued Ambroid Doped tissue can also used way put 50 models pair socks car SAM Champs landing gear wont poke holes wings might also have room two pairs socks nose block laminate pieces -inch sheet alternating grain direction 900 between layers Make plywood bit front bearing push against Balsa will compress dont want Youll want bit plywood rear well needed screw stops folding propellers rotation end run screw takes lot abuse will quickly dislodged nose block too soft cross-grained backed plywood Its force nearly exhausted rubber causes its momentum propeller freewheels before folding Near end run propeller still turning fast enough pull model Its gliding propeller rotation airspeed motor will hit stop hard ground can see models glide improves after fold because turning propeller isnt pulling its holding model back fold eliminates drag Turning stop screw out will also help will preserve some last few winds allowing model start gliding before propeller freewheels creates drag will also help hold nose plug nose block bearing like first glue /32 ID brass tubing Inside insert /16 ID brass tubing September 1995 101 Noseblock made laminatedbrass plates ly balsa sheetbound woodscrew withglued hub 1/ steel wire brass washers plywoodboth sides Teflon washer ball bearing Simplified shaft design easier make replace See text details brass bearing through noseblock Use winding hook Single-bladed propeller counterweight attached Brass After assembly shaft hole drilled prop blade plates bound front back hub carpet thread separated hub razor saw NewEl Mini Sukhol SU-26 Designed Nick Ziroti seen January 1994 Model Airplane News! vvIII opdII Wing Area q Length . 24 ...049-099 2-4 Channel Mini Radio Reqd Intro prio..SRSSS CRegular S39SS 0Blade England 6OSize11999 40-46 Size7499 30 Size..6999 Dealer Inquiries Invited! Shipping $600 per Kit Blade Order HOKEY HANGAR 1862 Petersburg Rd Hebron KY 41048 606334-4330 606334-4333 FAX Prices Subject change Any Time 102 Model Aviation d its oiled turn freely Y16 steel propeller shaft turns middle tube middle tube turns freely outer housing shaft distorts during run binds middle tube its unlikely middle tube will distort enough bind outer tube High-tech modern Wakefields use ball bearings nose block used take lateral loads shaft used load motor against nose block recommend gluing bits brass front back nose block bearing method shown plansit obviously works dont trust its reliability used last Korda Wakefield made about ten years before sold doubt Korda kept long made propellers just like plans suggested block layout litfie complex borrowed bandsaw cut two blanks prefer cut Old-Timer propeller blanks hub part blank carve blades add hinges cut hub loose blade can done adding blades hub hinges think harder plan shows brass plates bound glued hub think good idea way steel shaft doesnt distort hole huh hub isnt compressed crushed force wound rubber prefer place tensioner spring behind propeller rather front shown Korda plans main reason cannot bend shaft like shown Im also suspicious shaftmovement reliability must travel through propeller hub tensioner action prefer movement occur through nose block instead through hub make simple square U shape front shaft end inserted hole hub shape can used winding hook similar shape can used other end shaft engage stop screw system can replace entire shaft field well remove clean bearings solder hinge bearing brass hub backing use Stay-Brite another hard solder silver content strength think plan shows wrong angle hinge shows single-plane angle compound angle like Jim OReilly have shown recent columns get nice fold two things Add compound angle ignore make hinges 900 hub nice things about single bladed props will fold against fuselage side stop screw right place Put nose block fold blade flat against fuselage will determine location stop screw ACCULAB ELECTRONIC DIGITAL SCALES Fourteen brand new high-tech models available weigh both grams ounces Graduations 2 ounces 001 grams Ca pacities 1/2 110 lbs have tare operate AC bat teries Most include AC adaptor Ten models under $300 under $100 Send #10 SASE $1 scale brochures MC/Visa Champion Model Products 880 Carmen Ct Unit La Verne CA 91750 srriy call 909 599-3348
Edition: Model Aviation - 1995/09
Page Numbers: 101, 102
FREE FLIGHT OLD-TIMERS THIS MONTH ID LIKE continue discussion July issue modifications make Korda Wakefield other models era practical long-lasting Last month fuselage modifications dethermalizers covered designs although Korda could benefit moving rear rubber-attachment point forward Some plans show point somewhere below stabilizer far back trailing edge case move forward few bays like Korda Less ballast will needed achieve flyable center gravity will also lower total weight Replace rubber-retaining dowel aluminum tube wire can passed through hold model securely winding like old flying buddy George Perryman never use winding tube mechanical stooge method still helpful Music wire least 1/8 passed through rear peg human stooge read victim can hold model securely less risk damage Put doubler inside fuselage sheet fill balsa does compress will keep peg fit getting sloppy Thin plywood 2 about size nickel will one-inch-square piece balsa installed cross-grain sheet fill will also work Moving forward wing mount Add triangles rectangles fuselage provide mounts rubber-band dowels None shown older plans because common practice loop rubber strip over top wing under lower longerons hold wing insist doing way will break lot longerons just like did old days reminds story heard about Cole Palen late WW air show maestro very elderly former-WW Fokker pilot brought great-grandchildren see Coles show sights sounds show brought nostalgic tears elderly gentlemans eyes Cole asked him what did about groundlooping tendencies airplanes flew old days Well old gentlemen said Ve lot accidents Back model check see nose block opening wide enough accept winding tube Kordas some like Lanzos 1940 Stick need widened bit accept one-inch winding tube An alternative hard-wall tube flexible plastic tube used keep golf clubs separated tubes larger oneinch thin-wall PVC pipe use will still squeeze okay might also give some thought making landing gear removable simplifies storage transportation takes modifying landing gear sandwich wire can slipped out can held piece balsa sheet spot-glued Ambroid Doped tissue can also used way put 50 models pair socks car SAM Champs landing gear wont poke holes wings might also have room two pairs socks nose block laminate pieces -inch sheet alternating grain direction 900 between layers Make plywood bit front bearing push against Balsa will compress dont want Youll want bit plywood rear well needed screw stops folding propellers rotation end run screw takes lot abuse will quickly dislodged nose block too soft cross-grained backed plywood Its force nearly exhausted rubber causes its momentum propeller freewheels before folding Near end run propeller still turning fast enough pull model Its gliding propeller rotation airspeed motor will hit stop hard ground can see models glide improves after fold because turning propeller isnt pulling its holding model back fold eliminates drag Turning stop screw out will also help will preserve some last few winds allowing model start gliding before propeller freewheels creates drag will also help hold nose plug nose block bearing like first glue /32 ID brass tubing Inside insert /16 ID brass tubing September 1995 101 Noseblock made laminatedbrass plates ly balsa sheetbound woodscrew withglued hub 1/ steel wire brass washers plywoodboth sides Teflon washer ball bearing Simplified shaft design easier make replace See text details brass bearing through noseblock Use winding hook Single-bladed propeller counterweight attached Brass After assembly shaft hole drilled prop blade plates bound front back hub carpet thread separated hub razor saw NewEl Mini Sukhol SU-26 Designed Nick Ziroti seen January 1994 Model Airplane News! vvIII opdII Wing Area q Length . 24 ...049-099 2-4 Channel Mini Radio Reqd Intro prio..SRSSS CRegular S39SS 0Blade England 6OSize11999 40-46 Size7499 30 Size..6999 Dealer Inquiries Invited! Shipping $600 per Kit Blade Order HOKEY HANGAR 1862 Petersburg Rd Hebron KY 41048 606334-4330 606334-4333 FAX Prices Subject change Any Time 102 Model Aviation d its oiled turn freely Y16 steel propeller shaft turns middle tube middle tube turns freely outer housing shaft distorts during run binds middle tube its unlikely middle tube will distort enough bind outer tube High-tech modern Wakefields use ball bearings nose block used take lateral loads shaft used load motor against nose block recommend gluing bits brass front back nose block bearing method shown plansit obviously works dont trust its reliability used last Korda Wakefield made about ten years before sold doubt Korda kept long made propellers just like plans suggested block layout litfie complex borrowed bandsaw cut two blanks prefer cut Old-Timer propeller blanks hub part blank carve blades add hinges cut hub loose blade can done adding blades hub hinges think harder plan shows brass plates bound glued hub think good idea way steel shaft doesnt distort hole huh hub isnt compressed crushed force wound rubber prefer place tensioner spring behind propeller rather front shown Korda plans main reason cannot bend shaft like shown Im also suspicious shaftmovement reliability must travel through propeller hub tensioner action prefer movement occur through nose block instead through hub make simple square U shape front shaft end inserted hole hub shape can used winding hook similar shape can used other end shaft engage stop screw system can replace entire shaft field well remove clean bearings solder hinge bearing brass hub backing use Stay-Brite another hard solder silver content strength think plan shows wrong angle hinge shows single-plane angle compound angle like Jim OReilly have shown recent columns get nice fold two things Add compound angle ignore make hinges 900 hub nice things about single bladed props will fold against fuselage side stop screw right place Put nose block fold blade flat against fuselage will determine location stop screw ACCULAB ELECTRONIC DIGITAL SCALES Fourteen brand new high-tech models available weigh both grams ounces Graduations 2 ounces 001 grams Ca pacities 1/2 110 lbs have tare operate AC bat teries Most include AC adaptor Ten models under $300 under $100 Send #10 SASE $1 scale brochures MC/Visa Champion Model Products 880 Carmen Ct Unit La Verne CA 91750 srriy call 909 599-3348