37" Dyke Delta: A Scale Flying Wing for Rubber Power

Scat 7t jw& aUe PGW U Ken Johnson y introduction aircraftsince very light condenser-paperbecause no separate fuselage Much Burbankcovered lacked penetration neededof airplane built modelers California Indoor modelersfor outdoor use son Chris also built thishands think being easier because about 1984 Barnaby Wainfanairplane good resultsyou dont have build separate stabilizer known unusual model r decided try Dyke anotheror fuselage subjects often came thesize built 22-inch model also g guy likes build mwith flying-wing models Onefashioned eight-inch size Johnsizes particular airplane test new model thatMartins Pistachio Proxy contest held inbest decided try Dyke a replica homebuilt calledFlorida Both models flew well although thebigger model Dyke constructed borrowed plan andeight-inch version flew bit fast my37 inches span flying-wing contest drew up style building Indoorlikingheld year California have flew very little trim adjustment gn unique because theflown four seasons having rebuilt model quite light won contest indouble-delta wing shape felt theseveral times after untimely crashes its flying-wing Scaleforward area wing acts stabilizerflying better ever has won flew Dyke times after thathence lifting surface efficientrubber-powered category aboveboth indoors out flew better insideThe construction model differentmentioned contest last three years 128 Model Aviation s has also built placed Northrop niest authors two 37-inch Dyke Deltas Newer version left weighs 100 grams rubber ic Design Carla Kunz Scale supporting photos may obtained full-scale Dyke area checking early issues Air Progress articles first 37-inch model white like original newest yellow blue trim design good stable subject free flight radio control whatever size choose build CONSTRUCTION As Sandy Peck Peck-Polymers said Its mostly sticks lot formercutting sticks mentioned mostly 3A2 square balsa recommend building airplane landing gear retracted position since launch another plat speed suppose moon balsa purpose cement airplane scraped time Begin construc outlines will building mall half belly nodel will get top-view plan tedium-hard balsa model first Pinhole through plan onto sheet art board get wing rib template shape #2 rib make template shape used since ribs can cut curve #1 rib same shape straight piece flyingbalsa patched front After pinholing art board cut along holes large pair scissors correct curve Sand curve line medium-grade sanding block smooth clean now ready cut sliced ribs prefer over solid ribs since much lighter havent built model solid ribs years rubber-powered model fly well must built light possible Place template over sheet medium 3A2 balsa four-inch width possible make slow cut wood along edge template Dont uy cut way through December 1995 129 Carl Hatrak left longtime flyingWiflg conte author first place 1994 ~t85t Taft C completed framewC internal braces add con wood first cut passes small XA rib ribs should section Make few moz required will h break attaching favorite cement Attach ribs edge ewh winbUtdO spat yet accurate Si fusetage f build flat cement fuse Tl after sid e muSt achedt oeafl U gan usel efiilly ryfrag1ie rnandpI1 wing bottom farmers positiOfl lower wing ribs ready positioned FF F nted prop figure-4 ndhUb members rib 2 ight ate cut squate atea Tan II --7 jj RIGHT WING - R-O N-S -- N-A 00000000000000000000 0000000000000000 0005000000000 000 NOSE BLOCK000000000000000 PROP ILoOoODOQo 00000IllN___ IAIR SCOOP DETAIL/ll\\\ \\ ENGINE DETAIL 00 I0N TOP 0000N0___ x000000 NOSE GEAR SOPPORT / N 00 SIDE VIEW00T0 000N PROP CARVING DETAIL EGOELAGE_SECTION 0000 0 000000 0000 00000000 0 oooo 00 no o 0 0 000 000 000 000 0I 0000000000000000000 000000fl0 BROEL AVOOVIGN DYKE DELTA -JD-2 0000000000000000000200 Bo0V00 000000000000000 00000 RN 0 CD 0 CD 0 CD CD CD J1 -a 1 0 -o 0 j 0 0 V 0 0 APPLIED DESIGN CORPORATION PO Box 3384 Tnrrance CA 90610 SANDER MINI-STRIPS PRECISION DIE-CUT Medium Garnet SREPlACEMENTFine Garnet AND EFFORT $220 SANDING BELTSAssId Water Preel TEE ALUMINUM EXTRUSION paper SANDING BLOCK tar use mm BUFF-STUFF V Hendyte Use 22IecIe $475 RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SF CIAL SANDING SHAMS Easy Use muay gbae er drying tene MedlumFIae Super FIne$ ~sAw $1095 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw baa rugged die-cast tram mm ceenlertable chip-preet plastic sert handle Receding atable B blade gives geed werb access Eats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$225 necessary strengthen bottom area nose front wheel attaches fuselage Cut length 3A2 x nt inside center stringer Put triangle gussets shown 3A2 square braces area Now ready glue landing gear supports Using lot wire gear smaller rubber models unnecessary two main wheel struts model 1/16 round bamboo buy local supermarket barbecue skewers work great modeling applications small piece 030 music wire bent shape wrapped cemented bamboo wheels axle area bamboo attaches wing spar cemented 5-minute epoxy Note two rear landing gear supports angled slightly forward bottom nose wheel support made same bamboo angled toward front model under-the-nose air scoop made o balsa exhaust pipes 3/t6 square balsa sanded round 030 music wire bent shape attached wrapping thread cemented balsa wheels turned out Dremel Moto-Tool standard corded Dremel found turn too fast 28000 rpm make wheels properly After some searching came across cordless rechargeable Dremel called Mini-Mite has speeds 5000 10000 rpm works much better Editors note speed controls variable-speed Dremel tools also available Small circles drawn card stock cut out wheel hubs tire part presprayed black auto primer center paper disc painted match model colors Note nose wheel inch smaller diameter back wheels 3A2 square fuselage bracing sticks internal Refer construction photos see located course crossmembers way rubber motor must removed after structure built up front fuselage sheeted /16 soft balsa top bottom fin 3A2 sq balsa using gussets needed elevons built separately attached before model covered Note elevons cut glued match angle rear wing Dont forget make instrument panel cement position fuselage Since cabin aircraft flat plastic necessary form type bubble canopy Thats good news aware small length 1/32 x 1/g x 1 bamboo cemented vertically root wing side represents long hinge sticks up out wing An interesting point about Dyke Delta its wings fold across top fuselage airplane can made nan7ow airplane towed home airport behind pilots automobile above-mentioned hinges support wing its folded position FIRMLY HOL FOR EASIER Padded flats curves Handy Held EasytaUse$310 Add 20% postage Send 50C catalog model covered yellow Japanese tissue trim stripes numbers blue Japanese tissue windshield side windows attached after model covered windshield area wood colored yellow marker before covering thin plastic windshield material Fletchtite arrow cement made attach plastic vanes aluminum arrow shaftsfrom local archery supply store indoor range works well attach windshield noseblock cut 3/ sheet balsa air scoops block hollowed out Dremel using small round ball-end bit /8 sheet block cemented rear noseblock small platform cemented around sides top platform insure noseblock does fall out front model propeller carved medium hard balsa block measuring 11 x 2 x 1 After prop carved sanded balanced spray coat auto gray primer Sand lighfly spray coat silver paint balsa spinner turned Dremel tool using sandpaper Notch out back spinner pass over prop hub slice down middle cut groove accommodate prop shaft Cement spinner over prop hub making sure shaft has free travel inside spinner front spinner should come up end brass tubing Flying Make up four-strand two loops rubber motor 2 about 22 inches long center gravity should about leading edge wing changes angles 8 inches rear noseblock Put few winds rubber launch model over tall grass dives lift rear elevons slighfly cement stalls drop elevons same amount model cruising rather straight line add turns rubber until models climbs nicely Remember launch holding position around front gear supports up under front fuselage Make sure noseblock snug fit small amount downthrust may needed perhaps A2 /i6 shim behind noseblock Launch directly wind slightly right nose model elevated slightly Good luck hope Dyke flies nicely article dedicated Carl Hatrak contest director flying wing contest held year California 1995 29th consecutive year Carl has directed meet has times funded trophies himself contest originally sponsored Northrop Aviation publisher William Northrop now Southern California Ignition Flyers SCIF Proxy entries accepted interested Ken Johnson 16728 Bennuda St Gramda Hills CA 91344 -A- BitTM NEW FREEHAND ROUTING TOOL FOR ALL ROTARY HAND TOOLS Lets inlay windows doors hatches perfectly Adjustable width depth cut 3rabbet cut widths 1/32 1/16 1/8 Routs inside outside edges Self-cleaning action Cuts balsa hardwood plywood New accessories available Duplicator Pilot$250 Support Pilot$250 Carbid Router Bit$950 Slotting Cutter /s$800 Slotting Cutter /32$750 Depth Set Gauge$250 Wooden Stand$250 Spare Cutter$800 JDM PRODUCTS $2500 plus $150 S&H check MO Dealer inquiries invited Made USA US patent #5228489 543 Bedford Street Concord MA 01742 508-369-9212 December 1995 133 SEND THREE STAMPS $1 CASH NEW CATALOG Contains Helpful Hints HARRY B HIGLEY & SONS INC P 0 Box 532 GLENWOOD EL 60425

Scat 7t jw& aUe PGW U Ken Johnson y introduction aircraftsince very light condenser-paperbecause no separate fuselage Much Burbankcovered lacked penetration neededof airplane built modelers California Indoor modelersfor outdoor use son Chris also built thishands think being easier because about 1984 Barnaby Wainfanairplane good resultsyou dont have build separate stabilizer known unusual model r decided try Dyke anotheror fuselage subjects often came thesize built 22-inch model also g guy likes build mwith flying-wing models Onefashioned eight-inch size Johnsizes particular airplane test new model thatMartins Pistachio Proxy contest held inbest decided try Dyke a replica homebuilt calledFlorida Both models flew well although thebigger model Dyke constructed borrowed plan andeight-inch version flew bit fast my37 inches span flying-wing contest drew up style building Indoorlikingheld year California have flew very little trim adjustment gn unique because theflown four seasons having rebuilt model quite light won contest indouble-delta wing shape felt theseveral times after untimely crashes its flying-wing Scaleforward area wing acts stabilizerflying better ever has won flew Dyke times after thathence lifting surface efficientrubber-powered category aboveboth indoors out flew better insideThe construction model differentmentioned contest last three years 128 Model Aviation s has also built placed Northrop niest authors two 37-inch Dyke Deltas Newer version left weighs 100 grams rubber ic Design Carla Kunz Scale supporting photos may obtained full-scale Dyke area checking early issues Air Progress articles first 37-inch model white like original newest yellow blue trim design good stable subject free flight radio control whatever size choose build CONSTRUCTION As Sandy Peck Peck-Polymers said Its mostly sticks lot formercutting sticks mentioned mostly 3A2 square balsa recommend building airplane landing gear retracted position since launch another plat speed suppose moon balsa purpose cement airplane scraped time Begin construc outlines will building mall half belly nodel will get top-view plan tedium-hard balsa model first Pinhole through plan onto sheet art board get wing rib template shape #2 rib make template shape used since ribs can cut curve #1 rib same shape straight piece flyingbalsa patched front After pinholing art board cut along holes large pair scissors correct curve Sand curve line medium-grade sanding block smooth clean now ready cut sliced ribs prefer over solid ribs since much lighter havent built model solid ribs years rubber-powered model fly well must built light possible Place template over sheet medium 3A2 balsa four-inch width possible make slow cut wood along edge template Dont uy cut way through December 1995 129 Carl Hatrak left longtime flyingWiflg conte author first place 1994 ~t85t Taft C completed framewC internal braces add con wood first cut passes small XA rib ribs should section Make few moz required will h break attaching favorite cement Attach ribs edge ewh winbUtdO spat yet accurate Si fusetage f build flat cement fuse Tl after sid e muSt achedt oeafl U gan usel efiilly ryfrag1ie rnandpI1 wing bottom farmers positiOfl lower wing ribs ready positioned FF F nted prop figure-4 ndhUb members rib 2 ight ate cut squate atea Tan II --7 jj RIGHT WING - R-O N-S -- N-A 00000000000000000000 0000000000000000 0005000000000 000 NOSE BLOCK000000000000000 PROP ILoOoODOQo 00000IllN___ IAIR SCOOP DETAIL/ll\\\ \\ ENGINE DETAIL 00 I0N TOP 0000N0___ x000000 NOSE GEAR SOPPORT / N 00 SIDE VIEW00T0 000N PROP CARVING DETAIL EGOELAGE_SECTION 0000 0 000000 0000 00000000 0 oooo 00 no o 0 0 000 000 000 000 0I 0000000000000000000 000000fl0 BROEL AVOOVIGN DYKE DELTA -JD-2 0000000000000000000200 Bo0V00 000000000000000 00000 RN 0 CD 0 CD 0 CD CD CD J1 -a 1 0 -o 0 j 0 0 V 0 0 APPLIED DESIGN CORPORATION PO Box 3384 Tnrrance CA 90610 SANDER MINI-STRIPS PRECISION DIE-CUT Medium Garnet SREPlACEMENTFine Garnet AND EFFORT $220 SANDING BELTSAssId Water Preel TEE ALUMINUM EXTRUSION paper SANDING BLOCK tar use mm BUFF-STUFF V Hendyte Use 22IecIe $475 RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SF CIAL SANDING SHAMS Easy Use muay gbae er drying tene MedlumFIae Super FIne$ ~sAw $1095 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw baa rugged die-cast tram mm ceenlertable chip-preet plastic sert handle Receding atable B blade gives geed werb access Eats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$225 necessary strengthen bottom area nose front wheel attaches fuselage Cut length 3A2 x nt inside center stringer Put triangle gussets shown 3A2 square braces area Now ready glue landing gear supports Using lot wire gear smaller rubber models unnecessary two main wheel struts model 1/16 round bamboo buy local supermarket barbecue skewers work great modeling applications small piece 030 music wire bent shape wrapped cemented bamboo wheels axle area bamboo attaches wing spar cemented 5-minute epoxy Note two rear landing gear supports angled slightly forward bottom nose wheel support made same bamboo angled toward front model under-the-nose air scoop made o balsa exhaust pipes 3/t6 square balsa sanded round 030 music wire bent shape attached wrapping thread cemented balsa wheels turned out Dremel Moto-Tool standard corded Dremel found turn too fast 28000 rpm make wheels properly After some searching came across cordless rechargeable Dremel called Mini-Mite has speeds 5000 10000 rpm works much better Editors note speed controls variable-speed Dremel tools also available Small circles drawn card stock cut out wheel hubs tire part presprayed black auto primer center paper disc painted match model colors Note nose wheel inch smaller diameter back wheels 3A2 square fuselage bracing sticks internal Refer construction photos see located course crossmembers way rubber motor must removed after structure built up front fuselage sheeted /16 soft balsa top bottom fin 3A2 sq balsa using gussets needed elevons built separately attached before model covered Note elevons cut glued match angle rear wing Dont forget make instrument panel cement position fuselage Since cabin aircraft flat plastic necessary form type bubble canopy Thats good news aware small length 1/32 x 1/g x 1 bamboo cemented vertically root wing side represents long hinge sticks up out wing An interesting point about Dyke Delta its wings fold across top fuselage airplane can made nan7ow airplane towed home airport behind pilots automobile above-mentioned hinges support wing its folded position FIRMLY HOL FOR EASIER Padded flats curves Handy Held EasytaUse$310 Add 20% postage Send 50C catalog model covered yellow Japanese tissue trim stripes numbers blue Japanese tissue windshield side windows attached after model covered windshield area wood colored yellow marker before covering thin plastic windshield material Fletchtite arrow cement made attach plastic vanes aluminum arrow shaftsfrom local archery supply store indoor range works well attach windshield noseblock cut 3/ sheet balsa air scoops block hollowed out Dremel using small round ball-end bit /8 sheet block cemented rear noseblock small platform cemented around sides top platform insure noseblock does fall out front model propeller carved medium hard balsa block measuring 11 x 2 x 1 After prop carved sanded balanced spray coat auto gray primer Sand lighfly spray coat silver paint balsa spinner turned Dremel tool using sandpaper Notch out back spinner pass over prop hub slice down middle cut groove accommodate prop shaft Cement spinner over prop hub making sure shaft has free travel inside spinner front spinner should come up end brass tubing Flying Make up four-strand two loops rubber motor 2 about 22 inches long center gravity should about leading edge wing changes angles 8 inches rear noseblock Put few winds rubber launch model over tall grass dives lift rear elevons slighfly cement stalls drop elevons same amount model cruising rather straight line add turns rubber until models climbs nicely Remember launch holding position around front gear supports up under front fuselage Make sure noseblock snug fit small amount downthrust may needed perhaps A2 /i6 shim behind noseblock Launch directly wind slightly right nose model elevated slightly Good luck hope Dyke flies nicely article dedicated Carl Hatrak contest director flying wing contest held year California 1995 29th consecutive year Carl has directed meet has times funded trophies himself contest originally sponsored Northrop Aviation publisher William Northrop now Southern California Ignition Flyers SCIF Proxy entries accepted interested Ken Johnson 16728 Bennuda St Gramda Hills CA 91344 -A- BitTM NEW FREEHAND ROUTING TOOL FOR ALL ROTARY HAND TOOLS Lets inlay windows doors hatches perfectly Adjustable width depth cut 3rabbet cut widths 1/32 1/16 1/8 Routs inside outside edges Self-cleaning action Cuts balsa hardwood plywood New accessories available Duplicator Pilot$250 Support Pilot$250 Carbid Router Bit$950 Slotting Cutter /s$800 Slotting Cutter /32$750 Depth Set Gauge$250 Wooden Stand$250 Spare Cutter$800 JDM PRODUCTS $2500 plus $150 S&H check MO Dealer inquiries invited Made USA US patent #5228489 543 Bedford Street Concord MA 01742 508-369-9212 December 1995 133 SEND THREE STAMPS $1 CASH NEW CATALOG Contains Helpful Hints HARRY B HIGLEY & SONS INC P 0 Box 532 GLENWOOD EL 60425