Commodore

NO OCR TEXT THE COMMODORE introduced 1938 Scientific Model Airplane Company Ben Shereshaw design eyes very best Shereshaw pro lific designer turned out string classics Cavalier Nimbus Mercury Cloud Cruiser name few None however capture essence era elegance Commodorethe classic classics Originally kit offered two versions standard deluxe prices $695 $795 respectively difference being deluxe version contained pair 3-in pneu matic air wheels Inside box two plan sheets lumberyard strip wood printed sheets music wire ignition wire glue dope metal fittings miscellaneous other goodies Some its advertised features follows 1 Mono-strut landing gear Designed en sure against nose-overs roughest fields 2 Stressed withstand loads 12 times excess occurring severest crackups 3 Absence spiral dive tendencies 4 Flat glide low sinking speed 5 Trim tabs fine adjustments obvious conclusion unlikely event crash whatever airplanes way would come out short end stick Grandiose claims didnt begin TV Commodores market life relatively short replaced Mercury Speculation has its degree construction difficulty sales damperthe Mercury much simpler having box fuselage should happen run across set original Scientific Commodore plans reproduction youll quickly see fuselage structure overly involved some esthetic touches bit impractical Free Flight cRUTChSIIUWADS B OTRHBERG GD VRV2 BUTT CUT ANUCRE IN I/4 SO CA4 FRADf TO ACCEPT VBCRA I/B NIB WING RUBBER BANG ERYB 29ANCHORP15 ENGINE \1rTA 1PLATRBAR HO I/2 CORL MABE FRP I316 BALSA BLOCKP2 PU G/SO I4JSC WRIBPLAMBAG 3-V2 WAIBELS 0BROS 1938 airplane presented completely redesigned structurally retains shape original purists delight picking fly specks out pepper wouldnt change single stick original sacred design advised top cabin has widened slightly accommodate radio installation servicing wing center section has widened corresponding amount fit dihedral has reduced slightly Interest ingly enough specifications original plan call 72-in wingspan actual layout measures 71 As modified RC its still under-spec lends its authen ticity model Enya 29 weighs 4 lbs seems good combination Texaco competition power/economy com bination ample get well up thermal territory Commodores glide excellentit milks lift best sport flying thing ship strong enough aerobatics performs well Yet hands-off stability iotild ask Commodore has gret1ooksnnd performance match Construction Ahhuh greatly simplified 68 Model Aviation authors re-do Commodore has completely redesigned structureS original shapes retained cabin wing center section widened slightly radio access Fuselage built bythe crutch method wherebythe crutch built atopthe plan formers stringers planking etc added air lot guys like building way FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 lENT WINO ANHEOR HETNL LAHEING GEAR REXFDROENWNT EETAIL Fl 0/IA CY FR CPEMNG FOR OWIVAoN H OZ ROUND TAMO F yR PLY oo F9FF0111 F3 [ F4 AR VD LCRUTCHTOP VIEW _ _ FM SE V4S0/4 DOWELSTRNHERS316 9454___________________ TYP DlE 1/5 516 FF4 _____ ____________ FUSELAGESIDE __ VIEW______________________ 3/S GlEEVS FL FF41 57fl FlF R2 V4SFEET RUDDER IJ__ _____ ___________ ______ II _______ ________ _____________________ ___ _______ 5/S RH I/S SEET FOFF0 FF1 -FRI OS WHEEL FT FlF6 tOOlS TO FIREWALL1/5% I/C SYRINDERS ~WIR5/03 MUSIC HOE HEIJTO111 LACE LAIWARIG HEAR TO Y TO VS PLY MOCFT WITHJ7F 2 HEAVY ThREAD OWE HE EPOXY SCEGER - ho/K I/O SHE 0-Il/K FLEW POST 0 REDO beginners model moderately experi enced builder however will have no difficulty putting together will find really enjoyable construction project beauty finished airplane ample reward time invested Fuselage Begin building crutch bulkheads glued crutch can quickly see fuselage begin take shape sure install blind nuts firewall suit engine mount before gluing firewall onto crutch Note firewall mounted provide 30 downthrustbe sure install way other bulkheads mounted right angles crutch can easily checked using small drafting triangle home made template bulkheads properly place glue stabilizer platform F 14 Next glue top stringer place Splice bottom stringer together noting made 3/16 sq forward portion 14 x S rear portion Consult fuselage side view proper splice configuration dry glue bottom stringer place ieces form top cabin go next Glue proper notches bulkheads 3 4 5 glue completely dry apply glue notches bulkheads 6 7 bend both sticks simul taneously seating place Secure sticks place pins rubberbands until glue sets Add remaining stringers Youll note 3/16 sq stringers fit flush bulkheads tringers about 3/32-in above bulkheads done planking forward section fuselage will glue directly top 3/16 sq stringers added stiffness raised rear stringers will keep covering contacting bulkheads stringers place install landing gear assembly Use epoxy hererefer plans details Install t fuel tank platform provide required accommoda tions tank intend use prior planking Glue F 15 F 16 place install -in music wire wing dowelsusing epoxy Note dowels extend F4 Plank fuselage Install rear wing dowel after planking finished ready covering engine cowl made tack-gluing cowl block firewall after shaped flow smoothly fuselage Remove shaped block hollow about -in thickness An electric Moto Tool indispensible doing Next bolt engine mount onto firewall glue hollowed-out cowl February 1981 69 ALL BULKHEADS /5 SHEET IWLEGS OThERWIGE NOTED 0F3345C LAIU HEAR MaMT 1938 COMMODORE ORIGINAL DESIGN BEN SHERESI-IAW 938 STRUCTURE REDESIGN BOB OSLAN 978 TRACING BY JOE DEMARCO SF-FEET IOFD nri 1u11rrooore goon look top aide didnt say whether other views shot Taft Wherever looks like super place FF flying securely place Cut away part cowl necessary provide easy access engine engine mount Empennage vertical horizontal stabil izers pretty straightforward should need minimal explanation primary things observe accuracy shaping spars proper use shims building parts plan order assure maximum accuracy hinge alignment its good idea cut hinge slots spars prior construction Wing wing construction simple though bit unique center section designed facilitate easy accurate assembly three sections requires read follow instructions plan assure satis factory job important use rib-angle template gluing R-1 place angle R-1 must correct fit main center section spar properly As empennage proper shimming during construction needed assure accurate alignment Refer plans shim ming informationdimensions locations noted sure add shear webs main spar shown plan Omission shear webs will produce weak wing especially covered plastic film Covering Selection covering material left individual modeler structure designed sustain flight loads covered plastic film maximum strength silk-and-dope recom mended choose use silk dope also use plasticizer dope available area use non-taughtening dope latter should available airports private planes hangared Flying prototype took off its maiden flight about half-throttle maintained steady climb setting Rudder bit touchy easily corrected moving pushrod servo arm Elevator travel also reduced Final travel distances plus/minus 1 both rudder elevator Commodores clean lines make stall re covery quite good soif flare out landing three feet too high bottom doesnt dropout just keeps right flying course youre really determined can smash up anything Commodore will tolerate whole bunch mistakes before get too much trouble Dont surprised find Commodore being favorite airplanes wont see prettier sight sky Safe Flying No Accident 54 r4S3 V8 TyPGL 3/FE 5444 S 1/4 F/A 55 VA 5/8 STABIUZER 5/6 5/32 MUGC WIRE V32 PLYVA 5/8 VA WEST /45/8 SPAR Sr ELEVATOR 4 SO 3/16 SHIM /4SUSSET 3/16 SOOT SiB SIHEmAL ANGLE TEMPLATE 9HEDMAL 5ASES I/A PLY PJc - DEWEY HEILMAN 70 Model AviatiQn Authors Commodore Enya 29 came out 41/2 lbs make good combination Texaco competitions Its glide excellent will milk lift best Great fun flying FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 NEAR WEB MAIN SHAD WiTH I/B SlEET PROM RIB R3 TO RIO ye TIPICAL fr-rr-rr 3/4 RESPAR 3/163/16LEADING EOGE _____________5/3D3/B 1/16 AT ROOT RB RITAPERS TO 3/Ba9/IRAT RIB RI —__________I/IA 5/IA_______WI I/B VBa I/B 162 V4 1/4 SO_______ _______ SPAR11 RIR2R3RHPSR6RiRBR9RIORIIIIRO ICI IC RORIB K__ I/4a 3/H TAPERES-SEE ABOVE I/B___ 5/16 OHM LONG ENTIRE TRAUNG ESREASSIB3WN osoRIIVIE B R3 NOTE RIB PATTERN IC ON WINS LAYGIT RIO R9 RB Ri RB ALL RIBS I/B SHEET rr C IC I/B 3/BL1I7zn PAT CAREFUL ATTENTION TO IFBICATEO SAMS TO ASOLRE ACCURATE AUONWOIT WI-EN WING VECTTONS ARE JONED REAR RYWOSO DREONAL BRACE AND FRONT VB I/B SPARS ARE ADDED AFTER WINS RECTIONS HAVE BERN REO COVER TOP AND BOTTOM ER CENTER VECTION WITH/ VW GEET AD FINAL STEP ER WINS CONOT -S i2-345AWONEBOARS ''' SURFACE 1938 COMMODORE ORIGINAL DESIGN BEN SI-IERESHAW 938 STRUCTURE REDESIGN 808 OSLAN 1978 TRACING BY JOE DEMARCO SHEET 2 OF 2 RE \p 2K rz 77Z7ZLTJ FF TI II IIII pIII IIITI III r IIII :1:i~I1I III, I' CIIllI SI\\SI III IIII g fI February 198171

NO OCR TEXT THE COMMODORE introduced 1938 Scientific Model Airplane Company Ben Shereshaw design eyes very best Shereshaw pro lific designer turned out string classics Cavalier Nimbus Mercury Cloud Cruiser name few None however capture essence era elegance Commodorethe classic classics Originally kit offered two versions standard deluxe prices $695 $795 respectively difference being deluxe version contained pair 3-in pneu matic air wheels Inside box two plan sheets lumberyard strip wood printed sheets music wire ignition wire glue dope metal fittings miscellaneous other goodies Some its advertised features follows 1 Mono-strut landing gear Designed en sure against nose-overs roughest fields 2 Stressed withstand loads 12 times excess occurring severest crackups 3 Absence spiral dive tendencies 4 Flat glide low sinking speed 5 Trim tabs fine adjustments obvious conclusion unlikely event crash whatever airplanes way would come out short end stick Grandiose claims didnt begin TV Commodores market life relatively short replaced Mercury Speculation has its degree construction difficulty sales damperthe Mercury much simpler having box fuselage should happen run across set original Scientific Commodore plans reproduction youll quickly see fuselage structure overly involved some esthetic touches bit impractical Free Flight cRUTChSIIUWADS B OTRHBERG GD VRV2 BUTT CUT ANUCRE IN I/4 SO CA4 FRADf TO ACCEPT VBCRA I/B NIB WING RUBBER BANG ERYB 29ANCHORP15 ENGINE \1rTA 1PLATRBAR HO I/2 CORL MABE FRP I316 BALSA BLOCKP2 PU G/SO I4JSC WRIBPLAMBAG 3-V2 WAIBELS 0BROS 1938 airplane presented completely redesigned structurally retains shape original purists delight picking fly specks out pepper wouldnt change single stick original sacred design advised top cabin has widened slightly accommodate radio installation servicing wing center section has widened corresponding amount fit dihedral has reduced slightly Interest ingly enough specifications original plan call 72-in wingspan actual layout measures 71 As modified RC its still under-spec lends its authen ticity model Enya 29 weighs 4 lbs seems good combination Texaco competition power/economy com bination ample get well up thermal territory Commodores glide excellentit milks lift best sport flying thing ship strong enough aerobatics performs well Yet hands-off stability iotild ask Commodore has gret1ooksnnd performance match Construction Ahhuh greatly simplified 68 Model Aviation authors re-do Commodore has completely redesigned structureS original shapes retained cabin wing center section widened slightly radio access Fuselage built bythe crutch method wherebythe crutch built atopthe plan formers stringers planking etc added air lot guys like building way FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 lENT WINO ANHEOR HETNL LAHEING GEAR REXFDROENWNT EETAIL Fl 0/IA CY FR CPEMNG FOR OWIVAoN H OZ ROUND TAMO F yR PLY oo F9FF0111 F3 [ F4 AR VD LCRUTCHTOP VIEW _ _ FM SE V4S0/4 DOWELSTRNHERS316 9454___________________ TYP DlE 1/5 516 FF4 _____ ____________ FUSELAGESIDE __ VIEW______________________ 3/S GlEEVS FL FF41 57fl FlF R2 V4SFEET RUDDER IJ__ _____ ___________ ______ II _______ ________ _____________________ ___ _______ 5/S RH I/S SEET FOFF0 FF1 -FRI OS WHEEL FT FlF6 tOOlS TO FIREWALL1/5% I/C SYRINDERS ~WIR5/03 MUSIC HOE HEIJTO111 LACE LAIWARIG HEAR TO Y TO VS PLY MOCFT WITHJ7F 2 HEAVY ThREAD OWE HE EPOXY SCEGER - ho/K I/O SHE 0-Il/K FLEW POST 0 REDO beginners model moderately experi enced builder however will have no difficulty putting together will find really enjoyable construction project beauty finished airplane ample reward time invested Fuselage Begin building crutch bulkheads glued crutch can quickly see fuselage begin take shape sure install blind nuts firewall suit engine mount before gluing firewall onto crutch Note firewall mounted provide 30 downthrustbe sure install way other bulkheads mounted right angles crutch can easily checked using small drafting triangle home made template bulkheads properly place glue stabilizer platform F 14 Next glue top stringer place Splice bottom stringer together noting made 3/16 sq forward portion 14 x S rear portion Consult fuselage side view proper splice configuration dry glue bottom stringer place ieces form top cabin go next Glue proper notches bulkheads 3 4 5 glue completely dry apply glue notches bulkheads 6 7 bend both sticks simul taneously seating place Secure sticks place pins rubberbands until glue sets Add remaining stringers Youll note 3/16 sq stringers fit flush bulkheads tringers about 3/32-in above bulkheads done planking forward section fuselage will glue directly top 3/16 sq stringers added stiffness raised rear stringers will keep covering contacting bulkheads stringers place install landing gear assembly Use epoxy hererefer plans details Install t fuel tank platform provide required accommoda tions tank intend use prior planking Glue F 15 F 16 place install -in music wire wing dowelsusing epoxy Note dowels extend F4 Plank fuselage Install rear wing dowel after planking finished ready covering engine cowl made tack-gluing cowl block firewall after shaped flow smoothly fuselage Remove shaped block hollow about -in thickness An electric Moto Tool indispensible doing Next bolt engine mount onto firewall glue hollowed-out cowl February 1981 69 ALL BULKHEADS /5 SHEET IWLEGS OThERWIGE NOTED 0F3345C LAIU HEAR MaMT 1938 COMMODORE ORIGINAL DESIGN BEN SHERESI-IAW 938 STRUCTURE REDESIGN BOB OSLAN 978 TRACING BY JOE DEMARCO SF-FEET IOFD nri 1u11rrooore goon look top aide didnt say whether other views shot Taft Wherever looks like super place FF flying securely place Cut away part cowl necessary provide easy access engine engine mount Empennage vertical horizontal stabil izers pretty straightforward should need minimal explanation primary things observe accuracy shaping spars proper use shims building parts plan order assure maximum accuracy hinge alignment its good idea cut hinge slots spars prior construction Wing wing construction simple though bit unique center section designed facilitate easy accurate assembly three sections requires read follow instructions plan assure satis factory job important use rib-angle template gluing R-1 place angle R-1 must correct fit main center section spar properly As empennage proper shimming during construction needed assure accurate alignment Refer plans shim ming informationdimensions locations noted sure add shear webs main spar shown plan Omission shear webs will produce weak wing especially covered plastic film Covering Selection covering material left individual modeler structure designed sustain flight loads covered plastic film maximum strength silk-and-dope recom mended choose use silk dope also use plasticizer dope available area use non-taughtening dope latter should available airports private planes hangared Flying prototype took off its maiden flight about half-throttle maintained steady climb setting Rudder bit touchy easily corrected moving pushrod servo arm Elevator travel also reduced Final travel distances plus/minus 1 both rudder elevator Commodores clean lines make stall re covery quite good soif flare out landing three feet too high bottom doesnt dropout just keeps right flying course youre really determined can smash up anything Commodore will tolerate whole bunch mistakes before get too much trouble Dont surprised find Commodore being favorite airplanes wont see prettier sight sky Safe Flying No Accident 54 r4S3 V8 TyPGL 3/FE 5444 S 1/4 F/A 55 VA 5/8 STABIUZER 5/6 5/32 MUGC WIRE V32 PLYVA 5/8 VA WEST /45/8 SPAR Sr ELEVATOR 4 SO 3/16 SHIM /4SUSSET 3/16 SOOT SiB SIHEmAL ANGLE TEMPLATE 9HEDMAL 5ASES I/A PLY PJc - DEWEY HEILMAN 70 Model AviatiQn Authors Commodore Enya 29 came out 41/2 lbs make good combination Texaco competitions Its glide excellent will milk lift best Great fun flying FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 NEAR WEB MAIN SHAD WiTH I/B SlEET PROM RIB R3 TO RIO ye TIPICAL fr-rr-rr 3/4 RESPAR 3/163/16LEADING EOGE _____________5/3D3/B 1/16 AT ROOT RB RITAPERS TO 3/Ba9/IRAT RIB RI —__________I/IA 5/IA_______WI I/B VBa I/B 162 V4 1/4 SO_______ _______ SPAR11 RIR2R3RHPSR6RiRBR9RIORIIIIRO ICI IC RORIB K__ I/4a 3/H TAPERES-SEE ABOVE I/B___ 5/16 OHM LONG ENTIRE TRAUNG ESREASSIB3WN osoRIIVIE B R3 NOTE RIB PATTERN IC ON WINS LAYGIT RIO R9 RB Ri RB ALL RIBS I/B SHEET rr C IC I/B 3/BL1I7zn PAT CAREFUL ATTENTION TO IFBICATEO SAMS TO ASOLRE ACCURATE AUONWOIT WI-EN WING VECTTONS ARE JONED REAR RYWOSO DREONAL BRACE AND FRONT VB I/B SPARS ARE ADDED AFTER WINS RECTIONS HAVE BERN REO COVER TOP AND BOTTOM ER CENTER VECTION WITH/ VW GEET AD FINAL STEP ER WINS CONOT -S i2-345AWONEBOARS ''' SURFACE 1938 COMMODORE ORIGINAL DESIGN BEN SI-IERESHAW 938 STRUCTURE REDESIGN 808 OSLAN 1978 TRACING BY JOE DEMARCO SHEET 2 OF 2 RE \p 2K rz 77Z7ZLTJ FF TI II IIII pIII IIITI III r IIII :1:i~I1I III, I' CIIllI SI\\SI III IIII g fI February 198171