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Jan 27, 2003, 12:40 PM
ESB
ESB
Registered User

scratch building a BELLANCA 28-92 TRIMOTOR!!!


well was flipping threw pages of a old 97 RCM book and came across this and said i got to build one of them!!! the original plans were for a 56in.WS running 3 speed 400's on 8 standard 1700mah cells, so what i did was took the page to kinkos and had them blow up to were i got a 42in.WS with a 25in. fuse length, think i"ll try 3 280's or 300's spinning zagi props with 10cp1300's(still want the speed) other then down sizing all the material and tracing all the parts things are going quite well, isnt the 1930's vintage racers a thing of beauty!! heres some pics, any help on the power train is apprieciated.
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Jan 27, 2003, 06:45 PM
Super Senior Member
I have the plans for this, and intended to build it, but its got soooooooo many parts Good luck, and let us know how you progress.

Greg
Jan 28, 2003, 04:50 AM
ESB
ESB
Registered User

trimotor


well the server is finally back up, didnt have a chance to finish with the pics! yes slopenut too many pieces is a understatement!!!! heres what i got so far
Jan 28, 2003, 04:53 AM
ESB
ESB
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tri


26 pieces alone just in 1 engine nacelle
Jan 28, 2003, 04:55 AM
ESB
ESB
Registered User

tri


and that doesnt include the landing gear
Jan 28, 2003, 04:57 AM
ESB
ESB
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tri


heres a shot of the page plans before blowup
Jan 28, 2003, 05:00 AM
ESB
ESB
Registered User

tri


the tail wheel assembly alone has 3 solder joints, works like a tiller on a boat.
Jan 28, 2003, 05:04 AM
ESB
ESB
Registered User

tri


1 more pic and i'll keep progress reports coming
Jan 28, 2003, 05:07 AM
ESB
ESB
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tri


''
Jan 28, 2003, 08:15 AM
Super Senior Member
I may have to get back onto mine soon! Mine will be the standard 400 size though, I cant imagine working with so many parts that are that much smaller Yours really looks nice and keep up with the photos, I like to keep motivated

Greg
Feb 05, 2003, 07:36 PM
ESB
ESB
Registered User

tri motor


well slope nut heres a few more motivational photos for you, all building is done, engine nacelles and motor cavitys done, all sufaces are hinged and the servo bays installed, all i got to do now is cover it! i've decided to go with 3 6v spd400's!!! with a ws of 42in. and fuse length of 25 its going to be a real bullet!!! i figure i could always go down in motor if its too much( thats if it survives maiden) i plan on using 2 types of batts 1 is a 8 celln 500mah and the other is a 8 cell aa size 600mah,pegasus 35 esc,hitec 555 rx, i'll be spinning 5x5 carbon fiber props. lmk what you think!
Feb 05, 2003, 07:38 PM
ESB
ESB
Registered User

pic2


//
Feb 05, 2003, 07:42 PM
ESB
ESB
Registered User

pic3


//
Feb 05, 2003, 07:46 PM
ESB
ESB
Registered User

pic4


i'll post more pics as progress grows plus im going to weigh everything with and without all support equipment,by for now,john
Last edited by ESB; Feb 05, 2003 at 07:52 PM.
Feb 14, 2003, 05:04 AM
ESB
ESB
Registered User

tri motor


okay, almost done covering+weighed everything, with 3 sp-380's and all other support equipment less the batt my weight was 28 oz. now if i use the 10cp-1300 then my auw will be 41oz.!!! how does that sound? do you think i'll be alright? my kc edf f-18 came in at 39.05oz. and that was with 1 motor, but i had to bungee launch that! each motor weighs 3oz. a piece, so if i did a single i could lose 6oz., but then i defeated my purpose by building a tri, post finish pics later


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