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Building my first airboat, need help!! - 3/5/2012 9:13 PM   
prsabordo


 

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Last Login: 3/6/2012
From: Menifee, CA, USA
Status: offline 		hey everyone, i have a leftover nitro rc motor (xtm 15) and i want to put it to use.  So i was wondering if i can get some advice on how to build an airboat from scratch.  I was thinking about following this building plan, www.cajungatorairboats.com/id11.html.  What parts will i need to make my motor work for an airboat?  (prop size, prop mounting hardware, etc)  the materials i do have are: servos, transmitter, receiver, normal hardware(nuts bolts, screws), wood glue. 


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RE: Building my first airboat, need help!! - 3/5/2012 9:36 PM   
dadkins


 

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From: Eden Prairie , MN, USA
Status: offline 		I think you will want a bit smaller boat for that motor - more like 14 - 16 " long x 8 -10" wide - not sure you will have enough umph to get the gator goin. Scale it down 25% and that would probably be close.
Also, not sure what that engine is for ? Car ? if so you will probably need a prop hub.
Good Luck !


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RE: Building my first airboat, need help!! - 3/5/2012 9:43 PM   
prsabordo


 

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From: Menifee, CA, USA
Status: offline 		thanks, yea its from a nitro r/c car. 


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RE: Building my first airboat, need help!! - 3/6/2012 12:31 AM   
1QwkSport2.5r



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quote:

ORIGINAL: prsabordo

thanks, yea its from a nitro r/c car. 


RC car engines don't work well in airboats because the crankshafts are too short. There are ways around it but it's a PITA.

Sell it or run it in a car would be my advice.


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RE: Building my first airboat, need help!! - 3/6/2012 4:15 AM   
prsabordo


 

Posts: 32
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From: Menifee, CA, USA
Status: offline 		Thats the thing, the motor is discontinued so i cant sell it for anything.  The motor did come out of a car that was also discontinued so i cant find any parts for the car. 


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RE: Building my first airboat, need help!! - 3/6/2012 1:27 PM   
1QwkSport2.5r



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quote:

ORIGINAL: prsabordo

Thats the thing, the motor is discontinued so i cant sell it for anything.  The motor did come out of a car that was also discontinued so i cant find any parts for the car. 


If you're set on building a boat, an inboard setup would be the best solution to using the engine. Inboards still use a clutch so the crankshaft length won't be as critical.

Even if the engine is discontinued, if it runs good and holds good compression when warm, you should be able to get $20-$25 for it. Put it in the RCU classifieds and see what happens.

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