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fun51 engine - 7/24/2007 3:32:16 AM   
bryon


 

Posts: 9
Joined: 3/19/2006
From: Niangua, MO, USA
Status: offline 		im building a fun 51 dont know what engine i should it on as far as power and weight i have a 40& 46 la and a super tger 45 but didnt know witch would be best ?
       Post #: 1

RE: fun51 engine - 7/24/2007 3:59:08 AM   
rtn9105



Posts: 702
Joined: 8/12/2002
From: Hutchinson, MN, USA
Status: offline 		I flew the fun 51 with a ST45 and it performed very well.

(in reply to bryon)
       Post #: 2

RE: fun51 engine - 7/24/2007 11:20:02 AM   
paulsen



Posts: 401
Joined: 2/13/2004
From: kailua-kona, HI, USA
Status: offline 		I would go with the LA40 since the plane is so light and get longer runtimes then the LA46. The Super Tiger is pretty heavy (about 6oz heavier! ) especially for a plane this size.

_____________________________

Lower!!!

(in reply to rtn9105)
       Post #: 3

RE: fun51 engine - 7/24/2007 1:56:14 PM   
flightcrazed



Posts: 178
Joined: 3/18/2004
From: Gainesville, FL, USA
Status: offline 		I had a TT46 on mine, it would have hovered if the rudder and elevator were a little bigger.. If I were building another I would extend them both about an inch.. If your not looking for it to hover, built as is it'll KE all day, I'd put the 40 on it. If you modify the rudder and elevator, put the 46 on it. Just my $.02.

_____________________________

Huck it.... And Huck it Hard!!!

(in reply to paulsen)
       Post #: 4

RE: fun51 engine - 7/25/2007 1:16:09 AM   
PA BEN


 

Posts: 323
Joined: 12/2/2005
From: Port Angeles, WA, USA
Status: offline 		A size 40 would be fine. I put a evolution 46 on mine way over powered.


(in reply to flightcrazed)
       Post #: 5

RE: fun51 engine - 7/25/2007 7:30:20 AM   
troposcuba



Posts: 358
Joined: 10/18/2006
From: raeford, NC, USA
Status: offline 		got the ST .45 on mine. the plane and engine were given to me free. the guy was sick of fixing where the landing gear mounts to the fuse (and had ripped itself clean a couple times) i think i got that prob whooped. the engine ran horribly when i got it. i tore it down (thinking it was junk) and found no damage really. just a ton of varnish. cleaned it, lubed it re-assembled and it runs much better. not what i would call perfect but at least acceptable. runs great in the mid to high rpm. and the plane flies awesome. almost unlimited vertical. it stops going up eventually, but i get bored going straight up and have to do something before it tops out anyway.

check out the crazy repairs i did to reinforce that weak point where the landing gear attaches. I think it will take on anything now. check out the re-construction thread here

_____________________________

at 'em boys, give 'er the gun!

(in reply to PA BEN)
       Post #: 6

RE: fun51 engine - 7/27/2007 7:41:29 PM   
bryon


 

Posts: 9
Joined: 3/19/2006
From: Niangua, MO, USA
Status: offline 		thanks guys, info sure helped now time to start wings

(in reply to troposcuba)
       Post #: 7

RE: fun51 engine - 7/27/2007 7:43:04 PM   
bryon


 

Posts: 9
Joined: 3/19/2006
From: Niangua, MO, USA
Status: offline 		nice lookin 51 pa ben

(in reply to bryon)
       Post #: 8

RE: fun51 engine - 7/29/2007 8:50:45 PM   
ramcharger


 

Posts: 572
Joined: 1/25/2002
From: St Louis, MO, USA
Status: offline 		I just finished a Fun51. It has a ST 40 however I used the small ST muffler. The larger
ST muffler extends over the landing gear and that could be a problem on a ploop
landing. It has about 10 or 15 flights and I like it a lot. I'm concerned about the
vibration in the nose. I use a balanced 11x4 MAS prop. Its a great flyer.

(in reply to bryon)
       Post #: 9

RE: fun51 engine - 8/1/2007 1:00:47 PM   
ddrake24


 

Posts: 25
Joined: 2/22/2006
From: Stillman Valley, IL, USA
Status: offline 		I put an OS 46 in the one I built for my son. It performs great.

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(in reply to ramcharger)
       Post #: 10

RE: fun51 engine - 8/14/2007 11:47:35 PM   
MikeMc



Posts: 572
Joined: 2/19/2004
From: Union City, CA, USA
Status: offline 		I had the LA40 on mine and it was more than enough power. Good times.

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Sponge Mike Square Pants - Insubordinate Renegade Airforce (IRA 1)

(in reply to bryon)
       Post #: 11

RE: fun51 engine - 3/7/2008 9:33:47 AM   
65010


 

Posts: 50
Joined: 12/26/2005
From: MelbourneVIC, AUSTRALIA
Status: offline 		I have put an OS 55 AX on mine...

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(in reply to MikeMc)
       Post #: 12

RE: fun51 engine - 3/7/2008 10:32:41 PM   
frenchie79


 

Posts: 657
Joined: 4/10/2007
From: Lancaster, WI, USA
Status: online 		DITTO on the AX55-opps, this ain't a fun fly. Same thing though. 46AX with a 12.25x3.75 prop so nice-55AX with the same only better.

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Frenchie #193

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       Post #: 13

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