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Will this plane take my O.S. .40 LA?

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Will this plane take my O.S. .40 LA?

Old 05-05-2008, 01:53 AM
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yetti831
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Default Will this plane take my O.S. .40 LA?

Hi guys,

I want to get this plane. I still have a thing for docile high-winged beauties. My sporter is a lot of fun, and I fly it a lot, but I am still nervous as hell wotj it because it's a rocket and doesn't like to slow down much for anything. In any event, I'm looking to house my O.S. 40 L.A. This plane will fit it, no?

http://www.nitroplanes.com/cesk1541arfn.html

Thanks again.


P.S. And does it really need micro servos? Can I make do?
Old 05-05-2008, 02:16 AM
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jrcaster
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Default RE: Will this plane take my O.S. .40 LA?

I don't think you would be happy with that combination. First off that seems to be designed for an electric motor so reinforcements won't handle a .40 sized motor. Second, going to a .40 engine you would have to do some serious cutting out on the cowl to fit it. Third, that plane is designed for an 8 inch prop so going to a 10 or 11 inch prop would mean that you probably won't have the ground clearance.

If you are set on getting that plane, consider getting a .15 or .20 engine to match up with it.
Old 05-05-2008, 02:16 AM
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bigtim
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Default RE: Will this plane take my O.S. .40 LA?

I would think your 40 will be a bit too much for that one,since its rated for a .15 and the suggested engine is electric you might want to give it a pass on the fit factor,it is a pretty nice looking plane just a little small.
Old 05-05-2008, 05:35 AM
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CGRetired
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Default RE: Will this plane take my O.S. .40 LA?

It's a glow design that can be converted to electric. But, the engine size requirement is a .15 to .25. Even that underpowered LA will be to much engine for that. It will probably be a tad heavy, and be well overpowered for that plane.

If you like that plane, get the right engine for it.

http://www3.towerhobbies.com/cgi-bin...&I=LXBY42&P=ML

This engine is only $79.99 and this one

http://www3.towerhobbies.com/cgi-bin...&I=LXPUE0&P=ML ,

an LA is only $62.99.

If I had my choice, I would go with the FX.. just $18.00 more and you will be getting much more engine.

CGr.
Old 05-05-2008, 06:43 AM
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Default RE: Will this plane take my O.S. .40 LA?

I have both of those engines, and they are both great. The FX is obviously a lot more powerful, and it is what we use on our combat planes. I've had my .25LA on a couple of airframes, and it's big advantage is probably fuel economy (and weight). It flies for a long time on 4 oz of fuel, and it is very reliable, as is the .25FX.

My .25LA on a SPAD Gnat, with a set of skis, is what got me through this winter.

I think the .25LA will be plenty of power for that Cessna. I would definitely reinforce the firewall, and scrap that plywood engine mount and use a plastic one. I usually use these:

http://www3.towerhobbies.com/cgi-bin...?&I=LXJ771&P=0
Old 05-05-2008, 09:19 AM
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yetti831
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Default RE: Will this plane take my O.S. .40 LA?

Thanks for your replies! I was looking for a plane where a .40 la would provide a lot of power. I'll look into the Fx. THanks!
Old 05-05-2008, 11:46 AM
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Default RE: Will this plane take my O.S. .40 LA?


ORIGINAL: yetti831

Thanks for your replies! I was looking for a plane where a .40 la would provide a lot of power. I'll look into the Fx. THanks!

I've got one of these little cessnas (haven't put it together though), and I would definitely not put a .40 on it. Matter of fact, even a .25 might be pushig it. It's a small plane that's built very light.
Old 05-05-2008, 11:50 AM
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checkmate91
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Default RE: Will this plane take my O.S. .40 LA?

Then check out World Models' LA Racer or LA FLyer, both designed for the OS LA engine...
Old 05-05-2008, 02:22 PM
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yetti831
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Default RE: Will this plane take my O.S. .40 LA?

Thanks for the suggestions. I have some questions, though. Both of those planes are at 5lbs. My tower was at 5lbs and it was very slow with the L.A. 40 on it. Will an L.A. be spirited enough to put these planes through some exciting sport flight? Am I missing something? Thanks!
Old 05-05-2008, 02:40 PM
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smedsky
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Default RE: Will this plane take my O.S. .40 LA?

Also it is probably somewhat fragile and after you repair it a few times it won't look near as sharp.
Old 05-05-2008, 04:05 PM
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-pkh-
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Default RE: Will this plane take my O.S. .40 LA?

I've used a .40 LA to "overpower" a couple of .25 sized planes. The .40 LA right in between a .25 FX and a .32 SX for weight and power, so if you can fly it with either of those engines, the .40 LA should work/fit fine.
Old 05-05-2008, 06:12 PM
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yetti831
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Default RE: Will this plane take my O.S. .40 LA?

Hmm, okay. Thanks!
Old 05-05-2008, 06:21 PM
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yetti831
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Default RE: Will this plane take my O.S. .40 LA?

Oh, yeah, are the micro servos a must on a plane like this?
Old 05-05-2008, 07:02 PM
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bigedmustafa
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Default RE: Will this plane take my O.S. .40 LA?

That .15-size Cessna from Nitro Models will need mini/micro servos, it's too small for standard size servos.

Hangar 9 still offers their $79.99 .40-size Cessna ARF as part of their value series:

http://www.horizonhobby.com/Products...ProdID=HAN1600

It will take standard size servos and a .40 LA engine just fine. It will also come with clear and detailed instructions.

A properly tuned .40 LA should provide plenty of power as well:

http://www.youtube.com/watch?v=RVi5d3x2ABA

The above video shows a .40 LA powering an Avistar Trainer (recovered) right off the tarmac with authority on a fairly windy day. Your .40 LA engine should spin a 10x6 prop at close to 12,000 rpms with proper tuning, and it would power that .40-size Cessna just fine.

Good luck, and good shopping!

Edit: Oh, if you're more concerned about really fast performance from your .40 LA, you might look at the Phoenix Sonic ARFs available from Tower Hobbies:

http://www3.towerhobbies.com/cgi-bin...?&I=LXEDN6&P=7

http://www3.towerhobbies.com/cgi-bin...?&I=LXEDN7&P=7

These are nice, high quality ARFs that will fly like scalded cats with a .40 LA on the nose!
Old 05-05-2008, 07:21 PM
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yetti831
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Default RE: Will this plane take my O.S. .40 LA?

Thanks for the great info!
Old 05-22-2008, 08:35 AM
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speedair
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Default RE: Will this plane take my O.S. .40 LA?

you need something like a speedair 40 for that engine

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