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Old Jan 31, 2007, 11:46 PM
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USA, NY, Rochester
Joined Jan 2003
678 Posts
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Magnum XL .52 FS on a 96oz warbird?

I am just finishing up a Model Tech P-51 and am putting a Magnum XL .52 FS on it.

Will this .52 motor power this plane. Weighs about 96oz.

Thanks,
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Old Feb 01, 2007, 12:19 AM
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Joined Oct 2004
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Yes it will, but don't expect vertical performance at 96oz all up weight. It will probably fly pretty much scale. Real Mustangs couldn't fly straight up either.
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Old Feb 01, 2007, 08:20 AM
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Dushore Pa. & Arcadia Fl.
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If you are on a grass field I doubt if you will get it off the runway. I had mine on a 17% Giles that was much lighter and the performance was poor. I would go with a 70.
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Old Feb 01, 2007, 11:27 PM
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USA, IL, Benton
Joined Jan 2005
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I've been flying a World/Airborne Mustang for several years and I believe it is about the same size as your modeltech. I first flew it with a Saito 72 and it flew just fine- like a sport plane. I now fly it with a 91 Saito and it is really a blast. No lead needed to balance, just moved the battery back a little. I don't believe you would be satisified with a 52 four stroke.
Fred
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Old Feb 02, 2007, 06:50 AM
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USA, NY, Rochester
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Thanks Fred,

Problem I have is there is only 3 1/8" from the firewall to the spinner face??

The bigger motors seem to be longer than 3 1/8"

Thanks,
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Old Feb 02, 2007, 11:05 AM
In Massive Debt
Northampton Massachussetts
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You have started multiple threads about this same topic. Check your other threads for responses also.
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Old Feb 02, 2007, 02:46 PM
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Dushore Pa. & Arcadia Fl.
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I have usually found that there is more than one way to skin a cat, and more than one way to mount an engine. Seek and ye shall find.
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Old Feb 02, 2007, 11:17 PM
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Dallas, Texas area
Joined Sep 2003
875 Posts
I posted this in another thread but it applies equally here.
On my Magnum 61 four stroke using 15% fuel and a MA 12x6 Smicitar I get 10000 sustained RPM and using a fish scale measure 5lb 5oz (85oz) static thrust.
The 61 is about 18% bigger than a 52, not sure that everything scales 1:1 but assume that it does and you are looking at 4lb 8oz (72oz) static thrust.
I would not be happy with the 61 four stroke on this plane.
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