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Please help identify this twin engine size?!

 
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Old 09-08-2019, 09:33 AM
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Slimsi
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Default Please help identify this twin engine size?!

Hey fellas I can use some help identifying the size of this twin engine. Its in great shape, and the only thing I can find on the Web (which isn't much) is several sizes that match the description. It says Brison Aricraft on one side of each cylinder.
It does have EI, one cylinder head says "Mahle." The other cylinder has 44 ZN 18 W3 (or could be W8) engraved.
On the back of the mount plate is "5090, then below it 64"
It did have a Xoar 24x10 prop on it.

Please ask questions if need be!

Thanks for any help!!!
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Old 09-08-2019, 12:33 PM
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smurfjet
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Looks to me like a Brison 6.4 (105cc) twin. This was a Sachs based engine using a Mahle top end. Good running engine. I had one in a 49 percent scale Pitts.
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Old 09-08-2019, 12:52 PM
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Slimsi
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Smurfjet thank you very much for the reply.
I found Brison made several larger size twins, for some reason I didn't think that was big enough to be 100cc size engine. But someone on another forum stated the same as you.
Wanted to make sure there was enough power to put it on a Ziroli 100" Bearcat or Hellcat.
How did it do on your Pitts?
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Old 09-09-2019, 09:54 AM
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Its a Bryson , I have some extra exhaust for it if you need any.
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Old 09-09-2019, 07:58 PM
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Flew the Pitts with authority. It had a 95 inch wingspan so it was just under 50 percent or 1/2 scale. I don’t remember the weight but it pulled it around nicely for scale aerobatics. It was an Exclusiv Modellbau Kit. This engine would do great in a Ziroli Bearcat or Corsair (as long as it fits in the cowl).
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