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Has anyone put a gas engine in this airplane? I think there is enough area in the cowl and it has a big wing so could handle the additional weight. I was thinking an MVVS 1.60. Would like to hear if anyone has tried it and what the results were.

Thanks.

jrf

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We don't want to hear from you in a month or so that the Goldberg Decathlon is a piece of crap because the gear collapsed or the wing broke or the tail came off.

That airplane is designed to fly with a 91 four stroke. That means that it has the strength to handle a 91 four stroke.

Good luck and be sure to videotape the first flight.

Jim

Texastbird

I saw one with a Saito 150 and it was a real rocketship. Throttle management is definitely needed. How much more does a MVVS weigh than a Saito?

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The MVVS would weight quite a bit more than the Saito...especially the Saito 91 or 100 that would be ideal for it.

Jim, I of course understand what you're saying and you're probably right. I will likely use a Saito 100 (same weight as the .91 just a bit taller) a motor I have had some positive experience with.

afterburner

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I've had one for about two or three years with an O.S. 120 four stroke with pump. That gives plenty of power. Actually the firewall has come loose and I pinned it. I think it would need some beefing up for a gasser. I'm not sure how much overpowering is needed on this plane. Everytime I have flown it, I feel like I'm flying a schoolbus. It is a relaxing flyer. Also needed to strenghten the gear with music wire and some clamps. Good luck.

marty

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Thanks, guys. I'm convinced. I wasn't interested in the gasser for the power but just that I wanted a Decathlon and would like the convenience of gas.

Sounds like a Saito 100 or at most Saito 120 is appropriate for this airplane for power and weight.