Will this work?
05-09-2008, 12:29 AM
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RE: Will this work?
Sorry Tom, that 40# flying weight is way too heavy for a G62. My planes using the 62's were in the 20# flying weight range. What scale is the Stearman to be that heavy ? You'd be closer with a 125 to 150cc Zenoah's 80cc would even be marginal.
05-09-2008, 04:42 PM
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RE: Will this work?
KI8FR, I really don't kniw what the weight will be,just going from the weight suggested on a site about barron plans. It said between 32-35 lbs. Don't know if that is including the engine. Was just taking worst case senario. Tom
05-10-2008, 08:24 AM
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RE: Will this work?
A little more info would help. How much wing area, in addition to the projected finish weight. I come up with a 96.5" wingspan for quarter scale (PT-17). I know plenty of guys flying G-62 on 32 to 40 lb warbirds. Would probably fly it scale ok (on the wing). I have no personal experience with G-62 yet (have two going in projects soon) but I know lots of guys using them. They like 22x10 props. Just my opinion.
Edwin
Edwin
05-10-2008, 06:34 PM
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RE: Will this work?
Then I think a G62 will work for scale flying. Which I believe you said thats what you wanted.
Just wanted to state the obvious just in case. You will need to build up speed on your take off and dont bank too high in your turns until you're comfortable with the power to weight. I flew a heavy Pheaton 90 that was somewhat under powered and really liked it, very realistic and laid back.
Edwin
Just wanted to state the obvious just in case. You will need to build up speed on your take off and dont bank too high in your turns until you're comfortable with the power to weight. I flew a heavy Pheaton 90 that was somewhat under powered and really liked it, very realistic and laid back.
Edwin
05-10-2008, 06:52 PM
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RE: Will this work?
Tom: I have several planes in the 32/35 lb. range powered by G-62's, and they fly very good - but no where near close to 3-D performance. I run both 24 x 8 and 22 x 10 props. One engine that has hundreds of hours and well broke in does very well on a 23 x 10 prop.
A good rule of thumb for everyday flying is to consider 10 lbs. for every cubic inch of displacement, so a G-62 being 3.7 cu. in - will fly up to 37 lbs.
You won't have any problem with the Stearman/G-62 combination.
A good rule of thumb for everyday flying is to consider 10 lbs. for every cubic inch of displacement, so a G-62 being 3.7 cu. in - will fly up to 37 lbs.
You won't have any problem with the Stearman/G-62 combination.
