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"Heino & Deanne Weisberg" <weisberg@mts.net> wrote in message
news:%33bf.5271$lb7.60762@news1.mts.net...
>I've a Stitts SA-3A playboy I picked up recently. It has an A-75 Continental
and a 67" Fottorp prop with a 47 pitch.
>The plans indicate this machine should fly around 120 mph with this engine; no
mention of prop. A previous owner I
>spoke to said it cruised around 118mph for him. For me, it cruises around
95mph; I verified this with GPS. On run-up,
>I get about 2250 max RPM. On take-off it easily red-lines, suggesting to me
the prop isn't a good match, but then I
>know next to nothing about this. It flies beautifully, feels very well rigged.
I won't pretend I know what the
>problem could be; but I do know it is flying a lot slower than it should. Any
suggestions would be greatly
>appreciated!!
> Thank you
> Heino
>
Is it knots on the GPS?
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Re: why so slow??!!
