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1. 12:19 PM - 1977 Cheetah (teamgrumman@AOL.COM)
2. 06:48 PM - Re: 1977 Cheetah (jwellum@aol.com)
Message 1
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I just finished restoration of a Cheetah, 1670 TTSN. =C2-Engine by LyCon,
who else. =C2-It dyno'd at 188 hp, leaned, at 2725 rpm. =C2-With a =C2
-Power Flow, and a 61 inch pitch Sensenich [61 inch pitch], static rpm was
just a touch over 2400 rpm, leaned. =C2-
Yesterday was the first flight. =C2-Climbed at 1500 fpm at 92 knots right
from take-off (1536 feet) to 4500 feet. =C2-Straight and level at 4500 fee
t it easily ran over red-line. =C2-Too easily. =C2-Needs at least 2 inch
es more pitch. =C2-Flew to Lancaster pushing a 20 to 30 knot headwind all
the way. =C2-Two hours into the return flight, I took it to 12,000 feet, t
urned red-line and then some, easily. =C2-Needs more prop.
Complete instrument panel upgrade. =C2-2 430s, 340 audio panel and a 327 t
ransponder. =C2-JPI EDM 700. =C2-Digital tach. =C2-Mitchell gauges, Au
Country eyebrow, Nu-Lites. =C2-
Paint and interior and this is as good or better than new. =C2-
Message 2
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| Subject: | Re: 1977 Cheetah |
Very impressive!!! What mods were done to the engine? I have been curious
about the performance of a cheetah with a few modifications.
Jeff
In a message dated 9/20/2008 2:20:37 P.M. Central Daylight Time,
teamgrumman@aol.com writes:
I just finished restoration of a Cheetah, 1670 TTSN. Engine by LyCon, who
else. It dyno'd at 188 hp, leaned, at 2725 rpm. With a Power Flow, and a 61
inch pitch Sensenich [61 inch pitch], static rpm was just a touch over 2400
rpm, leaned.
Yesterday was the first flight. Climbed at 1500 fpm at 92 knots right from
take-off (1536 feet) to 4500 feet. Straight and level at 4500 feet it easily
ran over red-line. Too easily. Needs at least 2 inches more pitch. Flew
to Lancaster pushing a 20 to 30 knot headwind all the way. Two hours into the
return flight, I took it to 12,000 feet, turned red-line and then some,
easily. Needs more prop.
Complete instrument panel upgrade. 2 430s, 340 audio panel and a 327
transponder. JPI EDM 700. Digital tach. Mitchell gauges, AuCountry eyebrow,
Nu-Lites.
Paint and interior and this is as good or better than new.
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