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1. 02:15 AM - Re: 1977 Cheetah (teamgrumman@AOL.COM)
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Subject: | Re: 1977 Cheetah |
new lycoming cylinders, ported and polished. =C2-that's it
-----Original Message-----
From: jwellum@aol.com
Sent: Sat, 20 Sep 2008 6:48 pm
Subject: Re: TeamGrumman-List: 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
=C2-
=C2-
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. =C2-Engine by LyCon, who e
lse.
=C2-It dyno'd at 188 hp, leaned, at 2725 rpm. =C2-With a =C2-Power F
low,
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
feet it easily ran over red-line. =C2-Too easily. =C2-Needs at least 2
inches more pitch. =C2-Flew to Lancaster pushing a 20 to 30 knot headwin
d
all the way. =C2-Two hours into the return flight, I took it to 12,000 f
eet,
turned red-line and then some, easily. =C2-Needs more prop.
Complete instrument panel upgrade. =C2-2 430s, 340 audio panel and a
327 transponder. =C2-JPI EDM 700. =C2-Digital tach. =C2-Mitchell gau
ges,
AuCountry eyebrow, Nu-Lites. =C2-
0A
Paint and interior and this is as good or better than new.
=C2-
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