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From: "Eric Parlow" <ericparlow@hotmail.com>
To: lancair.list@olsusa.com
Subject: 80/87 Approved Engines
Date: Fri, 27 Oct 2000 15:55:09 GMT
Message-ID: <F83Rqf69aZbLAX3cf3e00000634@hotmail.com>
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This is a list of the engines approved for use with 80/87 avgas.
The power density trend is 0.45 to 0.50 bhp/cubic inch displacement.
The TCM IO-360-B is the highest direct drive at 0.50 bhp/cu in
The power to weight trend is 0.49 to 0.63 bhp/lb
the TCM E-225 is the highest direct drive at 0.63 bhp/lb

Engine Model / Compression Ratio

Continental
A-65 / 6.3:1
C-90 / 7:1
O-200-A,B,C / 7:1
C-115 / 7:1
C-112 / 7:1
C-145 / 7:1
O-300-A,B,C,D,E / 7:1
W-670 / 6:1
IO-360-B / 6.5:1 (180 bhp @ 360 cu in)
E-165 / 7:1
E-185 / 7:1
E-225 / 7:1 (225 bhp @ 359 lb)
O-470-11,11B,13,13A,4,15,A,J,K,L,R,S / 7:1
IO-470-J,K / 7:1

Lycoming
AEIO-320-E / 7:1
O-340-B / 7.15:1
O-235-C,E / 6.75:1
O-290 / 6.25:1,6.5:1,7.0:1,7.5:1
O-320-A,C,E / 7:1
O-360-B,D / 7.2:1
O-435-A,C / 6.25:,6.5:1
VO-435-A / 7.3:1
GO-480-A,B / 7.3:1
R-680-E / 6.2:1,7:1

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