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Likely because with the nose gear open the air pressure is
the same on top and bottom (maybe even higher on the bottom due to higher angle
of attack). On a top-down air-flow system, to force cool air flow through
the cylinder fins and the oil cooler, the air pressure must be higher on the
top, and lower on the bottom. Therefore, the nose gear door must be closed
to achieve optimum (or perhaps any) air flow where it needs to be
most.
Rod
----- Original Message -----
Sent: Thursday, June 11, 2009 11:12
AM
Subject: [LML] Re: 235 gear down
speed?
My 320 Operators Manual specifies 122Kt for gear operation, and
140Kt max for flight with the gear down. Note: my engine heats up very quickly
with high power and the landing gear down.
Bill Kennedy
N42BK 565
hours and counting
From: marv@lancair.net
To: lml@lancaironline.net
Date: Wed, 10
Jun 2009 13:33:25 -0400
Subject: [LML] 235 gear down speed?
Posted
for <troneill@charter.net>:
How fast may one fly a 235 with
gear remaining down?
Terrence
L235/320
N211AL
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