rv8vator(at)comcast.net
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 Posted: Sun Mar 14, 2010 9:51 am Post subject: RV8-List Digest: 2 Msgs - 03/13/10 |
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There are two systems on the market that slow down the trim motor at higher
air speeds. (I find this to be a problem with all of the normal
installations.)
Both use an airspeed sensor.
One is part of a box that makes wiring the airplane simpler and the other is
by TCW Technologies: www.tcwtech.com
Both available from Steinair.com
Martin Sobel
RV-8 Wings
On 3/14/10 4:59 AM, "RV8-List Digest Server" <rv8-list(at)matronics.com> wrote:
[quote] *
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RV8-List Digest Archive
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Total Messages Posted Sat 03/13/10: 2
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Today's Message Index:
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1. 12:23 PM - Slowing down the trim (jimbean6(at)verizon.net)
2. 02:45 PM - Re: Slowing down the trim (cs(at)charlesstringham.com)
________________________________ Message 1
_____________________________________
Time: 12:23:26 PM PST US
From: jimbean6(at)verizon.net
Subject: Slowing down the trim
We all know that the usual trim setup used in the RV's and others is very
touchy.
Early in building my RV-8 I built and installed a 9 volt power supply
intending
to power the headsets with it.
Foolish boy, that doesn't work.
Since the 9 volts was already there I tried it on the trim motor, leaving the
trim
indicator supply at 14 volts.
Everything has been working fine with the trim just running slower, a good
thing.
I realize that most people will not want to bother installing a separate 9
volt
supply but it does work.
For those interested the shack 5 amp regulator has a schematic and parts list
on
the back of the package.
Contact me off-line for my trim schematic. It is in autocad format.
Jim Bean
jimbean6(at)verizon.net
RV-8 81110 80 hours.
________________________________ Message 2
_____________________________________
Time: 02:45:23 PM PST US
Subject: Re: Slowing down the trim
From: cs(at)charlesstringham.com
Cool idea, but couldn't you just install a rheostat to throttle back on the
voltage
to the trim system instead of putting in another lower voltage system? This
way you could have the speed trim and the fine trim. Does your low voltage
system make it easier to trim out in cruise?
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