REFLECTOR: Slowing down elevator trim speed

Brett Ferrell reflector at velocityxl.com
Thu Dec 25 08:35:04 CST 2008


http://www.velocityxl.com/phpBB2/viewtopic.php?t=447&highlight=pitch+trim+resistor

~ or ~ from Ronnie Brown, universal Good Guy

"Hi Mike:

Volume 4, page 3 of Velocity Views has a write up of a 0-5 OHM, 50 Watt
slide wire power *resistor* to slow down the *trim* motor.

Ronnie "

Merry Christmas,
Brett

Jeff Barnes wrote:
> Merry Christgmas Michael !!
>  
>          The topic you seek is 'Pitch Trim Resistor'.
>  
> Thread began 3/1/2002 thru 3/5/200, then topic morphed to 'Trim Motor
> (12V) circuit follow-up.
>  
>         Let me know if you can't find in archives: I have all the old
> reflector emails.
>  
>  
> Best Regards,
>  
> Jeff Barnes
>
> --- On *Wed, 12/24/08, Michael Watson /<mikewatsspg at gmail.com>/* wrote:
>
>     From: Michael Watson <mikewatsspg at gmail.com>
>     Subject: REFLECTOR: Slowing down elevator trim speed
>     To: "Reflector" <reflector at tvbf.org>
>     Date: Wednesday, December 24, 2008, 6:50 PM
>
>     I know this subject was discussed in the past, but I just can't find
>     it in the TVBF archives and I don't want to reinvent the wheel.
>
>     Above 140 KIAS to obtain OOO level flight the trim is just too
>     sensitive. One tap up from 5ft down on the VIS will result in
>     a VSI reading of 10 to 15 ft up and visa verse. I recall someone
>     placing a resistor/resistors in the trim power line to reduce the
>     voltage to the trim motor. What value/wattage was used and
>     was it effective?
>
>
>
>
>
>     -- 
>     Mike W.
>     1997 Velocity Elite RG
>     Franklin /IVO Electric CS
>     Dual GRT EFIS
>
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