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New product annoucement

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rcnewman(at)mycingular.bl
Guest

Posted: Wed Oct 24, 2007 11:55 am Post subject: New product annoucement

Fellow RV builders,



I'm pleased to annouce we have added two new models to the Safety-Trim product family.   In addition to our standard features of time limited servo control, adjustable speed control, emergency reverse and simplified pilot/co-pilot wiring we now have models with that provide 2 user adjustable preset speeds.  This feature allows you to control your trim response based on aircraft performance.   This feature is especially useful in aircraft with a large performance envelope such as the RVs.  

For all the details please visit our website.  www.tcwtech.com



Thanks,

Bob Newman.  Rv-10

#40176



Sent via BlackBerry by AT&T

teyoung1(at)comcast.net
Guest

Posted: Thu Oct 25, 2007 10:50 am Post subject: New product annoucement

I'd be interested to know if anyone has tried a two-speed setup using a 

5-position inline switch like this (51MX down at the bottom):



http://www.machinecomp.com/js_sa.htm



First position, slow, push it a little farther, fast. It might be one of 

those ideas that seems clever but isn't, but I can't really see why it 

wouldn't work. Any thoughts?



Tom Young

RV-4, long, long way to go

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rcnewman(at)mycingular.bl
Guest

Posted: Thu Oct 25, 2007 1:03 pm Post subject: New product annoucement

Tom,   The component you found is a multi-position switch.  Although it can select multiple actions it has no way of providing any speed control function on its own.   Additionally, it does not provide any of the valuable features of Safety-Trim, such as the time limited servo drive, or simplified pilot/co-pilot wiring.  



-Bob Newman

TCW Technolgies

www.tcwtech.com



Sent via BlackBerry by AT&T



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teyoung1(at)comcast.net
Guest

Posted: Thu Oct 25, 2007 1:30 pm Post subject: New product annoucement

I wasn't suggesting that, I was suggesting using that switch with your 

two-speed box (or two of the Matronix boxes and a relay) to provide the 

multispeed capability at the pilot's fingertips in a single switch, rather 

than using a separate switch actuated by the flaps or somesuch.



- Tom



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dale1rv6(at)comcast.net
Guest

Posted: Thu Oct 25, 2007 1:47 pm Post subject: New product annoucement

I used a simple 2 position switch that connects a wire that by passes a

resistor that slows down my pitch trim. When switch is closed the resistor

is ineffective and I have fast trim. Now I have 2 speed trim, all I need.

(KISS)

Dale

RV6a 935 hrs



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Bruce(at)glasair.org
Guest

Posted: Thu Oct 25, 2007 1:53 pm Post subject: New product annoucement

While your system is interesting, my elevator trim motor draws 2-3 amps, my

roll trim is under 1 amp but the elevator is not.



Bruce

www.Glasair.org

 



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rcnewman(at)mycingular.bl
Guest

Posted: Thu Oct 25, 2007 2:01 pm Post subject: New product annoucement

Oh,  sorry I mis-understood.   With the Safety-Trim two speed controller you only need a simple SPST switch to activate the two speeds.   The switch just grounds the "two-speed input" wire or leaves it open.     The safety-trim control box does the rest.   The switch can easily be a simple manual switch on the instrument panel.  



-thanks,

Bob Newman. 

Sent via BlackBerry by AT&T



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rcnewman(at)mycingular.bl
Guest

Posted: Thu Oct 25, 2007 2:26 pm Post subject: New product annoucement

Bruce, can you provide me a brand /model # or any other info about your elevator trim servo.  We have not yet run into that limitation before and like to fully understand it.  If there's room to offer another product that drives a common higher current servo we'd like to look into it.  



Thanks,

Bob Newman. 

Sent via BlackBerry by AT&T



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teyoung1(at)comcast.net
Guest

Posted: Thu Oct 25, 2007 3:23 pm Post subject: New product annoucement

Sure, I'm aware it can be done simply, I've just been interested in the 

possibility of a single-switch approach... I was curious if the idea had any 

merit from a piloting point of view -- ergonomics, safety, etc. Maybe I'll 

just have to buy one of your nice boxes and blaze that trail myself.



-Tom



do not archive



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rcnewman(at)mycingular.bl
Guest

Posted: Thu Oct 25, 2007 3:57 pm Post subject: New product annoucement

Tom, I had not fully appreciated the concept you proposed with the 51MX series switch.  But now I do.  And the answer is yes! It will work exactly as you described.  One pole of the switch would drive the "two-speed switch input"  and the other pole of the 51MX would drive the respective trim inputs.  

-Bob Newman



Sent via BlackBerry by AT&T



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