[NSRCA-discussion] Trim changes

[Stuart Chale]

Let's see a ball bearing mounted bell crank with helicopter style ball links
and an access hatch to tend to it.

Never mind just adjust the elevator trim :-)

 

 

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Glenn
Hatfield
Sent: Thursday, December 07, 2006 10:01 AM
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] Trim changes

 

Think I would be a little POed at the CD.

Lets see.  Insight is a wood roach; so I should use wooden evelator rods
with a bellcrank in the middle.  Anyone know how to make a slopp free bell
crank?  Gee and the step after this one in my build is the initial evelator
control rod setup.

Randy

--- d.pappas at kodeos.com wrote:

From: "Dean Pappas" <d.pappas at kodeos.com>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Subject: Re: [NSRCA-discussion] Trim changes
Date: Thu, 7 Dec 2006 09:48:52 -0500

Hi Bob, 

For that matter, even if the airplane was perfect in all regards, no trim
drift, the airframe didn't move a micron, etc., the plane would still need a
bit of UP trim on a hot day, compared to on a cool day.

As long as you only need to trim the elevator on a semi-regular basis, then
you have time during the free pass. It's when all three trims are out that
you are in trouble. (Like the time the time that the kid running the impound
messed up all my trims. Couldn't even yell at the little moron 'cause his
Dad was the CD! How did we survive before transmitter cases became
commonplace.

Dean

 

Dean Pappas 
Sr. Design Engineer 
Kodeos Communications 
111 Corporate Blvd. 
South Plainfield, N.J. 07080 
(908) 222-7817 phone 
(908) 222-2392 fax 
d.pappas at kodeos.com 

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Bob Richards
Sent: Thursday, December 07, 2006 6:14 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Trim changes

For that matter, the transmitter could be temp sensitive. However, if that
were the case, the other channels would likely be affected as well.

 

Bob R.



Jay Marshall <lightfoot at sc.rr.com> wrote:

Some servo electronics could be temp sensitive. Measure the elevator on a
cold morning then warm it up slowly with a heat gun (carefully) and see if
anything moves.

 


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