REFLECTOR: Moving my roll servo.

[Scott Derrick]

OK, OK!  I'll snap some pictures today.  Though the props not
installed.  Its on its second mod by Catto to get the static RPM right.

I'm just finishing the micro for my modified upper cowling as it needed
to grow a bit to fit around the 520.

Hopefully starting on the lower cowl today, though there is the servo,
speed brake, gear leg seals, wing rigging, nose gear door fit test,
transponder antenna, ect, etc, etc,

Scott

victor taylor wrote:
> Scott,
>  
> How about a picture of that 520 on the back of a standard fuselage.
> Sounds fast!
>  
> Victor Taylor
> Velocity 93DV
>
> --- On *Fri, 6/12/09, Scott Derrick /<scott at tnstaafl.net>/* wrote:
>
>
>     From: Scott Derrick <scott at tnstaafl.net>
>     Subject: REFLECTOR: Moving my roll servo.
>     To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>     Date: Friday, June 12, 2009, 9:55 PM
>
>     Yesterday I was finally re-installing the roll servo, which means that
>     the wings are finally back on and it starting to look like a plane
>     again! Because the 520 is so close to the firewall, for cg reasons, I
>     knew it was going to be tight.  With the IO360 there was a plethora of
>     space.
>
>     There turned out to be just enough room on the fire wall with a fairly
>     straight shot for the linkage arm, maybe 7-8 degrees of slant. 
>     But, the
>     proximity of the firewall to the engine makes maintenance and
>     inspection
>     a  truly aerospace like experience.  Now that the plenum is on its
>     really getting tight back there.
>
>     I realized that installing the servo on the firewall in the only spot
>     left almost completely  blocked  access  to the accessory case
>     from the
>     pilot side. A similar situation would exist on the copilot side.  In
>     fact I would have to remove the servo to change the oil filter! 
>
>     I played with a couple of ideas about making a quick removal kind of
>     mount for the servo but after some thought figured that was a bad
>     idea.
>     Last thing I want is to have a major component of the roll control
>     system being R&R'd on a regular basis.
>
>     I remembered that  somebody had mentioned installing the roll servo
>     behind the back seat!  Hmm...   I played with that by setting the
>     servo
>     in various places  and realized  that it would work.   I would loose
>     some feet room, but  that back seat  area is the roomiest part of the
>     whole airplane.
>
>     I found some pictures posted by Doug Holab that showed a nice clean
>     installation of the servo in that area.
>
>     Doug,  is that working out?
>
>     Anybody else mount their servo in the back seat area?  Have any
>     recommendations or gotchas about that?
>
>     Another big gain for me in moving it forward is cg. No matter how
>     much I
>     move forward I'm sure I'm looking at some dead weight in the nose
>     to get
>     the cg where it needs to be.  But any little bit helps and those
>     servos
>     are heavy!
>
>     Scott 
>     >
>
>
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