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Elite floor mounted flap handle - Hydraulic Pump location -

Converted from Wildcat! database. (read only)
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Wayne G. O'Shea

Elite floor mounted flap handle - Hydraulic Pump location -

Post by Wayne G. O'Shea » Sat Feb 18, 2012 10:13 am

Bob, as I've told a few others...not going to get in to the complete system
lever/bellcrank ratio, handle detent angles, locking mechanism etc. You'll
have to figure that all out on your own to suit what ya build. All I can
tell you is that it added about 90 hours to my build time. Mechanism goes
aft off an arm on the end of the lateral with another push/pull tube running
under the existing aileron tube. It attaches to a bellcrank that is attached
to a small connector that raises and lowers the end of the mixer arm. I
think the Elite reverses the mixer arm compared to the Rebel...so you'd have
to take it further back than I did if that's so.

As for the pump. I thought it was a great place. Already had one handle
there, why not another. Made plumbing compact with all hard lines..although
it is a good reach for the handle. I'm sure it will work great for the 1800
amphibs as they are cycled unloaded in the air or water after going down a
ramp. Takes no more than 100 psi to lock them in place and much less during
the movements. I had to cut the pump handle off slightly to clear my dash
extension and fire extinguisher. To cycle my hydraulic skis on the ground it
takes around 250 psi when the plate is trying to lift the tire and the tire
is still on dry ground. Once it picks the tire up much easier and in the air
maybe 20 psi max. This ground cycling is a work out and I have a handle
extension that slides over the original handle. This gives me good leverage,
but I have to be really careful as it goes right between the throttle and
mixture verniers (hitting the mixture in is no big deal..throttle MUCH
different story). I also have a fair number of strokes when the handle is
extended as I hit the panel before about 1/2 stroke on the pump.

One other thing I have noticed, and I'm posting as a caution to others, that
really amazed me is pressure changes in my leak proof system. Maybe it's the
newer style check valves with no bleed through...but I've never seen the
pressure raise on it's own, like mine is, on any other Rebel on Amphibs. I
know of maybe 400 psi on a 100*F day, but not this high....especially
at -10*C. Maybe why others have blown off their plastic lines on amphibs.
Went to go flying yesterday for a video shoot to do a SIMULATED crash scene
(almost made it real!) for my daughter and her University New Media course.
I had 100 psi on the cylinders to hold the plates out....wheels down. I had
the engine heater on and pushed the airplane into the sun (to warm the
cabin) and left it for about 3 hours while she filmed things in reverse
order, first with me crashed and unconscious in the Lark 100 Commander I
sold Monty the yoke system out of. I came to, grabbed my flight bag..tried
to walk a bit and determined the best bet was to fire off a Sure-Find rescue
ribbon (man do those suckers go up!) and get back in the airplane to wait
for help. My son came along on a snow machine a short while later and all
was fine. We then went to film the rescue ribbon across the trees and I
found the pressure gauge for the hydraulics was wrapped around to about
750psi!!. Must be the black aeroquip hydraulic lines that warmed enough in
the sun to boost the pressure. Good thing I did all hard lines and aeroquips
to the cylinders!! We did that flight, I dropped her off and then went back
up and she filmed me dropping behind a stand of trees with some banking and
cranking to look like I was going in. We did this about 5 times to get a
good shot..but were working tailwind and for those that have flown the Rebel
with full flaperons can confirm.....20degrees of flaperon down and a hard
rudder to the floor while being pushed by a tailwind can be somewhat
INTERESTING to get the airplane going straight again for the overshoot and
climb back out over the forest. Almost added some sticks to the wood pile!

(as you can see..unfortunately yah say...I'm getting back to normal again!)

Cheers,
Wayne

----- Original Message -----
From: "Bob Andrews" <robert@montanasky.us>
To: <rebel-builders@dcsol.com>
Sent: Thursday, February 24, 2005 11:48 AM
Subject: RE: Elite floor mounted flap handle

Ditto on the login ...

Wayne, from the flap handle lateral tube that goes to the left side, did
you
go aft from the horn with a pushrod or Teleflex (along side the aileron
pushrod)... to the mixer? Also, I was wondering where to mount the hand
pump for the gear ... not any more, looks real good right there next to
the
flap handle ... :-))

Bob e612



-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Thursday, February 24, 2005 9:32 AM
To: rebel-builders@dcsol.com
Subject: Re: Elite floor mounted flap handle


I can answer that myself as I just tried...you have to sign in as I
clicked
the link and it asked for my password etc.

Wayne
----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <rebel-builders@dcsol.com>
Sent: Thursday, February 24, 2005 11:26 AM
Subject: Re: Elite floor mounted flap handle

Wonder if you need to be signed into the builders site first? Anybody
else
have a problem clicking and not getting anything.

Wayne

----- Original Message -----
From: "Bob Patterson" <beep@sympatico.ca>
To: <rebel-builders@dcsol.com>
Sent: Thursday, February 24, 2005 11:15 AM
Subject: Re: Elite floor mounted flap handle


Hi Wayne !

This is strange - I get an error saying

Locked