Hi Ian
Just to add my 2 cents worth to Bob's. In flying the Rebel, I have found
that I often need all of the cross wind control I can get from the
ailerons/flapperons. There are a number of times that I wish that I had
more. I would NEVER want to reduce the effectiveness of the
aileron/flapperon combination for cross wind landings.
As an alternative to this, I would suggest strongly that you consider Angus
Mackenzie's STOL kit as a much more suitable alternative to split flaps.
There is no question in my mind that 1/ You need all the effectiveness of
the ailerons as I have just stated and 2/ that the only real problem you
have to watch out for is the serious sink rate that can develop if you are
either not watching your short final speed or are trying to reduce
intentionally your on final approach speed in order to keep the landing roll
out as short as possible. Item 2 is manageable, I am not trying to scare
you but when you are first starting to fly your Rebel, you must be well
aware that this can take place & could bite you under gusty landing
conditions.
I myself thought about the split flap idea while building but am very glad
that I listened to the people who are already flying their Rebels.
This is now a no-brainer for me. Forget the splits!
Don't you love these unopinionated Rebel builders/flyers!
Brian #328R
-----Original Message-----
From: Bob Patterson [mailto:
bob.patterson@canrem.com]
Sent: Sunday, December 17, 2000 7:45 PM
To: Murphy Rebel Builders List
Subject: Re: Wing assembly
Hi Ian !
Just a side-thought .... While you're building the flapperon
system, make sure you incorporate whatever you need to convert BACK
FROM split flaps to the original flapperons. EVERYBODY I know who
tried the split flaps has switched back to the flapperons - or wants to !
You end up with half the flaps (because the max. deflection stays
the same at 18 degrees), and half the ailerons ! Light, but lacking in
effectiveness for crosswinds .... The flapperons seem to work much better,
ESPECIALLY for float operations.
.....bobp
You ask : "Why do they sell the split flaps ??" - well, a bunch
of customers said - "<Cessna> did it, so it MUST be good. " !!
After all, they learned to fly on Cessnas ....
----------------------------orig.----------------------------------------
At 10:42 PM 12/16/00 +0800, you wrote:
G'day
I'm confused!
I am assembling the wing and I have the split flap option. The manual gives
details of the full span flaperons but makes no mention of assembling the
flaps.
I have used the template provided to set the ailerons, but I do not
understand just how the control horns(CC43) are asembled.
The manual says to assemble a CC43 onto the end plug and drill 8 #11holes,
and then temporarily bolt another horn onto the first one and drill a
further #11 hole near the end. As I then understand you rivet the first horn
on, and then bolt the second one to it.
Questions:
If the root control horn is riveted to the end plug first, does the second
horn just get bolted on over the rivet heads?
How do you manage to put a bolt in the centre of the horn, to hold both
together, when there is no captive nut and the parts are riveted together?
Should I put a captive nut in?
Why is the second horn not riveted to the first at the end plug?
I look forward to some help
Regards
Ian Donaldson
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=iso-8859-1" http-equiv=Content-Type>
<META content="MSHTML 5.00.2919.6307" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT size=2> G'day</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>I'm confused!</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>I am assembling the wing and I have the split flap
option. The
manual gives details of the full span flaperons but makes no mention of
assembling the flaps.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>I have used the template provided to set the ailerons,
but I do not understand just how the control horns(CC43) are
asembled.</FONT></DIV>
<DIV><FONT size=2>The manual says to assemble a CC43 onto the end plug and
drill
8 #11holes, and then temporarily bolt another horn onto the first one and
drill</FONT><FONT size=2> a further #11 hole near the end. As I then
understand you rivet the first horn on, and then bolt the second one to
it.</FONT></DIV>
<DIV><FONT size=2>Questions:</FONT></DIV>
<DIV><FONT size=2>If the root control horn is riveted to the end plug
first, does the second horn just get bolted on over the rivet
heads?</FONT></DIV>
<DIV><FONT size=2>How do you manage to put a bolt in the centre of the
horn, to
hold both together,</FONT><FONT size=2> when there is no captive nut
and
the parts are riveted together?</FONT></DIV>
<DIV><FONT size=2>Should I put a captive nut in?</FONT></DIV>
<DIV><FONT size=2>Why is the second horn not riveted to the first at the
end
plug?</FONT></DIV>
<DIV><FONT size=2>I look forward to some help</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>Regards</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>Ian Donaldson</FONT> </DIV></BODY></HTML>
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