[rebel-builders] O-360: keeping the front connected to the back
Posted: Sun Feb 19, 2012 3:56 pm
It's been a while now, but I have talked to Darryl about this before. It was
during one of our Wings Over Canada trips, and remember sitting on the dock
in front of my plane one evening with a few beers and talking about the
Rebel and it strengths and weaknesses.
He wasn't concerned about the wings, but more about gusts and high speed
with the tail. I can't remember specifically talking about the 360 and
bigger engines then, but do remember talking about over gross and the tail.
He didn't say it was a problem, but just that it was not designed for the
higher loads, and not tested. His position simply is that is why he designed
the Elite and Super Rebel.
Since my speeds will be much lower with on a floatplane, I will not be
pushing those limits.
Walter
-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Ken
Sent: Friday, September 28, 2007 6:39 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] O-360: keeping the front connected to the back
If there is concern I wonder if it would be a good idea to use a 3 blade
prop? Smaller pulses of air and they wouldn't hit both sides of the
horizontal stab simultaneously like with a 2 blade.
I also wonder if the concern is the amount of power and weight or just
going too fast and whether Vne is calculated, guessed, or tested for in
some way on a Rebel?
Ken
bransom@dcsol.com wrote:
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during one of our Wings Over Canada trips, and remember sitting on the dock
in front of my plane one evening with a few beers and talking about the
Rebel and it strengths and weaknesses.
He wasn't concerned about the wings, but more about gusts and high speed
with the tail. I can't remember specifically talking about the 360 and
bigger engines then, but do remember talking about over gross and the tail.
He didn't say it was a problem, but just that it was not designed for the
higher loads, and not tested. His position simply is that is why he designed
the Elite and Super Rebel.
Since my speeds will be much lower with on a floatplane, I will not be
pushing those limits.
Walter
-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Ken
Sent: Friday, September 28, 2007 6:39 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] O-360: keeping the front connected to the back
If there is concern I wonder if it would be a good idea to use a 3 blade
prop? Smaller pulses of air and they wouldn't hit both sides of the
horizontal stab simultaneously like with a 2 blade.
I also wonder if the concern is the amount of power and weight or just
going too fast and whether Vne is calculated, guessed, or tested for in
some way on a Rebel?
Ken
bransom@dcsol.com wrote:
I forget what I think you mentioned quite a while back...what altitude is
it you are hoping for the the bigger engine? I've got alpine lake interest
too living next to the Sierras, but have supposed I probably have to just
forget about it up there.
WRT tail strength, that Fus-30 doubler has got to help as it it ties into
the rear channel of the vertical stabilizer, so although it is required for
the side loads from the tail wheel on rough ground, it's benefits probably
go further in keeping the vertical stab on with a bigger prop wash. I also
thought when doing my tail section that it wouldn't be hard to add another
1/2 circle piece where the front of the vertical stab ties in with those 9
3/8 rivets.
...not to imply this is engineering.
-Ben
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