Borer Prop for Rebel on Floats

[Wayne G. O'Shea]

Probably pretty close Bruce! I don't remember what gauge it was made out of
but by estimation the cuff has to be at least a 16" piece of aluminum
(likely wider) and there's 24' of it. That's a minimum of 2/3rds of a 12'
sheet of aluminum. Therefore if it's .020 = 9lb, .025 = 11.3lb, .032 =
14.7lb for the cuff skin, then add a few pounds for rivets, the foam ribs
and adhesive. Add to that as well the wing fences made out of .063"? (I
believe) are good for 3 lbs/set.

Wayne

----- Original Message -----
From: <Legeorgen@aol.com>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, November 12, 2003 7:08 PM
Subject: Re: Borer Prop for Rebel on Floats

The STOL kit can't weigh that much. It's only like an extra layer of

leading

edge skins. Well, maybe it can act as the thicker Elite leading edge and
increase the gross to 1850 lb. Unofficially of course.

Bruce

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[Wayne G. O'Shea]

82" McCauley Borer Prop through Cub Crafters is $2895US !

There are cheaper sources than CCrafters, but don't think any lower than
$2500US.

I am also told that the Quality Control coming out of McCauley on these is
so poor that the first thing you do when you recieve your new propellor is
send it to your local prop shop for pitch check and balance, as they don't
seem to get the two blades the same at McCauley!!

Wayne

----- Original Message -----
From: <mike.davis@dcsol.com>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, November 12, 2003 1:29 PM
Subject: Re: Borer Prop for Rebel on Floats

There's a picture on the MAM web site somewhere of a Rebel sitting on a

frozen

lake in Alaska titled "one tired Rebel"... it has 29" baloon tires on it.
That Rebel was up here in North Pole this summer, or was it last...

anyway, he

had an 81" prop on it, and from the stories he shared with me did not have
trouble with it in the bush with those big tires. Apparently with that

prop

on it he routinely showed up his supercub driving friends. I think he

said he

cruised around 90 mph.

Mike

On 11/12/2003 9:25 AM, MURPHY-REBEL@DCSOL.COM wrote to MIKE DAVIS:

That's why the cub guys run 29 and 31" Bushwheels, to get it up out of

the

grass (in addition to 3" and 6" gear leg extensions!).
Wayne

----- Original Message -----
From: "Walter Klatt" <walter.klatt@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Tuesday, November 11, 2003 9:32 PM
Subject: RE: Borer Prop for Rebel on Floats

The Borer's for the 0320 are generally about 82 X 41 or 42. It's
that extra diameter that provides so much extra thrust for
take-off which is what you want on floats. There is a trade off,
of course, and that is less cruise. However, since float planes
are slower anyways, the difference isn't always that much. You
might have to turn 2450 instead of 2350 to get 65 % power and
still get almost the same cruise. That's what I'm trying to find
out. However, there must be a good reason that so many Supercubs
on floats with the 0320 use this prop.

I am not sure I would want to use this prop on wheels, though,
unless you wanted to use it to mow your runway grass.

Walter

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[Legeorgen]

For $2900 US I would think the McCauley prop would be balanced and pitched
correctly! Maybe Cub Crafters checks the balance and pitch before they sell it?
It wouldn't hurt to ask them to.

Bruce



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[Wayne G. O'Shea]

Nope! Seems to be a common complaint among the SC guys that after the
purchase from any of the OEM dealers they end up sending the props to a prop
shop to get both blades the same. I didn't think McCauley could be that
careless about it, but it's not just one guy complaining.

Wayne

----- Original Message -----
From: <Legeorgen@aol.com>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, November 12, 2003 11:32 PM
Subject: Re: Borer Prop for Rebel on Floats

For $2900 US I would think the McCauley prop would be balanced and pitched
correctly! Maybe Cub Crafters checks the balance and pitch before they

sell it?

It wouldn't hurt to ask them to.

Bruce

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