-Sorry Guy's, Brain Fart! Still, I know of two that have failed.
Makes me nervous....Ron-- In Q-LIST@..., "Peter Harris"
<peterjfharris@...> wrote:

Ron as I understand your first post you will be running a 2:1

reduction so

that 5500 engine rpm will correspond to 2750 prop rpm which is

fine. The

prop will start to lose efficiency above 3500rpm. Running 5500

prop rpm is

not for happy props.

Peter



_____

From: Q-LIST@... [mailto:Q-LIST@...] On

Behalf Of

Ron Weiss
Sent: Saturday, 3 June 2006 2:56 PM
To: Q-LIST@...
Subject: [Q-LIST] Re: prop size?



--I'm not comfortable with a wood prop spinning so quickly on a

165

hp. at 5500 rpm's. Besides, my two closest quickie buddies both
through wood props! Both are here to tell their stories, but, I'm
not willing to take that chance....Ron- In Q-
LIST@..., "JohntenHave" <johntenhave@> wrote:

Ron,

I second Peter's comments and unless you have an overpowering
predjudice against natural composites, suggest that you consider

the

following :

Gyroscopic loads

post propstrike consequences

chances of getting the prop exactly right first try

repairability away from home

ability to fabricate replacements



John












--- In Q-LIST@..., "Peter Harris" <peterjfharris@>

wrote:

Ron why no wood props? They seem to be the most used.

Peter



_____

From: Q-LIST@... [mailto:Q-LIST@...] On

Behalf Of

Ron Weiss
Sent: Friday, 2 June 2006 5:56 PM
To: Q-LIST@...
Subject: [Q-LIST] Re: prop size?



--Thanks Leon,I'll let you know if I need anymore info....Ron-

In Q-

LIST@..., "Leon - C" <leon@> wrote:

Run the numbers through David Gall's Excel sheet for props.

I'm

sure it's posted some where - maybe even on his site. If not

I

can

E-mail a copy.

Assuming 165 mph = 84 inch pitch and 76 inch dia.
==============
Leon
----- Original Message -----
From: Ron Weiss
To: Q-LIST@...
Sent: Thursday, June 01, 2006 8:39 PM
Subject: [Q-LIST] prop size?


Does anyone have a suggested size prop I should run on a

Subaru

EJ 22,

165hp. at 5500rpm. 2 to 1 reduction. No pure wood props

please....Ron

Quickie Builders Association WEB site
http://www.quickiebuilders.org





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