REFLECTOR: Tractor vs Pusher props
Tom Martino
tmartino at troubleshooter.com
Thu May 26 22:28:48 CDT 2005
I'm sorry, I read the following and assumed the prop was 68" ... maybe
a misprint!
>Propeller for Std. Velocity RG
>68" Diameter x 105" Pitch
>TSI0-520 325HP at 2700PRM
>Top Speed at Target RPM- 255mph at 2500rpm
-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Scott Derrick
Sent: Thursday, May 26, 2005 8:35 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Tractor vs Pusher props [heur]
My current Catto is 64, and there is plenty of room.
It looks to me that a reduction in ground clearance of 2 inches won't
matter that much. I taped a 2 inch stick to the prop and then lifted
the nose up. You have to be at a ridiculous angle of attack to hit the
prop. I will probably see a bit more abrasion on the tips but thats
easy to deal with.
Craig said for performance, especially at low speeds the extra 4 inches
in diameter will help a lot. I can always trim it down if I feel its
too long.
Scott
Tom Martino wrote:
>Scott,
>
>My original MT Prop is 164 mm or 64.5 inches. Do you find 68 inches a
>bit long? Have you checked for ground clearance?
>
>I am thinking of buying one.
>
>Tom
>
>-----Original Message-----
>From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
>Behalf Of Scott Derrick
>Sent: Wednesday, May 25, 2005 8:17 PM
>To: Velocity Aircraft Owners and Builders list
>Subject: Re: REFLECTOR: Tractor vs Pusher props [heur]
>
>All this talk of props, I just got word from Craig that my new prop is
>shipping!!
>
>Propeller for Std. Velocity RG
>68" Diameter x 105" Pitch
>TSI0-520 325HP at 2700PRM
>Top Speed at Target RPM- 255mph at 2500rpm
>
>Man that is a lot if pitch!!
>
>Scott
>
>
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