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Date: Sun, 20 Apr 2008 22:37:07 -0400
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From: "genemartin" <genemartin@enid.com>
References: <list-2863294@logan.com>
Subject: Re: [LML] Prop diameter
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Peter  what is your blade part number. My 320 blades are F7663A-4 ....this 
was the recommended prop in the early 1990s   # indicates basic prop of 
76" -4" =72"  this was standard from Hartzell.
Gene Martin
----- Original Message ----- 
From: "Fly_fast" <air.peter@googlemail.com>
To: <lml@lancaironline.net>
Sent: Saturday, April 19, 2008 2:06 PM
Subject: [LML] Prop diameter


> Hello all,
> I am building a 360 MKII and got an used Hartzell 2 blade prop, normally 
> used for an IO360 with 76" of diameter. It is recommended to shorten it to 
> 70" to 72".
> What arebyour experiences with prop diameters, independently of 
> manufacturer?
> Disregarding recomendations due to engine vibrations, my biggest concern 
> is prop clearance.
> As every inch counts for efficiency, I do not want to pay for (often) 
> repairs after ground contact.
> Any hints (getting more clearance...) and recomendations are highly 
> appreciated.
> Thanks in advance,
> Peter 360 MKII, 90%
>
>
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