From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: [FlyRotary] Re: K&M and Thick Radiators
To: flyrotary
Date: Mon, 08 Dec 2003 10:41:39 -0500
Message-ID: <web-2881750@logan.com>
In-Reply-To: <002301c3bd17$2fd56ec0$0000a398@Carol>
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Posted for "sqpilot@earthlink" <sqpilot@earthlink.net>:

> Ok, Paul.  Based on my back of the envelope calculations at a fuel burn of
> 8.5 gph with that size radiator, you would need an airspeed of around 142
> mph to provide adequate air mass flow.  

  Hi, Ed.....the aircraft should reach rotation speed of 90 mph hopefully by
mid-field (1500 feet), and right after rotation and gear retraction, you set
up for a 120 mph climb.  Sounds like I need to re-figure to get a radiator
that might cool at 120 mph in a climb. George Graham, whose aircraft is very
similar to mine, said he can take off and climb at 1/2 throttle. Don't yet
know what rpm that turns out to be, or how much horsepower.  I'll keep
plugging away at this until I find a reasonable "starting" size for my
radiator.  I've already collected 3 intake manifolds.....don't want to start
collecting radiators. I will leave that to Rusty.   Thanks again for your
valuable input.  Paul Conner