I have been running one of these for 5 + years and 300 hours.
It puts out ALOT of heat, is relatively light, not too bad a price and has built in ducting for defrost or remote heating.. And I fly in - 20f weather quite often.
I did try to build a DIY unit but found a muffin fan doesn't like to push or pull air through a finned radiator. it takes a squirel caged fan to produce enough static pressure to get good air flow. By the time I would have bought all the needed componants this one made financial sense..
YMMV.
--- On Wed, 12/16/09, Thomas Mann <tmann@n200lz.com> wrote:
From: Thomas Mann <tmann@n200lz.com>
Subject: [FlyRotary] Re: Cabin Heat (Was Oil Cooler)
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Date: Wednesday, December 16, 2009, 12:38 PM
> I have a 7” x 7” heater core, and it puts out at least 1500 watts, or more. <
Al,
I too am in the process of installing a rotary in a canard. I have looked at putting the heater core in the ‘hell hole’ and ducting the heated are to where it’s needed. My plane is a little different in that it has two 2 inch ducts running down each side already that I can tap into.
What I’m wondering is do I really need a fan?
I’m thinking I could catch air via an NACA scoop and use that instead of a blower.
Now I know that the source is going to be cold air but when I run my heater in my truck on a 20 below day here in the wonderful state of Nebraska, the source air is from the outside and it heats up just fine.
I like the Idea of keeping anything electrical out of that location if it is possible while at the same time shortening up the lines to the core.
T Mann
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