This has already been done on a 912S powered Ban-bi. Its been flying for
almost a year and I know of no problems. If anyones interested the owner
might be happy to say what he did and how. Email me if you want me to ask
the owner. He sometimes monitors this group and may in any case send his own
comments.
Jerry
lts@avnet.co.uk
http://www.avnet.co.uk/touchdown
----- Original Message -----
From: James H. Nelson <europajim@juno.com>
Subject: More Electrical Power
> I can now say that it can be done. I've designed built and installed a
> 40A alternator that is crank driven at the rear of the engine. It fits
> in the space just behind the engine in the engine mount area. The
> alternator is rated at 40A at 6000 rpm. Since we can only get a max. of
> 5800 rpm, the max output would be around 37A to 38A. Most likely,
> cruise output would be around 30A to 33A. The unit weighs (all parts
> included) 9-1/2 lbs. The alternator weighs 6-1/2 # by itself. I won't
> be testing it until I get my bird flying the end of this year or early
> next year. But, everything looks real good. I am personally installing
> a dual alternator / battery electrical system. All my flight instruments
> will be electrical. I've just purchased a "china" built artificial
> horizon. It costs about 1/3 less than the certified version. Florida is
> just to hazy to not have one. They say there will be a dir.gyro to
> follow at the same price. Necessity is the mother of invention. Or in
> this case, I'm to cheep to buy the expensive stuff.
>
>
> Jim
>
>
|