Flying Hi - Wish I was
jerry@flyinghi.demon.co.uk
http://www.avnet.co.uk/touchdown
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> From: David Watts <dwatts@ns1.avnet.co.uk>
> Subject: Re: Callibrating Engine RPM
> Date: 05 October 1997 21:35
>
> >The optical tachos are unfortunateley a little more than 50 pounds.
> >If someone wants to borrow mine at any time, ie drop round and collect
it
> >and bring it back the next day then that's fine.
> >Jerry - Lyndhurst near Southampton
>
> Nobody seems to have mentioned yet that you can get optical tachos that
work
> with either 2 or 3 blade props from model shops. These are usually
available
> for around 25 pounds sterling.
> Dave Watts 229.
Trouble is they are not accurate enough for the reletively slow rpm of a
912 prop.
>
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