[SEL] Bamford OV Engine Speed Governing

[Arnie Fero]

Andy,

Thanks so much for the detailed and spot-on advice!!
And Roly, thanks so much for the referral!!

We did this on the rally field today and it worked a treat.  We were able to slow
the engine down below mid-range and the pumping is not nearly as vigorous but still
moves a great deal of water.

Thanks again!!

Arnie

On Tue, August 24, 2010 10:40 am, Andrew Milestone wrote:
>
> Arnie,
>
> On the cranshaft, starting handle side, there is a heavy tin cover fitted to the
> flywheel boss. This cover needs removing to reveal two adjusting screws. To increase
> speed turn clockwise, to reduce speed turn anti-clockwise. One full turn of both
> screws alters the engine speed by approx 25 RPM.
>
>  If there is not sufficient adjustment this way then from experience the other way
> is more drastic. Measure the distance from the end of crank to the flywheel. Remove
> the key and slide the flywheel about 1/16" to 1/8" towards the end of the crank. Be
> carefull not to go to far or the tensioners will fall out of the flywheel. Refit
> the key and try running the engine again.
>
> If all the above fail the only option left is to put a slight bend in the vertical
> control rod to close the butterfly.
>
> The tensioners consist of a part hollowed dowel (on show inside edge of the
> flywheel), compression spring, small dowel and then the adjusting screw.
>
> Hope this helps.
>
> Regards
>
> Andy
>
>
>> From: roland at petternut.co.uk
>> To: milestones_a at hotmail.com
>> Subject: Fw: Bamford OV Engine Speet Governing
>> Date: Tue, 24 Aug 2010 14:25:19 +0100
>>
>> Andy
>> I hope you can help Arnie please. If you can, please reply directly to him.
>>
>> thanks
>> Roland