[SEL] hercules question

[Lyndsay Frazer]

Hi Jim,
          I find most of the smaller Hercs are very noisy in the gear train. 
On my one and a half hp I had a new governer and crank gear cut but it was 
still fairly noisy. I decided the only way out was to make an accentric cam 
gear pin which I could rotate to bring the gears into better mesh. This 
helped a fair bit but I think it would have been better to get a cam gear 
cut as well but the cost for me was prohibitive.
        At a Rally with all the other engines running you don't really 
notice the rattle; it's when yours is the only engine going that it is a 
very noticeable. I would certainly make a new cam pin though to get rid of 
the vibration there.
        It also sounds like that new governer gear may not be quite right.

Regards,
Lyndsay in Oz.





>From: Jim French <fbi at insulate.co.uk>
>Reply-To: The SEL email discussion list <sel at lists.stationary-engine.com>
>To: Stationary Engine List <sel at lists.stationary-engine.com>
>Subject: [SEL] hercules question
>Date: Thu, 03 Jun 2004 22:11:42 +0100
>
>Hi all
>After dinner I had a little play with the 3HP Hercules and from when I
>last ran it (New Year Crank-up) the gear meshing sound is very loud.
>Last year at Portland I bought a new govenor gear and this gear seems to
>sit too far away from the middle timing gear and chatters big time!
>There's a stuffer greaser which feeds the middle timing gear and when
>the engine is turning, you can feel the ratchetty meshing of the cogs
>through the greaser shaft.  I thought it was all the slop between the
>govenor gear but the vibration is from the middle (timing) gear.
>Are these engines niosy on the gears?
>Any info or opinions greatly appreciated!
>
>Jim
>--
>Jim French
>fbi at insulate.co.uk
>http://www.insulate.co.uk
>
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