[SEL] Blackstone progress

Glenn Karch glenn.karch at verizon.net
Wed May 9 19:44:58 PDT 2007


My 4 HP Atlas engine has dual flywheel keys.  Maybe I can post a picture.

Glenn Karch
Hercules Historian
Haubstadt, Indiana, USA
----- Original Message ----- 
From: "Jim and Diane" <jd.kirkes at verizon.net>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Saturday, May 05, 2007 6:07 PM
Subject: Re: [SEL] Blackstone progress


> The dual diagonal keys have a much higher shear strength and were many 
> times
> used in situations that were bidirectional.  Probably an overkill for a
> small engine but nevertheless a first class, and quite expensive, way of
> doing the job.
>
> Jim
>
> Jim and Diane
> Hemet, CA , U.S.A.
> jd.kirkes at verizon.net
> ----- Original Message ----- 
> From: <rdhaskell at juno.com>
> To: <sel at lists.stationary-engine.com>
> Sent: Saturday, May 05, 2007 2:33 PM
> Subject: Re: [SEL] Blackstone progress
>
>
> Hi Jerry.
> I don't know much about Blackstone engines, maybe someone can tell us why
> they cut the key ways the way they did.
>
> Ron Haskell
> rdhaskell at juno.com
> Riverside, California
> USA
> http://albums.photo.epson.com/j/AlbumList?u=3009370&f=0
>
> On Sat, 05 May 2007 19:52:38 +0200 Jerry Evans <jerrye at databak.co.za>
> writes:
>> Hi Ron,
>>          Thanks for sharing the experience and expertise. I admire
>> your
>> ingenuity and perseverance.
>> My puller would never have got those out in it's present form !
>>          As someone else mentioned - strange that the keys were
>> inserted
>> diagonally - is there an "engineering reason" for this or maybe a
>> "manufacturing reason" ?
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