Stuart compound marine engine

[RICHARD GREEN 2Participant @richardgreen2]

[RICHARD GREEN 2Participant @richardgreen2]

Does anyone have an old set of drawings they could let me borrow for the small Stuart compound marine engine ,    3/4″ and 1 1/8″ bore x 7/8″ stroke ?

 

                                                                     Thanks

 

                                                             Richard

Edited By RICHARD GREEN 2 on 04/10/2010 17:52:24

[DustyParticipant @dusty]

Hi Richard

     I may be able to help you I will ‘pm’ you.

[Maurice Cox 1Participant @mauricecox1]

Hi Richard

         I can’t help with the drawings for the Stuart engine that you are after, but I did build the twin version many years ago, and there is a slight problem that I found, that would be common to both engines.

       The holes in the four corners emerge exactly in the internal corners on the underside. When tapping the threads, the tap fouls on the internal corner of the casting, pushing it away from the perpendicular resulting in the columns splaying out. If you have not already got to this stage, I suggest that you mount the bed upside down, and run an end mill down each internal corner, to make a clearance for the crests of the tap threads. Hope this may help.

 

Coxy 

[TerrydParticipant @terryd72465]

Hi Richard,

 

When I needed some Stuart drawings for a 10V when the originals were lost in a fire, I emailed Stuart and they sent me a copy by the next post.  Excellent service, worth a try.

 

Terry

[RICHARD GREEN 2Participant @richardgreen2]

Thanks Coxy and Terryd,

                                                  Dusty sorted me out with copies of drawings for the compound marine engine and for the reverse gear,

As usual I’ve got a few projects to finish before I start the marine engine but will get to it eventually.

I’ve started to build a Gardner hot tube gas engine, have a look at my photo’s and see what you think.

Thanks for that tip about the column threads Coxy,  you would think that after all the time these engines have been in production they would have sorted it out by now……………….

Anyway I’m sure everything will work out OK, and it is a nice looking engine as well.

I have made a Stuart 10H ( 1973 )  a 7A ( 1986 ) and a Major beam ( 2005 ) and had no problems with them at all.

After the Gardner I plan to build a large size ( 10″ – 12 ” ) boring and facing head.

 

                                                             Thanks,

                                                                    Richard.

[John CParticipant @johnc47954]

Hi All,

I too am after a set of plans for the Stuart Compound. If anyone can help I would be most grateful.

Thanks in advance,

John

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