By: Arabella-Cox - 17th August 2014 at 20:34
I missed the Sth Australia bit!
Good luck with the project. Perhaps you could post a few photographs of it as you progress?
Anon.
By: jeep1943 - 17th August 2014 at 03:37
Thanks Anon.
The engine is located in Sth Australia and is off an ex-RAAF Mariner.
We should have access to a spare C47 or two that we can use as a start anyhow.
By: Arabella-Cox - 16th August 2014 at 19:25
Hello jeep1943,
The Martin Mariner was fitted with three or four-blade Curtiss Electric propellers though it would be possible to fit any SAE 50-spline propeller if it was only intended to ground run the engine. B-25 Mitchell used the same type of engine as did the Douglas Boston – both used in the UK.
SAE 50-spline hubs were a very common size both during and after WW2 so it shouldn’t prove too difficult to locate one, if it’s not a flyer. However, SAE 50-spline Curtiss hubs were less frequently used over here, the predominant design being the Hamilton Standard hydromatic (hydraulic) hub, which was used on B-17, DC-3/C-47, B-25, A-26, Douglas Boston and many other types.
You may be lucky and find a Curtiss hub but you are more likely to be able to obtain a HS hub unit. Blades are also easier to find and stripping down is so much easier with the HS hubs too.
Your engine sounds interesting, it would be great to hear it running. Do you have any pictures you can post?
What’s the story?, what’s an ex-US Navy flying boat motor doing in the UK?
I may be able to help with a prop. PM me if interested.
Anon.
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August 16, 2014 at 12:43 pm