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Unknown 2-stroke pre WW I

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reedspeed
New member
Username: reedspeed

Post Number: 1
Registered: 12-2009
Posted on Thursday, December 17, 2009 - 10:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I recently aquired an old single cylinder 2-stroke marine engine.The bottom half of the crankcase which also serves as the area for the 4 mounting bolts is broken on one side where two of the mounting holes were. I do not have the broken off pieces. Would using mild steel and low temp nickle/ bronze gas welding rod work for
a repair. The engine is rather crude in it's casting finish so I do not think it would be hard to hide the repair. If I had some flat cast iton plate I would use it but I don't. Any help would be appreciated.

Jim Reed
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john_archibald
Senior Member
Username: john_archibald

Post Number: 123
Registered: 08-2006


Posted on Thursday, December 17, 2009 - 11:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I've used pure nickel in these kind of cases with a TIG torch. Also, silver solder will work ( 90% Ag, 10% Cu ) or close to that.
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scott_n
Senior Member
Username: scott_n

Post Number: 125
Registered: 02-2008
Posted on Thursday, December 17, 2009 - 05:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

you can get iron bar from Mc-master car on line.
I like to weld iron with stick or mig your local welding supplys place can help
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narrau
Member
Username: narrau

Post Number: 13
Registered: 02-2008
Posted on Thursday, December 17, 2009 - 06:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

when scott says i like to weld iron, does he mean cast iron also? if so any more guidance would be appreciated
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scott_n
Senior Member
Username: scott_n

Post Number: 126
Registered: 02-2008
Posted on Friday, December 18, 2009 - 08:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Yes cast iron but we could talk about for days try to post more info letter
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scott_n
Senior Member
Username: scott_n

Post Number: 127
Registered: 02-2008
Posted on Friday, December 18, 2009 - 04:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

the wire is 70/40 mig the patch is black iron pipe pre heat 200 and weld small spots at a time until you cover it all also their was a crack inside good luck



and that is after you remove the salt



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robert
Senior Member
Username: robert

Post Number: 314
Registered: 07-2003
Posted on Sunday, December 20, 2009 - 03:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Very interesting method and impressive work. Would be nice to hear more details when you have time.

Especially how you prepare the casting/remove the salt etc.
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scott_n
Senior Member
Username: scott_n

Post Number: 128
Registered: 02-2008
Posted on Monday, December 21, 2009 - 04:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

hear is the running engine


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john_archibald
Senior Member
Username: john_archibald

Post Number: 124
Registered: 08-2006


Posted on Monday, December 21, 2009 - 05:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

It's an Atlantic Twin, the only engine with a heart! Note the heart shaped holes in the flywheel.

Archibald
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scott_n
Senior Member
Username: scott_n

Post Number: 129
Registered: 02-2008
Posted on Tuesday, December 22, 2009 - 09:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

You got it it's now up and running just a little more fusing with the timing. 8HP note the lunenburg carburetor
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john_archibald
Senior Member
Username: john_archibald

Post Number: 126
Registered: 08-2006


Posted on Tuesday, December 22, 2009 - 10:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Scott,

I've got one just like it, but not yet restored. There is still hope.

Archibald
Northfield, Minnesota
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john_archibald
Senior Member
Username: john_archibald

Post Number: 127
Registered: 08-2006


Posted on Tuesday, December 22, 2009 - 10:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Scott,

Can you make a one or two minute video clip of the starting procedure with it running for a bit and stick it up on YouTube, please?

What an inspiration!

Archibald
Northfield, Minnesota
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scott_n
Senior Member
Username: scott_n

Post Number: 130
Registered: 02-2008
Posted on Wednesday, December 23, 2009 - 10:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Sorry I have not figured out how to work U-tube yet but hope to heave the engine running at my show in 2010
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john_archibald
Senior Member
Username: john_archibald

Post Number: 128
Registered: 08-2006


Posted on Wednesday, December 23, 2009 - 10:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Scott,

If you can get a short video clip of the engine on a CD or a DVD, you could mail the disk to me and I could put it up on YouTube for you. Most of the small digital still cameras take video with audio in a format called mpeg. That will work perfectly for YouTube.

YouTube is very easy to do. First you "join" and sign up. Then you just Upload your video file to the site. Bingo, you're done.

Archibald

.
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scott_n
Senior Member
Username: scott_n

Post Number: 137
Registered: 02-2008
Posted on Wednesday, January 27, 2010 - 04:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I think we got a U Tube video of the Atlontic running look fore Mystic seaport's Atlontic or I will try to get the link. we still got some timmer work to do Scott
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scott_n
Senior Member
Username: scott_n

Post Number: 138
Registered: 02-2008
Posted on Tuesday, February 02, 2010 - 04:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

John the video clip is up look up Lunenburg foundries Atlantic twin cylinder 8HP gasoline
Let me know if it worked Scott
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john_archibald
Senior Member
Username: john_archibald

Post Number: 134
Registered: 08-2006


Posted on Tuesday, February 02, 2010 - 07:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Scott,

Yes, it was glorious. Loved the "approved" starting method. I've yet to try that with my single 8 Hp Acadia, but will!

Here's the link:

http://www.youtube.com/watch?v=Mg8W6gYTXR4

When you get the timing figured out, make another video clip by all means!

Great stuff.

Archibald
Northfield, Minnesota
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scott_n
Senior Member
Username: scott_n

Post Number: 139
Registered: 02-2008
Posted on Wednesday, February 03, 2010 - 10:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

John we will probably not get to kick it over until the show in august and I hope their will a lot of camera's around. Thanks for posting the link for us. Scott

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