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Antique Gas Engine Discussion

Cushman "c" questions


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Old 01-12-2005, 01:22:38 AM
Joe Selkregg Joe Selkregg is offline
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Default Cushman "c" questions

I recently aquired a 4hp Cushman binder engine and have questions reguarding it's cooling system. This engine has a small (10") cooling fan driven by a narrow flat belt from the magneto drive and a cast iron fitting for the top water outlet with a rectangular flat upward opening like it is supposed to work with some type of header tank or hopper. This opening is just above the fan. Did this engine use some type of radiator instead of the usual screen cooler? Would circulation have been by convection? There is no water pump present. (missing?) Any information or photos would be highly appreceated!

Thank you!

Joe S.
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Old 01-12-2005, 01:41:16 AM
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Zach Williams Zach Williams is offline
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Photo Re: Cushman "c" questions

Some Cushman's had radiators on them. They were special order only though for jobs that had an excess of dust and dirt.

Here is a photo from an original Cushman catalog on my site.

Check out the link for the rest of the catalog. Cushman Sales Document
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Old 01-12-2005, 02:36:37 PM
Orrin Orrin is offline
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Default Re: Cushman "c" questions

One of the fellows in our club has a Cushman "C" equipped with a radiator. It's a cute little rascal.

Orrin
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Old 01-12-2005, 07:27:13 PM
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Default Re: Cushman "c" questions

Here's a terrible picture of one.
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Old 01-13-2005, 11:44:16 PM
DaveHo DaveHo is offline
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Default Re: Cushman "c" questions

I have a Cushman binder engine and i would like to know how other owners start theirs. Do you use a crankor pony motor? Ihave a heck of a time getting mine going Thanks Dave
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Old 01-13-2005, 11:45:20 PM
DaveHo DaveHo is offline
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Default Re: Cushman "c" questions

I have a Cushman binder engine and i would like to know how other owners start theirs. Do you use a crank or pony motor? Ihave a heck of a time getting mine going, Thanks Dave.
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Old 01-14-2005, 09:06:34 AM
Orrin Orrin is offline
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Default Re: Cushman "c" questions

I start my Cuchman by flipping the flywheel by hand. Now that I have the routine down pat it usually fires the first time around.

If you're having difficulty, I suspect you are not opening the compression relief petcock. There should be a petcock on the side of the cylinder. It is a compression release. Open it up for starting. Then, as soon as the engine fires, close it off.

Orrin
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Old 01-14-2005, 09:45:01 AM
Brickman Brickman is offline
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Default Re: Cushman "c" questions

i have a 4 hp cushman binder engine , to start i turn on gas, put a small amount of gas in the air intake,retard timeing with the lever by the mag,open compresion release, turn flywheel and it starts on first or second turn of flywheel. ron brown in cemtral ill .
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Old 01-14-2005, 12:21:39 PM
Jim L. Brown Jim L. Brown is offline
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Default Re: Cushman "c" questions

Joe: This is what is referred to as a Cushman Model C "Unit" because it was a self-contained unit with its own radiator and gas tank mounted to bosses on the engine, rather than the separate round water tank with cooling cone and gas tank. I have a couple of these units plus considerable literature including original manuals and factory photos of these engines. Please contact me. Jim
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