Re: Engine Cooling

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Posted by Island Mike on December 01, 2017 at 00:18:25 [URL] [DELETE] :

In Reply to: Engine Cooling posted by steveVa on November 30, 2017 at 19:16:15:

As engines made more power, they needed to get rid of the extra heat. So they went from air cooling to liquid cooling. On some of the air cooled engines oil coolers were added. If you make enough power, you need liquid cooling and oil cooling. These things are on high horsepower bikes. An exhaust valve can reach 2200 degrees. If the heat is not taken away quickly enough, things will expand, bend, crack, warp and break. We experienced all of this, with air cooled engines in bikes. They work fine until you increase the power.
Some liquid cooled engines had lousy water flow, and overheat if pressed hard.

Unless you can add many cooling fins, I think the engine will overheat and fail.
Some stationary engines had cooling fans as part of the flywheel, that blew air over the cooling fins. Most generators will have this.

A radiator and electric fan, or belt driven are easy enough to set up. I do know you can cool 7.5 horsepower with one square foot of exposure to the water your boat is floating in. That is with a liquid cooled engine, and there are a variety of ways to have the ocean on one side, and the engine cooling liquid on the other.

Island Mike


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