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HelicopterEngines Plugs Mufflers Fuel › engine blueprinting
06-07-2004 01:03 AM  13 years agoPost 1
Jared J

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Harrisonburg, VA

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What's involved in this process? I'm assuming it's nothing an average Joe can do.

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06-07-2004 01:05 AM  13 years agoPost 2
Doug

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Port Saint Luice Florida....

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You need the "blue print" as a start

First member of Member of Bearings Anonymous

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06-07-2004 02:28 AM  13 years agoPost 3
jerrythercpilot

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--South Florida --

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To make any engine run "Hotter", you must make it breathe better. All engines operate under their Adiobatic Optimum Efficiency since they simply cannot charge the cylinder enough through ordinary (vacuum) means. That is where Superchargers and Turbos come in. Get more air into the cylinder and the engine will run closer to its AOE.

On two strokes this is no easy task since the A/F mixture must make a convoluted path into the combustion chamber, The only thing I know that guys do to make an engine run "Hotter" is to reduce the crankcase volume (by filling in as much volume as they can with weld material, JB weld etc) so that when the piston comes down to force the A/F mixture into the CC they get better transfer due to higher crankcase pressures. Rossi uses a plate on the crankpin side of the crakshaft to help (part of the reason) eliminate windage.

But all said, its alot easier to just put a bigger motor in!!!!

Light travels faster than sound, thats why some people appear so bright UNTIL you hear them speak.

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06-07-2004 02:31 AM  13 years agoPost 4
Jared J

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Harrisonburg, VA

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I was just wondering because Hanson sells a blueprinted heli engine and was curious the process involved. I know a friend who polished his intake manifold on his Honda and got alot more HP because of it.

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06-07-2004 05:09 AM  13 years agoPost 5
TMoore

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Cookeville, TN

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Jared J,

There are little things that you can do to improve your engines. It is usually detail things and you won't usually get a huge improvement but it may be noticeable.

Jerry is right about breathing and crankcase volumes. It is really best to do small things. What engine are you wanting to work on?

Terry

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HelicopterEngines Plugs Mufflers Fuel › engine blueprinting
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