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Antique Gas Engine Discussion

Slowing Down an Economy 1 1/2 HP


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  #1  
Old 11-09-2018, 06:34:38 PM
Econmy Spender Econmy Spender is offline
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Smile Slowing Down an Economy 1 1/2 HP

Hello everyone i have acquired a econmy and we have had it for a fair while now we want to slow it down more than what it already is. The only thing we have done to slow it down is put a weaker spring in the govenor and we cant figure out what else to do. Any suggestions?
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Old 11-09-2018, 07:09:56 PM
JF671 JF671 is offline
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Default Re: Slowing down a Econmy 1 1/2 HP

Assuming it's a Hercules built Economy:

Replacing the spindle spring within the governor is a good start. You'll also need to minimize the gap between the end of the spindle and the governor arm that it pushes against. On the later engines, this is easily done with the adjusting screw. On the earlier engines the spindle can be cut in half and install a small ball bearing centered between the two halves, or make a new longer spindle. Also, a lighter spring might be necessary on the latch. After that's all done, retarding the ignition timing some will reduce the energy created during the power stroke reducing some of the stress on the crank shaft and flywheels while running her slow.
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Old 11-09-2018, 08:22:21 PM
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Doug Kimball Doug Kimball is offline
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Default Re: Slowing down a Econmy 1 1/2 HP

Pretty good articles on Hercules governors by the late Glen Karch reprinted from GEM:

http://www.herculesengines.com/hercu...rcnews495.html

http://www.herculesengines.com/hercu...ws/2003-06.pdf
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Old 11-10-2018, 09:47:07 AM
26kracing 26kracing is offline
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Default Re: Slowing down a Econmy 1 1/2 HP

You slow it down with the spindle spring in the governor but be aware the small engines the slower you try to make them run the more problems you have keeping them running they need the momentum to help them run
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Old 11-10-2018, 12:25:02 PM
Econmy Spender Econmy Spender is offline
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Thanks alot for the feedback will defintely try the suggestuons will post how it goes!
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