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Stuart Beam Governor Question

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Django	01/05/2023 15:33:43
14 forum posts 19 photos	Your engine is looking great. Regarding the governor, mine begins to do its job at approximately 200 rpm. I used the Stuart ratio which is if I remember correctly, approximately 1.75:1. My governor’s balls are scaled down 20% and I substituted a weight for the spring and made other changes to improve efficiency and hopefully improve the appearance. I prefer to run mine at about 60 rpm, so the governor is not doing anything more than revolving. One additional note about the Stuart governor. The drawing has you making an eccentric with a grub screw in the center and a separate pulley to drive the governor. This makes valve adjustment a problem because you have to dismantle the eccentric strap to adjust the timing. I simply bored the pulley out large enough to mount it over the cylindrical portion of the eccentric and use a single grub screw that is in the center of the pulley.
Django	01/05/2023 15:54:21
14 forum posts 19 photos	Here are some images of the governor and the pulley, (spring belt on and off).

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