Lockup (secondary) Arms
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| Primary arms installed. Lockup (secondary) arm slot .250" wide note inside edge of pressure plates clearanced for arms to be held further forward - not to interfere with primary "neutral". |
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| Primary arms installed. Lockup (secondary) arm slot .double wide for 2 arms note inside edge of pressure plates clearanced for arms to be held further forward - not to interfere with primary "neutral" and donut underneath is also clearanced and has only 1 carbide button . |
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| top left - diference between primary and lockup arms. top right - set up lockup arms (12) 1 inch difference from 1st to last (cannon will have to move 1" PLUS wear and a little extra for safety ) to clear all arms bottom center - 2 arms on 1 pin, "caution" be carfull not to lock arms together wit stud for adding weight, also note 1 nut and 1 half nut. bottom right - tapered arms (clearance, weight ?) |
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Some Common Weights 5/16 standard nuts --> .250" = 4 Grams 5/16 .560 od washers --> .030" = .6 Grams |
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| Stops: This allows for unloading of arms - as disk wears the arms will be stopped and less force will result then as cannon continues to move arms will be again added...... |
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| A "Lockuo" clutch for alcohol engine...... arms and over center spring act as a latch... Note: this is a pedal clutch (springs are under covers and add pressure ) |