Posted by D Slater on February 20, 2015 at 18:34:06 from (184.14.187.78):
In Reply to: 9 speed transmission? posted by Ellis Kinney on February 20, 2015 at 10:48:25:
Both types used the same design with different type parts. Extra gear was added to the transmission input shaft to drive two constant mesh gears on the counter or lower shaft. Shifting parts were installed to lock the two constant mesh gears to the lower shaft. when shifted one constant mesh gear was locked to the counter shaft and the other one not locked was just free spinning. Since the two constant mesh gears were a different ratio the counter shaft speed was changed depending on the gear locked to shaft. Since line of power through the transmission for all gears but 5th is input shaft to counter shaft, then gears on the counter shaft driving the top shaft, with top shaft exiting the transmission compartment. Changing the counter shaft speed will give 2 different speed selections for 1 through 4 and reverse. Although 1 in high range was faster than 4th low range with faster speeds on up. Some kits for super models were a exception to the 1 high faster than 4 low though. M&W in low range or the standard M speed the input shaft or engine turned 2.7 times to get one turn of the counter shaft. High range the input shaft turned 1.17 to 1 countershaft turn. Failed to write down the Hiesler teeth count in the past. So don't know if they are the same ratio on the high side. Have two M with M&W lever type and a H cable shift type.
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