Today's Topic: GOVERNORS

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Posted by Tim Daley(MI) on October 26, 2018 at 05:50:38 [URL] [DELETE] :

Since we're talking cast iron vs. aluminum parts lately, let's get into the governors. Early 9N's had cast iron units, but there were two. The governor in 9N/2N MPC's show p/n 9N-18200/assembly with suffixes of B, and C. We can assume the first one is the 'A' unit. These all had three arms. The 8N governor was different, p/n 8N-18204, and now with two arms. Was the 9N-18200-B unit the aluminum unit or was it not released until 1945 or sooner as the 'C' unit? MPC's show p/n 9N-18200-B unit used from '40 - '45. The January, 1946 MPC shows the 9N-18200-C unit used beginning in 1945, or sooner. No MPC's were printed in the war years 1943 and 1944 except the Moto-Tug MPC, June, 1943 copy and it lists the 9N-18200-B unit. Thus, the 9N-18200-B governor got changed to the 'C' unit sometime after '43, in '44 or '45. What was changed? What was the first governor, p/n 9N-18200-A? No doubt it was the cast iron unit, but since there are two versions, are they A1 and A2 for different suppliers? Again, is the 9N-18200-B unit the aluminum version? Here are some pix of my two early 9N cast iron governors:




Tim Daley(MI)


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