Re: Bendix Treadle Vac Study- Serioius Business!!

Posted by HH56 On 2010/12/4 23:10:27

Which brings up another question or two. It appears they used P2 and P3 in 55. That would mean the original with sleeve valve must be the P1 in 52. Apparently used different versions of P2 in 53, 54, early 55 because the number for 55 is different than 53-4 and then to the P3. The number change might reflect something other than the base unit though. Did they skip the P4? There is only mention of one unit for 56 and mine has P5 stamped on it. Tis a puzzlement.

EDIT: a later post suggests 56 only went to P4 and that is what is shown in the photo rather than P5.

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