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Old 08-20-2019, 12:12 AM   #1
Fitness1gym
 
Join Date: Aug 2019
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Default 94" WWI Jacuzzi Propeller Marked Siemens 7

I recently purchased a Jacuzzi WWI era propeller from an estate. It is 94" long. These are the markings Jacuzzi Siemens _7 P. 4' 6" D. 7' 10" N. 2624 It seems to be hard to find out any information on these old Jacuzzi propellers Any information would be appreciated.
Dan
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Old 08-20-2019, 12:35 AM   #2
Dbahnson
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It's a design profile that I've seen only on Jacuzzi propellers, but I don't know what engine it was used on. Note the 6 bolt holes rather than 8, which was much more common in the WW1 era props.

The Jacuzzi brothers originally built propellers for vineyards in southern California then began manufacturing aircraft propellers in the teens as I recall. One of the brothers was killed in plane crash and they got out of the aviation business altogether, but they went on to produce the hot tubs associated with that name.

I have photocopy of a Jacuzzi propeller catalogue from 1918 but it does not list specific applications of their props to an aircraft or engine.
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