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I believe this is a "modern" propeller, but can't find anything to substantiate even that. Some numbers: Length: 72.5”. Center hole: 2 1/4”. Hub: 6” thick; 7” diameter. Bolt holes: ½”; Center to center bolt circle: 4 ¾”.
The hub has 1 Z6529 2 stamped around the bolt holes (if that is a model number, I failed to locate it as such anywhere). The black things are fabric pads glued to the hub. Three lines stamped on one blade: SENSENICH and 72LML32 and Z6529.
Sensenich lists a 72L used on a J3P Cub with a Lenape Papoose 3 cyl radial, but pictures of such aircraft show normal tip propellers. I also couldn’t find anything in the factory airboat listings. Besides, I don’t think this propeller looks much like theirs anyway, at least not what shows on the site. So, is this a cut down 72L or ? Note the sheathing is made of several pieces and as a result looks quite home-built, and there are many signs of contact in the wood on one side toward both outer blade ends.
The hub has 1 Z6529 2 stamped around the bolt holes (if that is a model number, I failed to locate it as such anywhere). The black things are fabric pads glued to the hub. Three lines stamped on one blade: SENSENICH and 72LML32 and Z6529.
Sensenich lists a 72L used on a J3P Cub with a Lenape Papoose 3 cyl radial, but pictures of such aircraft show normal tip propellers. I also couldn’t find anything in the factory airboat listings. Besides, I don’t think this propeller looks much like theirs anyway, at least not what shows on the site. So, is this a cut down 72L or ? Note the sheathing is made of several pieces and as a result looks quite home-built, and there are many signs of contact in the wood on one side toward both outer blade ends.
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