have no clue

[alec]

i have a 4 blade hubb that has bin made in 2 a clock it has 8 bolt holes and some markings on the front 100.hp. r.a.f.i.a p.f.2.c. t.7448. denny.116. it wud b nise 2 no a bit more about this my grandad made it in 2 a clock