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Re: Screw size definitions
In a message dated 7/19/99 4:28:40 PM, Ray.Keefer@eng.Sun.COM writes:
<<Hi,
[snip}
> Perry boats turned 36 X 36 3-bladed bronze props (they weighed 175 pounds!)
> that were driven by 10 hp 120V Reliance motors through reduction gears and
[snip]
> memory serves with 17 to 1 gear reduction. They turned a 28 X 24 bronze
> wheel and ran nearly 5 knots on the surface.
>
Could someone explain the dimensioning to a prop? I assume "wheel" also meant
prop. Like:
36 x 36 3-blade Bronze
| | | |
| | | ---> Material it was made out of.
| | |
| | ---> 3 blade
| |
| ---> ?
|
---> 36inch diameter
Thanks,
Ray>>
Sorry. 36" diameter (circle turned) and 36" pitch, ie., a one to one prop.
Vance