Re: [PSUBS-MAILIST] basic hidrodynamic question

["Marsee Skidmore" <heyred@email.msn.com>]

I'm seeing applicable stuff in "The Speed and Power of Ships," Taylor, D.W.,
1943, United States Maritime Commission, and "Fluid Dynamic Drag," Hoerner,
S.F., 1965, Self-Published. Do you have either of those? - Joe

----- Original Message -----
From: Alec Smyth <asmyth@hsomail.com>
To: PSUBS <Personal_Submersibles@psubs.org>
Sent: Monday, February 28, 2000 12:50 PM
Subject: [PSUBS-MAILIST] basic hidrodynamic question


> Hello all,
>
> Over time I've accumulated a fair little sub-related library, but I've
come
> across a VERY BASIC calculation I can't find a formula for in any of my
> books. I need to work this out as part of dimensioning the axles for my
dive
> planes.
>
> Lets say I have a perfectly flat, rectangular dive plane, with a surface
> area of 120 square inches, and I am doing 8 knots. Suddenly I incline the
> dive plane downwards by 30 degrees. What's the magnitude of the resulting
> force? I do realize the force is normal to the plane surface, and I expect
> one gets to it by calculating the pressure and then multiplying by the 120
> square inches... but that pressure is eluding me.
>
> I wonder can anyone help?
>
>
>
> Alec Smyth
>
>