Re: [PSUBS-MAILIST] Fw: retractable planes

This is just what I thought might work well. Maybe you could make it slide back and forth and that would allow you to dock from one side to the other. Simple motion. Dave

I've decided to use two racks and a pinion gear housed in a square tube. The whole tube rotates around the lateral axis to tilt the planes. The racks are internal to the tube and travel on guide wheels. An automotive solenoid motor (attached to the tube) would rotate the pinion gear and move the racks in and out until they hit limit switches. Each of the tube's ends rotates around a Lazy Susan (my own version).

I'd like to assemble as much of the sub without having to access industrial suppliers for special bushing/bearings, etc., hence my own Lazy Susan design.

Warm regards,

Rick

----- Original Message -----

From: Fly Deep

To: empiricus@telus.net

Sent: Saturday, August 21, 2004 3:28 AM

Subject: Re: [PSUBS-MAILIST] retractable forward planes

Off list

If it's used for pulling up along side dock and what not....You might consider making only one side retractable. It would be relatively easy to make one side so that it only needs to slide in side a tube????? Dave

Hi, Pierre . . .

No, the retractable planes are for use dockside to prevent damage. I'd like
to retract them from the cockpit while approaching docks, other vessels,
boat ramps, etc.

Rick

----- Original Message -----
Subject: RE: [PSUBS-MAILIST] retractable forward planes

> hello,
>
> Is the retractable planes only for transport? If so, you could only use a
> simple hinge and pin to lock in place...
>
> Pierre
>

> >Hello all . . .
> >
> >A long time ago I designed retractable forward planes for my sub-to-be.
> >I've since lost the paperwork and I haven't for the life of me been able
to
> >remember how I did it.
> >
> >Does anyone know how the military boats do it? I could sit down and
design
> >something new but ! I simply don't have the time.
> >
> >As I would like the planes withdrawn into the hull like a Typhoon, and
not
> >just lifted up like a diesel electric WWII fleet boat, I was thinking
> >rack-and-pinion with a solenoid but I'd like to keep the electrics to a
> >minimum for obvious reasons.
> >
> >A lever actuated hydraulic (muscle powered) with a long throw piston at
the
> >planes end might work.
> >
> >Any thoughts? No doubt the answer is ridiculously simple.
> >
> >Rick