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Re: [PSUBS-MAILIST] Dive Plane Mechanical Linkages



Hi, Joe and All . . .
 
Regarding tying in your planes together.  You may want to consider the rationale for keeping them separate in the military boats: The aft planes are used for depth keeping and the forward ones for trim (hell, maybe it's the other way around).
 
In any case it may very well turn out to be more practical to do as you say and just tie them in together.  We'll find out soon enough.
 
Rick
Vancouver
----- Original Message -----
From: Brian Cox
Sent: Thursday, December 01, 2005 9:52 AM
Subject: Re: [PSUBS-MAILIST] Dive Plane Mechanical Linkages

Joe,
             I'm using the same type of system on my sub,  I have a sitck and rudder arrangement like on an airplane.  I have foot pedals that contol opposing side " ailerons" which turn in the opposite directions for banked turns.  The stick controls the rear rudder, which is a side to side motion on the stick, and for accending or decending the stick is pushed forward ( for down) and back ( for up ).   This is what I have been working on for the last few weeks on my to scale mock up.  Everything is pretty straight forward linkage, however the side to side motion on the stick, for rudder control are miter gears so I can change that motion perpendicularly.  An on one of the foot pedals I needed to use two meshing gears to reverse the motion with a counter shaft, so I could get a better angle (leverage) on the pedal.  All these motions are turning thru hull shafts in a rotating manner.
 
Regards
 
Brian
----- Original Message -----
Sent: Thursday, December 01, 2005 08:43
Subject: [PSUBS-MAILIST] Dive Plane Mechanical Linkages

 
 
Since my boat as designed is primarily a snorkel boat on the tiny diesel, dynamic flow over dive planes is critical to control.
 
I have in mind a mechanical linkage system similar to aircraft control surfaces with either a bell crank and pulley system or better yet a pushrod and torque tube system.
 
Individual control of the bow and stern planes as in the WWII boats is not really practical, so I am planning on an interconnection via either a single lever or a side mounted wheel. Very simple stuff, no hydraulics or electric motors.
 
I welcome comments and suggestions as every time I put something out, my design is improved tremendously as a result of the input.
 
Thanks
 
Joe
 
 
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