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Dial-a-depth!!

R/C Submarine modelers

Dial-a-depth!!

Postby Bigdave » Mon Apr 04, 2011 2:23 pm

Well this is one I can't take credit for the name. :D
Mr. Jeff LaRue coined the term. :wink:
I expanded on an idea we both had for controlling piston tanks.
I ran it by Jeff and he said he has been using a system like this and called it dial-a-depth. 8)
It is very simple and just uses a set marking to give the control pot a point to reference from.
A datum I guess. :mrgreen:
In my version I installed a rotary pot on my Multiplex EVO that has a very wide liner travel.
I also installed a wheel under the pot that will rotate and has three points marked on it.
0% 50% 100% piston travel.
Basically I will use it to set let’s say decks-a-wash for any given body of water.
Once that point is set I will know if I turn the dial to that point the sub will :roll: (should) be at decks-a-wash.
It will just give me a better indication of where to set the tank volume.
This is all new to me but Jeff says it works well for him.
I will let you know how I make out.
Jeff said he will not get me for copywrite infringement on this. :shock: :lol: :lol: BD.
David Welch
Commodore SR-8

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"Eat your pudding Mr Land". "I ain't sure it's puddin" James Mason-Kirk
Douglas, 20K
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Re: Dial-a-depth!!

Postby Bigdave » Mon Apr 04, 2011 2:28 pm

CRS!!!! :roll: :roll: :roll: :roll: :roll:
I forgot the photos!! :? :?
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David Welch
Commodore SR-8

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"Eat your pudding Mr Land". "I ain't sure it's puddin" James Mason-Kirk
Douglas, 20K
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Re: Dial-a-depth!!

Postby JWLaRue » Mon Apr 04, 2011 2:40 pm

Bigdave wrote:......will not get me for copywrite infringement on this.

Yes...but let's not forget trademark infringement. :lol:

I like BD's take on this as he has created a very easy to use visual reference. The way I do it depends on the Multiplex Evo "monitor" capablity that is used to monitor the servo position on each channel. Essentially I Dial-a-Depth (tm) until I get just the periscope out of the water...and then note the percentage of servo travel on the display on the transmitter. Once I know that I can dial back to that same point at any time. I can adjust the ballast volume in 2% increments.

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In BD's case, he simply adjusts the rotary pot to get the desired depth setting and then moves the 'marker' to align with the pointer on the pot.

-Jeff
Rohr 1.....Los!
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Re: Dial-a-depth!!

Postby Tony G. » Mon Apr 04, 2011 3:12 pm

Very nice boys, I like it. Seeing that I have that same radio (thanks to Jeff) I will be trying them both.
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Re: Dial-a-depth!!

Postby Sub culture » Thu Apr 21, 2011 12:02 pm

If you slot the pot over a three way toggle switch, you only need to dial in the pot once per dive session. Then just use the switch for surface, neutral bouyancy and full flood.
'Why are you staring at an empty pond?'

Want to dive your boat in crystal clear water? Then you had better Dive-in- http://www.diveintomodelsubmarines.co.uk
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