1/96 Aluminaut Submarine by Scale Model Castings - Page 12 - RC Groups
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Mar 26, 2013, 06:31 AM
AKA Mr Pita
Hi Tom Great job. you can reverse your servos and limit your travels with the transmitter. Also float your foam in a cup of water and add wieght to the foam until it becomes nuetrally bouyant. This amount of wieght is the same as what you need to remove. Greg
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Mar 26, 2013, 11:32 AM
Registered User
tchalfant's Avatar
Greg! Thank you for the suggestion. I went the math route. I was told to figure out volume then convert that to weight.

0.875 x 0.4375 x 0.4375 = 0.1675 cu. inch

cu inch of water weighs 16.387grams

16.37 x .1675 = 2.742 grams
I need to remove 2.74 grams of weight from the keel.

Removed the keel, benefit of using an RTV silicon.
It weighed 20 Grams. So if I took out 3.5 grams I can add weight if needed, but I will also be adding a light bar at some point.

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Hollowed out the front were the foam was and worked my way back.

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Cut open the sides were some scribing was for flood holes (the front is scooped out as an exit path too)

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Weighed the bar and hit 3.5 grams removed on the nose!

Feeling like I can conquer the world, I went ahead and began adjusting the servo directions and limiting the throw.

Mar 26, 2013, 08:39 PM
Registered User
tchalfant's Avatar
.....my world began to go up in smoke. Look carefully at the picture.
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Yes, billowy, curling, wisps of electrical meltdown AGAIN!!!!!
I went to bed and today after work (I had cooled down significantly, trust me, this sub was almost in pieces) I went to investigate. This time it was the port motor. Here is what it looked like.
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Interesting, it is the same location on the board that died previously. So, until I can conclusively rule out these are bad ESCs, DO NOT BUY THEM! I will contact the company I bought them from and see if there is any suggestions on their part.
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So, after a brief email from David Merriman, I am going to put this to rest for a bit and work on the Skipjack and a ballast system I have been itching to play with.

The other thing that has happened is I received a sub as a gift from a friend, Mike Dory. Will post more about that later. I am taking David's suggestion and going to a movie (minus the drugs - from hip surgery) and going to relax.
This thread is not over, just on hiatus.
I wonder if I should try a servo board.....stop.....must.....relax!
Jun 05, 2013, 11:45 AM
derk's Avatar
So have you picked this guy up again?
Jun 05, 2013, 03:35 PM
Registered User
I think that he is waiting for some slow poke to finish testing his new micro ESCs. Oh wait, I am that slowpoke. I am hoping to get the new code on them this week, and do the final testing. Once done, they should hopefully be smaller and not burn out like his last ones. They will even come with a low voltage detection.

Jun 05, 2013, 06:40 PM
derk's Avatar
would these mystery esc's be available in a small number for another aspiring submariner?
Jun 05, 2013, 08:00 PM
Registered User

See my reply here. I do not want to take away from Tom's thread.

Jun 05, 2013, 08:10 PM
Registered User
tchalfant's Avatar
Take away from my thread, heck, my thread has been dead. You gave it a pulse! And a future. Put me down for one (at least for now).
Jun 05, 2013, 08:27 PM
Registered User

You will get a special discount on that one. It will be the lead device. It may be slightly used from my initial testing.
Jun 05, 2013, 11:47 PM
Registered User
tchalfant's Avatar
Thanks for that, but I also want to support your effort, so put me down for 1 more.
Jun 06, 2013, 09:44 PM
Registered User
All this free advertising for Aeroengineers stuff! WOW!
Hope he's added the real cost of it into his 'product'!
Jun 06, 2013, 09:57 PM
Registered User

The little speed controller is something that I am currently building for my own projects at home. Tom and I have been going forth about the possibility of them as replacements in his boat. This has been slowed by my real job and the arrival of my son. If there is not enough interest to have more than I am currently planning for Tom and my projects, I do not have hurt feelings as I have a controller for my project that I am working, and Tom gets his little boat in the water.

Jun 06, 2013, 10:03 PM
George Jure
Hi Aeroengineer1

I would also be interested in your speed control offering. Please let me know if you go ahead with production.

Jun 07, 2013, 02:28 PM
I'm also on board with your speed control endeavor, Aeroengineer1!
Please add me to your list of "supporters"!!

Jun 07, 2013, 06:00 PM
Registered User
George and Crazygary,

Thanks for your support, look to see updates in the other thread.


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