New Radio Box Started - V3.0
Last Post 26 Feb 2010 10:54 AM by jadfer. 5 Replies.
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jadferUser is Offline
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23 Feb 2010 08:32 PM

I just started V3 of my new radio box I hope to have completed in the next few days. I am using a Otterbox 1000 (nice and small) and I am adding the test fire buttons to the lid of the box.

In order to make this work I had to use smaller firing boards and as such I used a prototype board that I am testing to see how it works.

I am not sure how I will seal the box but I want to be able to replace my interface board for the ribbon cable so I will proably use the blue gasket maker I got from Auto Zone I used to make my deck seal gasket with good success.

I will utilize a simple pump switch to keep the radio box small in that I will use a firing board to trigger a sealed automotive relay ($4) that will sit outside the radio box near the pump. This will not only save space in the radio box but will cut down on the amount of expensive 12G silicone cable I have to use in the ship.

For the throttle I plan to use the banebots ESC and encase it in epoxy and run it from outside the radio box, once again to save space and cut down on silicone wire. This will keep me from having to add the larger motor output cables to the outside of the box. I will just feed the reciever leads out on the ribbon cable. I dont currently have a bane bots ESC so I will utilize the same output pins to trigger sealed relays that I will store outside the radio box near the motors.

This should be one step closer to the modular box I am wanting and help with overall wiring reduction. The other main objective is to make a drop in box that is compatible with any of my ships allowing me to mix and match at any time.

Pictures are below:

Darren ScottUser is Offline
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24 Feb 2010 12:55 AM
Looks good!
Are the buttons watertight? You may need to put some sort of rubber boot over them.
Sail, shoot, rearm, sail, shoot, rearm, sail, shoot, sink, recover, patch, rearm, etc, etc, etc.....this was the 2009 June Nationals for me.
jadferUser is Offline
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24 Feb 2010 09:21 AM
Im not finished yet! Haha a ways to go but lots of fun to put together.

I bought some bladder rubber I used on the previous water-tight box that didnt work very well. I might use Marine goop but I am afraid of it leaking down into the switch itself. I like the blue gasket maker I used for the deck seal and may seal the buttons with that. At least with Goop or the Blue Gasket I can peel it off and re-apply if I have to change a switch. There is not much gap around the threads in the hole anyway so it may work out ok.

Once I work out the rest of the internals I will seal it and water test it.
jadferUser is Offline
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26 Feb 2010 12:11 AM

Well I made some progress and got the box far enough along for testing the 'proof of concept'. I made the final decision that I will not run the pump or ESC controllers in this box to leave it small and light.

The firing boards are 6V compatible so I didnt include the 5V regulator. Adding the regulator at this point is easy I just go inline on the reciever power lines.

Here is a progress picture:

Below is the button testing rig:

The red wire for the solenoid is temporarily connected to those pins which are reserved for the ESC.

I am thrilled that it all worked as expected on the first time out. I may change out the board on the top for a new type of connecting cable but I am not sure yet.

Johnny

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26 Feb 2010 10:51 AM
That's an impressive looking wt box. Nice work.
jadferUser is Offline
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26 Feb 2010 10:54 AM
Thanks! I really like working on this type of stuff - believe it or not its relaxing. hahaha
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