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Clean radio install!

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Old 06-14-2003, 08:42 PM
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DSA.308
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Default Clean radio install!

Check out my venom system checker thats mounted inside the RX. BOX!

I drilled a hole for the LED, and slotted the end of the battery/RX box case so I could plug my battery into the system checker without taking off the top!

Does anyone know of a decent switch that will fit my Mugens stock mounting position? I bought a cheap one from Towwer but it was a bit small, and the mount broke quick.
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Old 06-14-2003, 10:53 PM
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Default Clean radio install!

perhaps a dumb question, but what is a system checker?
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Old 06-14-2003, 11:24 PM
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Default Clean radio install!

Originally posted by dan1220
perhaps a dumb question, but what is a system checker?
Duh.........it's a checker for your sytem everyone knows that.......lol......yes please lets us know what this pretty little led on the reciever box does.
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Old 06-14-2003, 11:37 PM
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Default Clean radio install!

lol I really did laugh out loud
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Old 06-15-2003, 12:22 AM
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Default Clean radio install!

Todd is one of those people who should probably have a Doctorate in R/C science.. Among other I might add!

Do explain!!!

And thats a VERY NICE buggy you got there lol

ram
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Old 06-15-2003, 01:54 AM
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Default Clean radio install!

The system checker that Venom makes is a device thats plugs in-line with your battery pack between the battery, and the RX. It blinks at a constant rate to give a constant visual indication that the battery has adequate voltage to run the servos. If the voltage drops below a certain amount, rather than having a run-away vehicle, the LED starts blinking erratically, which is a visual indication of a low RX battery, so you can charge or change the battery pack out. I think its a great product, it takes all the guess work out of the RX battery packs condition. Since I am using a 1700MAH NIMH RX pack, even with all digital Hitek HS5945MG servos which are power hungry, I rarely run a RX pack low. Ive never seen the LED blink erratic yet.

Heres a picture of the unit...I double stick taped it to the inside of the top case.
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Old 06-15-2003, 01:58 AM
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NICE!!
Where did you get that 1700?

MY 945/925s drain my 1100 law fairly quickly.

I have 2.. so its cool but just wondering!
I paid 10 bucks for the 1100s.. and they work just fine
ram
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Old 06-15-2003, 02:07 AM
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The 1700 I got from Ace hardware hobbies, I think they were like 37$ each. They really work nice though, I bought two and havent killed the first one yet!
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Old 06-15-2003, 05:28 AM
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Heck it's just energizer rechargables Batteries. Just sand the ends get some tin and goto town soldering a pack together. 1700mah 1800mah packs are only $10 if you have a plug from a dead servo. The plugs are not expensive either. Hot glue the batteries together and slide your heat shring over it. Little cardboard ends and heat it up to shrink the wrap. voila $10 - 15 1650 - 1800mah battery packs. Cheap! Buy $50 worth of batteries and get five 5-cell packs. Last a life time. Come on guys save some money! Learn a new trade!

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Old 06-15-2003, 05:51 AM
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Default Clean radio install!

Never-mind about the ON/OFF switch, I found a really beefy Futaba switch today at Colpar Hobbies that fits perfectly.

I just don't go through enough battery packs to justify building my own, Spadworld. I know where to buy the raw materials to make a battery pack, and am surely proficient enough with a soldering iron to build my own packs, but wouldn't know how to wire the five packs correctly (pos/neg respectively for each cell, and where do you attach the power wire?) for a five cell hump pack....Are you offering a diagram or website that shows how to wire various amounts of cells for different sizes of packs?

Also, I only use two packs- and they are both rechargeable NIMH which last YEARS. One pack for my JR radio, and one hump pack for my buggys radio system, I doubt I will have to replace either pack for at least a couple years.
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Old 06-15-2003, 07:52 AM
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Sure!


Place your batteries in that exact configuration. Secure them with a small dab of hot glue. Place one wrap of tape around them when they are all assembled with hot glue this will keep them from shifting. Snip off some tin strips just long enough to go from one battery center to the next. About 1/4 to 3/8" wide.
Sand the ends of each battery to promote adhesion of solder and clean with rubbing alcohol. Sand the ends of the tin strips and clean as well. Now you are ready. Solder the strips onto the batteries as shone in the figure above on one side then turn the battery pack around and solder the other stips as shown on the other half of the figure above. Now attach your wires as shown above as well. I place Electrical tape TIGHTLY wrapped around the battery pack going from front to back direction this will dampen any impacts to the ends of the pack. Cut thin card board pieces to cover the ends of the pack with a small notch for the wires to pass through on one side. Slide your heat shrink over the pack and shrink it down. You can also just wrap the pack tightly in electrical tape but keep it thin don't stack the tape too much around the pack. Now you have completed your battery pack assembly.

Use these instructions at your own risk. I cannot warantee your own soldering skills or quality of the materials or tools that you use in the making of your own packs. I can say that I have had good results with my packs and if you're going to run a FAIL SAFE I recomend a 5 cell rechargable pack over the spring loaded holders and or 4 cell packs.

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Old 06-15-2003, 06:45 PM
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Default Clean radio install!

Thanks for the diagram, the next time I need a 5 cell pack (which is what I use) I will build my own!
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Old 06-19-2003, 07:23 PM
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this may be dumb, but the where do the wires connect to on a reciever pack? the reciever? if so then how do you charge them. I dont have an RC car, so sorry if that is really dumb.
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Old 06-19-2003, 07:34 PM
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Default Clean radio install!

See the red wire coming from the battery pack and plugging into the "system checker?" When you want to charge the battery (the thing thats green in the picture...) you simply hook the battery wire to the charger...make sence?

Everything wiring wise, except the battery, is inside the box.....the only exposed connection, is the only one you need to charge-the battery connection. Just look at the picture close.
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Old 06-19-2003, 07:34 PM
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another thing, what type of connector would ou get if you wanted to build your own pack? Can someone give me a link to one on tower if they sell it?
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Old 06-19-2003, 07:39 PM
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Originally posted by TODD MARSH
See the red wire coming from the battery pack and plugging into the "system checker?" When you want to charge the battery (the thing thats green in the picture...) you simply hook the battery wire to the charger...make sence?

Everything wiring wise, except the battery, is inside the box.....the only exposed connection, is the only one you need to charge-the battery connection. Just look at the picture close.
So the thing that hooks into the reciever, is the same thing you hook into the charger? or no?
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Old 06-19-2003, 07:41 PM
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Yes, its the battery lead.....

http://www2.towerhobbies.com/cgi-bin...?&I=LX0896&P=0
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Old 06-19-2003, 07:42 PM
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The only wire that needs to be plugged into the rec, is the battery lead. They make a switch harness that has a optional charge lead though...let me post a picture of that one, just a second....

http://www2.towerhobbies.com/cgi-bin...?&I=LX0948&P=7
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Old 06-19-2003, 07:43 PM
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so the wires on that is what connect to the battery shown in spadworlds diagram right? Also what type of charger do you need to charge these?
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Old 06-19-2003, 07:47 PM
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Yes, those are the battery wires in the diagram...

well the two types of batteries typically used for RX packs are Nicad and Nickelmetalhydride. I recommend NIMH for RX battery packs, make sure the charger you get will charge the type of batterys you are building, pretty simply...Ill post a picture of a good cheap charger....

http://www2.towerhobbies.com/cgi-bin...?&I=LXCLD5&P=7
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Old 06-19-2003, 07:49 PM
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okay
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Old 06-19-2003, 07:51 PM
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I got another quetion too. when you say you are using a 1700mah pack, does that mean each battery is 1700mah?
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Old 06-19-2003, 07:54 PM
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yes.
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Old 06-19-2003, 07:58 PM
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okay, take this for example

http://www2.towerhobbies.com/cgi-bin...?&I=LXFD85&P=7

1400 mah capacity so how do I put 5 together and get 1700?
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Old 06-19-2003, 08:06 PM
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Im not sure, maybe someone else can answer that...perhaps on a 5 cell pack, the MAH IS the rating of which each cell the pack was built with....So in your example if you built a pack with those 1400MAH cells, it would in fact be a 1400MAH pack?
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