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-   -   Which is it......battery or ballast ??? (https://classracer.com/classforum/showthread.php?t=55906)

Rusty Davenport 12-05-2014 11:03 AM

Which is it......battery or ballast ???
 
Can a battery be properly secured in the trunk area without being wired for use and not be considered ballast weight ???

FED 387 12-05-2014 11:30 AM

Re: Which is it......battery or ballast ???
 
run some cables to "nowhere" problem solved---FED 387

Rusty Davenport 12-05-2014 12:00 PM

Re: Which is it......battery or ballast ???
 
Quote:

Originally Posted by FED 387 (Post 454615)
run some cables to "nowhere" problem solved---FED 387

I respect and appreciate your answer but its really not "the" answer. What you are saying now will require installation of rear cut off switch doesnt it ??? I just want a battery for weight when the weight box has reached maximum allowed ballast. Does the battery become ballast or is it still considered a battery. It sounds like an Eric Holder-Obama issue but it really isn't. :-)

FireSale 12-05-2014 12:18 PM

Re: Which is it......battery or ballast ???
 
If it's not wired, it's ballast and has to be secured by 1/2 inch bolts with welded nuts. That would be through the battery, not a hold down strap. Straps are prohibited. Why not just wire it and have extra juice to go with the extra weight? If they are wired in series with the second battery linked to the first, you don't need a second cut off switch.

EDIT: Is battery A up front or in the trunk?

I'm not a tech.

Dale

HandOverFist 12-05-2014 12:25 PM

Re: Which is it......battery or ballast ???
 
I would nix the battery idea and just secure some extra permanent ballast. You can then add/subtract with your adjustable ballast.

Bill Harris 12-05-2014 12:39 PM

Re: Which is it......battery or ballast ???
 
If you wire them in series your going to have 24V and probably a fire somewhere. They need to be in parallel. If you have a battery in the trunk you have to have a master cutoff switch in the positive side of the circuit at the rear of the car so that means two high current cables between the front and rear, one for positive-positive between the batteries and to the switch, and another from the switch to the rest of the electrical system. Negative (aka "ground" side can use the chassis as the conductor on both batteries. It is a it of work but probably worth it in the long run. You can always remove the rear battery to lose weight if needed. Note that both batteries are supposed to be the same size and weight. I seem to recall some disqualifications recently for having a fake (hollow) battery in the front.

Mike Pearson 12-05-2014 01:16 PM

Re: Which is it......battery or ballast ???
 
Quote:

Originally Posted by HandOverFist (Post 454628)
I would nix the battery idea and just secure some extra permanent ballast. You can then add/subtract with your adjustable ballast.

X2. There is no real need for two batteries if you are charging it between rounds.

FireSale 12-05-2014 01:17 PM

Re: Which is it......battery or ballast ???
 
Quote:

Originally Posted by Bill Harris (Post 454629)
If you wire them in series your going to have 24V and probably a fire somewhere. They need to be in parallel. If you have a battery in the trunk you have to have a master cutoff switch in the positive side of the circuit at the rear of the car so that means two high current cables between the front and rear, one for positive-positive between the batteries and to the switch, and another from the switch to the rest of the electrical system. Negative (aka "ground" side can use the chassis as the conductor on both batteries. It is a it of work but probably worth it in the long run. You can always remove the rear battery to lose weight if needed. Note that both batteries are supposed to be the same size and weight. I seem to recall some disqualifications recently for having a fake (hollow) battery in the front.

That's what I meant. Got my words "crossed up"...

+ to +, - to -

Dale

Larry Hill 12-05-2014 02:22 PM

Re: Which is it......battery or ballast ???
 
Don't forget the rear firewall if battery is in the trunk.

FED 387 12-05-2014 08:17 PM

Re: Which is it......battery or ballast ???
 
Unless the rules have changed better check on this tho " if you are not running a fuel cell but still are using a "stock" gas tank you can use a gas tank shield located between the top of the tank and the trunk floor as an approved safety device-it is not considered disguised ballast!! Now don't go putting a 1 inch piece of plate steel but you can use either steel or aluminum plate to do this "thin" gauge like 1/4-3/8 inch depending on how much weight you need ---FED 387


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