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Resistance wire in a Falcon 70 loom?

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Resistance wire in a Falcon 70 loom?

Post  Blair on Mon Feb 21, 2011 8:55 am

When I restored my Falcon 70 back in the early 90's, I made a new wiring loom using the original as a template. A recent thread about resistance wires in the forum have made me wonder just how authentic my copy was. Does anyone know whether the Falcon 70 had a resistance wire, and if so where it ran from / to? If if I am to simulate the resistance, what value of resistor should I use?

The reason this has become an issue, is that following the fitting of a re-magnetised flywheel (Thanks to Villiers Services for a very prompt turn around), the ammeter is registering far higher current at cruising speed than previously, and I am worried about the possibility of blowing bulbs, boiling battery etc.

Your help would be appreciated.

Thanks,

Blair
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Blair

Posts : 56
Join date : 2009-01-09
Age : 57
Location : Glasgow, West End. 1954 Falcon 70 (3speed), 2012 Enfield Electra EFI

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Charging

Post  kerabo on Mon Feb 21, 2011 10:06 am

Hi Blair

If your battery is overcharging the sign will be that it will use water as it get warmer. If your only doing short runs you may not see a difference.

As for the bulbs Why not take the oppertunity and fit a stronger bulb and then you have the bennefit of a better light as well as using up the spare Watts. Just load it up until the charging is where you want it.

How much is it overcharging?

Ken
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kerabo

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Location : Falcon 87. Trials 93 Special. Powerbike 56. Falcon 81 Green Lane bitsa. Sunbeam S8. Honda Deuville.

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resistance wire

Post  piston 197 on Mon Feb 21, 2011 10:53 am

No resistance wire in the falcon 70 loom! you could always go the volvo root and drive around in daylight with your sidelights on! personally i would be sorprised if an 8E is overcharging,maybe its just working correctly now,JH
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Re: Resistance wire in a Falcon 70 loom?

Post  Blair on Mon Feb 21, 2011 11:26 am

John, Ken,

thanks both for your replies. The battery I use is actually three * 2 volt "Cyclon" cells which are half as big again as 'D' size cells, but are sealed lead alloy types. I have had the same three cells for 15 years, and they still retain their charge over several weeks. see:

http://www.enersysreservepower.com/cyc_b.asp

These are apparently quite resistant to over charging, but because there is no electrolyte level to go down, it would be hard to tell. I will stick a voltmeter across the battery terminals hold the motor at a steady throttle, and see what reading I get.

Blair
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Blair

Posts : 56
Join date : 2009-01-09
Age : 57
Location : Glasgow, West End. 1954 Falcon 70 (3speed), 2012 Enfield Electra EFI

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Charging

Post  kerabo on Mon Feb 21, 2011 11:46 am

Hi Blair

I have a small one of these clever little batteries. In your case you could connect a volt meter on to it as you ride and study the reading. To use water a battery will need to be warm or hot and even these would get warm if overcharging. But your going to have to do a lot of miles overcharging to get this.

Regards Ken
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