Electrical question

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Electrical question

Post  gus on Thu 13 Jul 2017, 8:08 pm

I've been a fan of the LOW -OFF _HIGH  handgrips for ages .I had one set that on high were very warm .
Now I have a set that are not quite warm enough .(or as good )
Seeing I paid $5 delivered i'm not complaining . (e-Bay) Pad under original grip .
The only difference (I think ) is that the wiring is thinner on the cooler set.
If I was to solder on   thicker guage  wiring to the pad would it be hotter ?
As in , more wire ,bigger current ?

Sorry ,but new colours clash , as in unreadably .Appreciate the effort though .

And , after 2 months without power it got connected today .Bliss .
2 months with a battery shower ,computer that lasts 30 mins (battery ) and no easy way to charge them including tools . I was over it .
Also no internal heating when its -3  and a car with no heater .
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Re: Electrical question

Post  Re-Cycled on Thu 13 Jul 2017, 9:17 pm

That's unusual for the Sunshine Coast! Shocked

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Re: Electrical question

Post  paul on Thu 13 Jul 2017, 9:29 pm

http://nswbandits.forumotion.net/t6473-changes-to-photobucket


Read my last post in the above link Gus................sorry I don't know the answer to your wiring question, guess you could only try it .................I know , you only want to fire up the soldering iron so you can use your new electricity supply Razz Laughing


@recycled .................not so unusual for Tasssie though  Wink

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Re: Electrical question

Post  barry_mcki on Fri 14 Jul 2017, 12:05 am

Bigger gauge wire will mean less loss, but it probably won't make too much difference to your grips.  Can you measure the current going to the grips, sounds like you might have a higher resistance in this new set.  does the wiring get warm ?

It's been freezing this past week Gus, you sure you're okay down there, we can put you up for a couple of weeks if you want to come up to sunny Launceston.

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Re: Electrical question

Post  gus on Fri 14 Jul 2017, 6:32 pm

I should put you up looking at your temps . Laughing  We seem to be about 3 deg warmer than your area .
Ive ordered 3 new sets ($15 total ) i'll fit one and see how they go .
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Re: Electrical question

Post  Re-Cycled on Fri 14 Jul 2017, 9:43 pm

@paul wrote:http://nswbandits.forumotion.net/t6473-changes-to-photobucket


Read my last post in the above link Gus................sorry I don't know the answer to your wiring question, guess you could only try it .................I know , you only want to fire up the soldering iron so you can use your new electricity supply Razz Laughing


@recycled .................not so unusual for Tasssie though  Wink
Seriously, Gus' "location" is Sunshine Coast... try to keep up. lol!

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Re: Electrical question

Post  barry_mcki on Fri 14 Jul 2017, 10:34 pm

I fooled around with some of those cheap circuit trace type heated grip pads a little while ago.  I never liked the idea of the control switch dumping the power into a load resistor so as to make the pads a bit cooler, it seemed like a waste of power, and on a bike there is not all that much to spare.  

I grabbed a 12v DC motor control circuit from the chinese ebay (aliexpress.com).  This unit can provide variable settings from full on to all off, it uses pulse code modulation - a fancy term for a method of turning the circuit on and off real fast, the more on the hotter the grips, the more off the cooler.  When the PWM is switching off there is no power drain, so you only "pay" for the power you need.  The only downside is you have to find somewhere to mount the circuit and control knob. 

I set it up on the workbench and let it run for 24 hours, no problems at all.  All up cost was about $25




I paid $30 for two 120w controllers, you can't get this model anymore, but I notice they have 150w controllers for AU$5.20 free shipping:

Reversible 150w DC PWM Controller

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Re: Electrical question

Post  paul on Fri 14 Jul 2017, 10:38 pm

@Re-Cycled wrote:
@paul wrote:http://nswbandits.forumotion.net/t6473-changes-to-photobucket


Read my last post in the above link Gus................sorry I don't know the answer to your wiring question, guess you could only try it .................I know , you only want to fire up the soldering iron so you can use your new electricity supply Razz Laughing


@recycled .................not so unusual for Tasssie though  Wink
Seriously, Gus' "location" is Sunshine Coast... try to keep up. lol!
Mum always said I would go blind  Embarassed Laughing

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Re: Electrical question

Post  gus on Sat 15 Jul 2017, 5:53 pm

I better change my Avatar ,
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Re: Electrical question

Post  Re-Cycled on Sun 16 Jul 2017, 8:02 am

@gus wrote:I better change my Avatar ,
lol! That's better. Laughing

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