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Search took 0.00 seconds. Search: Posts Made By: Synchro909
Forum: Model A (1928-31) 01-27-2021, 12:26 AM
Replies: 49
Views: 5,512
Posted By Synchro909
Re: How difficult would it be to convert this water heater from 12V to 6V?

I see no disagreement at all. As you say, P=IE. Resistance (R) is E/I. R is constant. That is, it is unchanged regardless of what voltage is supplied to it so if the voltage is halved, the current is...
Forum: Model A (1928-31) 01-26-2021, 03:59 PM
Replies: 49
Views: 5,512
Posted By Synchro909
Re: How difficult would it be to convert this water heater from 12V to 6V?

[QUOTE=Badpuppy;1977827]Power is proportional to the square of current. Fans will run about 1/2 speed.


See nkaminar's post at #34.
Yes, power is proportional to current squared but consider...
Forum: Model A (1928-31) 01-24-2021, 10:33 PM
Replies: 49
Views: 5,512
Posted By Synchro909
Re: How difficult would it be to convert this water heater from 12V to 6V?

When the motor is running at 1/4 speed, it won't move much air and can be easy to stall. That can lead to a burnout.
Forum: Model A (1928-31) 01-24-2021, 04:54 PM
Replies: 49
Views: 5,512
Posted By Synchro909
Re: How difficult would it be to convert this water heater from 12V to 6V?

My earlier post about connecting the fans in series was wrong - sorry 'bout that!
Running it on 6 volts would drop the power of the fans to one quarter of what it was. I would not recommend it....
Forum: Model A (1928-31) 01-23-2021, 10:10 PM
Replies: 49
Views: 5,512
Posted By Synchro909
Re: How difficult would it be to convert this water heater from 12V to 6V?

I suspect the only thing/s electric in that heater are the fans. There appear to be two of them so pull it apart and connect them in series.
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