Ammeter reading

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9 November 2013 at 12:36 #44906
Empire Parkstone
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@empireparkstone
Just fitted a wee ammeter twixt Batt and Esc flat out X 3 motors in the bath and showing around 25 amps .As the motors are each fused at 16A can I assume this Reading is the Sum of all 3 motors

Thanks
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9 November 2013 at 12:36 #5273
Empire Parkstone
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@empireparkstone
9 November 2013 at 13:48 #44907
Malcolm Frary
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@malcolmfrary95515
If the ammeter is between the battery and everything else, it is reading the total load. If all 3 motors are running, yes, it is the sum of all three motors. Plus whatever is being powered off the battery. 25A for the lot indicates about 8-9 amps per motor.
9 November 2013 at 18:36 #44915
Empire Parkstone
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@empireparkstone
Thanks Martin I was hoping it was that
9 November 2013 at 19:08 #44920
ashley needham
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@ashleyneedham69188
Empire.

You may find that the actual sum total of amps consumed by the model is LESS when out of the confined space of the home test-tank (assuming you are not a millionaire and have a luxury sized test-tank), as the motors will rev out a bit more when the boat is going along and so the load is slightly less (if you were worried about being close to the ESC limit or whatever).

Ashley
9 November 2013 at 22:41 #44928
Empire Parkstone
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@empireparkstone
Thanks Ashley I did wonder about that due the considerable turbulance I'll try it in my Pond when I get time and confirm the readings
13 November 2013 at 18:53 #45011
Empire Parkstone
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@empireparkstone
Ashley as usual didn't quite grasp your ref to bigger water .I was thinking just the turbulence in a bath where in fact guess you meant the boat moving as opposed to holding it back .Anyway just tried a holding trial in my pond and of course same results as the bath Thanks again
14 November 2013 at 08:37 #45024
shipwright
Participant
@shipwright
I constructed a new removable deck with a vertical wooden post. I strapped a voltmeter and ammeter to the post with a strong elastic band (there were holes in this new deck to enable the connections to the meters) and used a camera to video the meter readings – looked a bit strange but it worked !!
14 November 2013 at 09:29 #45026
Dave Milbourn
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@davemilbourn48782
This low-priced little gizmo is small enough to fit into the model and will record maximum values of volts, amps and watts. I have a larger version of the same thing which will go up to 100A (from the same supplier),

**LINK** although the manual is not exactly crammed with detail!

DM
14 November 2013 at 09:43 #45029
Empire Parkstone
Participant
@empireparkstone
Ha! brilliant would be even easier with my wee one alternates twixt Volts and amps

Sory link no work Pic in next post

Edited By Empire Parkstone on 14/11/2013 09:50:43
14 November 2013 at 09:46 #45030
Empire Parkstone
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@empireparkstone
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