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Author Topic: Speed Controller size  (Read 471 times)

Gardener

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Speed Controller size
« on: January 19, 2019, 08:56:33 AM »

https://howesmodels.co.uk/product/mfa-540-5-pole-low-noise-6-12-volts/


What size Speed viper marine Controller would I need with the above motor ?
Thanks
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malcolmfrary

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Re: Speed Controller size
« Reply #1 on: January 19, 2019, 09:27:12 AM »

Taking the numbers from the link provided -
Quote
Operating Voltage: 6-12 Volts


No Load Speed @ 12Volts: 6000RPM


No Load Current @ 12 Volts: 0.17Amps


@ Max Efficiency @12 Volts: 4930RPM


@ Max Efficiency @12 Volts: 1.6Amps
I would say any that are rated for your chosen voltage.  They start at 10A, which gives plenty of safety margin, but for a very few quid more, the 15 will do exactly the same job.
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Gardener

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Re: Speed Controller size
« Reply #2 on: January 19, 2019, 10:32:03 AM »

Thanks
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john44

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Re: Speed Controller size
« Reply #3 on: January 19, 2019, 01:01:08 PM »

I agree with Malcolmfrary, go 15 amp ,with a 10 amp fuse in circuit.


John
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Gardener

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Re: Speed Controller size
« Reply #4 on: January 19, 2019, 01:08:42 PM »

Great will do !
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Netleyned

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Re: Speed Controller size
« Reply #5 on: January 19, 2019, 02:21:11 PM »

I have been running a Springer on 540, 6V lead acid
15A mtroniks and a 10A fuse for the last 8 years.
In the lake twice a week and at least one rescue each outing. Never even stuttered.
Should say though motor is water-cooled.
She pushes everything from a Club 500 to HMS Hermes at 8ft and heavy





Ned
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Gardener

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Re: Speed Controller size
« Reply #6 on: January 19, 2019, 03:15:42 PM »

 :-))
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