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How many revs do you need on a brushed motor for a 32" model
5 Posts · 4 Followers · 2 Photos · 20 Likes
Began 4 months ago by
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Latest Post 4 months ago by
Midshipman
New Zealand( Newest Posts Shown First )
📝 How many revs do you need on a brushed motor for a 32" model
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Country: 🇳🇿 New Zealand
Online: 2 days ago
Online: 2 days ago
Nice looking craft, well done and very authentic. Cheers Ian
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Ian Langley
📝 How many revs do you need on a brushed motor for a 32" model
68 Views · 3 Likes
Country: 🇬🇧 United Kingdom
Online: 21 hours ago
Online: 21 hours ago
Hi Roy, Thanks for your valued advice. I have ordered a MFA 38O from Howes models. Cheers D
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AlessandroSPQR
roycv
hermank
Fleet Admiral📝 How many revs do you need on a brushed motor for a 32" model
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Country: 🇬🇧 United Kingdom
Online: 4 hours ago
Online: 4 hours ago
I would replace the motor with a similar size 380 MFA motor. I have one that runs a 40mm prop, 7.2 volts battery @2.5 amps. It should just be right for your boat.
The 6 -15 volt motor is not so powerful and changing the motor for a motor of similar dimensions will be least disruptive to the drive line. A Graupner Speed 400 would do as well.
Roy
The 6 -15 volt motor is not so powerful and changing the motor for a motor of similar dimensions will be least disruptive to the drive line. A Graupner Speed 400 would do as well.
Roy
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thadlietz
PeteJev
Steve P
Ronald
hermank
DuncanP
Vice Admiral📝 How many revs do you need on a brushed motor for a 32" model
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Country: 🇬🇧 United Kingdom
Online: 9 hours ago
Online: 9 hours ago
Hi Duncan
I work on 12k. unloaded to give around 10k. when loaded when on the water, though you could get away with 9k. as you don't want manic performance.
Chris
I work on 12k. unloaded to give around 10k. when loaded when on the water, though you could get away with 9k. as you don't want manic performance.
Chris
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Steve P
hermank
DuncanP
AlessandroSPQR
Scratch building 7 Faireys at a scale of 1:12
📝 How many revs do you need on a brushed motor for a 32" model
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Country: 🇬🇧 United Kingdom
Online: 21 hours ago
Online: 21 hours ago
You may have seen the video of Flying Christine II model on my recent build blog. It is fitted with a MFA torpedo 400 4.5V -> 15v motor with a 8.4v NiCad battery. I want it to be able to just lift onto a plane so a bigger motor is required. A brushless motor has been suggested but that would mean also changing the ESC and I want to keep the price to a minimum!! I've looked at the 500 series motors but the have a range of RPMs. What do you advise as a minimum RPM of a motor with a 35mm 3 bladed prop please?
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premecekcz
thadlietz
ColinJ2
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