π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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After talking with Mtronics it would seem that 4amps is not an unusual draw for 400 motors. 2 400's in the Pilot boat was considered to be pushing it a bit. When compared to the Race400's recommended by Aeronaut then the Mtronics 400were of much higher revs. I have 2 unspecified 380's at much lower revs, slower but no issues. Might just go over to yachts.π
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π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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Awaiting for a call back from mtronik. latest test proves faulty motors. MT specification states 12v nominal 1 Amp current. After buying a new multimeter, mine was 30 plus years old I ran a motor from 12v 7amp hr battery. After 2 minutes the motor was drawing 2.87amps and the casing temperature was 47 degrees C. I await the call.
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π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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Yes
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π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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I have a bench no load fixture I made. they get extremely hot under no load after 5 minutes at max stick movement. They should be operating well within tolerance.
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π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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No these motors are brand new. bought to replace the 2 that warped the engine mount on my \aeronaut pilot. I tried running them on 12v. result was hotter faster.
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π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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Thanks redpmg. I have a 12v battery I was planning on putting into a scratch built anchor handling vessel I am building. I think I will divert it for some bench testing. I'll let you know the outcome.
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π Hot motors
3 years ago by
π¬π§ highwayman (
Leading Seaman)
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Has anyone had experience of Mtroniks 400 motors running hot. I have 2 that are untouchable after 5 minutes of no load running at 7.2 volts. Any Ideas?
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π Schottel drives or Kort Nozzle
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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Thank you
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π Schottel drives or Kort Nozzle
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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I am seriously considering making the Shell Pioneer by Phil Thomas. Apart from cost as the schottle seems very expensive and I would think prone to break downs considering the spare parts advertised. What are your thoughts on pros and cons?
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π¬ Re: Pilot build
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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Thanks for the reminder. I forgot the qualities of Acetone.
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π Pilot build
4 years ago by
π¬π§ highwayman (
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So many years later. Pilot Boat, much more to be done.
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π Black Bess
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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π Pilot build
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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Still a long way to go and not a very systematic build schedule. It had to go in the water though. as a first build for a good number of years I think I might reconsider getting an ABS constructed boat as a first. Lots of gluing issues. But hayoh onwards and upwards.
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π Newbie Pilot
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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π Newbe Pilot Build
4 years ago by
π¬π§ highwayman (
Leading Seaman)
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I needed something to do during lockdown, so I decided to build a boat. I have built model aircraft and the last radio controled boat I had built was using 27Mhz. A while ago. I asked a supplier to send me the Aeronaut Pilot, radio and something to put it together. That's when I discovered Revel cement doesn't stick ABS. After a while general handling of the hull was accompanied by a clicking sound as various frames and skins became disjointed. The solution was a bottle of pipe jointing cement that had been on the shelf for some time. Those joints that didn't come undone were filleted with Devcon 2 prior to a hull water test. The superstructure is next on the agenda. Fingers crossed.
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