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Author Topic: Motor suggestion 1/24 S-boot  (Read 3224 times)

jaymac

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Motor suggestion 1/24 S-boot
« on: March 12, 2017, 07:43:31 pm »


Been running  my 1/24th S-boot  on 3x 850's / 2 X 3's   and 3 X45 mm raboesch props whilst max speed is possibly just about there  it has to be at full throttle to so do not to mention she is bloody heavy.  Considering   going brushless    which would  be best  just 1 big  centre motor  with Outer props   freewheeling, or just the 2 outers driven  or all three driven  albeit smaller motors I want to keep the same props if  practical and also not have to mess about with cooling systems
Jay
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gra2

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Re: Motor suggestion 1/24 S-boot
« Reply #1 on: March 16, 2017, 09:11:33 am »

Hi Jay I have removed three brushed motors from my 1/24 scale S boat and run one brushless motor on centre shaft with flank props freewheeling.
The brushless motor is a Turnigy 3648 1450kv outrunner operating on a 3s lipo.
Prop is three blade brass at 36/40mm diam.
Boat performs very well.

Hope this helps.

Graham
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jaymac

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Re: Motor suggestion 1/24 S-boot
« Reply #2 on: March 16, 2017, 12:35:23 pm »

Thanks Graham  thought everybody had gone back to Brushed :}   OK performs very well   is that flat out at scale speed  or  with   a good bit in reserve and what sort of run time Please. Mine  is  pretty much fast enough but thats flat out with  short runtime. What esc are you using and does it need water cooling
Jay 
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gra2

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Re: Motor suggestion 1/24 S-boot
« Reply #3 on: March 17, 2017, 05:44:25 am »

Jay my boat has plenty of speed in reserve in this setup.
I run for about half hour with some speed runs/slow runs and drifting about.
ESC is a brushless Graupner /Hawk 50A without water cooling P/N S3068/
Battery is a Turnigy 3s 4500ma 30 to 40c discharge rate.
I am going to try a 2s 5000ma 30/40c discharge battery as well.

The ESC instructions are actually labelled SJ Incorporated.
I also purchased a Hawk Wizard Programmer with Esc it makes things very easy for setup.
You can also use programmer to see how many rpm motor actually used while running.

Graham
 
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Klunk

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Re: Motor suggestion 1/24 S-boot
« Reply #4 on: March 17, 2017, 06:33:56 am »

Question on this as well. I have a 1/24 eboat which was powered by 850 motors x 3. If I put this brushless as center and 2 less powerful motors say 850kv as the out runners, how would I control them for manoeuvring on the out runners and high speed on the center. Obviously 1 esc for center.....1 or 2 for outboard. Preferably to run off 1 stick. Is this feasible? ??
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gra2

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Re: Motor suggestion 1/24 S-boot
« Reply #5 on: March 17, 2017, 06:58:58 am »

Hi I have used an Electronize switcher or auto relay to do this but I cruised on centre motor and when I push centre motor throttle full forward the flank motors switch on for full speed.
You only need a esc for centre motor.
With the auto relay you require a small size 9v battery to power circuit.

Graham
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jaymac

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Re: Motor suggestion 1/24 S-boot
« Reply #6 on: March 17, 2017, 09:08:17 am »

Thanks Graham may have to    get another brand motor  with similar   specs as   your one does not seem to be available in the UK  and HK being the proverbial PIA    keep sending me to the OZ site and  then they can't  give any shipping details I'll   update this when ever


Klunk  have you found one of these motors?
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Klunk

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Re: Motor suggestion 1/24 S-boot
« Reply #7 on: March 17, 2017, 09:26:38 am »

Nearest was a 3650 at 1450kv priced at £18 uk hobbyking
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jaymac

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Re: Motor suggestion 1/24 S-boot
« Reply #8 on: March 17, 2017, 12:55:08 pm »

can't find that one  least  not as an outrunner
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gra2

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Re: Motor suggestion 1/24 S-boot
« Reply #9 on: March 18, 2017, 03:42:16 am »

Jay and Klunk I am sure you will find other motors that will do the job just as well as mine.

I could get the motors for you here in Australia but I think it would end up being costly.

Graham

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jaymac

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Re: Motor suggestion 1/24 S-boot
« Reply #10 on: March 18, 2017, 10:15:09 am »

Thanks for the offer  Graham  I will see what HK Aus .comes up with not to many quite as  powerful  in that price range though. I suppose one could go for the  2x outers   with   lesser motors.If needs be [/size]I might take you up on that . You couldn't  pop a picture in  of your layout if you have time  PM if you prefer
Thanks
Jay




Jay,  I have 'upped' your print size

ken
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gra2

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Re: Motor suggestion 1/24 S-boot
« Reply #11 on: March 20, 2017, 08:18:31 am »

Jay I will get a couple of photos for you.

Graham
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jaymac

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Re: Motor suggestion 1/24 S-boot
« Reply #12 on: March 20, 2017, 08:35:48 am »

Thanks Graham I have spoken to HK and  it seems  that Oz  cannot ship to UK  and UK has discontinued it.International  is out of stock  :((  so until hell freezes over I guess
 Jay


Thanks for the upgrade Ken
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gra2

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Re: Motor suggestion 1/24 S-boot
« Reply #13 on: March 20, 2017, 09:25:21 am »

Jay pm sent.

Graham
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jaymac

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Re: Motor suggestion 1/24 S-boot
« Reply #14 on: March 20, 2017, 10:35:51 am »

Graham
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Jay
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