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>> Home > Forum > Boat Specific Chit Chat! > Which motor
Which motor
(610 views)
Author Message
Helineil
(Chief Petty Officer)





Forum Posts: 9
16th Jul 2018 14:04  
>> Permalink
mdlbt.com/43753

Could someone advise on which motor to use in a smit amsterdam tug of approx 40 ins long with a 4 blade 3 ins dia. Prop and 4 mm. shaft, I want to run on 12v sealed lead acid battery. I am not going to tow anything but would still like a bit of power.
Cheers. Neil.

figtree7nts
(Fleet Admiral!)





Forum Posts: 507
16th Jul 2018 17:16  
>> Permalink
mdlbt.com/43757

Hi Neil,

I use MFA/ComoDrill Torpedo 500.
On my Tugs and they have enough power!
I use the 2.5:1 g/box at 12 volts.
It gives about 13350 rpm's

http://www.mfacomodrills.com/gearboxes/918d_series.html

Cheers, Ed


"Fair winds calm Seas"
Colin H.
(Fleet Admiral!)





Forum Posts: 435
16th Jul 2018 17:26  
>> Permalink
mdlbt.com/43758

Hi Neil I have a 49inch tug which uses a 540 motor with 2.5 to 1 reduction box. 3inch 4 blade prop, On 12 volts pushes along nicely and with a 7amp hour battery gives about 2 hours sailing, total sailing weight is 21 kilos.
Cheers Colin.


Fair winds and calm waters,
COLIN.
Helineil
(Chief Petty Officer)





Forum Posts: 9
16th Jul 2018 18:30  
>> Permalink
mdlbt.com/43761

Hi Ed and Colin, thanks for your promp replies in helping me decide. Ihad sort of come to the same conclusion but reassurance from experienced sailors is always welcome. Iwill put an order in to cornwall models tomorrow morning.
Cheers. Neil .
Live long and prosper.

Fred
(Commander)





Forum Posts: 57
17th Jul 2018 08:02  
>> Permalink
mdlbt.com/43781

Hi
Give Brian a call /www.mobilemarinemodels.com he has some very good motors .

Fred


That's all right, Mr Ryan. My Morse is so rusty, I could be sending him dimensions on Playmate of the Month.