Technical, Techniques, Hints, and Tips > DC Motors (Brushed) and Speed Controllers

Motors for Dumas Dauntless

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Glyn Roberts:
 Hi folks

http://www.cornwallmodelboats.co.uk/acatalog/dumas-1211.html

I have built the Dumas Dauntless  (see above).   I am commited to the running gear and props That are 3/16 dog drive and 2inch 3 blade props.  The boat is driven via 2 motors and I intend to go for brushless as the original boat could reach 50 knots so I would like scale speed and then some.  My knowlege of Brushless motors is very limited and so I need to know what motors and speed controlers would suit the running gear and props. 

Thanks and regards Glyn

surfer71:
Hi there.. what did you do in the end motor wise as I have the same boat and looking to power it up. Unsure of what motors to use Brushless
I just been searching and found a You tube video of a Dautless with 3530 I think he said 14000rpm motors ! and boy it was shifting!! poss too quick!

Glyn Roberts:
Hi Surfer71   I used 2 Turnigy Aerodrive SK3 - 3536 - 1400Kv Brushless Outrunners,  and yes it really shifted.

I ran them on 3s and found that ideal.  The current price on the UK site is £24.99.
Regards Glyn

surfer71:
what luck!! I have spare two motors the same but 1250kv !! never get that luck ! LOL
what speed ESC Amp wise did you use I am using 3s as well as I just looked I thought they were 2s but they are not

Glyn Roberts:
I used this one  https://hobbyking.com/en_us/hobbyking-50a-boat-esc-4a-ubec.html
Regards Glyn

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