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5 postsBuilt from a Glassfibre hull, brought on Ebay for £35 the hull is a slim mono racing type with a self-righting side cabin it runs a 1400W 14V 2958 4200KV Brushless Motor and 29-S Water Cooling Jacket with additional air cooling fan.
I did not want to use a flexi drive as high maintenance and prone to failure so the shaft runs via two universal joint one at each end. the propeller is a 38mm copper alloy
The ESC is a 200W and water cooled the twin rudders supply separate water one for the motor and one for the ESC.
The rudder are positioned to reduce prop-walk and are hinged to prevent damage if you hit a object in the water and also for ride adjustment.
Turn fins and trim tabs for ride adjustment were provided by a spares kit for another boat. also foamed and added an inner sealed hatch, a rubber bump strip and safety loop.
- WingcoaxPetty Officer 2nd ClassIt certainly looks like we are having notification problems again, First it was very few getting through and now we get 14 YES that is fourteen of the same.It certainly looks like we are having notification problems again, First it was very few getting through and now we get 14 YES that is fourteen of the same.Liked by Inkoust
- RNinMunichFleet AdmiralHi, thanks for the info👍 I'm new to BLs, but learning fast, and your experience confirms my growing suspicions that outrunners not only deliver more torque than inrunners (size for size) but that they are also more reliable and seldom need water cooling.Hi, thanks for the info👍 I'm new to BLs, but learning fast, and your experience confirms my growing suspicions that outrunners not only deliver more torque than inrunners (size for size) but that they are also more reliable and seldom need water cooling. Your new motor seems to be a larger diameter 58mm?, as opposed to 31mm for the old one, so I begin to wonder if the old ones were simply overloaded by a big prop causing them to draw more and more current and hence cook! 😡😭 Check out this test drive (Italian)of your new type motor!! https://www.youtube.com/watch?v=4_dlcLbFehw cheers Doug 😎 PS Caption says that with more than 3/4 throttle the boat becomes unstable! Then it flips 🤔
Your new motor seems to be a larger diameter 58mm?, as opposed to 31mm for the old one, so I begin to wonder if the old ones were simply overloaded by a big prop causing them to draw more and more current and hence cook! 😡😭
Check out this test drive (Italian)of your new type motor!!
cheers Doug 😎
PS Caption says that with more than 3/4 throttle the boat becomes unstable! Then it flips 🤔 - RNinMunichFleet AdmiralPS Don't worry about 'adding up' the Watts and Amps!PS Don't worry about 'adding up' the Watts and Amps! True the spec says 12.6v and 35A, which theoretically gives 441W. And the power is rated at 220W. This simply indicates to me that the motor scoffs 441W of power (at Max ratings) and spits 220W out again, i.e. ~50% efficiency 🤔 Almost any decent brushed motor will beat that! But with other penalties😉 Cheers Doug 😎
True the spec says 12.6v and 35A, which theoretically gives 441W.
And the power is rated at 220W. This simply indicates to me that the motor scoffs 441W of power (at Max ratings) and spits 220W out again, i.e. ~50% efficiency 🤔
Almost any decent brushed motor will beat that! But with other penalties😉
Cheers Doug 😎
- skibooMaster Seamanalan the hull is fibre glass scale model of new venture moulded by bill wood for me she is same scale and design as my own fishing boat was built early 70s all the rest is totally scratch built from my original drawings glad you like it winch lights radar all wired up and working I hope to give it arun out on next sunday morning allgoing well will put some pictures on afterwards rgds r w angusalan the hull is fibre glass scale model of new venture moulded by bill wood for me she is same scale and design as my own fishing boat was built early 70s all the rest is totally scratch built from my original drawings glad you like it winch lights radar all wired up and working I hope to give it arun out on next sunday morning allgoing well will put some pictures on afterwards rgds r w angus