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3,147 posts for “brushless”
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Re: build blog
… ig boat at 49". It's not a heavy boat, so, twin 3542-1450Kv brushless motors on 3S Lipo batteries??? The Dumas Trojan is a keeper, it was design with twin brush motors which would not pull skin off custard !!! So it's having a single brushl …
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Re: 1/8 scale unlimited hydro
… nicwake set-up would work. A water cooled aluminum jacketed Brushless motor, water cooled ESC, a high torque servo, and two 3 cell lipos would push a hydro around quite well. Dual inlet rudder and trim tabs will help as well. And then there …
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Re: 1/8 scale unlimited hydro
… I've been wondering about that for quite some time. Today's brushless motors and LiPo batteries are so powerful that an electric setup seems like a very realistic option. Excellent question, Ed. I'm looking forward to hearing what those wit …
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Re: build blog
… ads. From purely a performance perspective I think a single brushless is sufficient...?
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Re: build blog
… had a 3.5 Fuji glow engine in it but I'm going to fit twin brushless motors but haven't found the prop shaft separation.
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Re: Rapier
… r during Covid, based on Cornwalls plan. The large mtronics brushless motor fits low down in the front, although I've had trouble with the speed controller when fitted to a 3cell lipo. Its quit happy on 2cell. To fit everything in, the rear …
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Re: New planing hull design.
… shaft and an extra length of tube which is no problem for a brushless motor!+" This heartens me a lot because, from the tests I have done so far, I have seen that with very long shafts the resistance and Ampere absorption greatly increases. …
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Re: New planing hull design.
… shaft and an extra length of tube which is no problem for a brushless motor! Note that the keel design includes a raised piece for the rudder monting. Have you allowed for the coupling in the prop shaft length you are working with? I can gi …
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Re: New planing hull design.
… eads me to believe it would be difficult to find a suitable brushless motor for a big planing model, say over 50"/1270mm, as motors sold for boats don't have a high enough kV to produce a higher enough rpm unless say a pully system is used. …
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Re: New planing hull design.
… at the end of this text. Let me know what you think. As for brushless motors, however, I only have theoretical knowledge. It's obvious—and this has been reiterated many times—that brushless motors, given the same size and voltage, are much …
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Re: New planing hull design.
… er output for both types and confirms what I said that with brushless, it almost doesn't matter what power output you choose for a given diameter as even the lowest would be more than an equivalent brushed. More power is probably good as he …
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Re: New planing hull design.
… 55 turns 7,700 65 turns 7,000 80 turns 5,500 To convert to brushless motor divide the rpm by the voltage. eg 45 turn brush motor would about a 1250kv brushless motor but the power difference about 90 Watts to 800Watts . The brushless weigh …
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Re: New planing hull design.
… tten some years ago, 2011 in fact (!) but a good article on brushless motors and still relevant in many ways. The power of brushless motors is often given nowadays, certainly as regards those from Overlander Batteries. Not sure how relevant …
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Re: New planing hull design.
… ill be to conduct online market research on the brushed and brushless outrunner motors that emerged from my discussions with you. From this research, I'll obtain dimensions and weights. With the dimensions of the possible motors, I'll desig …
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Re: New planing hull design.
… I came late to the hobby, around 9 years ago, by which time brushless had become well established and largely understood so I didn't see any need to consider brushed. I do have brushed in a couple of plastic ready-to-run boats and they perf …
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Re: New planing hull design.
… the exact same ones) or the nylon equivalents. Considering brushless for now, the mounts will take a number of different sized motors as long as the mounting hole centres are the same - if say you went for a smaller motor of say 28mm diame …
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Re: New planing hull design.
… eliminate them?)* I know you're not hesitant about choosing brushless motors over brushed ones, but I'm asking you to make an effort to answer this question. Given that when it comes to fast boats, brushless motors are almost a must for man …
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Re: Sea Queen 2026 (Aerokits).
… Crash Tender Base on the Aerokits one. Great boat !!! 50mm brushless motor 450kv on 6S Lipo ( two 3S setup in series). 52mm 2 blade cnc prop. I finally ended up placing the batteries, one each side of the rudder. This made the boat handle …
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Re: Maiden Voyage
… n as my recently completed Sea Urchin, but also considering brushless power - I reckon a motor with around 1000kv coupled with a 2s lipo or 7.2v buggy pack should do well - of course the lipo pack is much lighter, but the extra weight of th …
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Re: SHIP MODELING: WHICH MODEL COMPANIES ARE STILL ACTIVE? WORLD OVERVIEW, CHARACTERISTICS AND PECUL
… ion. A Monoperm super is fitted is fitted but I might run a brushless motor, same fittings so can swap, after seeing how she runs. Roy
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Re: Maiden Voyage
+To me that is the down side to brushless, silly revs. Ok in the right boat + Nothing to do with being brushless. Problem would be with having too high a kV motor and battery voltage. I use brushless in all my builds including two very slow …
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Re: Maiden Voyage
To me that is the down side to brushless, silly revs. Ok in the right boat
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3D Printed RAF Crash Tender 35"
… el is approximately 35 inches long and will be powered by a brushless motor on a single shaft. I am currently working through the construction, finishing and painting stages, and will post updates as the build progresses. I am looking forwa …
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Re: Speed Control
… ect is exploited in the more sophisticated units (eg. Shark brushless ESCs) to provide audible programming information in the form of bleeps. I also believe it’s more efficient. Older ESCs operated at lower frequencies: my early experience …
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Re: SHIP MODELING: WHICH MODEL COMPANIES ARE STILL ACTIVE? WORLD OVERVIEW, CHARACTERISTICS AND PECUL
… modeling. The hulls are structured to accommodate electric (brushless) or internal combustion engines, rudders, and radio-controlled systems. SLEC has preserved and modernized the legendary designs of historic UK brands such as Aerokits and …
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Re: New planing hull design.
… a small fuel tank of fuel to carry in the hull. Our current brushless motors and LiPo battery packs with suitable ESC probably weight quite a lot more and should make quite a dent in the suggested additional ballast weight suggested? Bob
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Re: New planing hull design.
… /overlander.co.uk/product/3536-06-1300kv-tornado-thumper-v3-brushless-outrunner-rc-motor/ +"Here, with 300 mm of immersion (the 700 mm you mentioned seemed excessive), I would also like an immersed volume of at least 2 kg. That seems like a …
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Re: New planing hull design.
… any progress with the project), I'll show you the only two brushless motors I have (hoping to find their construction characteristics as well). I have a lot of brushless motors.