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1,869 posts for “brushless” · in Forum
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Brushless Electric Motors
My motor is an RC Smart 3480 outrunner with an EZ Run 60A ESC. 11.1 LiPo 2000mA 3 blade 35 mm brass prop. No need for water cooling, ESC has small fan cooler attached. All up weight, boat battery motor ESC and fittings 1900gm.
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ESC's for brushless motors
Can anyone tell me If all ESC's will reverse? I can see some bargains on Ebay but they never mention reversing. I just bought a Mystery brand 80 amp ESC off ebay but It was faulty. There was no voltage registering to the receiver so It will …
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46 In Fireboat Brushless Repower
hi, yes have run the 46'' fireboat several times, starting with the Turnigy 900watt motor on 12v with 4600 cells and now up to 16.8 . performance is terrific, quick onto the plane and then fast ! Have not posted video yet but a still is att …
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Brushless Motors
If it's over proped at high revs it's also overproped at lower revs so will get hot the same. HS93
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Brushless Motors
Hello, I am just a newbie here but have been into rc for lifetime. I am building a 1/12th scale all-metal #260 brass USS Holland submarine with an in-runner brush-less motor used for rock-crawler vehicles.These BL motors are very slow runni …
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brushless motor speed control
In my further investigations I came across a very good web site on electrical matters which also includes a lot of battery info. that may be of interest to others. This is "mpoweruk. com" it is worth looking at.
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Brushless Motors
HI Bob, It is hard to recommend a system that will work for you but I can tell you what I have and it works well with a 34" Crash Tender. My setup consists of a mega motor: http://modelfireboats.com/sys_files/images/MB36-4009.jpg Spec: http …
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Re: Help with the drive needed
Cobra I will look-up brushless motors
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Re: Help with the drive needed
@ColRay TRY ALIEXPRESS BRUSHLESS MOTORS PLUS ESC RUN ON 2S SHOULD DO THE TRICK, JUST USE A SMALLER PROP IF TO FAST
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Re: Sprite
… ce for the Sprite Plus when paired with a different type of brushless motor. When I worked with large scale r/c racing cars, it was not uncommon to find that some servos just did not seem to “like” working together. This was especially noti …
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Re: Bloated LiPo
… heavier. A newer class of 1/12 Mini racers allow the use of brushless motors and two cell LiPo batteries. Although these have more power, I have found better traction (more weight can help) with my old brushed 540/NiMh combination and don’t …
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Three Sea Commanders !
… ic Model Power Boat that performs really well with a modern brushless motor that can hold its own against any similar sized model power boat. Bob.
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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: 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.
… 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.
… 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.
… 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 …