Search
1,869 posts for “brushless” · in Forum
Page 5 of 67
Forum
Too Powerful Brushless ?
… ach end and adjacent to the bearing. Unlike brushed motors, brushless accelerate to their KV rating at a very fast rate and if your installation is not solid (as concrete) you will experience all kinds of problems, all costly, and often ter …
Forum
Too Powerful Brushless ?
Hi Graham If we are talking about the Graupner Brushless Speed 500 ECO no 7295 https://www.graupner.de/Brushless-Speed-500-ECO/7295/ then yes the Kv is 500 which equates to 7500 at 14.8v. it's 50mm x 80mm with a 6mm shaft so really a heav …
Forum
Too Powerful Brushless ?
Hi Doug Brushless motors may be similar to AC motors in construction but they are powered by pulsed sequential DC so there is no AC involved. I do agree Watt metres are the best way to make sure the motor, battery and ESC max values are nev …
Forum
Too Powerful Brushless ?
… es, up until about 3 years ago. I have used the same way on brushless since. I have seen others using thinner 4 mm shafts and having problems. I have also always used a prop shaft support under the boat and if I have any type of gap between …
Forum
Too Powerful Brushless ?
… otor gets hot etc, and what sort of speed you are doing. My brushless motors are generally 800 to 900kv, and achieve 25mph in four foot heavy hulls, you want lower kv for torque, not high kv high rev motors. I got into thsi 10 years ago, th …
Forum
Too Powerful Brushless ?
… o buy a IC engine and stick in a boat was an easy task. But Brushless i'm lost. So many places have banned IC's we have to now rethink. Keep you help coming PLEASE.
Forum
Too Powerful Brushless ?
… rs rated at 215 Watts and 19.3amps max. They were the first brushless motors I tried. I was not sure how many amps they would draw, so I connected an ammeter and fitted my video camera so it read the amps whilst operating. At full speed the …
Forum
Too Powerful Brushless ?
… omplex in a dynamic system like an AC motor, which is all a Brushless is. Don't want to get into rms and power factor and co here so I agree the wattmeter is the way to go to find out what's really happening. Normally (at least here, not so …
Forum
Too Powerful Brushless ?
… ouple of boats I am hoping to get set up in the future with brushless motors. An Aeorokits Sea Commander, Sea Queen and an MFA Spearfish.
Forum
Too Powerful Brushless ?
… e Hobbyking site shows the specs on a large number of their brushless motors. I am looking at replacements for two Graupner speed 600 7.2 volts for a mate. I found a D3530/8 1700kv on Banggood with the same 5mm shaft and more grunt, less we …
Forum
Too Powerful Brushless ?
… ta, with the Fiesta drive train. In some ways I believe the brushless motor manufacturers/sellers are responsible for the confusion. Mostly we see the kV, physical size and the number of Lipo cells required. You need to dig deeper to find o …
Forum
Too Powerful Brushless ?
… otor specs are here https://hobbyking.com/en_us/watercooled-brushless-inrunner-3660sl-3180kv.html?___store=en_us It's rated at 1690 watts and is far too high kv for this model.
Forum
Too Powerful Brushless ?
… s well as a different motor. I use 3 blade brass props with brushless and have no problems but do keep the prop size to a diameter no greater than the motor diameter, as Mark advises. It's difficult to see how much space is in the hull to a …
Forum
Too Powerful Brushless ?
… onal experience tells me you don't get a second chance with brushless, you have been fortunate if it is only the prop tube has suffered. Is your hull wood, plastic, fibreglass? Whilst Araldite is a fine adhesive you may need to use Stabliz …
Forum
Too Powerful Brushless ?
… t I am not an expert ( I am currently trying to decide what brushless combo to fit to a 34" RAF Crash tender) - clearly your motor is turing your prop shaft way to fast. With your motor spec of 3180 kV and a 14.7 V Lipo - your motor will be …
Forum
Brushless motors
Hi I'm going to use brushless motors for the first time. I have a brushless ESC. Can I run two motors off of one ESC like brushed motors or will I need two brushless ESC's
Forum
Brushless motors
… le bit helps. Doug has answered your question re wiring the brushless motor to the ESC. I would just add that you should not swop any wires whilst the battery is connected. I would also advise that you fit a fuse between the main battery an …
Forum
Brushless motors
Yes Colin, in essence that's all a brushless motor is! Cheers Doug PS: How's KGV getting on? I'm still into Sea Scout and PT boat renovations / conversions. But I know what my next 'new build' is! See pics, 'undreds of bits an' pieces
Forum
Brushless motors
… hat's just like a 3 phase motor. is it always like that for brushless motors.
Forum
Brushless motors
Hi Spitfire This is one of your brushless ESC's. As you have indicated the wire is the red one with a brown wire and yellow wire either side and the black bit is the plug. if you turn it over you will see the tab that I suggested lifting to …
Forum
Brushless motors
Thanks Dave I'm very new to this brushless world and not quite sure what a ESC or BEC is yet. is one of them a speed controller. I think I'm being a bit thick here and do not want to cut or remove the wrong red wire. As there a few. May hav …
Forum
Brushless motors
… d thanks. This sounds all very complicated. I've never used brushless mortors before. Or brushless ESC. Disconnect red lead ? Anyone got a diagram out there they could send me
Forum
850 Brushless
Hi canabus, could you please tell me what brushless motor's you have in your, Sea Hornet,Sea Commander and Sea Queen pelese. I have all three of these as well. Somewhere down the line I will be converting those to brushless. I don't underst …
Forum
850 Brushless
Does anyone know of a brushless motor that is the equivalent of the MFA 850 Tornado ? Approximately same rpm / power (or slightly more power).
Forum
850 Brushless
Hi Andy Slightly more power with a brushless motor is a no go!!! Brushless motors the same size are far more powerful !!! But, the about same RPM a Turnigy L5055-700kv(500 rpm more on a 4S(14.8 volts) Lipo battery would be a good replacemen …
Forum
850 Brushless
… omething close to the MFA850 performance - or better as the brushless motors are more powerful size for size and LiPo batteries much lighter. http://www.thercmodelboatforum.com/t1234-brushed-to-brushless As a guide here is a table of the Gr …
Forum
3 x Brushless Motor control?
Hi All This Thread was started to seek help on Brushless motors. I have used and built Action kits for many years and was friends with Craig Talbot who introduced the range. I posted this link in response to the original post http://www.com …
Forum
3 x Brushless Motor control?
Hi I'm new to RC boats but not model making, I have 3 small brushless motors an 3 esc, but I can't find a way of controlling them? On you tube there is a MTB with a large control unit connecting the 3 esc' but I cannot figure out who makes …