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>> Home > Tags > brushed

brushed motor
brushless motor
Red Cat hydroplane by RNinMunich Fleet Admiral!   Posted: 9 days ago
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 😎

Added extras by Flack Admiral   Posted: 11 days ago
I have an original Aerokits Solent powered by two Torpedo 800 brushed motors controlled by two Mtronics 25 amp brushed speed controllers. I normally use two 8.4 volt 5000 mah NiMh batteries, although I have also used two 11.i volt Lipo's. The shafts are fitted with 50mm three bladed brass propellers. The boat performs nicely on the water. My stanchions are home made from 3mm brass rod with holes drilled to take 2mm chain. The stanchions are 70mm in lenght above the deck with approx 10mm below the deck, the base of the stanchion has a suitable sized brass washer fitted where it passes into the hull, the top of the stanchion is filed to a ronded profile. Shaun

Crash Tender Shaft Tube Poistion by pmdevlin Fleet Admiral!   Posted: 13 days ago
that angle is way better, give yourself a bit of room for a bigger prop, say your 40mm, just incase. For reference, here is my original set up with a brushed 700 motor, direct drive, it ran hot! then I used a gearbox, it ran cooller, but the boat was getting very heavy by now. Currently its a brushless direct drive, its been ignored for a few years now, I must get it out and use it again. Its an original Aerokits, built in 1963 by my Uncle as a straight runner ic, the ended up in my parents attic for 30 years

Added extras by Skydive130 Chief Petty Officer   Posted: 13 days ago
Here are some shots of the main plan and the proposed electronics going into my Solent. My only issue is whether my choice of motors is suitable? I've gone with 2 x 600 brushed motors on 15 inch shafts and 45mm brass props which I purchased before reading the article in Septembers model boats mag. The author in that has gone with 2 x 850's? With my aircraft experience, it's strange going "backwards" with brushed motors instead of the aircraft industry standard of using brushless motors, esc's and lipo battery's! And to cap it all, I've not go any aircraft that could possibly drag let alone lift the 12v 7amp lead acid battery that I've bought for this boat! Any thoughts on motor choice would be appreciated, apart from that I'm good with the electrics. The Mtroniks sound board and speaker is a blast using the Napier diesel sound chip. Another shot shows some of the decor going on, i.e. RNLI decals, numbering for "Douglas Currie", portholes, anchor, handrail stanchions. Other decor, doors, bollards etc coming from Macs soon. Last show shows the finished working radar built from scrap and painted in VW brilliant orange which I believe is a recognised match. One last question, can someone please give me an approx size for the 3mm main deck stanchions which I will fashion from brass tube and soldered eyelets, rope thickness would be helpful too, many thanks

NB by manyboats Lieutenant   Posted: 13 days ago
Trying to reply to your query about Huntsman power plant, cant find the right place.... anyway cant give you a sensible answer as I dont know. It's an old brushed motor given to me. Will operate up to 24 volts and I'm running it on 14. I think its just right. Cheers

Crash Tender Shaft Tube Poistion by RNinMunich Fleet Admiral!   Posted: 24 days ago
Sorry Neil, when I wrote all the blurb above about motor mounts I didn't know you had a 600 brushed. Then you would need the 600/700/800 version of the motor mount I described. Don't know the part number but I've seen it on the Krick site. Cheers Doug 😎

Deans Seaplane tender by Dave M Fleet Admiral!   Posted: 24 days ago
SHG have mounts in their catalogue that they say are suitable for brushed and brushless. Just make sure the bolts you use are short so that they do not damage the coils on the motor. As you have opted for a LiPo do please charge and use in accordance with the instructions Please keep us posted Dave

Overlander Typhoon 625 by AllenA Captain   Posted: 28 days ago
Thanks Jarvo. Already had a look but they have deleted all brushed motors as far as I can see. Maybe I should follow suit but still hanging onto the past.

what motor by marky Captain   Posted: 30 days ago
Am building the EEZEBILT RAF tender the hints and tips suggest a 280 or 300 brushed motor but on other posts in the forums brushless motors are mentioned ,both my previous boats have been static so this is a steep learning curve for me ,Q1 brushed or brushless ?.Q2 what size ? Q3 would it be easier to buy a RC set up complete rather than individual bits and bobs ?.Q4 will defiantly follow in the near future . Any help much appreciated 👍 Cheers Marky

Seabreacher by rolfman2000 Captain   Posted: 1 month ago
I think I would be tempted to go brushless with it. Far more power for the size of motor. I don't think an 800 brushed motor would have the revs to push much water through a 50mm jet unit. Even an 850 motor would be an improvement. But going brushless, you could get far more revs out of it. Best of luck with your endeavours, Dave W 😀

Seabreacher by Captain-Steve Chief Petty Officer   Posted: 1 month ago
Hi I have a 36 inch model of a seabreacher dolphin boat powered by a 50mm waterjet and a 800 brushed motor on an 11.5v lipo.I have not got it onto the water yet and just wondered if anybody with a jetboat could say if this setup is powerfull enough

Tamar motor help by lezz57 Seaman   Posted: 1 month ago
Hi alan50 Have a look at the MFA brushed motors and run on 12v excellent web site goid information. Regards

Tamar motor help by alan50 Petty Officer   Posted: 1 month ago
Hi all Just got around to start building a Modelslipway 1/16 Tamar . This being my first model boat and RC I am at a loss to what motors to fit . I would prefer to install conventional brushed motors ,but the ones recommended a few years ago 600 eco are no longer available Would be grateful for any proven recommendations ,or any easy setup using brushless without cooling . Trying to keep it simple and not too expensive Thanks in advance for any comments .

huntsman plan by Black Dog Jack Seaman   Posted: 1 month ago
Model Boats magazine January 2016 ncluded a free plan of a Huntsman 31 complete with photos and a step by step build guide. Unfortunately the model is 24". I also wanted a bigger model so I redrew the plan double size. It wasn't too difficult and only took a couple of evenings with a some lining paper from B&Q and a calculator and voila! At the moment I am planking the roof of the cabins and trying to decide between a brushless motor and an old Weston rare earth brushed motor I used to use for fast electrics. The article in MB also ran into February 2016 where all the fiddly finishing bits were described, also with many photos. I expect one can obtain back issues from their web site. Anyone interested in Huntsmen should get these two issues for the detail alone.

What motor have I got? by Dave M Fleet Admiral!   Posted: 1 month ago
Not Quite Doug but I have a box full of motors from various sources. Mostly use Brushless nowadays as I suspect many do, but there is nothing wrong with the brushed motors and I do have many boats that run flawlessly on brushed, and in my opinion are more controllable, certainly for scale models. I once worked for a firm that stripped old computers and acquired several beautiful 24v brushed motors some with precision gearboxes. Average current draw is less than 100 Mamps. Needless to say they are German made but I have some earlier US made motors again from mainframe computers that run from 1.5 v to 24v. The tork is so great that at 12v you can't stall the motor with your fingers, but you will burn them! We used them in model tugs with 2" props. Happy days Dave