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>> Home > Tags > brushless

brushless
brushless motor
brush
brushed
brushed motor
brushless
Hooligan Free by BOATSHED Commander   Posted: 1 hour ago
Looks like a nice mod on her. I have one but wasn't happy with it as it didn't have a very good radio range. But did go quite well in the radio range she had. That should be a lot better now you have done this to her. I gave my brother one that I got from a boot fair that cost me a £5er. He ripped out the insides and has fitted it with a small brushless motor and 2.4gh radio and it is not so much a hooligan but more of a total maniac. But good fun.

Predator (Aeromarine Laminates USA) by BOATSHED Commander   Posted: 1 hour ago
Hi can you tell me how your Predator performs on the water with the brushless outboard please. What water surface is best with a tunnel hull like yours and brushless outboard. I have got a Graupner Rhode Island F1 Tunnel Hull with a similar outboard. I have not run her yet as unsure of what water conditions she would like plus too many other things have been going on during this summer. I am hoping to get to run her next spring. But would like some advice on this. I look forward to your help please.

MFA Piranha by BOATSHED Commander   Posted: 2 hours ago
I have a MFA Piranha almost finished in my shed and a MFA Spearfish I purchased from a model shop in Cromer. That shut down not long after I purchased it. That's still in the box as new. I intend at some point to put in a brushless motor. I have one already. I got both Motor and Speed controller the same as in the ProBoat 29" Blackjack. I already have the ProBoat Miss Geico that is a maniac on the water. So I'm hoping once I do the Spearfish that will also be awesome.

Seabreacher by Captain-Steve Chief Petty Officer   Posted: 7 hours ago
Tried seabreacher out with new ballast and brushless setup.....Had a nice long walk through the woods to retrieve the model after it beached itself on the other side of the waterway...😱😱😱

46" Firefloat What Motor/Battery by jarvo Fleet Admiral!   Posted: 9 hours ago
Hi J. Your motors are nominal voltage 7.2v. Try a single 7.2v 3300 NimH pack, quality from Component Shop. It will be short running time, powering 2 motors but will give you an idea of performance, then you could buy a second, 1 for each motor, if this did not work out or you want more performance then go for brushless motors, still with the 2 battery packs. I would try the single pack first, suck it and see, develop it from there without breaking the bank!!!! Cant see any ESC, have you got 1 or 2? if 1 use a 'Y' lead to connect the second battery. Mark

46" Firefloat What Motor/Battery by jarvo Fleet Admiral!   Posted: 14 hours ago
HI JJ. Your question about a safety bag, Damaged / overcharged lipo's can catch fire, think of the Boeing scandal that grounded the fleet last year. Charging in a safety bag is advised the bag is fire retardant material, which will contain any problem. Your remarks about the boat not coming onto the plane is down to the weight of the battery, my fireboat started with 7.2v NimH packs 1 for each motor, Graupner 700bb's, good cruise but not quick, but short run time, 10mins. I have re-wired to allow 3s lipo's, but not had chance to test it yet, but should go like stink. With a fast hull, weight is important, 4 x lipo packs, 1kg, half the weight and possibly 6 times the power delivery. In your first post you mention 600 motors on 6volts, they are probably rated at 8.4volts, same as my 700's hence the lack of performance, also the battery, at 12ah it should last about 30mins, was it fully charged??? and is it showing at least 6volts, ie not got a duff cell??? Canabus, in his post described an ideal set up with brushless motors, 1600 watts is just over 2 hp, 750 per horsepower so you can see the difference in performance with different motors and battery set up's

46" Firefloat What Motor/Battery by canabus Admiral   Posted: 18 hours ago
Hi What type of props are you using(size and number of blades). I see your basic problem is under powered motors and a very heavy battery. I made the big switch over three years ago from brush to brushless motors and to Lipo batteries. With the help on the forum and club members it was a learning curve, but, I would not go back. A 5800mah Lipo battery is in the weight of 450 to 570 grams and would give you a good 1/2 hour run time. A good balance charger and safety bag are the main requirements, also maximum charging for the 5800mah battery is 5.8 Amps(same as the old Nicads). Also a low voltage battery alarm. Your 600 motors can draw up to12Amps !!! Replacement same size motors for your mounts would be 35mm brushless motors, but, you will require two ESCs with a Y connector to run on the same throttle channel. Replacement brushless motors are far more powerful e.g. a Hobbyking 3639-1100kv with a 60Amp ESC on a 4S 5800mah Lipo Battery is 800watts and with two in your boat is 1600 watts!!! Your old motor would in the 100 watt each mark !! I have the same size crash tender, but, with a single brushless motor. I have all the order numbers for the motors etc. and a setup the ESCs if your require. Canabus

Predator (Aeromarine Laminates USA) by bilzin Chief Petty Officer   Posted: 1 day ago
Aeromarine Laminates Predator 21 hull with HK 2630kv brushless outboard and Turnigy 120a w/c esc. Waterproof metal geared Servo and will have 4-6s lipo when completed.

DPI Silencer ( aka Tiddler 616) by bilzin Chief Petty Officer   Posted: 1 day ago
From the DPI (US) kit, tempted to upgrade to a brushless but goes like otznot with the fitted brushed motor though !

46" Firefloat What Motor/Battery by moormedic Seaman   Posted: 1 day ago
Hello chaps. I'm very new to this but have just finished scratch building a 46" Vosper Firefloat in the old Aerokits fashion (ie all wood) to the point where I've primered it, fitted a radio and couple of motors (Graupner 600 chosen at random cos they looked adequate!) and a Lead Acid 6v 12Ahr battery. Tried it on the local canal today and two problems. 1: its underpowered...nearly gets on the plane with a fresh battery but not quite. 2: The battery only lasts about five minutes. I'm an old git and don't understand "Lipids" or the benefits of "Brushless Motors" etc and would appreciate any help or advice any of you experienced guys could offer me please on motor/battery choices to get the thing planing and running for more than five minutes. Many thanks in anticipation Cheers John

Sea Queen Prop shaft by Dave M Fleet Admiral!   Posted: 2 days ago
Hi AndyG Not sure what type of coupling was supplied but I use a common Universal coupling on my 48" Sea Queen and use a brushless 42 size 850Kv water cooled motor of 700 watts and it is happy driving a Prop Shop prop of 42mm at 45 amp on full throttle. Power is from an 11.1v Lipo of at least 2200 mA but Nimhs would work, just not as fast and less duration. My motor is mounted in the main cabin and I have no problem with the prop shaft. Originally designed for IC power so perhaps you have heard of problems when we used such powerful and not so well controlled devices. My model goes on the plane very easily and any more power would make it unstable. Pics attached to show my set up. You can just see the coupling in front of the motor.

Sea Queen Prop shaft by AndyG009 Chief Petty Officer   Posted: 2 days ago
Hi all Have purchased a Sea Queen kit, and after getting info from this site plan to fit a brushless motor and Lipo's. Have been advised to change coupling from supplied, for one that will take the power - comments please. Also is there likely to be problems with more power going through the long M4 prop shaft ? I would rathersolve problems now before boat is built, so any help would be useful.

Sea Queen Gasoline by modelboatdevil Seaman   Posted: 5 days ago
The Sea Queen was built from an Aerokit Kit and ran for awhile with brushless SSS5694 motor on 4S and it was too fast, so decided to do something about it. Since I have given up running Nitro for more than two decades so I have put a Zenoah 20cc ETI on the boat. On test run it ran okay with enough power, the best thing is that it has smoke and sound to make it more fun.

Richards 48" Swordsman by olly49 Chief Petty Officer   Posted: 6 days ago
I bought and built my Huntsman back in the late 70's. Decided last year to refurbish her. She is powered by a T600 brushless motor, 2 11.1 v lipos these are positioned midships, x50mm prop, tends to start bow down but when on the plane she looks a beautiful sight. I must say of all the boats I have this is the favorite one.👍

Veron Vosper RTTL 28" by Skydive130 Admiral   Posted: 7 days ago
The plans are lovely! Really remind me of my keilkraft days as a nipper! Obviously the model was designed when ic motors where the norm, however with the advent of brushless motors and limo batteries, it now gives us the chance to rebuild these classics from yesteryear with cheap electronics! I think motor, esc, lipo and prop shaft cost about £30, wood another £30 odd, a few odds n ends from the spares box, should have a nice vintage model built for less than £80 allowing for any minor purchases! Will start building again Wednesday, watch this space!