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SupportOld Support Forum Archive - Info OnlyMotorsGeared Motors over 100WCan you recommend a motor?
SupportOld Support Forum Archive - Info OnlyMotorsGeared Motors over 100WCan you recommend a motor?
Can you recommend a motor?
| Technobots FAQ » Motors » Geared Motors over 100W » Can you recommend a motor? | « Previous Next » |
| Author | Message | ||
| Alan Jenkin (Alan_jenkin) Member Username: Alan_jenkin Post Number: 1 Registered: 12-2007 |
I'd like to power the tracks from a Micro digger/tracked dumper by electric, im guessing the weight of the tracks, chassis and rollers will be about 70-80kg but i would like to power it up to 150kg in weight. i only want it to travel at a fast walking pace, can you give me any advice on what motor to use? Alan |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 643 Registered: 10-2004 |
Alan, What is the diameter of the drive sprocket on the track? |
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| Andrew Cressey (Komatsu) Member Username: Komatsu Post Number: 1 Registered: 2-2008 |
Hello there i have just finished making a radio controlled front loader,i have purchased a large differential but need a 24v motor to turn it.The model weighs about 300kg and is 69inch long i have tried numerous axles from mobility scooters and all fails i now have this industrial differential but really need advice on motors and gearing. Hope you can help before i pull my hair out. Cheers Andy. |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 696 Registered: 10-2004 |
Andy, I take it it is not tracked as you have a diff? What is the diameter of the drive wheels and what speed are you hoping to get? Regards Paul |
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| Andrew Cowan (Cowana) Member Username: Cowana Post Number: 12 Registered: 5-2008 |
I need a motor for my project that is around 200-500W and turns at around 800rpm. What is the closest you have? Thanks, Andrew |
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| Andrew Cowan (Cowana) Member Username: Cowana Post Number: 13 Registered: 5-2008 |
I will give you some more details on the project. I am building a buggy that will operate on flat ground - probably tarmac. I want it to go about 20 to 25mph, and have one geared motor per side. As the robot will weigh about 20kg, I think that 300W+ per side will be needed - giving 30W/kg. This should be OK to accelarate it up to 25mph quickly (do you agree?). The rpm needed depends on the wheels used. For 25mph, I would need the following rpm: Wheels: RPM needed: 100mm 2134 rpm 200mm 1067rpm 250mm 854rpm 300mm 711rpm Do you have any 300-500W motors that spin at these speeds? I don't want to have to build my own gearbox. Andrew |
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| Admin (Admin) Board Administrator Username: Admin Post Number: 863 Registered: 10-2004 |
Andrew, Our range of motors is now severly limited due to restocking problems from the factory in China. I always recommend 15W/kg as a starting point and modify this depending the final speed and duty. A 20kg buggy should be fine at 150W / side, 300W is plenty. Whilst we have suitable motors, you would need to build your own reduction using chain / sprockets or gears. |
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