battle bot drivetrain - Electronic Circuits Projects Diagrams Free

magee · 25th August 2007, 02:10 AM

i need help with a belt drive drive train i cant find anything i found this site and i like that design but i want 4 wheels not 2

http://www.seattlerobotics.org/encoder/200104/wheel.htm

me likey

magee · 25th August 2007, 02:12 AM

does any1 know where i can get a wheel like that

blueroomelectronics · 25th August 2007, 04:12 AM

He had the wheels custom made, it would cost $$$ to get that done.
Solid rubber wheels are more economical and suited for a battlebot.

magee · 25th August 2007, 04:37 AM

well i like that type of drivetrain and i actually would like a belt drive like that that i can bolt to a flatproof tire

magee · 25th August 2007, 04:39 AM

so does any1 know where i can get a beltdrive like that

**Krumlink** · 25th August 2007, 05:09 PM

You can have a motor assembly with a bunch of motors for a central drive chain, and drive the bot like a tank. You then hook up the motors to each of the wheels via chain or belt. Then do this for the other side. You can hook them up with belts and gears to get some major torque. That is how many FIRST robotics work. It is guaranteed to work well. You could also make a crab drive bot, but would probably break, but amazing maneuverability.

magee · 25th August 2007, 10:34 PM

i know i am doing tank drive but im going to make it belt drive attached to the wheel to give it extra torque and im also attaching chain and sprockets

dknguyen · 29th August 2007, 03:04 PM

Perhaps these guys can be of assistance:
http://www.cncbotparts.com/

Or you could buy a featherweight kit (or its drive module separately) from these guys where the chain and all is already taken cared of
http://www.battlekits.com/

Even though you said you want 4 wheels, I just point out featherweight because it's way way cheaper (and comes with armor!) than the other larger (4-wheel) kits.

THe drive you linked though would get smashed to bits in a battlebot (and cost magnitudes more to replace). It is possible to get flatproof, belt/chain driven tires without having to go to all that trouble.

Personally I prefer gearboxes over belts and chains...just because.

blueroomelectronics · 2nd September 2007, 01:56 AM

I'm sure magee will run out and buy one for $1200US

and possibly a working shift and punctuation keys for his keyboard.

Sceadwian · 2nd September 2007, 08:57 AM

Our half million dollar automated plating line uses standard bicycle size chain for both of it's main drive wheels and heavy duty double chain from the main motor to a reduction gear. You might want to re-think your chain prejudice dk as it's unfounded =) Chains are signifcantly more robust than gears in many situations. The smaller chain has broken only twice and that was because of a worn sprocket, and the double wide heavy duty chain has never needed anything other than occasional greasing.

Hero999 · 2nd September 2007, 02:21 PM

You can get battery operated mountain bike transmissions which you could use as a microcontroller controlled automatic transmission. If the motor starts to work too hard and draw too much current then you change down a gear to give you even more torque and if it's not working hard enough you can change up a gear to give you more speed. This will give you both speed and pulling power.

magee · 3rd September 2007, 10:18 PM

wow thats a good idea hero 999 do u know where i can get on of those or how i would wirelessly get that hooked to my controller

Sceadwian · 3rd September 2007, 10:27 PM

If you need something compact I'd recommend an RC car transmission. A mountain bike's derailer is pretty bulky. A visit to your local hobby shop should present you with some sollutions.

magee · 3rd September 2007, 10:35 PM

would an rc transmision even last in a battlebot middleweight competition

Sceadwian · 4th September 2007, 12:10 AM

Would a bicycle transmission?

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25th August 2007, 02:10 AM	(permalink)
magee	battle bot drivetrain i need help with a belt drive drive train i cant find anything i found this site and i like that design but i want 4 wheels not 2 http://www.seattlerobotics.org/encoder/200104/wheel.htm me likey

25th August 2007, 02:12 AM	(permalink)
magee	does any1 know where i can get a wheel like that

25th August 2007, 04:12 AM	(permalink)
blueroomelectronics	He had the wheels custom made, it would cost $$$ to get that done. Solid rubber wheels are more economical and suited for a battlebot. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com Last edited by blueroomelectronics; 25th August 2007 at 04:14 AM.

25th August 2007, 04:37 AM	(permalink)
magee	well i like that type of drivetrain and i actually would like a belt drive like that that i can bolt to a flatproof tire

25th August 2007, 04:39 AM	(permalink)
magee	so does any1 know where i can get a beltdrive like that

25th August 2007, 05:09 PM	(permalink)
Krumlink	You can have a motor assembly with a bunch of motors for a central drive chain, and drive the bot like a tank. You then hook up the motors to each of the wheels via chain or belt. Then do this for the other side. You can hook them up with belts and gears to get some major torque. That is how many FIRST robotics work. It is guaranteed to work well. You could also make a crab drive bot, but would probably break, but amazing maneuverability. __________________ MechTronics World of Warcraft is a disease

25th August 2007, 10:34 PM	(permalink)
magee	i know i am doing tank drive but im going to make it belt drive attached to the wheel to give it extra torque and im also attaching chain and sprockets

29th August 2007, 03:04 PM	(permalink)
dknguyen	Perhaps these guys can be of assistance: http://www.cncbotparts.com/ Or you could buy a featherweight kit (or its drive module separately) from these guys where the chain and all is already taken cared of http://www.battlekits.com/ Even though you said you want 4 wheels, I just point out featherweight because it's way way cheaper (and comes with armor!) than the other larger (4-wheel) kits. THe drive you linked though would get smashed to bits in a battlebot (and cost magnitudes more to replace). It is possible to get flatproof, belt/chain driven tires without having to go to all that trouble. Personally I prefer gearboxes over belts and chains...just because. Last edited by dknguyen; 29th August 2007 at 03:12 PM.

2nd September 2007, 01:56 AM	(permalink)
blueroomelectronics	I'm sure magee will run out and buy one for $1200US and possibly a working shift and punctuation keys for his keyboard. __________________ Bill Smart Kits build Smart People http://www.blueroomelectronics.com

2nd September 2007, 08:57 AM	(permalink)
Sceadwian	Our half million dollar automated plating line uses standard bicycle size chain for both of it's main drive wheels and heavy duty double chain from the main motor to a reduction gear. You might want to re-think your chain prejudice dk as it's unfounded =) Chains are signifcantly more robust than gears in many situations. The smaller chain has broken only twice and that was because of a worn sprocket, and the double wide heavy duty chain has never needed anything other than occasional greasing. __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."

2nd September 2007, 02:21 PM	(permalink)
Hero999	You can get battery operated mountain bike transmissions which you could use as a microcontroller controlled automatic transmission. If the motor starts to work too hard and draw too much current then you change down a gear to give you even more torque and if it's not working hard enough you can change up a gear to give you more speed. This will give you both speed and pulling power. __________________ I also post at the following sites: http://www.stop-microsoft.org http://www.heated-debates.com Screen name: Aloone_Jonez

3rd September 2007, 10:18 PM	(permalink)
magee	wow thats a good idea hero 999 do u know where i can get on of those or how i would wirelessly get that hooked to my controller

3rd September 2007, 10:27 PM	(permalink)
Sceadwian	If you need something compact I'd recommend an RC car transmission. A mountain bike's derailer is pretty bulky. A visit to your local hobby shop should present you with some sollutions. __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."

3rd September 2007, 10:35 PM	(permalink)
magee	would an rc transmision even last in a battlebot middleweight competition

4th September 2007, 12:10 AM	(permalink)
Sceadwian	Would a bicycle transmission? __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."