Author Topic: 2 or 4 servos  (Read 2745 times)

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Offline roboboy12Topic starter

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2 or 4 servos
« on: January 02, 2009, 02:59:12 PM »
would it be better to go with 4 servos insted of only2
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Offline cooldog

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Re: 2 or 4 servos
« Reply #1 on: January 02, 2009, 03:01:18 PM »
depends on the robot

4 servos use more elctricity so you need more batterys but they are stronger

2 servos use less energy so you don't need alot of batterys but they are weaker

for a indoor robot 4 servos is overkill


what type of robot are you making?
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Offline frodo

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Re: 2 or 4 servos
« Reply #2 on: January 03, 2009, 12:33:38 PM »
it also depends on the terrain and power usage of your robot. eg. its like a car - 4 wheel drive on rough terrain and 4 servos for rough terrain for robots. also if the power usage of your robot is high it may be good to use 2 servos to not use as much battery power.
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Offline Rebelgium

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Re: 2 or 4 servos
« Reply #3 on: January 03, 2009, 02:34:25 PM »
it also depends on the terrain and power usage of your robot. eg. its like a car - 4 wheel drive on rough terrain and 4 servos for rough terrain for robots. also if the power usage of your robot is high it may be good to use 2 servos to not use as much battery power.

How are we supposed to answer questions like that?

You give no information at all about what you want as a result. No info about what type of servo's. No info about your purpose...
Next time, make sure there is plenty of information.
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Offline cooldog

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Re: 2 or 4 servos
« Reply #4 on: January 03, 2009, 04:12:33 PM »
i thnk you ment to wuote the original first post not the reply
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Offline roboboy12Topic starter

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Re: 2 or 4 servos
« Reply #5 on: January 07, 2009, 08:09:04 PM »
security out door but four servos means more off my buget
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Offline Razor Concepts

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Re: 2 or 4 servos
« Reply #6 on: January 07, 2009, 08:31:34 PM »
Servos will be too slow for an outdoor robot, you'll be barely crawling on the ground. I suppose you could get some high-torque servos, but for that price you can just get bigger gearmotors that will work really well.

Offline Admin

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Re: 2 or 4 servos
« Reply #7 on: January 10, 2009, 09:23:55 AM »
Servos will be too slow for an outdoor robot, you'll be barely crawling on the ground. I suppose you could get some high-torque servos, but for that price you can just get bigger gearmotors that will work really well.
I disagree. Look at my ERP on the MOBOT race course ;D
It used simple HS-311 servos.

That being said, the OP (person who opened the post) told us nothing about his robot so its impossible to answer the question. ;D

Offline roboboy12Topic starter

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Re: 2 or 4 servos
« Reply #8 on: January 11, 2009, 12:05:27 PM »
heres my design
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Offline SmAsH

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Re: 2 or 4 servos
« Reply #9 on: January 11, 2009, 07:49:40 PM »
even with that picture its still hard to say, can you atleast tell us what kind of terrain i needs, or how fast it needs to be? and if it needs to carry a payload at all?
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Offline Razor Concepts

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Re: 2 or 4 servos
« Reply #10 on: January 11, 2009, 09:02:46 PM »
Servos will be too slow for an outdoor robot, you'll be barely crawling on the ground. I suppose you could get some high-torque servos, but for that price you can just get bigger gearmotors that will work really well.
I disagree. Look at my ERP on the MOBOT race course ;D
It used simple HS-311 servos.

That being said, the OP (person who opened the post) told us nothing about his robot so its impossible to answer the question. ;D

What nice, smooth concrete that was  ;)  Outdoors usually means lawn/grass/dirt kind of stuff, and grass especially slows things down a lot. Maybe 4 high torque servos would do it, but that's a lot of money to waste, gearmotors would be cheaper.

 


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