Author Topic: Robotics Questions MEGATHREAD  (Read 27944 times)

Offline cephalopod

Re: Robotics Questions MEGATHREAD
« Reply #200 on: May 30, 2017, 06:34:09 AM »
The free emachineshop software has some nice 2D CAD tools with easy centre of mass calcs.
Most of the single tooth designs I've known of or have been involved with have been done in that software, including the Neutron disc and new Apex bar.

Offline TommyProductionsInc

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Re: Robotics Questions MEGATHREAD
« Reply #201 on: June 04, 2017, 07:37:25 PM »
Are there any starter kits for robots? Or any basic blueprints for a traditional combat robot?

Offline Dreamcast

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Re: Robotics Questions MEGATHREAD
« Reply #202 on: June 04, 2017, 07:44:37 PM »
Are there any starter kits for robots? Or any basic blueprints for a traditional combat robot?

There are a bunch of kits.


Offline Badnik96

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Re: Robotics Questions MEGATHREAD
« Reply #204 on: June 04, 2017, 08:44:22 PM »
theres also these

https://www.botkits.com/collections/combat-robot-kits

the beetleweight consistently wins competitions

Offline TommyProductionsInc

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Re: Robotics Questions MEGATHREAD
« Reply #205 on: June 05, 2017, 12:16:20 PM »
How much money does it cost usually to make a heavyweight?

Offline R1885

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Re: Robotics Questions MEGATHREAD
« Reply #206 on: June 06, 2017, 10:19:57 PM »
A lot. At minimum, you're looking at 1000 bucks to build a basic platform, and at least 5000 to get it competent.


Offline Philippa

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Re: Robotics Questions MEGATHREAD
« Reply #208 on: June 07, 2017, 05:42:02 AM »


Here's a robot with offset drive wheels.
Is there much difference between turning clockwise and turning anticlockwise in terms of spinning speed or wear on the tyres?
If so, which direction does what in the above setup?

Offline cephalopod

Re: Robotics Questions MEGATHREAD
« Reply #209 on: June 07, 2017, 09:54:46 AM »
Oh hey it's tragic roundabout

Clockwise would be intuitive but I can't say anything definitely.

Offline Gauche Suede

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Re: Robotics Questions MEGATHREAD
« Reply #210 on: March 13, 2019, 03:54:29 PM »
Do you guys know any in-depth combot making guides that are up-to-date? The Riobotz one is from way back in 2009 and the world has changed a lot since then.

Offline Somebody

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Re: Robotics Questions MEGATHREAD
« Reply #211 on: March 13, 2019, 06:34:24 PM »
Do you guys know any in-depth combot making guides that are up-to-date? The Riobotz one is from way back in 2009 and the world has changed a lot since then.

The basics on the whole have not changed much. Components and methods have more-so. The discussions of brushed vs. brushless motors and how specifically to construct a robot are generally lost on someone without the understanding of robots and engineering that it provides. It taught me everything I needed to know in about 2016 to get me started, and know the questions to ask to get myself up to speed.

Other good resources:

Robert Cowan's youtube channel
https://www.youtube.com/channel/UCPOTPYuDsKnXP9I-ph4yMgg

Charles Guan's legendary Instructables guide
https://www.instructables.com/id/How-to-Build-your-Everything-Really-Really-Fast/

Offline Gauche Suede

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Re: Robotics Questions MEGATHREAD
« Reply #212 on: March 14, 2019, 12:13:04 AM »
Do you guys know any in-depth combot making guides that are up-to-date? The Riobotz one is from way back in 2009 and the world has changed a lot since then.

The basics on the whole have not changed much. Components and methods have more-so. The discussions of brushed vs. brushless motors and how specifically to construct a robot are generally lost on someone without the understanding of robots and engineering that it provides. It taught me everything I needed to know in about 2016 to get me started, and know the questions to ask to get myself up to speed.

Other good resources:

Robert Cowan's youtube channel
https://www.youtube.com/channel/UCPOTPYuDsKnXP9I-ph4yMgg

Charles Guan's legendary Instructables guide
https://www.instructables.com/id/How-to-Build-your-Everything-Really-Really-Fast/
I admit I'm a bit out of touch with robots these days, is brushless the default now or something?

Offline Badnik96

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Re: Robotics Questions MEGATHREAD
« Reply #213 on: March 14, 2019, 03:51:57 PM »
brushless is the new hotness but brushed is the more simple option especially at the insect level.

Offline Gauche Suede

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Re: Robotics Questions MEGATHREAD
« Reply #214 on: March 14, 2019, 09:10:46 PM »
brushless is the new hotness but brushed is the more simple option especially at the insect level.
Nice!

Wish there's any combot competitions here in Indonesia, it's gonna cost a ton of money to make a featherweight and fly to the UK for sure