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BRAT based Mech is taking names and... You know the rest

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Fish (Admin)

Post subject: BRAT based Mech is taking names and... You know the rest

Posted: Thu Jun 25, 2009 2:28 pm

Salmon of Retribution

Joined: Fri Jul 28, 2006 5:41 pm
Posts: 540
Location: The Plane of Suck.

I think I'll call it the Hunchback

Discuss

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SN96

Post subject:

Posted: Thu Jun 25, 2009 3:40 pm

Robot Guru

Joined: Mon Oct 31, 2005 3:03 pm
Posts: 3598
Location: Houston, Texas

Now that's a mech that will run circles around all those wobbly taller mechs. Where do you load the pellets? how many can be loaded?

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Mike

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Fish (Admin)

Post subject:

Posted: Thu Jun 25, 2009 4:16 pm

Salmon of Retribution

Joined: Fri Jul 28, 2006 5:41 pm
Posts: 540
Location: The Plane of Suck.

SN96 wrote:

Now that's a mech that will run circles around all those wobbly taller mechs. Where do you load the pellets? how many can be loaded?

For right now.. Think of these guns as muskets. One shot, probably zero kills.

We're still working on an ammo hopper of some sort. I'm also toying with the idea of adding in a 4th DoF to the legs. Hip rotation would make the little guy faster by allowing him to take larger steps and make sharp turns. I'd also like to implement torso rotation... But I'm supposed to keep this simple. Maybe later. :lol:

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SN96

Post subject:

Posted: Thu Jun 25, 2009 6:17 pm

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Joined: Mon Oct 31, 2005 3:03 pm
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Location: Houston, Texas

Fish (Admin) wrote:

SN96 wrote:

Now that's a mech that will run circles around all those wobbly taller mechs. Where do you load the pellets? how many can be loaded?

Torso rotation... You read my mind! I'd love to see torso rotation above all other joint improvements.

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The robotics nut.

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innerbreed

Post subject:

Posted: Fri Jun 26, 2009 2:49 pm

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Joined: Wed Feb 27, 2008 8:59 am
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Location: Online @ innerbreed.co.uk

Very cool.

i like the idea on how the two guns rotate/move.

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Robot Dude

Post subject:

Posted: Wed Jul 01, 2009 1:58 pm

Lynxmotion Founder

Joined: Mon Oct 31, 2005 10:46 am
Posts: 9325
Location: my quiet place

Here is an updated image. We've replaced the ASB-18's in lieu of the injection molded base top part. So the guns and camera are all on a rotating "torso". We have already tested the guns, they are operational. I suspect we may have issues with the camera and the PS2 game controller as they are both 2.4ghz, but we can always find a camera on a different frequency if necessary. Surprised as to how clean this is. We need to add maybe a laser pointer or two, but it's optional. Note the light bar wrapped around the round base part. Probably voided the warranty, but it's working. lol James is trying to get it walking now.

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SN96

Post subject:

Posted: Wed Jul 01, 2009 3:07 pm

Robot Guru

Joined: Mon Oct 31, 2005 3:03 pm
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Location: Houston, Texas

That is the coolest mini mech I have seen. It would be nice to see two micro servos to be able to tilt the guns up and down.

Some feedback: I think the battery could use a little better mounting aesthetics. I thought about using two ASB-18's connected on the bottom part of the channel and connect an ASB-6 to the end of the ASB-18 to form a cradle. Longer screws would be required to pass through ASB-04,ASB-503, and ASB-18. You could also just use one assembly mounted in the middle of the channel and stadard screws could be used.

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zoomkat

Post subject:

Posted: Wed Jul 01, 2009 3:32 pm

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Joined: Thu Jul 13, 2006 10:10 pm
Posts: 2225

One might be able to hinge the bottom of the servo that rotates the torso and then be ble to angle it up and down using a single microservo.

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Robot Dude

Post subject:

Posted: Wed Jul 01, 2009 3:32 pm

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Joined: Mon Oct 31, 2005 10:46 am
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Location: my quiet place

I hear ya about the tilt for the guns. My conservative nature forces me to hold back and see how this works before committing to the tilt servos. We'll see...

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Robot Dude

Post subject:

Posted: Wed Jul 01, 2009 3:37 pm

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Joined: Mon Oct 31, 2005 10:46 am
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Location: my quiet place

zoomkat wrote:

One might be able to hinge the bottom of the servo that rotates the torso and then be ble to angle it up and down using a single microservo.

We already have the ability to alter the tilt in this fashion using the hips of the bot. It's ok when facing forward. Tilting the guns themselves is the better solution.

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SN96

Post subject:

Posted: Wed Jul 01, 2009 7:09 pm

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Joined: Mon Oct 31, 2005 3:03 pm
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Location: Houston, Texas

I hear you about being conservative with the design. You start adding this and that, and you could end up with a mess on your hands. :lol:

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Mike

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Robot Dude

Post subject:

Posted: Thu Jul 02, 2009 2:18 pm

Lynxmotion Founder

Joined: Mon Oct 31, 2005 10:46 am
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Location: my quiet place

It walks! Film at 11:00

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SN96

Post subject:

Posted: Thu Jul 02, 2009 3:49 pm

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Joined: Mon Oct 31, 2005 3:03 pm
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Location: Houston, Texas

It's 3:48, where's that film? :shock:

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Mike

The robotics nut.

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Robot Dude

Post subject:

Posted: Thu Jul 02, 2009 4:27 pm

Lynxmotion Founder

Joined: Mon Oct 31, 2005 10:46 am
Posts: 9325
Location: my quiet place

Here it is. Fresh up on youtube. It's just the walking gait for now. We are still working on adding the guns and turret to the PS2 controller. Just code at this stage...

http://www.youtube.com/watch?v=KnsKZZTcZ14

Oh and here are some images we made for the fun of it.

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SN96

Post subject:

Posted: Thu Jul 02, 2009 5:06 pm

Robot Guru

Joined: Mon Oct 31, 2005 3:03 pm
Posts: 3598
Location: Houston, Texas

Great pics and gret video.

I like the top image.

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Mike

The robotics nut.

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