Thinking about a one off competition.

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Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Thinking about a one off competition.

Post by Lowtech »

My only competition was about 7 years ago with a robot called Antebellum.

I'm thinking about building a new robot (a Firestorm rip off) with some of the parts I've still got knocking around.

The only thing I'm lacking is a flipper motor.

What metal gear servos are people using these days?

I've probably got 30g to play with and I'd be running it on 7.4V courtesy of a speed controller I bought from Peter W.

Also, if you're a regular and usually take a soldering iron and some solder to competitions, I'd love to hear from you :)
Last edited by Lowtech on Wed Oct 21, 2020 7:35 pm, edited 2 times in total.
Firestorm-in-a-teacup (2WD front hinged flipper)

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

Nevermind, I just found a Hitec HS 82 MG in the shed :)

Don't know why I rejected it all those years ago. Anyone else forget parts around the house?

Image

Might make this into a build diary.
Firestorm-in-a-teacup (2WD front hinged flipper)

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

Image

The 3D printed chassis arrived today and I'm very happy with it.

I think the robot is faithful to the original design, with some notable differences.

I've got all the components, should just be a case of getting to work at the weekend.
Firestorm-in-a-teacup (2WD front hinged flipper)

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Kyro
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Re: Thinking about a one off competition.

Post by Kyro »

firstly, its amazing to see how far ant components have come in just 7 years.

it looks like i could fit my esc/rx/lipo into a package about the size of just your lipo.

secondly, as for servo's, a fairly popular one lately is the kingmax km1203md.
boasts (iirc) about 9kg/cm at about .08 but cost a decent bit. as long as it survives well its so far worth every penny.
for cheap, powerful and robust, i use the towerpro mg92b. around £7 each has 3.5kg/cm at .10 but survives everything.

lastly, and i think most importantly...

is that spaghetti??
Team Rocket
Esper(4wd flipper)
Mantis (4wd grab 'n' lift)
Dominus (4wd overhead drill bot)
Fennec(4wd flea and 1/2 cluster)
Gizmo (4wd flea and 1/2 cluster)

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peterwaller
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Re: Thinking about a one off competition.

Post by peterwaller »

That's a mighty fine looking speed controller you have there. :roll:

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

Kyro wrote:
Thu Oct 29, 2020 4:17 am
is that spaghetti??
I'm using it as a temporary hinge, might just leave it now :)

Thanks for the servo recommendations, turns out my current one is a little too big so that'll come in handy.
Firestorm-in-a-teacup (2WD front hinged flipper)

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

peterwaller wrote:
Thu Oct 29, 2020 8:24 am
That's a mighty fine looking speed controller you have there. :roll:
Maybe it's a little bit out of date now, but it's been the longest lasting ESC I've ever owned.
Firestorm-in-a-teacup (2WD front hinged flipper)

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

Image
Image

Here it is with wheels and metal hinge rod fitted :)

Now waiting on one of those towerpro servos...
Firestorm-in-a-teacup (2WD front hinged flipper)

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

Image

Now with Firestorm style metal strip.

I've come up with the name.. "Firestorminateacup"
Firestorm-in-a-teacup (2WD front hinged flipper)

Lowtech
Posts: 34
Joined: Thu Aug 11, 2011 11:02 am

Re: Thinking about a one off competition.

Post by Lowtech »

Having realised that most of the people reading this thread are probably thinking something along the lines of "mmm, can't wait to lay into that with my 15,000 rpm spinner", I thought I'd better add some extra "armour" to the corners.

Image
Firestorm-in-a-teacup (2WD front hinged flipper)

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