Peter Wallers Robot Ramblings

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Derek Dudge
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Re: Peter Wallers Robot Ramblings

Post by Derek Dudge » Thu Jan 17, 2019 10:51 pm

The reversible wedge mini bot with the offset wheels is the coolest thing I've seen all week. Adorable!
My robots:

Third Law (antweight) - push/ram bot
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Shakey
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Re: Peter Wallers Robot Ramblings

Post by Shakey » Thu Jan 17, 2019 11:49 pm

I didn't see the thread popup in my unread until dereks reply. I agree, that is one awesome little minibot!
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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Tue Jan 29, 2019 8:24 pm

Been fairly busy as well as an almost total rebuild of the drum spinner I have four new bots as yet untried in combat.
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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Sat Feb 09, 2019 9:21 am

Some of you may remember a while back I said I was writing a book about building robots well I finally got it finished and it is now available on Amazon as an e-book called Small Combat Robots priced £9.99. It is really aimed more at those fairly new to the hobby but hopefully others might find it useful.
All the robot examples shown in it are ones I have scratch built over the years because I had the information, pictures, and drawings readily to hand.
https://www.amazon.co.uk/s/ref=nb_sb_no ... bat+robots

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voorsk
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Re: Peter Wallers Robot Ramblings

Post by voorsk » Sat Feb 09, 2019 10:43 am

ooh - You've got yourself a deal, young Mr Waller. :D
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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Sat Mar 09, 2019 4:36 pm

I am looking at giving the arena a bit of an overhaul as it is beginning to look a little worn.
I have got replacement polycarb for the 200 mm high wall that surrounds the arena and protects the cover plus some for the small walls on two of the pits.
I will probably also have to finally replace the arena floor as it is more filler than hardboard these days and do a little strengthening in the pits.
I think we need to introduce a rule against operating spinners once in the pit.

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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Tue Mar 12, 2019 8:23 pm

I have replaced the polycarb wall that surrounds the arena plus the two polycarb low walls that are across two of the pits.
I have introduced some polycarb angle into the pits and glued some more support wood under the pits to further strengthen them.
B&Q don't do 8 x 4 sheets of hardboard so I have had to use 5 mm ply for the arena surface it looks better and you can use both sides but it is a lot more expensive. For some reason it looks almost varnished in the photo which was caused by the flash but it is just plain wood at the moment.
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Hogi
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Re: Peter Wallers Robot Ramblings

Post by Hogi » Wed Mar 13, 2019 7:50 am

The arena looks great. Its definitely appreciated, the effort and expense you go to to maintain it.
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Kyro
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Re: Peter Wallers Robot Ramblings

Post by Kyro » Tue Apr 02, 2019 2:21 pm

have you considered some kind of netting in the pit floors to snag spinners and prevent more damage?

you would possibly need to have them loose with a few replacements to give spinners a chance to untangle after fights without delaying the next fight...

or maybe build polycarb pockets for inside each pit instead... or hdpe... you can probably pick up a few chopping boards cheap enough to line the inside of the pits with...

at the last aws, i saw one spinner chew up the edge of the pit on its way in... maybe something to strengthen the edge mounted on the underside...

Luke
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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Tue Apr 02, 2019 7:17 pm

I have done some strengthening in the pits but I need to be able to lift the arena in and out of the car on my own so weight is a factor. There is always going to be some damage to the arena with spinners but some times particularly with the big free for all at the end people, and this has included me in the past, tend to go on fighting in the pit which can be a problem.

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Re: Peter Wallers Robot Ramblings

Post by Kyro » Tue Apr 02, 2019 7:23 pm

simple answer... fill the pits with water... that'll stop fighting in the pits ;)
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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Fri May 24, 2019 6:37 pm

Working on a new version of my spring / elastic flipper design.
https://youtu.be/vgXgFGJsj54

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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Fri Jun 07, 2019 8:06 am

Here is the finished robot.
Image

Kyro
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Re: Peter Wallers Robot Ramblings

Post by Kyro » Fri Jun 07, 2019 9:05 am

looks good. i cant wait to fight this at our next meet...

i really like this concept.

is the flipper slower now with the springs as opposed to the bands? i would figure its slower but a bit more power...

i learned a lot about kinetic energy regarding bands and springs from my years of building slingshots and slingbows... generally many smaller bands will be faster than one larger one... this is also true of springs so having 2 instead of one is a step in the right direction
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Esper(4wd flipper)
Mantis (4wd grab 'n' lift)
Dominus (SPINNAAAAAH under construction)
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I got in touch with my inner self today....... Thats the last time i buy cheap toilet paper!!

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peterwaller
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Re: Peter Wallers Robot Ramblings

Post by peterwaller » Fri Jun 07, 2019 10:27 am

To be honest I am not sure my physics is a bit dodgy in this area.
I thought it was about as quick but that may be due to the springs being stronger than the bands I was using.

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