ill be needing some 10mm polycarb neatly cut to size too.
Printable View
ill be needing some 10mm polycarb neatly cut to size too.
what are you doing about armour ?
10mm polycarb, thats what i need cutting to size. making everything out of polycarb
Well the way i see it is you have a frame and then armour , i built a frame of polycarbonate for my bot and then attached sheets of metal over the frame.
well instead of sheets of metal im using sheets of polycarb
Tom, a little thing about the cost of your parts - if you add them to the basket on Ewans website, itll give you a cost of all the parts including postage without you having to actually put in your credit card details or make a payment - thatll give you a rough idea of how much itll skin you :)
4 x motors - £28.80
1 x 30A link - £4.19
4 x 100mm wheels - £27.00
3m x Red 2.5sqmm £1.44
3m x Black 2.5sqmm £1.44
3m x Red 4sqmm £2.10
3m x Black 4sqmm £2.10
that everything ill need?
(Message edited by xtreme on May 04, 2007)
do you have the wheels in stock?
ewan how much for it all delivered? and when can you get it to me ?
Only got two 100mm wheels at the moment Im afraid. I should be able to get more stock soon, but subtotal is £67.07 with delivery on top giving £75.47
Ill get onto the wheels now for you
well when you have info on when the wheels will be available just drop me a message. this bot buildings an expensive hobby. befor i started i was thinking around 150-200 quid but its gunna go way over 300 quid
does anyone know if there is any sort of wiring/component diagram for a 4wd bot?
http://www.micro-maul.co.uk/images/davewestoncircuit.jpghttp://www.micro-maul.co.uk/images/d...toncircuit.jpg
Heres one I made up a while ago. The fuses and fan arent essentials. Are you using the Scorpion? The layout should be similar.
just gotta find a good way of keeping my scorpion cool and safe. thx for diagram.
ill definately give you guys credit for all the help you have given me so far it would have been impossible for me if it wasnt for ur help.
Shouldnt the link be on the +ve side?
Doesnt matter 99% of the time. Might want to put it on +ve if you want to, was simply easier to draw diagram as such I seem to remember.
is there any cluster bots about now?
would be awsome to see a featherweight cluster bot
is this the best robot vid ever?
http://www.youtube.com/watch?v=xm2l5FEIy0Yhttp://www.youtube.com/watch?v=xm2l5FEIy0Y
:)
possibly
so is there any cluster bots about now?
when i get my robot dimensions sorted out who or where is the best place to get polycarb cut?
Do it yourself with a wood saw, would be the cheapest method.
That or a jigsaw or table saw. Depends how far your current equipment/depth of pocket goes :)
i want it to be neat :p
what do you guys prefere, 75 or 100 mm wheels for invertable ram bots? i was thinking 100mm befor because i wanted to use a 4 bar lifter or a vertical spinning disk (like tornados) but i didnt think id fit them into a body with only 50mm height but now im unsure
Straightest of cuts on the scale youre looking at can usually be done on a table saw. Cheapest of those could be picked up for around £90 - some plastic suppliers may offer a cutting service at extra cost. Depends what kind of investment you want to make.
what would u reccomend as far as wheels go would i be able to fit a 4 bar lifter in with 75mm wheels? or if i decide to go for a spinner whats the smallest size spinning disk you would recommend?
Youve got to think that if you go for 75mm wheels, you need 3mm ground clearence on top and bottom (69mm so far). Then armour, again depends on what you plan to use, say 8mm (4 top and bottom). So at tis point you only have 60mm is for the lifter mechanism, or the drum. Which doesnt give you a lot of scope, but if you can design what you want into that space go for it.
Just use a jigsaw and keep to the line. If you take it slowly you will get a nice clean line. Far cheaper option than buying a table or band saw.
would i be able to fit a 4 bar lifter in with 75mm wheels?
I dont know, design one to fit in the space. That is half the fun of building robots!
if i decide to go for a spinner whats the smallest size spinning disk you would recommend
How long is a piece of string?
I would recommend for your first spinner, 25cm diameter and 1000rpm. It wont be spectacular but it will allow you to understand all the problems that crop up with a spinning disc.
Ive done a four bar lifter in 50mm. Almost anything can be done, youve just got to work out how to do it :)
25cm is a little on the small side, maybe up 80-100mm
was your bot still invertable with the 4 bar? and was it powerful enough to turn other 12kg bots with ease?
Lifter in question:
http://www.micro-maul.co.uk/images/IMG_2729.JPGhttp://www.micro-maul.co.uk/images/IMG_2729.JPG
Yes. Yes (well the arrangement of the bars was more refined for lifting as opposed to turning over - calculating the geometry of the four bar lifter you want is a fine art).
ewan what dia are your drill motors? with 75 mm wheels i would only have 49 to 53 mm inside the armor depending on material thikness. what did u use to build the 4 bar?
I would kill to make a 4 bar system , but alas it seems to complicated for me , lol
The stripped body of drills will easily fit into a 50mm body height (stripped diameter being slightly less, though dont have specifics off the top of my head). Its just a case of finding mounts suitable for such an inner body height.
I used a load of aluminum, some iron angle, a hacksaw, jigsaw, pillar drill and file.
well if u only got a low profile bot its gunna make all weaponary harder to design.
remember that test frame i put this flipper in? it was only running at 60psi thats like what ? 4 bar or sumthing i dunno i suck at this stuff.
well i ordered some motor mounts from james baker hes helped me out alot understanding stuff and how stuffs worked out.
edit: think polycarb sides on frame would work for a 4 bar ?
(Message edited by xtreme on May 06, 2007)