From The Ground Up (Advice Thread)

[Laser]

Re: From The Ground Up (Advice Thread)

Just going back to the RC thing I would really reommend the planet T5 for robotics as it is quite cheap and reliable(I use it ). If you have more money go for the Dx5e as it has a built in failsafe and extra cool features.
I have both of them and prefer the Dx5e as it is overall better but the t5 is fine.

[Roland]

Re: From The Ground Up (Advice Thread)

Both solidworks and solid edge don't work on macs and I can't be bothered to download a virtual pc just for cad software. Thanks for the info though, I'll bear it in mind if I buy a new laptop, I'll probably get one or the other.

I'll probably stick with DX5e Ben, it's not overly expensive and it's all I really need to be honest though we'll see, might end up going tight for cash.

Will the motors need custom gears making or can you buy pre made ones?

Thanks everyone.

[Roland]

Re: From The Ground Up (Advice Thread)

Wondering what people's thought's were on using hinges? Either skirts as themselves, or fitting them onto sloped sides for 0 ground clearance? Do they tend to bend when hit by spinners? Or do they manage ok? Piano hinges preferably.

Thanks

[typhoon_driver]

Re: From The Ground Up (Advice Thread)

I wouldn't bother. Have one side, the front, skim the ground and you should be fine.

[Laser]

Re: From The Ground Up (Advice Thread)

Yeah the dx5e is fine, what are you using hinges for?

[Roland]

Re: From The Ground Up (Advice Thread)

Yeah the dx5e is fine, what are you using hinges for?

Since I'm having sloped sides to my bot I was wondering how I could get minimal ground clearance, hinges seemed like an idea since they move themselves appropriately for minimum ground clearance.

[Laser]

Re: From The Ground Up (Advice Thread)

what would happen if I got underneath your sides and lifted your sides up?

[Roland]

Re: From The Ground Up (Advice Thread)

Flipper wise the actual snap of the flipper would push me up less than if it was attached, but the plate on the end of the hing would make the air born part a bit more erratic, lifter wise, not much I could probably drive away. The purpose of the hinges is so that you can't get underneath, so that would never happen anyway.

[RogueTwoRobots]

Re: From The Ground Up (Advice Thread)

The purpose of the hinges is so that you can't get underneath, so that would never happen anyway.

You can't say never when fighting in the arena. Things will happen in there that you either won't expect or won't have accounted for.

My personal opinion is that skirts/hinges are pretty redundant in robot combat today. The only floor they'd most likely be suited to is the Robo Challenge floor; having the heavyweights being flipped and bouncing all over the RR and RL floors means there are usually a few lips and bumps for the feathers to negotiate and these can be prime areas for skirts and hinges to get snagged/stuck/jammed upon.

If you're going to be flipped, you're going to be flipped. A ground-skimming flipper blade with the entire force of the robot and bungees holding it down is most likely going to get under a ground-skimming skirt with just the weight of the hinges/skirt material holding it down. I prefer to leave a reasonable amount of ground clearance (5mm-8mm) and make sure that the robot is invertible or can self-right. That way you are less likely to get stuck on the floor of any of the arenas, yet can still keep fighting when flipped.

Just my two centimos anyway

[Roland]

Re: From The Ground Up (Advice Thread)

Hmmm, what if you were to grind down the corners on the hinge? Surely that would stop it from catching if you placed the hinge on the bottom and had a fixed wedge?

I think I'm going to redesign this thing so it works both ways up. I'm off to see my dad for a bit but I'll CAD a new design I've just thought of when I get back.

[Roland]

Re: From The Ground Up (Advice Thread)

Well, I've tried it and it doesn't appear to work greatly. I'm gonna stick with my plan for now, unless anyone has any genuine ideas of the body style.

Interested about what would happen with blunt cornered hinges, I think work quite well in theory.

[Roland]

Re: From The Ground Up (Advice Thread)

Vapextech don't have their own chargers for the 3300mAh so what charger should I get?
http://cgi.ebay.co.uk/12v-NiMH-3300mAh- ... 3353c52b76?

I've made about 130 quid so far to spend :L Not much but I'm getting some more for my bday in april And then pocket money will probably buy the rest!

Thanks again

[Roland]

Re: From The Ground Up (Advice Thread)

Ordered Motors and my 6 blue wheels Going to get the RC for birthday on the 15th and some spending money to add to the cause! Had another look at chargers for the batteries and I can't find anything, it's becoming quite frustrating, why would you sell 12v Batteries but no 12v output chargers? I'm clearly being a dolt.

[harry hills]

Re: From The Ground Up (Advice Thread)

if its a 12v nimh/nicad charger your after try componant shop.

[Laser]

Re: From The Ground Up (Advice Thread)

This is what I use to charge my 12v Ni-Mh. It runs off a 12v lead acid
http://www.giantcod.co.uk/power-balance ... 02624.html