Hard Time's build diary

**Laser** · 14th October 2010, 17:37

My robot is 2-wheel drive, so I'm getting 2 wheels with nut inert and 2 without.
I'm using these motors http://www.homebase.co.uk/webapp/wcs/st ... 7C16849334

**psycho_fling** · 14th October 2010, 21:10

so are you running the other 2 wheels via a belt drive from the motors?? or are they just dead wheels ???

**Laser** · 17th October 2010, 18:07

They're not driven by belts, they're free spinning. Bodge job came yester day and I needed some bearings. I saw his scooter and thought 'hmmm' , so I took my 10 quid scooter apart and in each of the wheels were 2 bearings.That is a cheap way to getwhaeels and bearings. But, I'm not using that way as the bearings are to big for the blue wheels.

**Laser** · 24th October 2010, 18:14

Mounted the motors into the plastic assembling it tomorow

**Laser** · 26th October 2010, 17:56

My robot so far, in bits.[attachment=0:2whijhdy]Big 'n' Scary, Like a LASER.docx[/attachment:2whijhdy]

**Laser** · 3rd November 2010, 18:16

Ordered bearings and steel bar from technobots last night.
These are the bearings: http://www.technobotsonline.com/miniatu ... x24x6.html
...And these are the steel bar: https://www.technobotsonline.com/silver ... 33173.html
I need a 12v battery that can power 2 drive motors and a lifter motor I'm thinking of using this battery: http://www.technobotsonline.com/haze-hz ... 2.2ah.html
Is it the right battery? If it is'nt what kind of battery is better?

**typhoon_driver** · 3rd November 2010, 23:09

That's a sealed lead acid battery. Usable but somewhat under powered. SLAs were used around 4 or 5 years ago in featherweights and were the standard at the time.

I'd recommend looking at nimh batteries instead. Something like this pack here,

http://cgi.ebay.co.uk/12V-3700mAh-NiMH- ... 3353ee4e1a

Will give you all the power you need for your 3 drill motors. I have used these packs in the past and they have been fine.