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There is a lot of building going on at Scitech at the moment with the opening of our new feature exhibition Ingenious.
All that hammering and gluing took us back to our childhood and we just couldn't resist the temptation to build a billy cart.

A billy cart (or gravity racer) is a fantastic way to start woodworking, designing and losing your skin on bitumen.

So let's build it!



Step 1: For Easy Reference

All the instructions including parts and cutting lists can be
printed out on this single A4 size .pdf

Step 2: Materials

The parts required for this Billy cart are:

Qty.4 X 3.5 x 4" pneumatic trolly wheels - take some of the bumps out of the road
Qty.1 X 1200 x 396 x12 mm Plywood BC boards
Qty.2 X 1200 x90 x 35 Pine beams
Qty.2 X Axle 'Adjustable Ambassador' 450-600mm 1/2in
Qty.4 X Mounting brackets (supplied with adjustable ambassador)
Qty.4 X Split pins
Qty.1 X Roll of clear vinyl tubing 16mm x 2 mm
Qty 1 X Zenith M10 75mm stainless steel cup-head bolt
Qty.2 X M10 Hex nutQty.3 X M10 Washers
Qty.1 X Roll10 mm Rope - partly for steering, mostly for dragging your cart up the hill
And as many 25 mm wood screws as you desire,we used around 20.

All should be available at your local hardware store.

Step 3: Tools

And the tools of course...

something to measure with
something to mark with
something to cut wood with
something to put screws in
something to drill holes with (+ an M10 drill bit)
something to tighten nuts with
bandages optional...



Step 4: What to Do

Here's Paul showing how easy it is to build

Step 5: Whats Next?

<p>This looks brilliant and great to see anything encouraging kids to get outside and off the Xbox.</p><p>If anyone is struggling to find the parts they need or wants something a bit simpler please do have a look at our website (<a href="http://www.muddyknees.co.uk" rel="nofollow">www.muddyknees.co.uk</a>) where we sell complete Go Kart Kits which can be built in an afternoon. There are loads of pictures which are great for inspiration for your own karts too.</p>
<p>why i no see</p>
<p>tokoy</p>
<p>Thanks for the instructions. Built pretty close to identical with a removable seat modifcation to accommodate riders of very different heights. </p>
<p>Fantastic and easy to make. I made 2 in a weekend. You will need a longer bolt than the suggested 75mm though, more like 90mm, as it needs to go through 35mm spine + 35mm crossbar + 3 washers + 2 nuts. Hope this saves someone an extra trip to the hardware store!</p>
<p>one thing I would do different as far as basic carpentry is concerned. I would not measure all the pieces at once then cut them all at once. You have to account for the saw blade width and by the end of the cuts it can add up 3mm each cut.</p>
<p>Finally got around to building it today. Spent about $40 total <br>(already had plywood). The wheels were purchased for $6 each from Harbor <br> Freight. Axles (2) were solid steel rod purchased (and cut to about 23&quot; <br> in length each) from ACE Hardware. Couldn't find the &quot;Adjustable <br>Ambassador&quot; anywhere, so purchased four collars that held wheels in <br>place. Converted everything to standard (from metric) but mine looks <br>almost identical to the one in your photo. Thanks for posting this!</p>
<p>Really simple and easy:-)</p>
<p>Finally got around to building ours today. Spent about $40 total (already had plywood). The wheels were purchased for $6 each from Harbor Freight. Axles (2) were solid steel rod purchased (and cut to about 23&quot; in length each) from ACE Hardware. Couldn't find the &quot;Adjustable Ambassador&quot; anywhere, so purchased four collars that held wheels in place. Converted everything to standard (from metric) but mine looks almost identical to the one in your photo. Thanks for posting this!</p>
<p>G'day DIY ers..I made the billycart in 2 hours from wheels from an old stroller and timber scrounged form my son !..I only had to buy the axles from Bunnings (about @18.00). I did price the cart and all up ,if I had to purchase everything , it would be approx. $80.the &quot;how to &quot; video and plans were perfect 4 me .. thanks.</p>
<p>Hi, for those of you who have made one of these, approx. how much did it cost? </p>
I made that from your instructions it works great
Excellent. Great to hear.
Has anyone gone shopping yet? Just curious if I can really find all of this at ACE Hardware or Home Depot or Lowes. The axle rods look like they might be tricky to find... wheels as well.
The stores you mentioned have what your for. Just ask for 1/2&quot; drill rod. It usually comes in 3' pieces.
Where can u buy the axle mounting brackets
Nice Plans &ndash; Suggestion: I highly recommend mounting a short 2x4&rdquo; block underneath and about 1-1/2&rdquo; +/- behind the center of the foot steering board to stop it from accidentally swinging too far and crushing a rider&rsquo;s leg. (I made a motorized cart like this over 45 years ago. Needless to say, I am speaking from experience re: crushing a rider&rsquo;s leg. Not a laughing matter!)
i did the same to mine besides adding wood brakes on the wheels
nice i remember building one when i was 15 it look about the same <br>that was 30 years ago and had so much fun with it
Down hill thunder, Great fun.
If you have a Harbor freight near you they have wheels for 3.99 <br>
And im makin one today. Yaaaaaaaaaaaaaaaaaaay
Argh... you beat me to it! Was really hoping to start one today or tomorrow, but looking like after the holiday. Were you able to find all the parts in one place?
I love it but I am beyond the kiddies who race but I am a gardener and this would make a great cart if you box it. Thanks..
That's expensive and complicated. When i was a child we used two pieces of used 2x8 and 2 pieces of used 2x4, some found rope, spare bolts and nails and four used baby carriage wheels. Mine was the fastest in the neighborhood.
Just have to convince my parents to let me make one
This is great.....I remember when I was a boy we used 2x4s , baby carriage wheels and metal rolling skates and a metal milk crate for the seat...thanks for the memmories!
Cool!
Cool enough to get my vote.
awesome job :) really great project :)

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