A wheel clamp (American English: Denver boot or wheel boot) is a device that is designed to prevent vehicles from moving. In its most common form, it consists of a clamp which surrounds a vehicle wheel, designed to prevent removal of both itself and the wheel.
A device used to restrain a vehicle, usually to prevent the owner of an illegally parked car from leaving without paying a fine. It’s typically called a boot in the US (or, rarely, a Denver boot, after the first US city to deploy the obnoxious things).
A supply chain is a system of organizations, people, technology, activities, information and resources involved in moving a product or service from supplier to customer.
(Supplier) a company that offer travel services to the general public.
(supplier) someone whose business is to supply a particular service or commodity
IMG 7133
PARTS LIST AND INSTRUCTIONS
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The video shows the build using 25 x 25 mm “L channel”. However I recommend you use “U channel “as it will make the build much simpler. My supplier did not have any U channel.
PARTS
1)Aluminium (this is what I recommend, but if you can’t get these sizes you can adjust the dimensions of the slider).
a)25 x 25 x 3mm U channel 1 meter long, 2 off. If you want to add a motor to drive the slider you will need 40 x 40 x 3mm U channel. All dimensions below assume 25 mm.
b)50mm x 3 mm flat bar, 1.4 meters long.
c)3mm flat plate, 160 mm x 140 mm
2)20 Pop rivets (I used 4mm diameter and long enough to hold 9 mm thick.
3)4 rubber feet (screw on or glue on)
4)4 roller wheels
5)4 ? BSW bolts 20mm long
6)4 ? BSW nuts, recommend wing nuts for easy adjustments.
7)12 ? Washers.
TOOLS
1)Drill (I highly recommend you get a drill press as they are about the same price as a good quality hand held drill and will give you a significantly better result). You just need somewhere to mount it. You can get away with hand drill for this project.
2)Saw (Power cut off saw will give more accurate cuts), but hand hack saw is fine with this project as none of the cuts need to be precise.
3)? inch BSW Tap (to tap the tripod mounting holes).
4)Pop rivet tool.
5)Drill bits
a)4mm for pop rivets
b)Number Drill 9 (5.1 mm) for tapping ? BSW thread
c)? in for drilling roller mounting holes.
d)Counter Sink or simply a big drill bit.
6)Centre punch
7)Clamps
8)Metal file (flat and ? in round).
PROCESS
Cut 8 pieces of 50x3mm flat bar, 150 mm long. There will be two on the top, one on each end. There will be 6 on the bottom in 3 groups. You double up on the bottom, to make it stronger and give more depth to tap the ? BSW threads to attach to tripods.
Drill holes for rivets in the flat bar to attach to U channel. If using 25mm U channel drill 2 equal spaced holes 12mm from the end. Mark out one plate, centre punch and drill. You can use this plate as a template to drill all the other plates, or stack and drill them all at once. These holes don’t have to be accurately aligned as you will drill through these holes into the U channel anyway.
Take 3 of the plates and counter sink the rivet holes. These will be the plates which go on the bottom. You want a flat bottom so the rivets don’t get in the way of the rubber feet or tripod mounts. You don’t need to do this for the top.
You should make sure that the U channel rails are as parallel as possible so that the sider carriage will slide smoothly. To achieve this you should use lots of clamps to hold everything in place while drilling and riveting.
Stack 2 flat plates on each end of the U channel, clamp, drill and rivet. Then mount a single top plate on each end of the U channel. Doing this last will allow you to fine adjust the width of the channel with a clamp. Then mount the final 2 stack in the middle bottom. If any of the bottom rivets protrude above the surface, file these flat so they won’t interfere with the tripod mounts.
Drill and tap the ? BSW threads in the centre of each of the double bottom plates to allow attaching to tripods. Also drill and tap the bottom plates to attach the rubber feet.
Mark out the carriage such that the centre points of the roller wheels will be the correct width of your rail. You need to get this accurate to a few mm or the carriage will either jam or fall out. Drill the 4 holes. You should use the round file to elongate the holes on one side so that you can make small adjustments to the width of the rollers.
Drill a ? in hole in centre of carriage to mount your camera.
Mount the roller wheels as: Bolt, washer, plate, washer, wheel, washer, nut. Mount one side then slip into rail then mount the elongated hole side and adjust width to give a smooth action. Attach your rubber feet.