So if you’re looking for a new pair of wheels, for any bike, from your road whip to a downhill sled, we’ve put together this guide on how to choose bike wheels, rims, hubs, and spokes to help you decipher all the chatter. So dig in, figure out what features really matter the...
Your local hardware shop can provide you with a wrench that fits the bolt you wish to adjust skateboard wheels. There’s no need for a skate tool; they’re only more handy than having many full-sized tools. Only a few sockets and wrenches are required. Depending on your wheel’s screws...
so a battery rated at 8 Ah should power a light for twice as long as a battery rated at 4 Ah. Think about how often you intend to use the light, and how long you’ll need it each ride – if you use the light daily, carry a spare battery or figure out a charging pattern that...
Detach the skateboard wheels.You can use several tools to remove the wheels. You can use either of the following – the socket wrench, skate tool, or ratchet. Use the tool to loosen the nuts that hold the wheels. Alternatively, you can also loosen it without tools;click here for more. ...
There are other elements of physics at play when launching a boat. For example, the engine of your vehicle has to generate the right amount oftorqueto go up the boat ramp. You can also use a combination of physics and trigonometry to figure out the ideal slope for a boat ramp. So when...
Figure 5. A reassembled brake assembly with aftermarket rotors. Your brakes probably won't look like this. Step 6 – Tighten the center axle bolt and reattach the wheels Replace the center hub bolt that you removed earlier and torque the bolt to 147 ft-lbs. The axle will try to move whe...
How to Build Your Everything Really Really Fast: A few years ago, I wrote a short document on methods for rapidly fabricating elements of mechanical systems entitled How to Build Your Robot Really Really Fast. It was catered towards students in MIT's 2.0
Support the lawnmower on one side (with the air filter facing upwards), or on its rear side, and remove any grass from the underside of the deck with a spatula and compressed air. Check the condition of the blade and the tightness of the blade fixing bolt: for more information about th...
Next, we'll see what it's like to drive a motorcycle. Driving a Motorcycle Figure 1: The gyroscope is spinning on its axis. Figure 2: A force is applied to try to rotate the spin axis. Figure 3: The gyroscope is reacting to the input force along an axis perpendicular to the input...
to figure out if a phone or laptop is left in a parked car. Be sure to put your device in Airplane mode and power it down completely to reduce the risk of being pinged. Also be sure to place the items in the frunk or under the false floor BEFORE you get to your destination. ...