Profex Puncture Resistant Road Tyre

Product Information

Feel free to ask questions about the StinGR unit as you review some of the information and videos below. The three-digit number after the dash is the more important. This is the bead diameter at which the tyre fits onto the rim.

Tubeless tyres, as the name suggests, do away with an inner tube and, in its absence, are reliant on the shape and tightness of the tyre bead to ensure the tyre doesn’t blow off the rim at high inflation pressures; in a conventional clincher tyre, the inner tube keeps the bead securely located under the rim hook. To develop the same 6141 Watts-out with the StinGR and the 28x13 C2E that we saw with the Q100 motor spinning the 28x12 PJN, we had to lower the Kv of the motor to 485K and the voltage to 43.29v. I felt it necessary to design and develop a unit from the ground up since a few of the existing belt and gear drive systems I tested were problematic and certainly not robust enough to manage the torque and precession of 28 to 30 inch propellers. Nowadays almost all rims have hooked flanges (required to retain folding tyres) that will hang onto tyres up to three times their width. This increases the cushioning effect: you get more comfort out of the same tyre at the same pressure when you fit it to a narrow rim – yet it still rolls just as easily.Since late 2018, I've been involved with the R&D of an electric power gear reduction unit that can deliver comparable power of a 120cc gas engine, and potentially greater. Weatherproof glazing beads, bars, cills, and profiles designed to extend the life of your timber doors and windows and reduce your production time. Durodeen can be used for many applications and brings you many benefits including: So we reduced the weight of the power system by 18.28% and increased the power-out by 27.21% when both systems are drawing the same current. The StinGR utilizes a synchronous or timing belt drive system, where we have a small pinion gear on a shaft that is rotating at a very high speed. It is connected to a large main gear with a drive belt. The distance in our Work equation for the Input side is represented by the high revolutions per minute (RPM) of the smaller pinion gear. The distance of the Output side is represented by the low RPM of the bigger main gear. The torque of these units also enables true scale propellers to be used on planes, including multiple blade propellers for scale and warbird planes. A StinGR with a 24 inch 3-blade propeller can be easily managed for 86 to 90 inch planes and 27 inch 3-blades can be easily managed for 94 to 100 inch planes.

It ‘ll come as no surprise that there are bicycle tires in many different forms. There are big differences in pattern, size and above target. You can buy everything from studded tires and tires for BMX bikes to regular tires with a different pattern for adult and children’s bikes.A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. What sets us apart is our tyre suggestion guide. For each tyre size you input our tyre calculator suggests multiple tyre sizes that are with in one inch bigger and smaller of the entered tyre size. Making it as simple as possible to find the tyre that is just right for you. Two tyres with the same ISO markings are completely interchangeable, even if one seems to be metric and the other is also marked in inches. For example, 650B and 26×1½ are both 38-584 and should be marked accordingly. Look for the ISO numbers and you always know exactly where you are. Of course, managing the fulcrum location can also change the magnitude of the Output Force as well because it changes the distance ratio of both sides. So there is an opportunity to control the amount of Force we need while using the same Input Force. For Work and Energy to be equal on both sides, the upward Force applied on the Output side must be twice the amount on the Input side because of the difference in the distance.