Endless Sphere

It looks like 13 gauge spokes use 4 and 5 mm wrenches. That is actually very close to the standard .156 standard so some one needs to do some measurements. Custom builder Ron Boi told me Paramount tandems used 13 gauge spokes but the nipple was 14 gauge sized so it was impossible to true the wheel w...

I have been up to 56 mph on a heavily loaded touring bicycle some where on the Alabama Georgia border. Tour de France riders go faster. One rider had his brake melt so he layed the bike down and skidded to a stop. Tandems are 20 percent faster than singles. The Romp family said they routinely hit 38...

I tour. I don’t carry the absolute minimum but just a bit more to help people out. I had the 3 corner and broke every size. Also it hurt to use. REI gave me a full refund. I carry a Park .127 these break also. The round ones never break which means the hole in the center can be larger which means yo...

Flywheels are designed with the idea hyperbolic shape. This is not only the fastest shape but also the one that stores the most energy. When they come apart they turn to dust. https://grg.org/OneHossShay.htm

A Honda Civic will out perform a 70s Corvette. You can buy Cadillac that will out perform a 70s Lamborghini. These cars are cheaper safer and get better gas milage. That is not enough for some people. They have to have the hot car and the loud car. Then they floor it at every stop light. I for one w...

What I want is the round kind with 8 sizes. These are marked with the gauge sizes and there are a least 2 standards. So lets git of that. Mark them with the inch size and the metric size. I would like a .127 .130 .136 and .156. I don’t know what the 13 gauge standard is but I would like those and on...

I get 2500 miles out of a Kevlar belted 1.5 inch tire. Tires fatter than this fail at the sidewall without much warning. I read the motorcycle tire threads here and elsewhere. The narrowest motorcycle tire is 2.75 inches. I want something that will fit in a standard bike frame. You want the largest ...

These showed up on a land speed bike built by Chris Garcia. Information is hard to find but it looks like they are available in 60mm and 80mm width for 17 inch rims. The rims are 1.4 or 1.6 inch wide. This is what I have been looking for something tougher than a bicycle tire but not too wide. I woul...

Radial spoking breaks flanges.

These are the bicycle models with the battery box by the bottom bracket. The batteries are missing and the battery compartments are open. Other than that they seem to be in good shape. They are not going to sell you anything they want you to work for it. It will be quite difficult to become one of t...

Since I started this several interesting things have happened. My last defective DT broke and went into the gears locking them up. I was fortunate I was going slow and was able to pedal to a stop. Spokes must never be allowed to break in the middle. I'm going to repeat this often. I have used DT Alp...

I'm sure some one has modeled the heat flow but the patent is more basic than that. By tapping the battery from the side they have shortened the electrical path thus reducing the internal resistance. Also the electrodes are larger so they can handle more current. This can be applied to other chemist...

A rims resistance to spoke pull through is simply proportional to it's thickness. Bontrager figured this out with his BCX series. You have to determine where your spokes are breaking. Most stainless steel spokes break at the elbow. Spokes are made with 2.2 2.3 2.4 2.5 and 2.6mm at the elbow with a 1...

I would like to divide the spokes I have broke into 4 catagories. Those that break every 10000 miles. These have an N or a S on the heads. I have broke 7 of those. Those that break every 1000 miles. These have a flat head R on the head which I have been told are an early model Pillar. I have broke a...

The equation is LOG(stress)=-.3xLOG(cycles)+4.12+.072xZ The Z is the normal distribution. If you only have 1 spoke you put it in the middle of the normal distribution which divides it into 2 parts. So if you have 36 spokes you divide the normal distribution into 37 parts. Take 1/37 and put it into a...

The following numbers are from a theoretical wheel with 36 14 gauge spokes. They are number of miles you can expect for the first 6 broken spokes. 10000 11930 13391 14637 15771 16812 Now you can multiply or divide this set of numbers by any other number and get a realistic wheel. If your first spoke...

It's been done. You can find finite element analysis to tubing with holes along the entire length which will be lighter and stronger than an un drilled tube.

I took a 21 inch motorcycle tire and covered it with ink. Then placed it on a piece of paper to print the contact patch. The contact patch indicated the tire had 37 PSI in it even though there was no air in it. This tire would ride like a tire with 37 PSI in it if you could keep it on the rim. It is...

The following information is from the Michelin truck tire data book. An 11R22.5 tire has a capacity of 6175 pounds and an 11R24.5 tire has a capacity of 6610 pounds. So a tire's capacity is proportional to it's diameter. Not much but I will take it. A tire's rolling resistance is inversely proportio...

I'm a touring clydesdale I have done 100000 miles with 165 to 190 pounds on the rear wheel. Kevlar tires last 5 times as long as non Kevlar tires if the failure mode is glass cuts. There are 2 main types of these tires. There is the belt or fabric mesh under the thread used by most makers. There is ...

I found a bunch of ceramic Conrad type bearings in the road about 4 years ago. Don't remember the brand other than they were manufactured for a skate board company. They had been run over so I took them apart. I put 44 balls in my loose bearing pedals and have been riding them dry every since. Also ...

The problem with drilling rims is the valve hole is in the way. You could drill just one side the side with the most broken spokes. HiE has done the most weird drillings look for these on the web. Santana built some 16 32 wheels with Phil Wood hubs and custom drilled super champion rims I have been ...