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On a bicycle, that offset is called rake. It reduces trail. Trail is like the caster on a grocery cart. It lines the wheel up with the direction it's being pushed. Head tube angle is what can make a bicycle self-steering. On a bicycle it's measured from horizontal. Yours seems to have 73...

So you think the song says little boys soon lose interest in marijuana? The song is based on Ogden Nash's 1936 "The Tale of Custard Dragon." A little girl had a dog, a kitten, a mouse, and a dragon. The dog, the kitten, and the mouse boasted that they were brave and ridiculed the dragon, who...

(Sonoma Farms ad) In Alaska in 1975, I'd read in the paper when somebody would complain of missing pot, and the State Police would say they would investigate and attempt to recover his property for him. Why? The original owner was going to burn it anyway. When Gunsmoke was being filmed, James...

I wanted a stool to work on bikes without squatting or kneeling. This collapsible stool is rated for 400 pounds, is much more comfortable than a bucket, and can be adjusted up to 17 inches in increments of about 2 inches. When I'm standing, it can serve as a table for tools and parts.

I rode one-handed once, one morning in January, 1973. It was 17 F ( -8 C) and I was riding my motorcycle 200 miles from Baltimore to Manhattan. I was so comfortable in leather over wool that when i reached the New Jersey Turnpike, I stopped for a can of coke to drink as I rode, if it didn't...

I was thinking you could use your hands to hold the visor wherever needed. Better yet, opera glasses.... no lens necessary. In fact, you could make your own opera glasses with toilet paper tubes. Best: an umbrella!

If you could learn to ride with no hands, you wouldn't need any visor bolts. :D

It weighs 2.8 pounds and covers 12 square inches, so it's 0.23 psi plus a little hand weight. I don't press. It's a polypropylene cutting board that I sand occasionally so cuts won't harbor pathogens. I tried 240 and 60 grit. In both cases, powder quickly accumulated. Maybe I could have cleaned...

I used to sharpen mower blades with an angle grinder. Then I discovered that a 1/2" belt sander does it better. I believe the speed of an angle grinder is about 150 mph. The heat is bound to soften the edge, I think. My belt sander is adjustable, 10 to 20 mph. I can choose the coarseness of the...

I believe I'll buy a pair! Shears excel at lots of things. I often use shears instead of a string trimmer. When I had to cut sheet metal, cheap EMT style scissors worked. Your shears look better. The last time I cut a polypropylene mat, I used kitchen shears advertised for cutting chicken bones.

Can it sand wet? I tried a detail sander on plastic. I guess it's an orbital sander. It looks like a little clothes ironer and has a vac. The plastic clogged the sandpaper, which I had to remove to wash clean. Using it wet would have clogged the vac.

In riding, I concluded that I didn't have to take more off, but the angles in my field of vision were annoying. I realized I had something better than sandpaper: a plane with a sharp blade. Soft plastic is terrible to carve with a knife, but with a plane, control was so good that I turned it...

I checked a 1600 W hair dryer. At 117 V it pulled 11 A and used 1300 W. If it could be fed a full 125 VAC, it would pull about 12 A. The power factor was 1.0.

I zip tied mine to the original visor, which is designed to pop off. Years ago I bought polypropylene cutting boards, 1mm thick. They're like place mats. Polypropylene flexes well, resists fatigue, can be cut with a box cutter or scissors, and can be shaped with a heat gun. I made an extension...

That estimated 80 miles a year could cause imbalance. Cells get out of balance with each other through self discharge. Recharging seems to have some capacity for equalizing cells, but just a few charge cycles in a year may not be enough. I bought an e-bike in 2020 so I'd have transportation...

The shaft driven bicycle is an 1880 innovation. It made rear-wheel drive possible because chains weren't yet good enough for bicycles. Shaft drives faded not long after 1900 because chains were more efficient than the gears used then.

If I was going to be riding when the sun was low, I'd wear my cowboy hat. Safety demanded it. The visor on my helmet was too short and too high to see well into the sun, no matter how I tipped my head forward. Now I've supplemented the visor on my helmet. The green addition extends 6 cm from the...

I advanced it in small increments. As he moves toward the building, the weight on it increases and the weight on the street decreases. The ladder starts to slide fairly slowly. Suddenly, the voyeurs jerk the camera up so we can't see the fall. In the last thing we see, he's crouching on the...