User Profile

[johansen]

in my opinion a hardened steel rod has a higher frequency because you're no longer hearing the fundamental frequency. the metal is hard and doesn't deform...

[johansen]

he has a 30 amp variac. and the stove heating elements are 2600 watts each at 240volts.

so at 120vac both in parellel are 1300 watts or about...

[johansen]

realized its pretty dangerous to put your face close enough to the work..if it caught and QCTP gets broken off the compound the handle of the QCTP pushes...

[johansen]

I wouldn't bother using an oven. Take some hog fencing and either cut it or roll it into the shape you want.

Take oven heating elements or...

[johansen]

i think that directional feature had more to do with keeping the synthetic oil in the bearing and away from the oil seal where it would leak out over...

[johansen]

Originally posted by darryl heinrich

Is it possible that some of the old plain bearing lathes could be run faster with a different lube?...

[johansen]

a 1/8" 7" long rod of 2% thorium sitting next to my brother's gamma ray detector increases the cpm from 6-10 background, to 40.

...

[johansen]

I've probably taken apart 2 dozen of them.

The aluminum wound secondaries, they actually smash the aluminum winding with a die to compress...

[johansen]

two secondaries from similarly sized transformers is a very good option for running a mag drill from rectified and unfiltered 120vac, there should be...