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Here little data on magnetic north vs true north.

Here chart on miles vs degrees

Here is small version? 4" x 4" [100mm x 100mm] if note the find adj? had removed. It could be more work to get down to 3" x 3" Dave

Looks great Dave

Mini alternator kits for nostalgia drag racing. There are three different kits available, one which caters to the small block Chevrolet crowd, one for the 348/409 racers and of course the Mark IV

Sounds great Dave

The welder cost under $20 USD and we had already bought it for battery packs. Looks like batches of a dozen at a time, don't know how many. First batch is out for market test.

That tuff one main reason is keeping the cost down. They make good equipment for this work but all cost money. It sounds like for advertising. I do not know the number you need ,look at soldering for

It's a bunch of clips that hold paper. this thickness is close to the range of battery packs, only for batteries it's nickel to stainless.? The nickel comes in 0.1mm, 0.12mm, 0.15mm, and 0.2mm.

That is 0.012" Very hard to weld . The only way I ever did was silver solder to avoid buying the correct equipment found in electronic industry. I was in heavy steel. What are you building? Dave

0.3mm

2mm is rod size opps What gauge is metal ? Dave

Hard to hit a 2mm diameter rod with a mig welder.? The rod is only twice the size of the mig wire.

2mm is is about 14 gauge . For short run I use a mig welder. Maybe pug welding inthat gauge. Spot welders are great tool? but heavy gauges takes a lot amps in thousands amps to do weld

We've got a bunch of sheet metal clips to attach to 2mm stainless steel rods.? Hmm, how to do this. Then I hit on it.? We have a Docreate spot welder for making up battery packs (like 18650

That fantastic Congratulations on passing. We need inspectors it is a pain waiting for inspection but is very need. Sounds like you work steel This has nothing with boilers. The Northridge

That project was finished last summer. We passed our boiler inspection with flying colors afterwards. We also wrote g code to make future ones out of steel plate. The new breed of pressure vessel

How is cover going? Dave