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I'm using a battery like that in my homemade launch controller that I built several years ago. Inexpensive, durable, and works with my 12v trickle charger/ battery conditioner. And I've never had problems with it being too much voltage for ignitors.

Here's Scott Manley's eclipse experience.

Diesel locomotives use DC motors. The diesel is there just to drive a DC generator. DC is easier to control speed wise usually through pulse width modulation.

An interesting video about the cause.

And let us not forget that they are the Puppet Masters of way too many politicians. :mad:

Here's the video that the above pics are from.

Just posted.

As someone mentioned above NASA launched 3 sounding rockets from Wallops. In June 2018 I took 5 Native American college students to Wallops to attend ROCK-ON, a workshop where we built instrument packages that when completed & tested (which took several days) NASA launched into space so we could...

I just ran across a Japanese news report about the Swedish Gripen. Sweden might be sending Gripens to Ukraine.

Yup. I hate crowds. The last think I would do is be on a large cruise ship.

I did post that he could rent a sander from a local hardware store for pretty cheap.

@prfesser, I'm an old guy too. 73 years & doing pretty good.

My workbench is 1.25" MDF. The screws are countersunk and when I'm routing something I'll cut into the surface. Or drilling something. The fix is mixing up some epoxy like WEST of TotalBoat and adding a thickener and spreading it into the indents. After curing I take my belt sander and sand the...

It would take maybe less than an hour to sand the particle board smooth. 60 or 80 grit would take it down fast.

I'm talking about having a somewhat smooth surface for the Masonite to sit on.

No matter what your final surface ends up being I'd sand the surface. The hardware stores in my area rent tools at a reasonable price. I'd use an orbital sander as it is the easiest to use and very forgiving unlike a belt sander. If you are gluing a new surface on this will make the bonding...

I wonder if they will increase the central span of the new bridge to make the navigation channel wider.

A great video!!

For me it was the 1953 movie "Invaders from Mars". Scared the crap out of me. I was probably 8 years old at the time. https://www.imdb.com/title/tt0045917/