The Jalopy Journal
Discussion in 'The Hokey Ass Message Board' started by Speed~On, May 17, 2017.
Now that's a tach!
I wrap tape around a fine wire brush to keep it from flaring out then grind the face flat. Can resharpen if needed. Been doing it for 30 years and even sold some panels. Works on stainless or aluminum, polished is best
I did this on stainless steel with a half-inch Cratex. I was going to put in a 3-3/8" hole in the middle for a tach, with an oil pressure gauge on the left and a water temperature gauge on the right in 2-1/16" holes, but I'm going to have to start over because it is a half inch too deep for the overhead console I've crafted for my '29AA. I may use this for my engine stand, or send it on its way to someone who needs it later.
@osage orange I have this if you're interested, I just finished this one.
7 1/2" tall ( at its peak in the center)
Center hole 3 3/8" for a standard tach or speedo
Thanks for the offer, Speed-On, but I made an engine-turned panel 5-3/8" deep for a console that is less than 4" deep, so I've got to go in the opposite direction. Just gives me an excuse to play with the drill press and Cratex again. Practice makes perfect, or good enough for my purposes.
By the way, what are you guys using for a hole saw? I just used bi-metal, and it doesn't hold up very well to stainless 14-gauge. Anyone using diamond-tipped?
Carbide. Low speed, heavy pressure, lots of cooling oil.
Thanks, David. I use pipe threading oil and it helps.
This one sure doesn't look like it was done by hand...a bit too perfect. I think it was from the 1980's.
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