Be careful dusting off your car.

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Thorlick
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Be careful dusting off your car.

Post by Thorlick » Fri Mar 27, 2020 8:33 pm

Since I am sheltering at home and saw a speck of dust on my '27 T pickup and decided it was time brush it off. One thing led to another and I've almost got the car clean. I decided to post some photos of what I found under that speck of dust.

Note the speck of dust on the running board!
Note the speck of dust on the running board!
IMG_3021.JPG (21.08 KiB) Viewed 1205 times

I finally got the speck of dust off and this is what I could see:

Magnet spool problems.
Magnet spool problems.

Looking back in time a few months ago I installed my engine after some work was done to it. The work was done by an expert until it came time for installation. Then I set up the magnet height and mag clearance whilst doing the install myself. As always I "tapped" my magnets down until all were within .002" of each other. Problem was they were significantly out of level and Ford calls for using a copper or lead hammer to lightly tap. I have done the tap thing many times over the last 20 years. This time my tapping was more vigorous. Close inspection of these 90+ years old aluminum cast spools indicates cracks in only 8 of them. Just so you won't call me "frugal" I decided to splurge and get all 16 spools for $20 (how can I be frugal, this is four times what the whole car cost!).

All I can say is maybe you should be very careful if you try and flick a bit of dust off of your car!

TH
Terry Horlick, Penn Valley, (Northern) CA
1927 Mountain Patrol Vehicle from the Los Angeles City Fire Department (L.A.F.D.)
1912 Omnibus project


BobShirleyAtlantaTx
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Re: Be careful dusting off your car.

Post by BobShirleyAtlantaTx » Fri Mar 27, 2020 9:50 pm

Don’t forget the screws and if you or a friend has a lathe, making a few spools out of brass is a easy way to get the balance spot on.
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RajoRacer
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Re: Be careful dusting off your car.

Post by RajoRacer » Fri Mar 27, 2020 10:20 pm

That's heck of a great suggestion using variable weight spools - man, I shoulda thought of that !!!


frontyboy
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Re: Be careful dusting off your car.

Post by frontyboy » Fri Mar 27, 2020 11:44 pm

Steve,

As smart and inventive as you are I am surprised you did not think of this 1st. I always read your posts regarding problem solving. Especially your ability to be creative.

frontyboy :!:

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Steve Jelf
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Re: Be careful dusting off your car.

Post by Steve Jelf » Sat Mar 28, 2020 12:27 am

I don't care if it's in the Bible, I hate the idea of whacking magnets with a hammer. I make shims and put them under the low ones. That brings them up to where all are within two or three thou. Close enough for gummint work.

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The inevitable often happens.
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david_dewey
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Re: Be careful dusting off your car.

Post by david_dewey » Sat Mar 28, 2020 2:02 am

Terry, I hate to mention it, but that field coil doesn't look too healthy either. While you're in there. . . . .
Nothing else to do right now!
T'ake care,
David Dewey


Original Smith
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Re: Be careful dusting off your car.

Post by Original Smith » Sat Mar 28, 2020 10:43 am

Maybe that is why Ford made the early spools out of brass!


Scott_Conger
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Re: Be careful dusting off your car.

Post by Scott_Conger » Sat Mar 28, 2020 12:46 pm

David

appears you're really passionate about the subject! :lol: :lol: :lol: (one for each post)
Scott Conger

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Rich Bingham
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Re: Be careful dusting off your car.

Post by Rich Bingham » Sat Mar 28, 2020 5:45 pm

I’m almost done polishing the outside bass, one side lamp and two hubcaps to go. Now for the mag spools ! :lol:
"Get a horse !"

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david_dewey
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Re: Be careful dusting off your car.

Post by david_dewey » Sat Mar 28, 2020 6:04 pm

Scott, that's what happens on dial-up when the screen goes blank & you think you lost the page entirely. Oh well. . . .
T'ake care,
David Dewey


R.V.Anderson
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Re: Be careful dusting off your car.

Post by R.V.Anderson » Sat Mar 28, 2020 6:14 pm

Whacking magnets was fine when all was new, or almost new, but 100 years later we have to do things differently. First, the brittle century-old aluminum doesn't squash well; it breaks, as Terry has shown. Second, you're taking some of the charge back out of the magnets that you just spent a lot of time putting in. I have practiced and advocated shimming for years. This thread has brought out a nice new kink: I think I'm going to add the multi-weight spools idea to my shim method.

I second the motion on your field coil, Terry. You don't need another dish of copper linguini. :shock:

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Topic author
Thorlick
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Re: Be careful dusting off your car.

Post by Thorlick » Sun Mar 29, 2020 6:42 pm

This mag is wonderful. R.V. built it up and gifted it to me about 20 years ago and it has been in continuous service ever since. I have had the engine in and out through probably over 50,000 miles and what David is noticing is a little bit of insulation frayed here and there on the outside edges. As I remember it R.V. gifted this to me as a "thank-you" for the work I had been doing monitoring and maintaining the MTFCA website and forum alongside Gus Stangeland. You don't get more knowledgeable about mags and more generous than R.V.! Thanks again R.V.!!!!

The mag still has an almost perfect coating of glyptol and has been powering Rusty as my daily driver ever since R.V. sent it. I have no doubt that when I am gone this mag will still be powering Rusty!

TH

Terry Horlick, Penn Valley, (Northern) CA
1927 Mountain Patrol Vehicle from the Los Angeles City Fire Department (L.A.F.D.)
1912 Omnibus project

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