How To: Make Letters and Numbers for Autocross

autoxes

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2000 Eunos Roadster
Okay, so this being my first year in autocross, I'm learning quite a few things, namely, that though it is the least expensive motorsport, it's still expensive (for me, low income college student)

So, part of the Solo rules is that you have to identify your car with numbers and the letters of the class that you'll be running in. I did some research, and some places want > $60, just for the numbers! So, I talked to some people, and decided that making my own ID characters would be the best thing for me, until I decide that there is nothing better to spend money on than some professional letters. For those who come after me, I have made this how-to.

Step 1: Go to Lowes and buy some magnetic airconditioning vent covers.
Orginally intended to save energy costs, these $4.97 jewels will now become letters and numbers on the side of your car. Get the pack of three, I bought two packs, but only (maybe) will need one. I figure they may eventually fly off (hopefully not beheading a corner worker) so I guess I'll have spares, or if I want a different font at some point.
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Step 2: Go into Microsoft Werd (write letterz n s*** yO!) and select a font.
I used Matisse ITC because it's a pretty cool font IMO. Set it to 72pt, or if you're fancy and have a more recent version, a larger font. If you're going to have a codriver, they need a number too, so go ahead and throw a "1" in there, it's easier to peel it off between runs.
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Step 3: Copy screen capture into paint.
You'll need to put each character into paint, so that you can print it out full screen, otherwise your letters will be too small. You do this by hitting Ctrl+Prt Scr. Then, once in paint, you crop out each letter and paste it into another paint window.
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Step 4: Print out your characters.
You'll need to go to print setup, set it to the smallest margins possible, and select "Fit to page". This will make your number / letter large enough. Then, send it to the printer of your choice. Mine is an ancient LaserJet 4. Hit print.
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Step 5: Cut out your number from the printed sheet.
This will give you what your number is going to look like, at the correct size and everything.
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Step 6: Tape down your model to the magnet material.
This will give you a guideline to cut around, making it a load easier to do it right, and not mess up your magnet. I didn't get a pic of this one, but it's pretty self explanatory, just tape the thing down!

Step 7: Cut out your number.
TAKE YOUR TIME!!! It will take longer (obviously) but the results will be a lot nicer. When you finish, peel off your pattern, and voila, you've got a number.
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Repeat this for any numbers / letters you have to have.

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Step 8 (optional, depending on the color of your car): Paint them.
Find something flat and metal so that paint doesn't get on the magnetic surface, and spray it your desired color. I haven't done this yet, but I'm going to be using a trashcan.

And there you have it! For under $15, and a couple hours, you've got numbers. Depending on your skill level, they could very well be just as good as professional numbers, just take your time.
 
Don't want to burst your bubble, but you may have wanted to pick a more legible font. I'm not sure how easy it will be for the timing trailer and corner workers to make out your 5s from a distance. They might be OK, though.
 
Like I said, no problem to change, as I bought extra schwag. It should be okay though, once I paint them with a high contrast color (dark blue)
 
I don't think there will be a problem once they're painted. It's a bit funky, but they look meaty enough to be visible.

EDIT: Then again, I had numbers you could see from space...
 

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Try the 50-50 rule on them. Can somebody from 50 feet away read them at 50 MPH?

Make sure they meet all the requirements from the rulebook. I am not sure if they meet the stroke width requirement at the top of those 5's.


E.Numbers must be a minimum of 8" high with a 1.25" stroke. Class letters must be a minimum of 4" high with a 0.75" stroke. In all cases, the height of the class letters must be between 25% and 75% of the height of the numbers. Stroke width must be at least 10% of the height. (See Appendix F.)
 
Shawn and I have a few letters and 0-9 numbers done that way, it does work very well. I paid for a set w/ my permanent #s a couple years back, but after an on-course escape last year, they're not looking so hot. So, I'm selling a track day for cash and new magnets. :D
 
Be advised that the magnetic vent covers are very thin and tend to curl at the edges after a while. I've used 'em repeatedly only to have them curl and blow off the car. Placing them on a smooth metallic surface when they're not in use, however, helps a lot.
 
Actually, counter to my advice, I'll prolly buy some from Jackelope at some point this season LOL.
 
Be advised that the magnetic vent covers are very thin and tend to curl at the edges after a while. I've used 'em repeatedly only to have them curl and blow off the car. Placing them on a smooth metallic surface when they're not in use, however, helps a lot.

Any suggestions for a better cheap material?
 
Any suggestions for a better cheap material?

Any magetic sheeting will work fine, as long as it's thicker than the vent covers. I'm sure it can be found online. Once that's procured, Autoxes method will work perfectly.
 
Any craft store should have rolls of magnetic sheet. I cut the letters/numbers out, hit them with some paint and they turned out great.
 
^^yep...AC Moore or Michael's will have sheets for cheap. i made my numbers out of adhesive vinyl (available at said arts/crafts store), and stuck on the sheet. i found that over time, my old cutout magnetic numbers got brittle/torn/curly, but that the sheet stays intact longer. plus, no problem with contrast using black vinyl numbers on a white magnetic sheet.

<--- edit: kind of visible in this pic.
 
^^yep...AC Moore or Michael's will have sheets for cheap.


I got my magnetic sheet material at Michael's, as well. The only problem was finding the one employee in the store that knew which end of which bottom of which shelf in what section of the enormous store the 5 sheets of magnetic vinyl were stocked on! Grrrrrr...
 
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