I have roll of 1/4 foam underlayment that is perfect for track wall cushion. Black in color. It is reinforced with a mesh. Doesn't chunk out or get cut from repeated impact. I can cut to any size. Its nice stuff. You pay postage and its yours. I would guess a 4"x 8'piece weighs 2 lbs PM me with sizes if you would like. Any size.
Thanks for the offer Pete. I may take you up on some of that. I recently took my basement over and was able to fit a road course and im in process of setting up a dragstrip against the opposite wall. Nothing special just afx track.
I keep looking at this scale. I think it can help out new people (myself) in building and trying to be rule compliant. I have some magnets I have no idea what they are...skin takers for sure.
Say you get a box of magnets. Are they ceramic , poy, cobalt, neo ...I have no idea. (I am getting better with this ceramic ends up being easier to pick out in time). I think just by feel you can almost get 4 categories. Junk (can't even feel a pull)/ Factory/strong/stupid strong
If you can feel that ceramic is your Factory grade. For the races I have some magnets im just not sure what they are so I just don't use them.
This scale can measure in grams or even grain to get a closer number. The scale is giving me consistent measurements. I measured a pile of magnets awhile ago and wrote the grain count on them. I measured them today and they get the same reading. Now if you move the magnet off the rail you can manipulate the count by around 4-7 grain. Not really a huge deal.
I should have sent it to Dave's race. I was thinking if we could get a range together to help builders.
Say Factory pancake motor magnets land in between 100 and 250 grain. Then now as a builder I can say what is this magnet?is it legal? Stick it on the scale and see 224 grain. Ok I can use it. Without having blood pressure rising thinking man it runs good I just don't know about the magnets. Im not a cheater im not trying to cheat.
To the new builder those numbers are important no matter what kind of scale you have or use. That's part of fine tuning.
The scale I use helps in traction magnets also. Find the strength of the magnets. Put them in and then measure total car down force. Changing total down force up or down will effect cars speed dramatically. Find the grade you want to be in then fine tune by changing them over and over until you find a happy spot.