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Comment by Jezza on August 30, 2010 at 20:29

woah

I just use a string, dipped in chalk. Pull it tight along the board and pluck the string, gives a straight lines. Then put lines to each side of that one for the bolt holes. Position the plate on those lines and drill away.

Its got nothing on Fitz's method but its gives true (enough) holes.

Premium Member Comment by Fitz on August 30, 2010 at 20:19

Jig blocks are able to slide up and down guide strip to whatever wheelbase you want. Clamp in place and drill. Perfectly aligned and centered every time.

Premium Member Comment by pete hill on August 30, 2010 at 19:39

a fitzym'cjig

Premium Member Comment by Matthys on August 30, 2010 at 18:54

what type of jig you using fitz???
care to give us a pic???

Premium Member Comment by Fitz on August 24, 2010 at 22:06

Pilot hole not required if you use a wood-bit, and like Jezza mentioned, always have a pice of scrap clamped underneath.
Wood-bits have a sharp point which allows you to accurately centre the drill.
I use a jig so no markout or wood bit required. Adjust within a mm and just shoot down the tube!
Wood-bits look like this for those interested.

Comment by Jezza on August 24, 2010 at 21:50

1. dont worry bout it
2. Prelam is plywood. Its prelaminated. The alternative, but more expensive version of this is using veneers. If your using 3mm plys then its prelam. Using plywood then pressing it again is okay, its just the glue that is used in it isn't that great, and will cause the board to flex over time (and not that nice reboundy bamboo flex)
3. 9x3mm plys is probably overkill. I use 6 for me, so probably 7
4.If your using marine ply then you dont really have a choice, its marine ply or marine ply, best bet is to check it out in store, fid something that will bend a bit and use that, if it flexes too much, add some more layers

Comment by Byron David Evans on August 24, 2010 at 21:38

hey first time board builder
i've tthough the entire tread and i have a couple of questions
1. whats this about soaking? ive heard mentions about it but not sure on details?
2. Whats this about prelam? do i have to laminate my board or something after ive pressed it?
3. im making a board this weekend out of 9 plys of 3mm marine how would this go for a for a 90kg rider? more ply? less ply? its ok?
and finally 4. what the best wood for a slight flex? the rider is around 80 to 100 kgs

thanks sorry about the hundred questions cheers

Premium Member Comment by Matthys on August 24, 2010 at 20:40

if you drill a tiiny hole to begin with, it wont splinter as much, then you can drill up half way from both sides. ducktaping the bottom also helps

Comment by Sufyan Ghazali on August 24, 2010 at 20:29

can you guys eplain to me how drilling a pilot hole help prevent the splintering? do you just drill a hole in the centre?

Comment by Jezza on August 24, 2010 at 17:00

yeah drill a pilot hole and clamp a bit of scrap to the bottom, stops the splintering. Same for dropping it through.

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