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Plates
Zack
SAPI plate sizes...
Extra Small - 184 x 292 mm (7¼ x 11½ in)
Small - 222 x 298 mm (8¾ x 11¾ in)
Medium - 241 x 318 mm (9½ x 12½ in)
Large - 260 x 337 mm (10⅛ x 13¼ in)
Extra Large 280 x 356 mm (11 x 14 in)
I take it you are after Stiffness, not a considerable weight gain?
If so, get the fake hollow plates that will fit your PC, fill them with an expanding foam from Rona or Home depot. You must apply a little pressure to the front and rear of the plate so you keep the pre curve.
This will most likely give you the required stiffness.
If you are after weight as well then sand in the plate works. You must however tape the top hole for obvious reasons.
Third option is to use a fabrication shop and go for 11 Gauge 44W metal plates rolled and pressed as per your existing fake plates. On the rear of the plate put foam backing on with Velcro. Around the edges use car door edging seals. These will then fir perfectly into the Plate Pocket.
To have these plates made you should be looking at about $35 to $45 from the fabrication shop.
Michaels will have everything else you need to do the job.
I have the drawings for the plates - your angles from sides to top cutaway is 57 Degrees.
The fabricated plates will run at 5.4 lbs all up per plate.
I know all this because I built some in exactly the same manner..
Good luck.
Pete.
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