I soon realised that i neede to do a bit of geometric math to apply cuts and correct lengths, i viewed that a 20cm drop in height would be adequate for the base of the funnel assy to catch and give effective speed of removal of sand/media. the quicker the sand exits the cabinet, the less likely you are to lose visibility of your part in the resultant sand storm inside.
Veiwing from the front, i could visualize the drop of 20cm, then how to calculated the rest?
well after study, i used the old favourite, Pythagoras, the lengths of one side is 403mm to the top of the triangle formed, the other side (front and back of cabinet) would be 282 mm. As many a meerkat would say, Simples.
To these markings we have to add material to allow a seam to be formed, i added 25 mm to both front and back sections, this will allow pop rivet of the assy together.
This seam will be sealed using a general automotive or silicon sealer post rivetting.
I havent really made my mind up at this point on the final exit plan for the media, i will just leave a hole to drop media into a suitable catch bag. I would like to view this, perhaps a sealed pipe or similar will be applied, but we shall see.
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