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Registered Member #15
Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
Here are some first light photos of the DRSSTC III system. The first is during a run this evening. I finally killed my secondary in the last run. Notice the green glow from the copper burning and the pieces of schrapnel going every which direction. Totally cool!!! Luckily, i have two more to destroy before i have to make new ones!!! I coated one side with epoxy (only had one tube of it), so that was pretty bombproof, but the other side (which is what burned up) only had a thin coat of acrylic enamel on it.
Registered Member #139
Joined: Sat Feb 11 2006, 11:01AM
Location: Perth, Western Australia
Posts: 358
Would it be possible to get an acrylic tube _just_ a bit larger than the secondary, slip it over the top then fill it with epoxy? Might help with the issues?
Registered Member #15
Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
Thanks for the comments.
Steve, I did kill (2) IGBTs on the first night. I disabled my current limiting circuit and was really pushing the coil. This coil does use primary feedback.
Desmogod, Yes, that is a possibility, although i'm going to try a couple of coats of epoxy first. That should be enough, and arcovers aren't too bad now - the last failure in the 2nd photo was merely a fluke. It arced to an an area with no coating and i just kept forcing it to fail for the photo-op.
Blackplasma, I accidentally had very high compression enabled when i resized the first photo, so thats why it looks like garbage.
Here are some new photos including two inside the box, and another arc photo which is a composite of two photos (two break-out points too)
Registered Member #146
Joined: Sun Feb 12 2006, 04:21AM
Location: Austin Tx
Posts: 1055
Very nice inside! Is the heatsink just a thick plate of aluminum?
Looks like you dont even need the strike rail . I try not to allow too many primary hits, though the few that ive had, havent been a problem. You certainly are testing its resiliance to primary strikes, thats great!
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DRSSTC III Photos and "How to kill a Secondary"
. I try not to allow too many primary hits, though the few that ive had, havent been a problem. You certainly are testing its resiliance to primary strikes, thats great!