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  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Fri Jun 23, 2017 9:31 pm   Subject: Jolt & friends - Team Overkill - NSW
I don't know any local places that sell cut to size titanium - it all comes from Ti Joe in the US. They have a huge warehouse of Ti off-cuts but be warned the stock list isn't up to date so sometimes ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Fri Jun 23, 2017 12:01 pm   Subject: Jolt & friends - Team Overkill - NSW
BTW: air assist is for much more than keeping the lens clean. Smoke absorbs the IR laser beam really well, so the faster you can blow the smoke out of the cut, the better the laser will work. Just inc ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Fri Jun 23, 2017 11:54 am   Subject: Jolt & friends - Team Overkill - NSW
The issue with cutting thick materials is mostly the short focal length lens that most of these lasers come with, the short focus means a higher power density at the focus point, so they cut like cham ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Fri Jun 23, 2017 1:29 am   Subject: Jolt & friends - Team Overkill - NSW
The 100W laser itself cost just under $3,700 and I have spent around $300 on upgrades. The time invested is never ending - there will always be some tweaking to be done, whether its really needed or n ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Thu Jun 22, 2017 9:18 pm   Subject: Jolt & friends - Team Overkill - NSW
CNC Mill:

The column support is progressing, but slowly due to some painful finger injuries.

http://www.nswrfc.org/Nick/P6221351.JPG

http://www.nswrfc.org/Nick/P6221353.JPG

The spacer and ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Wed Jun 21, 2017 10:40 pm   Subject: Jolt & friends - Team Overkill - NSW
This is the problem area:

http://www.nswrfc.org/Nick/P6211350.JPG

I need to put a spacer between the green & red Y axis linear bearing and X axis tube above it. The screws holding the tube ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Wed Jun 21, 2017 10:03 pm   Subject: Jolt & friends - Team Overkill - NSW
Their testing probably ends after they see the tube light up Rolling Eyes . Until now I wasn't too fussed about fixing little things like cheap mirrors or the poor air assist - that's what you get for one t ...
  Topic: New builder need advice
Nick

Replies: 11
Views: 174

PostForum: New Builders   Posted: Wed Jun 21, 2017 6:11 pm   Subject: New builder need advice
I'm not a big fan of V-tails mixers either, they are a necessary evil you sometimes have to use.
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Wed Jun 21, 2017 6:09 pm   Subject: Jolt & friends - Team Overkill - NSW
Winter Solstice:

Even though its the shortest day of the year, I got a fair amount done. Later on, I should make a sacrifice to the robo-gods to ensure a bountiful harvest of trophies at the up-com ...
  Topic: New builder need advice
Nick

Replies: 11
Views: 174

PostForum: New Builders   Posted: Wed Jun 21, 2017 9:03 am   Subject: New builder need advice
It is very hard to impossible to find a surface wheel radio that does steering and throttle mixing - I have been looking for several years Sad. Unless you get very lucky, you will have to stay with sti ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Tue Jun 20, 2017 5:25 pm   Subject: Jolt & friends - Team Overkill - NSW
CNC mill:

The last of the aggregate just arrived and the Steel plates are ready to pick up, so its time for more work on the mill. The quill will be locked so there is really no need for the handle ...
  Topic: Turning a TZ85A into a Sensored controller
Nick

Replies: 17
Views: 482

PostForum: Technical Chat   Posted: Tue Jun 20, 2017 8:58 am   Subject: Turning a TZ85A into a Sensored controller
Does the BEC on the average Hobbyking ESC also power the internal logic? The ones I have looked at usually have a 7800 series regulator so maybe replacing that with a pin compatible switching regulato ...
  Topic: Jolt & friends - Team Overkill - NSW
Nick

Replies: 8456
Views: 1065276

PostForum: Builders Reports   Posted: Sat Jun 17, 2017 8:39 pm   Subject: Jolt & friends - Team Overkill - NSW
The TIG cooler was looking rather messy so I neatened up the plumbing and added quick-connects:

http://www.nswrfc.org/Nick/P6171338.JPG

Meanwhile the first two new mirrors are installed in the l ...
  Topic: Robogames 2018?
Nick

Replies: 9
Views: 122

PostForum: State Specific Information   Posted: Sat Jun 17, 2017 11:39 am   Subject: Robogames 2018?
Forget about Banebots, that's spare weight for the trophies!
  Topic: Robogames 2018?
Nick

Replies: 9
Views: 122

PostForum: State Specific Information   Posted: Sat Jun 17, 2017 8:04 am   Subject: Robogames 2018?
LOL, you just became the team navigator!
 
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