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  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Wed Dec 28, 2016 6:04 pm   Subject: New builder from Gladstone Qld
Weapon and drive completed, almost. Just need an auto tensioner for the chain.

https://www.facebook.com/david.nielsen.52035/videos/10211244782412625/
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Mon Dec 26, 2016 10:33 pm   Subject: New builder from Gladstone Qld
Nylon boat trailer runners, Fairly easy to work with, and should be robust.
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Mon Dec 26, 2016 8:53 pm   Subject: New builder from Gladstone Qld
Motor mounts gearbox end. It will also give me an alternative way to mount the motors.

https://img.geocaching.com/cache/large/44fd7a49-660b-43e8-9296-1d07a26001f5.jpg

And the weapon motor mount ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:34 pm   Subject: New builder from Gladstone Qld
Yeah, the motors are only sitting in there for the photos. Its already mentioned on Facebook about supporting the gearbox area as well. Still a work in progress. But its got to be on hold for now. Wor ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:23 pm   Subject: New builder from Gladstone Qld
https://img.geocaching.com/cache/large/fbda4386-182f-410f-83b1-22eaa8eb2bc1.jpg

The weapon drive. Sprockets welded to home made adaptors to suit both the drive motor and weapon shaft.

It turns ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:19 pm   Subject: New builder from Gladstone Qld
https://img.geocaching.com/cache/large/ef67028e-d7c9-4409-8e04-fa729cea78e6.jpg

As suggested previously, I used a stepped drill, then a hole saw to make a hole just undersize for the bearing, then ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:17 pm   Subject: New builder from Gladstone Qld
https://img.geocaching.com/cache/large/baf87a0c-0e8f-4535-8dd5-bcb2c95f8c46.jpg

The bearing mount for the weapon also acts as a chain guide.
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:14 pm   Subject: New builder from Gladstone Qld
https://img.geocaching.com/cache/large/6fc219d9-48ad-4ca1-8d92-a243bf1ca677.jpg

A rough layout. Approx 350mm from front to rear.
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:10 pm   Subject: New builder from Gladstone Qld
https://img.geocaching.com/cache/large/8fb3a621-53e3-49e1-87f4-53d5f417e3d4.jpg

One possible mounting method for the weapon drive motor. I do have a couple of other ideas as alternatives. They have ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Fri Dec 23, 2016 8:07 pm   Subject: New builder from Gladstone Qld
https://img.geocaching.com/cache/large/edb47ed3-6914-41bc-9672-36ffeb2bd7a3.jpg

https://img.geocaching.com/cache/large/5e7853b1-06ea-4d3f-8022-967e7847da26.jpg

Drive motor mounts. They still hav ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Thu Dec 22, 2016 6:58 pm   Subject: New builder from Gladstone Qld
Ohhhhh, I might be able to break out the welder tomorrow.

A bit of luck today. Lying down the back shed was a couple of derelict chinese pit bikes. Pulled one out today, to have a bit of a squiz t ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Thu Dec 22, 2016 12:27 pm   Subject: New builder from Gladstone Qld
Actually, Nick might be onto something. I am making my motor mounts out of nylon, and I do have some spare. I could melt the bearing into an undersized hole. The bearing holes as standard are into met ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Thu Dec 22, 2016 10:09 am   Subject: New builder from Gladstone Qld
Yep, Ok, the gell cell battery was just a fleeting thought as I saw them in passing one day.

I have pretty much abandoned the idea of using the original chassis, except for the mounts for the weap ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Tue Dec 20, 2016 11:14 am   Subject: New builder from Gladstone Qld
And I am still toying with the chain drive for the weapon. Both sprockets will nearly be touching, so only looking at about 3inches between motor centre line and weapon centre line.

Went up to a l ...
  Topic: New builder from Gladstone Qld
Bundyrumandcoke

Replies: 47
Views: 39705

PostForum: New Builders   Posted: Tue Dec 20, 2016 11:10 am   Subject: New builder from Gladstone Qld
Yep once those drills are pushibg around 13kgs they will run down fast then if you have a weapon going to its shocking how fast batteries drain- flipper at gladstone had a 4s 2amp pack and it was stru ...
 
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