Thursday, September 30, 2010

Lathes are the Best

IMG_5869, originally uploaded by rackntroll.

I was in a pinch, needed a presta valve extension. Lathe to the rescue, they are the best!!!

Welded Racks

IMG_5853, originally uploaded by rackntroll.

5/16 x .035" tubing, gas welded. A Victor 000 welding nozzle would help keep the bead smaller, but I'm okay with the 00 tip for now. I tried to break the weld, it held up, the tubing tore open. Expect my first gas-welded rack soon, I'll send it over to Chris for some long term testing.

Thursday, September 23, 2010

Moments of Clarity in Otherwise Murky Water

I know, I know, this post title sounds like a Modest Mouse album. Shit, maybe it already is, I dunno.

Anyways, got some real welding rod in the mail today, and welded up 6 more practice joints. The thinner 1/16" filler rod is great.

Wednesday, September 22, 2010

Moto Rack Part 2

Luke stopped by with his motorcycle to see how the plate fit onto his luggage system. We had to pop it onto the mill and make a few changes but it all worked out perfectly. Still need to do a few things before it is ready to hold a bicycle, but its headed in the right direction.

Tuesday, September 21, 2010

Lazy AND Poor

It has been said that TIG welding is the lazy man's fillet brazing, and that fillet brazing is the poor man's TIG welding.

So I suppose that leaves gas welding for the lazy AND poor man?

It really started to click on the 5th and 6th attempt. Need more practice though.

Still using coat hangers, have some real welding rod coming in the mail soon. Yippee!

Bromke Rack Mark I

Finished up the first iteration of the Bromke rack in time for the Brompton World Championship held at Blenheim Palace, north of Oxford, England.

Monday, September 20, 2010

Moto Rack

Helping out a friend who wants to be able to carry his bicycle on his motorcycle. The aluminum plate fits onto a luggage system already on the motorcycle. A Thule or Yakima tray will be bolted to the aluminum plate.

Layout work

Barely fits on the machine

Boring a hole


Wednesday, September 15, 2010

Frame Repair...

...of a different kind.

So a friend of a friend had this off road go cart dune buggy type thing that had been stored and not running for a while. My buddy and I got it running for him. It was a lot of fun-- while it lasted. It had been crashed previously, and I may or may not have tagged a tree pretty hard with it. It finally decided enough was enough, thankfully the owner was driving it at the time, phwew.

The brackets that hold the lower control arm completely separated from the frame, wrecking the shock absorber along the way. The top and bottom control arms were already bent from previous altercations with trees.

The rear bracket took a nice chunk of tube along with it. the front broke off cleanly leaving some chunky weld to grind off behind.

I cleaned up the original rear bracket of chunky weld and tacked it to a big ol patch. Then I brazed the patch over the hole then filleted the bracket. I made a new front bracket bc the original was mangled nicely. Doing these fillets was pretty tough, I couldn't move around and position the frame to get a nice uniform fillet like when I do a rack or bike frame. I was fighting gravity the whole time. After tinning I had to sorta let a blob of brass run down the bracket a little then build up the brass on top that. Definitely not pretty. It was also difficult positioning my body to access all sides. I was stuck in some awkward positions.

A large portion of floor pan had to be cut and bent out of the way to braze the bracket on. The floor pan was bent back and I gas welded it back together. I have very little experience gas welding, but I am extremely happy with the out come. So much that I now want to gas weld my next bike frame, also maybe try gas welding a couple of racks.

Here's the cart- all ready to go, go, go.

Monday, September 13, 2010

Surly Cross-Chick

Here are some pictures of my wife's bike. She's bike commuting into work again so I set it up last week with some goodies.

Monday, September 6, 2010

Fresh Paint

IMG_5750, originally uploaded by rackntroll.

I decided I would fore go any additional frame modifications and just get some paint on this frame. It was an extremely quick and dirty spray job with a few spots of nastiness. Oh well, its for riding-- not looking at, right?

Thursday, September 2, 2010

The show must go on...

IMG_5725, originally uploaded by rackntroll.

Now that Laura is back at work I no longer have the carefree lifestyle that allowed me to work in the barn into the wee morning hours. Trying to find little chunks of time here and there to keep chipping away at various projects.