Bombus Speedshop

Bombus Speedshop
Wrenchin' without supervision since the seventies...

Saturday, November 28, 2015

Mockup

Time to finaly get the girliebike on its own feet.
Must say it looks awesome.
The enthusiasm dip i had earlier this autumn is long gone now.
This gonna be good for real !!!



Wheels

So the wheels came back from the rubber man.
Looks awesome, 17" & 21" was a wise choice.
Time for some real mockup now....?


Monday, November 23, 2015

Monday, November 16, 2015

More pipes

So the pipework continues.
I left the idea with thick wall piping...for now.
This time I'm cutting up OEM Harley pipes instead.
The other big job with the pipes except positioning the turbos is to step them down from 1 3/4" to 1", what that the turbos have as inlet.
Did some calculation and came up with I have to shrink the circumference from 139,5mm to 79,8 mm.
To manage that I did 8 triangular slots 7,5 mm wide at the top.
This is just a measuring prototype and the final pipes must have some more massage first for the right angles out of the heads to position the turbos.
Buts that's another post......
The 1 3/4" pipe i started with.

The 1 3/4" pipe with slots.

The stepped down end ready for weld.

And the finished testpiece next to the flange.

Think I´m on the right track here, but I have not abandoned the idea with more rigid thick wall piping.
Time will tell wich alternative will walk away as the winner.

Sunday, November 1, 2015

First cut...

The first header pipe cutting exercise just happened.
Number one of MANY before the little snails are mounted for real.
This test fit felt wrong before I even started to weld.
But what the heck, I must start somewhere to make this to the Cosmic Dreamer it will be in the end.
The first, way to snug test fit.