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Subject: 
Technic mountain bikes
Newsgroups: 
lugnet.technic, lugnet.org.ca.rtltoronto
Followup-To: 
lugnet.technic
Date: 
Mon, 1 Sep 2003 17:37:07 GMT
Highlighted: 
!! (details)
Viewed: 
3415 times
  
Hi folks

I've uploaded pictures (thanks Calum) of two new technic models to
Brickshelf: full suspension mountain bikes.

Deep link to bike #1:
<http://www.brickshelf.com/gallery/rotorhead/mountain-bikes/gray1.jpg>

This is more of your typical cross-country bike, with a neat front fork
suspension - this was available on AMP research mountain bikes a few years ago.
It also features a derailleur at the back, although the bike is
only single-speed :)

Deep link to bike #2:
<http://www.brickshelf.com/gallery/rotorhead/mountain-bikes/red4.jpg>

This is more of a downhill bike, with longer front and rear suspension travel.
The rear swingarm took the most time to perfect.  The rubber band-tensioned
rear derailleur is semi-functional, since the rear swingarm pivot is NOT
on the same axis as the bottom bracket (where the pedals are) - as a result the
chain length changes slightly as the suspension is compressed.

Building suspension into these bikes was only possible through the use of the
new studless beams and liftarms - as some of you know, I am a big fan of these
new technic pieces!

Enjoy, and let me know what you think!

John

PS.  The bikes are not completely to scale, but I will improve that next time.
PPS. I will MLCAD these bikes in the near future - but first I need to figure
out how to model LEGO chain efficiently.



Message has 4 Replies:
  Re: Technic mountain bikes
 
John- Nice bike. (21 years ago, 1-Sep-03, to lugnet.technic)
  Re: Technic mountain bikes
 
Here's the full BrickShelf folder: (URL) that I this Sunday spent over six hours in a XC Mountainbike race (112 km) I'll have to say that I'm fairly used to looking at bikes such as these (OK, maybe not so many DownHill bikes participating but (...) (21 years ago, 2-Sep-03, to lugnet.technic)
  Re: Technic mountain bikes
 
John Guerquin's utterance expressed in news:HKJq9v.1vAu@lugnet.com: (...) This is really great - I love the back suspension. I made an mtb some time ago, but didn't try full suspension :) (...) The derailleur on this one is really cool, but I think (...) (21 years ago, 2-Sep-03, to lugnet.technic)
  Re: Technic mountain bikes
 
(...) John, Nice stuff. I have often thought of doing an MTB myself. Now that I have the hailfire, I will be thinking of building something that can take advantage of those hoops! Dave (21 years ago, 2-Sep-03, to lugnet.technic)

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