Technical & Reference Section > Tech and Restoration

Project Q - Prototype Build

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Mikku:
A bit of an odd one this. So much so that I wasn't sure whether to post it in the new school section or here, but in the end decided that some of the interesting tech, not to mention the rarity value of this thing deserves a wider audience! So what is it? It's a prototype race frame made by Quamen, the now defunct flatland brand. Still sporting a raw finish, it was made in or around 2010. Made from good ol' 4130 (more on that later), the frame's main design feature is the seat tube, which is offset by 5/8" as Quamen were experimenting with different ideas for rear-end stiffness. A good or bad idea I'm not sure but it's certainly different! Check out the pics below and judge for yourself. More later! :daumenhoch:

Mikku:
When I bought the frame I knew that it was chromoly (that was one of the reasons I wanted it) but when I finally got my hands on the frame I noticed that the stamping can still be seen on the tubing. That confirmed that it’s actually made of ProMoly, which was a new one for me. Turns out that ProMoly is made by Plymouth Tube Company out of Illinois and according to the factory blurb, exceeds industry specs for 4130 and is the preferred choice for various chassis builders including rally cars and dragsters. Not sure how that translates for the humble BMX frame but it’s another interesting feature of this one. :daumenhoch:

Avro:
Great to see something different. I know absolutely nothing about bikes like this so I am most definately in to be educated and, hopefully, inspired to try something new.

Mikku:
Thanks mate - i’ll do my best but...


--- Quote from: Avro on July 26, 2019, 11:03 AM ---I know absolutely nothing about bikes like this
--- End quote ---

...you and me both!! ;D

Mikku:
One of the other frames I was looking at was Enigma, another now-defunct brand which was originally started by renowned frame-builder Woody Woodruff. I twice nearly bought one of these but it wasn't until yesterday, when I saw another one over on the Museum that I noticed that the seat tube is also setback a bit. Check out the comparison pics below! Obviously the BBs are different so it's difficult to compare them but there's definitely a similarity! I wonder if Quamen was in any way influenced by the Enigma design or possibly another? :D

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