General Category > Simplexes with Non-Original Engines

Simplex Stretch

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Ricks:
As I have had a mid 1940's frame sitting around unused for several years, I thought I would start on a stretched bike.  My plan is to simply upscale a stock bike, by extending the down tubes 4", and letting the other tubes find there own length.  What I did is cut the bike into 3 sections, and reassembled it with thick wall tube that I turned down on a lathe to make inserts.  This will enable me to figure out the other lengths of the stretch, and cut extension sections to fit between the cuts.

On with the pictures.  Here is the junk I started with. 

Ricks:
Look at the frontend someone hacked up!  They widened it, for reasons unknown.

Ricks:
And this is what I came up with.  It is 4" up, about 4.5" on the bottom tubes and 6.75" on the backbone.

This will leave me with almost 18" from the motor plate to the tank mounting crossbar.  For reference, a stock Simplex is 14".

pd:
Plenty of room for a BIG motor , Rick . ;)

Pete . :)

Ricks:

--- Quote from: pd on September 23, 2015, 03:20:33 PM ---Plenty of room for a BIG motor , Rick . ;)

Pete . :)

--- End quote ---

I have not decided on a motor yet, but leaves plenty of room for options.

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