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Viewing User Wall: fietsbob

fietsbob replied to the thread alloy frame design.
"
Quote Originally Posted by spectastic View Post
so hydroforming is like a aluminum equivalent of 1 piece construction on carbon frames
Oversimplifying, a Lot, I suppose you could conclude that. "

05-04-16, 12:00 PM

fietsbob replied to the thread alloy frame design.
" now the technology of Pre shaping the frame parts thru Hydroforming before the welding takes place

results in the frame being shaped to suit the stresses ..

Gary Klein and C Dale went to court over the innovation of stiffer by being bigger diameter thin wall aluminum, Design Ownership. "

05-04-16, 11:21 AM

fietsbob replied to the thread Did you ever get dropped by Fred?.
" Fred and I biked between Pubs on Sunday. "

05-04-16, 11:13 AM

fietsbob replied to the thread Tips to get employed..
" Needing Money for repairing the house ?, The skills you would gather working for the people doing the work on the house will Pay Better.

Many more people do home improvements and home owners spend more .. than those Buying & repairing Bikes

Florida will always have storm damage repairs... "

05-04-16, 10:20 AM

fietsbob replied to the thread The jig is up.
" I forget.. it was 40 years ago.. I Think the blades were bent in the carton. or I just asked another builder in town to do it for me .
then I went back & put the cantilever bosses on it.

(only un conventional thing was Canti Bosses were put on the front of the seat stay, & a 60 top... "

05-04-16, 10:06 AM

fietsbob replied to the thread Weight Distribution.
" The other factor is top tube reach* front wheel feels lighter if its moved ahead of the riders C Of G..

off the shelf frame proportions usually figure that in for standard sizes.


*Plumb line through the BB is the dividing line .. 'reach' Ahead, 'set back' Behind. "

05-04-16, 09:56 AM

fietsbob replied to the thread How much time to give adjustments?.
" Chiropractor's 'Adjustments'? "

05-04-16, 09:50 AM

fietsbob replied to the thread The jig is up.
" Not to quash the above jig sales opportunity ..

Years ago I spent time with a well repected British Frame Builder .. No Jig . sharp files and a bench vise was most of the Shop,

Other than the brazing torch.. in the basement of an Elizabethan house.

in '75 I built a frame,(years... "

05-04-16, 09:38 AM

fietsbob replied to the thread Newb.
" You need a Bike to go Bike touring, But you dont have to have a "touring Bike" to go On a tour.
' Touring ' is the activity. "

05-04-16, 09:27 AM

fietsbob replied to the thread Commuting with a box full face helmet?.
" When you get there the chin bar locks in the U Lock, too. "

05-04-16, 09:20 AM

fietsbob replied to the thread Convenient Car Bike Racks.
" NB: Saris Bones racks https://www.saris.com/ are excellent. "

05-04-16, 09:16 AM

fietsbob replied to the thread cheap vs expensive road bikes.
" The bike frame and each part have a cost. The total cost of a bike is the sum of the cost of the parts. (at factory wholesale)

+ the business margins to get it ready to ride in a Bike shop.

Still the motor is You. fast=work. "

05-04-16, 09:06 AM

fietsbob replied to the thread Pro Moly vs Cro Moly for bike frame tubes..
" 4130 steel is the recipe standard of the steel alloy, the other is a brand name , of the tube mill.


going to strip it and have it repainted? "

05-04-16, 09:00 AM

fietsbob replied to the thread Bike saddle - prostatitis.
" People came in asking for and bought a 2 cushion Noseless saddle *, because an article in the NY Times told them to.

* only has 'sit bones' contact points.. "

05-04-16, 08:55 AM