I've copied this across from my build thread. to try and keep as much info as possible in one thread.
I thought I would throw up some notes I made on the frames when I started with this project for anyone that may be interested,
I've pulled this together from looking a what little photos there seems to be of Tushinghams, as more info. comes to light I'll add it in somewhere.
All is from photos of surviving examples, I've not seen a restored Tushingham (other than mine)...are there any others?
General information.
All Tushingham were Fluorescent Orange (Standard colour RAL 2005) over Pearlised White (Muddyfox colour), according to the sales sheet they were Diamond White, however all the frames I have seen are Pearlised White.
Headtube, downtube, BB lugging and approx. 1/3rd of the seat tube/chainstay are Fluro Orange, paint fade demarcation varies between individual frames.
Early models all appear to be badged as ‘Tushingham’, although those more knowledgeable than I state it was always going to be called a B.52...more later on this...later models are badged as ‘Tushingham B-52'...there are also late frame models badged as Tushigham only!
The original B.52 sales brochure from Rodger Tushingham via Sinnerman showing a complete lugged frame does not show the B.52 decal.
The brochure also states ‘Fully lugged frame’ of which some later versions are clearly not fully lugged.
There are two styles of ‘Tushingham’ decal, an outline type in blue seen on early models which do not carry the B.52 script, and a blocked in full colour type, blue centre with orange border, seen on later model frames which also have the B.52 script which is solid blue in a different font.
Head tube and seat tube badges are identical across models.
Tubing decals vary depending on the tubing used in construction..my lighter tubing frame is heavier than the cheap tubing frame! (Same frame size).
To try and make sense of the Tushingham frame timeline, I’ve decided to simply identify them as Early and Late frames, anyone with a more scientific method please chime in!
Early Tushingham
Early – Fully Lugged construction using Tange Cr-Mo MTB PG (Plain gauge) Tubing, there are also some using Tange Cr-Mo Triple Butted MTB tubing. I have seen photos of an original survivor, lugged construction, U-brake etc with the blue/yellow Tange Triple butted decal.
Chain stay mounted U-Brake.
Single water bottle boss mounts on the lower section of the down tube.
Seat stays brazed to the lateral aspect of the Seat tube lug.
Triple cable run boss to the downtube.
Upper and lower mud guard attachment boss.
Cast (Muddyfox/Araya type) stem with roller, also seen with the tubular welded stem.
Later Tushigham.
Late - Some fully lugged, others not.
Tange blue/black & yellow tubing decal - Tange Cr-Mo MTB Triple butted tubing.
Seat stays entering into the lug below the centreline of the Toptube.
Seat stay mounted U-brake/Cantilevers.
Narrow welded tubular stem with cable roller.
Double water bottle boss on down tube.
Single cable run boss to top tube.
Double cable boss to downtube.
No upper mudguard attachment boss, others with mudguard bosses.
Later frame with Seatstays brazed into the Seat lug.
The ‘Odd’ ones…
The one Orange have which is claimed to be a B52 prototype at their factory has some features that did not make it onto the later frames, the seatstays finish higher on the lug than production frames, the seatstays have cross bracing (seen on the Works replica frames), it does not carry the B52 script.
Question is if this is a prototype, then it must be a prototype development from the earlier frames to a more modern approach (Seat stay mounted brake) and not a prototype of the original first Tushingham frames which had Chainstay mounted brakes.
Orange prototype with the high brazed seatstays, rear cross bracing, odd fork and no B.52 decal.
I have seen at least one example (magazine advertisement photo) badged as a Tushingham B-52 with the early lateral seat stays, a lugged seat/top tube and Head tube lug only with the a single cable run on the Top tube. Narrow welded stem with roller. This also carries the yellow/blue Tange decal. Perhaps a transition frame between fully lugged and non-lugged filet brazed?
A note on tubing decals...
Blue/purple & blue/yellow Tange PG/Triple butted tubing decals do not appear in the 1988 Tange tubing/Frame brochure.
My Tushingham decals were not lacquered over, the Tubing decal was above the lacquer.
My Tushingham B.52 decals were lacquered over, the tubing decal was again not lacquered over.
Stems appear to have changed from the early cast Muddyfox/Araya type with roller, to a welded tubular type with roller during production run.
Research - in the process of restoring my Early Tushigham I wrote to Roger Tushingham to ask a few questions, sadly there was no reply from him.
I wrote to Dave Yates concerning the Works Replica's he was to custom build - he has no records that far back, nor does he recall how many he may have built.
hope this is of some use.
Andy