Second - do you anneal the aluminum before you work it? I'll understand if the answers are trade secrets.įirst off, how do you achieve those perfectly square bends on those vertical axle tabs, with no apparent inner bend radius? So I hope you don't mind if I pose some questions. Well as luck would have it, today I finally found a supplier and obtained a small quantity of 1.5mm and 4.0mm Al sheet. Al is a material I've been wanting to try as a chassis material for a long time, but I haven't been able to find a suitable source of Al. You are the only builder I'm aware of that regularly uses aluminum to build your chassis. I'll be following this project and expect to learn more with each post. The one exception is the front hub, which was painted an Eggshell Black.Fantastic David. And the oil tank and battery box were Gloss Black, along with all the other painted parts on the bike. The front fork covers/headlight nacelle were solid Charcoal Gray. The mudguards (fenders) were also Charcoal Gray with a Black center strip, lined in White. The tank badge had white lettering on a black background. The standard paint colors for the 1959 Triumph Thunderbird were as follows: The petrol (fuel) tank was Charcoal Gray. The last Triumph 650 with a Whip Iron frame was a 1959 Triumph Thunderbird, Engine & Frame #029362. This was the alt year for the single downtube frame (aptly nicknamed “Whip Iron” for it’s tendency to flex so much as to be dangerous.
US models now came with a safety strap on the seat. The front brake cam lever was modified to improve its braking abilities, and those thus-modified were marked with an “X” on the lever. An oil level indicator was added to the inner gearbox cover. From engine #024029, the clutch sprocket was also induction-hardened.
A Lucas RM15 alternator was installed to increase output over the RM14 unit it replaced.įrom engine #023941, the gearshift camplate was induction-hardened to reduce wear. The vacuum SU carburetor was replaced with an Amal Monobloc Type 376/210. The prior 3-piece crankshaft was replaced by a stronger, lighter one-piece forged steel crank with a bolt-on central flywheel. Engine and Frame Numbers ran from 020581 to 029362, a span of 8,781 units, built from Octoto February 9, 1959, which was a production run of only 4 months exactly. If you have a ’59 T-Bird, please send us some pictures.įor the 1959 model year, all continued the model designation of “6T” and had an engine prefix of 6T as well. Sorry I couldn’t do better on a photo, but it was the only one I could find that I had the rights to use.
In fact, if it wasn’t all in one piece, it might be a basket case. ABOVE: This 1959 Triumph Thunderbird has more than a healthy amount of patina.
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