The BSA A7-A10 Forum

Bikes, Pictures, Stories & more => Other BSAs, Other Bikes, Cars, Machinery & Tools => Topic started by: Greybeard on 12.12. 2019 18:41

Title: An interesting Triumph
Post by: Greybeard on 12.12. 2019 18:41

Cute?

Title: Re: An interesting Triumph
Post by: berger on 12.12. 2019 18:45

cute? never it looks like that modern art stuff or part of a bridge *bash*

Title: Re: An interesting Triumph
Post by: Butch (cb) on 13.12. 2019 11:18

No, not cute. Very functional. I like but I'm not sure why.

Reckon you can get the head off in situ?

Title: Re: An interesting Triumph
Post by: beezermacc on 13.12. 2019 11:39

Somebody opened their Christmas present early.... and it was a metal folder! The front downtube reminds me of Greeves Challenger MX. I like the outboard drive sprocket on the swinging arm spindle which prevents the chain tightening as the suspension rises. Not so keen on the rear mudguard arrangement. Wondering why the footrests are mounted so far back. Very interesting bike that looks like it was designed before it was built which is not the case with a lot of specials.

Title: Re: An interesting Triumph
Post by: Greybeard on 13.12. 2019 17:15

Presumably a very rigid frame?

Title: Re: An interesting Triumph
Post by: duTch on 13.12. 2019 22:50

 Looks a bit like a stripped-back version of Mephisto;

 https://en.m.wikipedia.org/wiki/Mephisto_(tank) (https://en.m.wikipedia.org/wiki/Mephisto_(tank))

 Or am answer to Moto Guzzi's El.Mulo;
https://motos-of-war.ru/en/motorcycles/moto-guzzi-mulo-meccanico/ (https://motos-of-war.ru/en/motorcycles/moto-guzzi-mulo-meccanico/)

 

Quote

........ I like the outboard drive sprocket on the swinging arm spindle which prevents the chain tightening as the suspension rises......

 I spotted that too, something I planned to do on something I never finished (or actually started)

 

Title: Re: An interesting Triumph
Post by: Joolstacho on 14.12. 2019 00:52

Waste of a nice engine?

Title: Re: An interesting Triumph
Post by: Triton Thrasher on 14.12. 2019 10:16

That chain idler shaft gimmick appeared in Motorcycle News in the 1970s.

2nd hand internet sources say it noticeably robbed power.  The front chain must be working a bit hard too.

Title: Re: An interesting Triumph
Post by: Greybeard on 14.12. 2019 10:38

Quote from: duTch on 13.12. 2019 22:50

 Looks a bit like a stripped-back version of Mephisto;

 https://en.m.wikipedia.org/wiki/Mephisto_(tank) (https://en.m.wikipedia.org/wiki/Mephisto_(tank))

 Or am answer to Moto Guzzi's El.Mulo;
https://motos-of-war.ru/en/motorcycles/moto-guzzi-mulo-meccanico/ (https://motos-of-war.ru/en/motorcycles/moto-guzzi-mulo-meccanico/)

I found those links very interesting, thanks.

Title: Re: An interesting Triumph
Post by: jachenbach on 15.12. 2019 00:48

Looks like detachable lower frame tubes (as on Moto Guzzi) to facilitate easy engine removal.