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Topics - robin smith

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The Star and Garter / Rocket Gold Star inner primary chain case
« on: 01 October, 2017, 17:59:08 »
A month has passed since posting a question in the “twins” section of the BSA workshop:

What type of inner primary chain case was fitted to a Rocket Gold Star?   

Amazingly just two fellow members have offered up plausible but not definitive answers, despite well over 200 views!

With the asking price of an RGS now often exceeding £20,000, it would be good to know precisely what a prospective buyer should look out for, which is not easily faked.

2
The Star and Garter / “Daylight MOT”
« on: 06 September, 2017, 16:20:39 »

Having just received my September copy of the Star. I read with interest the article by Richard Stephens regarding his 1960 Spitfire restoration.
He states, despite it going to have a “Daylight MOT” a stoplight  is required by law!

Some time ago I took a bike with no lights “but with a stoplight fitted” for its annual MOT. To be told no lights meant just that! Requiring me to remove the stop lamp for it to pass!

He also states, apparently a “bulb horn” is no longer legally acceptable ?

Do we have any legal eagles out there, to clarify this potential confusion?  Who knows in the event of an insurance claim these details could be relevant!   


3
Twins / “Daylight MOT”
« on: 06 September, 2017, 16:17:48 »
Having just received my September copy of the Star. I read with interest the article by Richard Stephens regarding his 1960 Spitfire restoration.
He states, despite it going to have a “Daylight MOT” a stoplight  is required by law!

Some time ago I took a bike with no lights “but with a stoplight fitted” for its annual MOT. To be told no lights meant just that! Requiring me to remove the stop lamp for it to pass!

He also states, apparently a “bulb horn” is no longer legally acceptable ?

Do we have any legal eagles out there, to clarify this potential confusion?  Who knows in the event of an insurance claim these details could be relevant!   

4
Twins / Super Rocket ignition timing
« on: 05 September, 2017, 09:05:38 »
I was recently in discussion with a well-known magneto restorer on the subject of Super Rocket ignition timing. He suggest 3/8 or even 7/16 BTDC would be possibly more appropriate with modern fuel, as apposed to the 5/16normally applied by myself.

I would be interested to know your views regarding this subject  

5
Twins / Rich running Super Rocket
« on: 17 August, 2017, 10:09:02 »
I have an Amal 389 fitted to my Super Rocket, set up as per book! However, despite removing the air cleaner and dropping the needle to the first groove, the engine is still running rich!
I would be most grateful if anyone has the cure, before I pull out what’s left of my hair! 

6
Twins / RGS inner primary chain case
« on: 04 August, 2017, 16:51:34 »
As far as I am aware, despite the many RGS options offered by the factory, a fully enclosed final drive chain case was not one of them!

Therefore, why would the short inner primary chain case 42-7515 with the drilled boss to accommodate such a case be fitted, as seen on some RGS labelled machines, apposed to the longer type with the un-drilled boss 42-7505? 

7
Twins / Fitting of M20/21 girder forks to a late A10 frame
« on: 02 August, 2017, 16:45:48 »
Is possible to fit M20 girder forks to a late A10 frame? If the answer is yes!

Does anyone have any experience of carrying out this unlikely mating. If so, what if any, modifications are required to either.

Why would anyone in their right mind want to this? “Don‘t ask”   

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