Drouin Supercharger for sale

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I Google translated the text for me - then thought others may be interested.

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Very rare part: complete supercharger for Norton Commando. If you want to know how an blown Commando drives, you should access it here. This is the last and best version with two straps (both included). The Norton primary cover can stay, just has to be modified. The carburetor is integrated in the housing, similar to the Gardner racing carburetor. A float chamber from the Manx or similar is needed for road operation. Pressure display and nameplate is also included. Selling privately without guarantee, redemption etc
 
robs ss said:
I Google translated the text for me - then thought others may be interested.

Description

Very rare part: complete supercharger for Norton Commando. If you want to know how an blown Commando drives, you should access it here. This is the last and best version with two straps (both included). The Norton primary cover can stay, just has to be modified. The carburetor is integrated in the housing, similar to the Gardner racing carburetor. A float chamber from the Manx or similar is needed for road operation. Pressure display and nameplate is also included. Selling privately without guarantee, redemption etc
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I thought the twin belt was the early type?
 
baz said:
No the drouin is centrifugal type
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Ahh - thanks! If it was Roots I would have been worried about the condition of the lobes (looking at the outside condition!).
If it's centrifugal there should be no worries.

...not that I'm remotely considering it.
 
robs ss said:
Ahh - thanks! If it was Roots I would have been worried about the condition of the lobes (looking at the outside condition!).
If it's centrifugal there should be no worries.

...not that I'm remotely considering it.
Click to expand...
Famously when your brand new drouin arrived on your doorstep you had to take the rotor and have it balanced I believe!!
 
This is what I know as the last version of a noton commando drouin. There are 3-1/2 of these systems between my two friend and I not counting Bruce's shown below.
They originally cost almost 1/2 the price of a commando bike.

Drouin Supercharger for sale
 
They reckon bikes become classics when people start asking: 'wossitwurf?' instead of: 'wot'llitdo?' But this HAS to be the exception :)
 
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