Twinmax

They work as stated in the instructions
Always been OK with me plus normal airhead experience considerations

Ask Steptoe - I think that I sold him one a few years ago - I bought two from the US
He should have used it a few times and is the expert in this manor
 
Ask Steptoe - I think that I sold him one a few years ago - I bought two from the US
He should have used it a few times and is the expert in this manor

It must be your age bill :rob That was a mityvac, not a twinmax.

The Twinmax is shite to use, i had one for two weeks and then sold it. The person who bought it ( an experianced ukgser spanner juggler) also sold it on after just a couple of weeks.

They make a simple job very longwinded.
 
It must be your age bill :rob That was a mityvac, not a twinmax.

The Twinmax is shite to use, i had one for two weeks and then sold it. The person who bought it ( an experianced ukgser spanner juggler) also sold it on after just a couple of weeks.

They make a simple job very longwinded.

Yeah, I know what you mean.
I did find that it seemed to give a more stable reading when the bike had a had a service, ie had the valve clearances and rocker end float done:nenau
I still use mine but I really should get round to making a manometer:rolleyes:
 
We used a home made manometer to check the settings of a Twinmax at a tech day a few years ago. The Manometer was much easier to use.

I quite like my Morgan Carbtune now it's settled in and stopped sticking. Seems pretty accurate but I still double check using the home made manometer.

The Mityvacs are good for checking the calibration on vacuum gauges. Quite an eye opener :)
 
It must be your age bill :rob That was a mityvac, not a twinmax.

The Twinmax is shite to use, i had one for two weeks and then sold it. The person who bought it ( an experianced ukgser spanner juggler) also sold it on after just a couple of weeks.

They make a simple job very longwinded.

Oh that's right

I never really use anything, just do it by ear - but I am sure that the twin max works OK - but I have to read the instructions everytime I use it, (must be my age).

The only reason you Brits cannot use them is that the idea is French
 
It's just a differential pressure sensor. Been used in industry for donkeys years how could the French claim to have invented that?
 
The only reason you Brits cannot use them is that the idea is French

Its a slow, wet day, so...

A German invented the Manometer... The Frogs, the Altimeter, which is a high pressure manometer... I think ;)

I bought a Carbmate, but not used it yet. Still waiting for a set of carb tubes:(

John
 
I just used my twinmax about 10 minutes ago. I think they are great.
The problem may be that if your settings are miles out, it might take a bit fiddling (with the bike) to get it within range of the scale. Although, if its that bad at the minimum sensitivity setting, your bike is seriously out of tune.
 


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