<VV> [fastvair] Carburetor Mystery

[Hugo Miller]

No, because they don't have millions of passages and jets all over the 
place that you can't unscrew, all just asking to get blocked or 
obstructed! Only one jet in the entire carb, and that is kept clear 
because it has a big needle poking up & down through it all the time. 
Engineering elegance! Most carbs have all these complicated add-ons to 
compensate for this or for that. Because of the SU's design, there is 
nothing to compensate for in the first place!

On 2020-03-21 00:16, FrankDuVal via VirtualVairs wrote:
> Because they never get dirty?????
>
> That can't be true..... Ha!
>
> Frank DuVal
>
> On 3/19/2020 6:54 PM, Hugo Miller via VirtualVairs wrote:
>> Now you know why I like SU carbs so much ;)
>>
>> On 2020-03-19 22:41, Bryan Blackwell via VirtualVairs wrote:
>>> Hi Brian,
>>>
>>> I'm going to go with the 'something is dirty' answer.  I had a 
>>> number
>>> of mystery issues and finally sorted out how to clean the idle 
>>> circuit
>>> and that cleared up a lot of them.  My trick is to have the mixture
>>> needle installed but backed out an extra turn or two, then spray
>>> cleaner into the cluster hole above the idle siphon tube, and from 
>>> the
>>> other end back up the discharge port.  Solved a lot of issues for 
>>> me.
>>> Good luck!
>>>
>>> --Bryan
>>>
>>>> On Mar 19, 2020, at 11:14 AM, 'Brian' bmoneill at juno.com [fastvair] 
>>>> <fastvair at yahoogroups.com> wrote:
>>>>
>>>> What a mystery !  Why did these carburetors suddenly not work?  
>>>> Why when all the passages a clear and I can get water to spray on my 
>>>> hand as if the carburetors were on the engine why do they not work 
>>>> when installed  on the engine? Absolutely nothing was changed on the 
>>>> engine between the runs made with stock carburetors and the attempts 
>>>> to use the modified carburetors.
>>>> To say I am baffled is an understatement.  Does anyone have any 
>>>> ideas?
>>>
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