[TR] Stromberg Air valves

[Roger Elliott]

Well, the general consensus seems to be that my theory is all wet.

Not sure what I will try next, but I will let everyone know.

Roger
On 03/23/2014 09:37 AM, Jeff wrote:
> On 3/22/2014 4:59 PM, Roger Elliott wrote:
>> When I originally put them in, one of them caused a big change in the
>> air flow. One had about 1/2 the air flow through the carb as the other
>> or the original two - so I took them back out.
>>
>> I have weighed them and discovered they are different weights -one is
>> about 119 grams the other 122 grams .  I would guess that explains the
>> difference in the air flow.  I am going to reduce the weight of the
>> heavier one.
>>
>> My scale only measures in grams, is that close enough precision?
>
> If I read this correctly, a 2.5% difference in weight causes a 50% 
> change in air flow.
>
> If that's the case, I don't see how a 1-gram resolution will be 
> enough.  I've heard of odd reactions when changing valves, but I can't 
> imagine such a small change in mass would make that large a difference.
>
> Jeff Scarbrough
> Corrosion Acres, Ga.