Temerity in this case is defined as debating carb stuff with a carb expert. But it's winter in Ottawa and much too cold and grotty to ride, so here goes:
I do know of one, but it's in my head, and nobody in thier right mind wants to look in there
Here's some particulars that are incorrect. There may be more, but these jumped right out.
1) the pilot air correction jet on the CVK isn't under the diaphram; it's at the back of the venturii next to the main air correction jet;
Yep, quite so, on our carbs, the pilot air jet (16) is located next to the main air jet (19).
2) in the description of the pilot circuit, there's something about flow reversal - completely incorrect. He has a complete misunderstanding of the idle transfer holes. The pilot air screw sets the fuel flow at idle. The pilot jet feeds that circuit and the idle transfer holes. the idle transfer holes are staggered and discharge sequentially as the throttle is slightly opened;this provides fuel that's needed between idle and when the fuel is discharging from the main well.
Here's what I understand from the diagram. When the butterfly is closed, the bottom of the butterfly rests between the idle mixture hole (13) and the transition mixture holes (14). Fuel flows through the pilot jet (11) and mixes with air from the pilot air jet (16 at its correct location) and air from the transition mixture holes (14). When the butterfly opens enough that the bottom is between the transition mixture holes (14), fuel will also flow out the downstream transition mixture hole while air will continue to flow in the upstream transition mixture hole. When the butterfly opens more, such that the bottom is upstream of both transition mixture holes, fuel flows out both of them.
The reversal he's talking about is that sometimes air flows in while other times fuel flows out of the mixture transtion holes, depending on the position of the butterfly.
Here's a reference
http://www.modelgasboats.com/Carburetor_Maintenance/ see "At idle"
3) the description of slide function is completely incorrect. it states something about manifold vacuum raising the slide. Incorrect. The slide is raised by the air speed in the venturri area under the slide. CV means constant velocity, and the idea is that the slide opens at a rate to feed ever increasing air volume at the same velocity to provide an optimised low pressure signal thereby providing consistent metering of fuel from the needle jet.
HTH, Steve
Here's what I get from the diagram. When the butterfly (1) is significantly open (e.g. 1/3), flow increases under the slide (2). Pressure drops due to the Bernoulli effect.
Reference:
http://www.physicsforums.com/showthread.php?t=59877 see "carburetor"
Air gets sucked out of the vacuum chamber (3) through the slide vacuum passage (6) until the pressure in the vacuum chamber is the same as under the slide, lower than atmospheric.
The pressure in the the atmospheric chamber (18) is (surprisingly) atsmospheric, because air can get in through the airbox vent (15). The pressure below the membrane (5) is higher than the pressure above, so the slide rises to a new position determined by the spring.
Another reference for this blather:
http://www.drpiston.com/Cvcarbs.html see "CV (Costant Velocity) CARBS"
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In my opinion, this diagram covers the concepts and functionality of a CV carb. It names the bits and provides reference numbers on the graphic. Some bits may be in different places on specific CV carbs, like our CVK, and the wording in the explanation may be a bit fuzzy. Moreover, when the fellow prepared it, he forgot (5) Membrane - I added it in, you can see the different font.
It has helped me and maybe it will help others. If not, feel free to ignore it.
Edit: removed cursed commas from links