PE Etha manifold/etha
FROM JACK WOOD:
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I've looked and looked to see if I can find any information on this.
I'm wondering if anyone can tell me how air flows through the manifold/solenoid from the regulator, then back through the manifold to the bolt so that the marker can fire.
The three holes shown on the front face here (I know the larger 2 are screw holes)
I figure one is IN, one is OUT, one is possibly exhaust?
Also, is the #010 o-ring the both the input from the reg (assuming) and output the front portion of the bolt, while the #007 o-ring the input to the rear of the bolt that controls when the marker fires?
Thanks for any information you can give me.
I haven't handled one yet, but I am assuming that the three small ports are a direct from regulator to the oblong o-ring on the top - this feeds the supply to the dump chamber. The other two are a feed to the solenoid - also from the reg, and the solenoid connection to the rear port which cycles the firing piston.
Page 19 in the manual has sort of a flow diagram. Reg goes to the front port on the top (oblong) which feeds both the firing chamber and the solenoid. One of the three on the front is for that connection, and another for the firing piston. Not sure what the third is for.
I'm trying to figure out which small hole is for what one, I'm assuming the 3rd is for an exhaust/some sort of vent.
Hard to do this since I don't have an etha
this is the reason why I want to figure this out;
that's assuming middle one is exhaust, but this is why I want to know.
I don't own one. However, since the 3 holes are all in a line and this appears to be machined, not cast; the following stands to reason.
The top hole should run to the oblong #010 hole.
The Second hole down should run to the #007 hole.
The bottom hole should be a vent/ exhaust.
Otherwise the passages would cut into each other when drilled.
the manifolds are pretty cheap, might just pick one up to see what goes where.
Related, anyone know of a 3 way that can handle ~300 psi?
The SMAV only does 100, but etha's operate at 200-300 psi so that's a problem.
cocker 3-way could work, but would need a 2 way to activate it, where as the SMAV has that built in.
The SMAV can handle 200-300 PSI. I have one in a Ion running at thet pressure. It is a great valve with a short crisp action.
You could also use a AC 3 way. I would recomend using a palmer quick switch. You can modify it into a push button 3 way. Take linkage adapter that connects the 3 way to the threaded L trigger rod and cut it in half. You will only need the part that goes on the 3 way. Use that to hold a ball point pen spring arround the rod. This will make the 3 way spring loaded forward.
If i had to bet on how that manifold is ported it would be like this.
I should have my hands on an etha soon, not sure where my SMAV is, may have to buy another one.
Updated 1st post w/info for posterity
I don't know why it never occured to me to make the etha mechanical. Now I'm going to have to get one to play with.
I really need to stop coming to the "custom projects" section, it cost me too much money.
this one should be pretty simple though.
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