Halcyon H75P + Halo (weird?) cranking effort

[buddhasummer]

@Geo7

 

[buddhasummer]

I’m at 50/50, I have two. One I purchased from you and they other from Rob S.

Guess which one passes the test?

What's the cracking effort set to on both? As I always set to 1.1"-1.2" I now am wondering if I set to 1" if that would make any difference, can't imagine it but now I'm curious.

This non compliance of free flow has been mentioned often from others with G250Vs and Halos.

I want to know what's going on.

I'm going to build another and find out.

 

[Open Ocean Diver]

not mine.

I’m going to try and replace parts one by one to figure out what’s causing the difference. Stay tuned.

 

[buddhasummer]

Hmmm now I'm wondering if early ones I built did free flow and the free flow stopped after I switched to using .218 springs. My memory is shocking. But again, I find that hard to believe that would be the case.

 

[Open Ocean Diver]

What's the cracking effort set to on both? As I always set to 1.1"-1.2" I now am wondering if I set to 1" if that would make any difference, can't imagine it but now I'm curious.

This non compliance of free flow has been mentioned often from others with G250Vs and Halos.

I want to know what's going on.

I'm going to build another and find out.

I’ll put it back together tonight and let you know.

 

[buddhasummer]

I don't think there was any rolling change to flow vane but just to be sure can you confirm flow vane is the same in both models. Position of cut out interests me.

 

[buddhasummer]

I think this could be the answer. It's by design (?).

From a G250HP manual.

With the G250V flow vane, crescent faces mouthpiece.

A possible explanation

 

[buddhasummer]

For a G250HP set with crescent facing mouthpiece was an optional setting specifically for rental regs to prevent free flows.

 

[buddhasummer]

Seems logical the same could be true for a G250V unfortunately this is not something I can currently experiment with.

@Open Ocean Diver

 

[Open Ocean Diver]

For a G250HP set with crescent facing mouthpiece was an optional setting specifically for rental regs to prevent free flows.

I think I did this a couple years ago. But I’ll set it up again and try. I know it made a difference on the flow bench.