G26ei-do i need the veloscity stack ?
08-05-2008 | 12:13 AM
#2
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From: Riverton,
WY
RE: G26ei-do i need the veloscity stack ?
Absolutely, maybe.
V-stacks are part black magic. Some times it runs much better some time it runs worse.
It you plane shows fuel/oil dribbles on the carb side then most likely the answer is yes you need a v-stack.
V-stacks are part black magic. Some times it runs much better some time it runs worse.
It you plane shows fuel/oil dribbles on the carb side then most likely the answer is yes you need a v-stack.
08-05-2008 | 09:40 PM
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From: Springtown,
TX
RE: G26ei-do i need the veloscity stack ?
The prop blast moving over the carb opening can create a vacuum effect (venturi). Using a velocity stack will decrease this effect. Seeing fuel dribbling out of the carb is a sign that raw fuel is being siphoned out of the carb by the venturi effect. The effect of this is obvious.
However, sometimes this doesn't happen. I have one 26 cc gasser with a V-stack, and my G23 runs perfect without one.
BTW, you will usuall get the best effect from the V-stack with the opening angled back, away from the prop (at least to some degree, if your v-stack has an angled opening).
However, sometimes this doesn't happen. I have one 26 cc gasser with a V-stack, and my G23 runs perfect without one.
BTW, you will usuall get the best effect from the V-stack with the opening angled back, away from the prop (at least to some degree, if your v-stack has an angled opening).
08-06-2008 | 05:22 AM
#5
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RE: G26ei-do i need the veloscity stack ?
My Vstack is perfactly circular , in addition , my application is in a Fw190 cowl , the prop blast would be buffered by the front of the cowl rim , possibly totally buffered based on the blast going both internally thru the cowl and outside the cowl past the carb.
Assuming it was designed by greater minds , I guess my best bet is to cut an opening for it , use it and see how the engine performs .
Assuming it was designed by greater minds , I guess my best bet is to cut an opening for it , use it and see how the engine performs .
08-06-2008 | 02:40 PM
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From: Snohomish, WA
RE: G26ei-do i need the veloscity stack ?
Why not use it without cutting the cowl first and see if it works. No sense cutting the cowl unless it is really needed. I've got a G26 mounting in a Pacific Aeromodels Monocoupe with no velocity stack and the engine runs fine. The carb is totally within the cowl.
08-06-2008 | 10:01 PM
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From: Alexander City,
AL
RE: G26ei-do i need the veloscity stack ?
ORIGINAL: GBR2
Why not use it without cutting the cowl first and see if it works. No sense cutting the cowl unless it is really needed. I've got a G26 mounting in a Pacific Aeromodels Monocoupe with no velocity stack and the engine runs fine. The carb is totally within the cowl.
Why not use it without cutting the cowl first and see if it works. No sense cutting the cowl unless it is really needed. I've got a G26 mounting in a Pacific Aeromodels Monocoupe with no velocity stack and the engine runs fine. The carb is totally within the cowl.
08-07-2008 | 04:38 AM
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RE: G26ei-do i need the veloscity stack ?
Good suggestions I guess being new to gas I was concerned about not haveing a good eye for "how it runs" , expert at glow both two and 4 stroke , gas was always a mystery to me and I am taking a jump with the G26ei .
I am hopeing to have an easy transition so I can keep going with gas engines
I am hopeing to have an easy transition so I can keep going with gas engines
