erichweaver(at)cox.net
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 Posted: Sat Apr 22, 2006 9:34 pm Post subject: AFP purge valve |
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Howdy
Thought I would share with the list the folowing question I e-mailed to Airflow Performance and their reply:
"I have one of your fuel injection units on my new IO-360 B1B engine and RV-7A aircraft. It would seem prudent to have a spring or other similar device on the purge valve control arm to insure that if the cable controlling the pure valve were to fail, the control arm would remain in the normal run position. Do you agree, and if so, do you offer a product for this purpose? If not, perhaps you have some suggestions for obtaining or fabricating such a device?"
Here is the replay that I received:
"We typically recommend that the system is installed with good quality cables with rod ends. This should eliminate any need for return springs. I always ask; "Did you put a return spring on the mixture control or throttle?" But of course the choice is yours. If you feel a return spring on the purge valve will give you piece of mind, by all means do it. I have seen some installations use a simple extension spring connected to the purge valve lever to a adel clamp on a push rod tube to pull the lever to the run position."
Don Rivera
Airflow Performance
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