Today's Message Index:
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1. 10:16 AM - Re: Fuel drain valve (Thom Riddle)
2. 10:22 AM - Re: Fuel drain valve (Thom Riddle)
3. 10:57 AM - Re: Fuel drain valve (Bernhard10)
Message 1
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| Subject: | Re: Fuel drain valve |
Bernhard,
I complained about this very thing to the USA importer about a year ago. Their
"solution" was to send me a 1/8 NPT threaded Curtis Quick Drain valve six months
after my complaint, for which they charged me a 100% premium over what I would
have had to pay here locally. They did this even after I told them that the
female fitting in the bottom of the fuel tank was NOT 1/8 NPT but some sort
of straight thread, not tapered pipe thread. The dealer I bought the airplane
from said he struggled with this for some time and could not figure out what
thread series it was but was certain that it was not metric.
So, I drained the tank and took some careful measurements of the obviously straight
threads, including pitch, and looked up all the possible thread series I
could find. As it turns out, the fitting in the bottom of the tank is 1/8 British
Straight Pipe Thread. So I bought an adapter (1/8 BSPT male to 1/8 NPT female)
from some source online (can't remember who). Once we installed the adapter
the Curtis Quick Drain valve fit perfectly.
Our Allegro 2000 is a 2003 year model and I have no idea if the factory has changed
these fittings to something else in the interim, so I can't guarantee that
this will solve your problem. The USA importer still insists that the fitting
in the tank of our airplane is 1/8 NPT, but it just isn't so.
I hope this helps. Please advise the list when you find your solution letting us
all know what that solution was and which year model Allegro it was on. We cannot
depend upon the USA importer or the factory to keep us informed or supply
us with this sort of required technical information.
Thom in Buffalo
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=121373#121373
Message 2
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| Subject: | Re: Fuel drain valve |
Bernhard,
I think I gave you the wrong acronym for the British STRAIGHT Pipe Thread. I told
you BSPT but I think it is BSPP. I think the T in BSPT is "Tapered". At any
rate, make sure you get the STRAIGHT pipe thread, whatever the acronym is for
it.
Thom in Buffalo
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=121374#121374
Message 3
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| Subject: | Re: Fuel drain valve |
My Allegro 2000 is a 2006 with 56 hours so far. I won't get to investigate the
thread issue for 2 weeks because I am on a business trip.
Thank you very much for your very helpful info and I will sure get back to the
list once I have found out the thread standard.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=121385#121385
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