Hi Jos
"any single component failure"
**Air leaking at valve #1 could be same as air into a Gasculator or filter
and shut you down
**Having Series with bypass, a single air leak at either of the
Gasculators or filter will shut you down, if you had parallel pumps with a
gasculator or filter on intake this is not the case
I like Series with bypass better than parallel pumps, the Europa series
with bypass like better than Rotax series with bypass because it uses a
second filter or in my case gasculator. True if you wanted to go crazy you
could add another 1 way between filters or gasculators and negate an air
leak at #2 Gasculator from interfering with #1 Gasculator, but not worth
the extra parts count.
I did read "any single component failure" and figured this is not an FAA
test where you must choose a letter for an absolute answer, but wanted to
make sure anyone using or considering series with bypass understands its
operation, not just "B" is the correct answer to question #2.
Sincerely
Ron Parigoris
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