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smokey_bear_40220(at)yaho
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 Posted: Sun May 20, 2007 6:23 pm Post subject: RPM check - was Brakes little to none |
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Lynn,
Before you chase gremlins, make sure to check your RPM
with an optic tac. You want to know for sure your rpm
is right before changing the prop or other big
changes.
We all get the chance to fix little problems with lots
of time and money. I practically rebuilt an old VW
before finally tracing the problem to a $1.69 ignition
capacitor I could have checked first.
If your tac is reading right, change the prop a bit.
If your are reading low, you might save an over rev by
not changing it. If you are reading high, you could
get more climb by making a bigger prop change.
Point being, tacs are often wrong, so there is value
in checking it.
Kurt S.
S-5/NSI turbo
Florida
--- Lynn Matteson <lynnmatt(at)jps.net> wrote:
| Quote: | Seriously, I have always felt that the dealer (or
Sensenich) might
have over-propped the engine. In cruise, it seems to
be about 2-300
rpm short of redline (3300 rpm), and I don't know
whether this is a good thing or not.......
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/275+ hrs
do not archive
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http://farechase.yahoo.com/
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Lynn Matteson
Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan
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| Posted: Sun May 20, 2007 6:55 pm Post subject: RPM check - was Brakes little to none |
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Thanks for the reminder, Kurt. I did check the EIS (tach function)
reading initially with an optical tach, but maybe it's time to recheck.
You're right....I'd rather have a steep prop save me from over-
revving, than a shallow prop that would climb good but have me always
keeping a watchful eye on the tach....or the dreaded flashing red light.
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/293+ hrs
On May 20, 2007, at 10:22 PM, kurt schrader wrote:
| Quote: |
<smokey_bear_40220(at)yahoo.com>
Lynn,
Before you chase gremlins, make sure to check your RPM
with an optic tac. You want to know for sure your rpm
is right before changing the prop or other big
changes.
We all get the chance to fix little problems with lots
of time and money. I practically rebuilt an old VW
before finally tracing the problem to a $1.69 ignition
capacitor I could have checked first.
If your tac is reading right, change the prop a bit.
If your are reading low, you might save an over rev by
not changing it. If you are reading high, you could
get more climb by making a bigger prop change.
Point being, tacs are often wrong, so there is value
in checking it.
Kurt S.
S-5/NSI turbo
Florida
--- Lynn Matteson <lynnmatt(at)jps.net> wrote:
> Seriously, I have always felt that the dealer (or
> Sensenich) might
> have over-propped the engine. In cruise, it seems to
> be about 2-300
> rpm short of redline (3300 rpm), and I don't know
> whether this is a good thing or not.......
|
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
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_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM |
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