Today's Message Index:
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1. 05:30 AM - Re: Oil Analysis (h&jeuropa)
2. 11:37 AM - Re: Oil Analysis (Robert Borger)
3. 02:21 PM - Re: (Bud Yerly)
4. 08:07 PM - Re: (Hal Carpenter)
Message 1
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Subject: | Re: Oil Analysis |
Jim,
We use Blackstone Labs for our Rotax 914. Happy with the service. Just send them
oil. Cut open and examine the filter ourselves.
Contact at http://www.blackstone-labs.com/
Jim & Heather
N241BW
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361667#361667
Message 2
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Subject: | Re: Oil Analysis |
Jim,
I use Aviation Labs in Houston:
Andera Clifton
Customer Support Representative
5401 Mitchelldale, Ste. B6
Houston, TX 77092
Ph. 800-256-6876
Fx. 713-864-6990
www.avlab.com
Alternate contacts:
Randle Scott - rscott@avlab.com
Garland Waldrop- gwaldrop@avlab.com
They can supply a kit with sample bottle & mailer (can include the oil filter if
you want to send the it in). Very extensive report is provided within a week.
I've been doing it with the filter every annual and just the oil at every
change. I know, it's over kill, but it keeps me happy.
Blue skies & tailwinds,
Bob Borger
Europa XS Tri, Rotax 914, Airmaster C/S Prop.
Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
3705 Lynchburg Dr.
Corinth, TX 76208-5331
Cel: 817-992-1117
rlborger@mac.com
On Dec 24, 2011, at 10:10 PM, jimpuglise@comcast.net wrote:
> I am getting close to my first oil change and am looking at getting on a regular
oil analysis schedule. Are others doing this? If so, are you having the
filter done too? Who do you like and what is the cost? This is all new to me
so I need some guidance. I am at 14 hours and it looks like I am going to be
able to get the temps on the Jabiru under control, so it just may work out.
>
> Best to all for Christmas and the New Year.
>
> Jim Puglise
> N283JL - flying off my 40 hours
>
>
>
>
Message 3
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Will,
Max prop diameter is still 64 inches recommended. This is based on the
prop clearance of course. In the tri gear clearances are based on
spring or bungee with the by the book cable stop dimensions per the
build manual. This leaves nominally 10-11 inches from the prop tip to
the ground (aircraft unloaded, nose tire inflated at 35 psi. and the CG
at 60 inches) in most of my aircraft. At full deflection of the gear at
full gross weight, this gives 7-8 inches of clearance. (Yours may be
different due to main gear installation.)
FAA requirements for minimum propeller clearance:
Sec. 25.925
Propeller clearance.
Unless smaller clearances are substantiated, propeller clearances with
the
airplane at maximum weight, with the most adverse center of gravity,
and with
the propeller in the most adverse pitch position, may not be less than
the
following:
(a) Ground clearance. There must be a clearance of at least seven
inches
(for each airplane with nose wheel landing gear) or nine inches (for
each
airplane with tail wheel landing gear) between each propeller and the
ground
with landing gear statically deflected and in the level takeoff, or
taxiing attitude,
whichever is most critical. In addition, there must be positive
clearance
between the propeller and the ground when in the level takeoff
attitude
with the critical [tire(s)] completely deflated and the corresponding
landing
gear strut bottomed.
Europa nominal clearances:
If installed by the book at 2 inches (full cable extension), crossed
properly so the cable cannot slip off, with a deflated nose gear tire,
there is at least 4 inches of clearance on my new builds putting a full
300 pounds on the front of the engine. That will keep you from mowing
the grass and or plowing a furrow with your 64 inch propeller if the
nose gear tire fails on a rough landing or rough strip.
12 AY flew with the gear leg bolted solid in an attempt to install a
longer prop. I don't recommend it. It's a bit harsh on a rough strip
so to prevent fatigue I installed the springs shortly thereafter and
shortened my cable stop to allow a total of 1 inch of movement until
contact and a bit more on full extension.
Longer answer on install and extended life operations notes:
On installation, Chapter 29T says to pull the gear leg up (without
springs or bungee) and swag the cable at two inches from the stop to the
leg. I clamp (using a bolt type cable clamp) the cable at that distance
with the gear leg pulled to check full tension on the cable. When
satisfied, I then swag the cable. This gives 8 inches clearance as
stated above.
In the field, because the spring or bungee is attached normally, I use
the one inch (two fingers) method to check if I need to re-swag the
cable because of poor installation or cable stretch. I find the cable
easy to pull down firmly from under the aircraft and check the distance.
To check the springs I place my full body weight (180 lbs.) at the hub
to deflect the springs the full amount for a quick check. When doing
maintenance on other aircraft I have found that the cable will stretch a
bit more than new which puts more strain on the springs. Occasionally I
have seen on trigears which have operated extensively on grass, and the
cable stop either was installed improperly or it had loosened and had
not worked as advertised (it slipped off the lower leg) and this caused
the springs to become weaker under severe grass strip operations.
(Thirty pounds at the hub caused the springs to deflect which is
unacceptable.) It is not fun to cut those springs off and replace them
because they no longer hold the nose gear firmly on the stop. So it was
a personal decision to go tighter than looser on the cable stop to
prevent this from happening.
Regards,
Bud Yerly
Europa Tech Support
813 244-8354
----- Original Message -----
From: William Daniell<mailto:wdaniell@etb.net.co>
To: europa-list@matronics.com<mailto:europa-list@matronics.com>
Sent: Tuesday, December 20, 2011 8:34 AM
Subject: Europa-List:
I am sure that this has been posted many time but to avoid having to
hunt through the archives - what is the max prop diameter for a Trigear?
Will
www.aeroelectric.com<http://www.aeroelectric.com/>
www.buildersbooks.com<http://www.buildersbooks.com/>
www.homebuilthelp.com<http://www.homebuilthelp.com/>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
http://www.matronics.com/Navigator?Europa-List<http://www.matronics.com/N
avigator?Europa-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 4
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Subject: | Re: Europa-List: |
On Mon, Dec 26, 2011 at 4:18 PM, Bud Yerly <budyerly@msn.com> wrote:
>
> Will,
> Max prop diameter is still 64 inches recommended. This is based on the prop
> clearance of course. In the tri gearclearances are based onspring or
> bungee with the by the book cable stop dimensions per the build
> manual.This leaves nominally10-11 inches from the prop tip to the ground
> (aircraft unloaded, nose tire inflated at 35 psi. and the CGat 60
> inches)in most of my aircraft. At full deflectionof the gear at full
> gross weight, thisgives 7-8 inches of clearance. (Yours may be different
> due to main gear installation.)
>
> FAA requirements for minimum propeller clearance:
>
> Sec. 25.925
>
> Propeller clearance.
>
> Unless smaller clearances are substantiated, propeller clearances with the
> airplane at maximum weight, with the most adverse center of gravity, and
> with
> the propeller in the most adverse pitch position, may not be less than the
> following:
> (a) Ground clearance. There must be a clearance of at least seven inches
> (for each airplane with nose wheel landing gear) or nine inches (for each
> airplane with tail wheel landing gear) between each propeller and the ground
> with landing gear statically deflected and in the level takeoff, or taxiing
> attitude,
> whichever is most critical. In addition, there must be positive clearance
> between the propeller and the ground when in the level takeoff attitude
> with the critical [tire(s)] completely deflated and the corresponding
> landing
> gear strut bottomed.
>
> Europa nominal clearances:
> If installed by the book at 2 inches(full cableextension), crossed
> properly sothe cablecannot slip off, with adeflated nose gear tire, there
> is at least 4 inches of clearance on my new builds putting a full 300 pounds
> on the front of the engine. That will keep you from mowing the grass and or
> plowing a furrow with your 64 inch propellerif the nose gear tire fails on
> a rough landing or rough strip.
>
> 12 AY flew with the gear leg bolted solid in an attempt to install a longer
> prop.I don't recommend it. It's a bitharsh on a rough strip so to
> prevent fatigue I installed the springs shortly thereafter and shortened my
> cable stop to allow a total of 1 inchof movement until contact and a bit
> more on full extension.
>
> Longer answer on install and extended life operations notes:
>
> On installation, Chapter 29T says to pull the gearleg up(without springs
> or bungee) and swag the cable at two inches from the stop to the leg. I
> clamp (using a bolt type cable clamp)the cable at thatdistance with the
> gear legpulled to check full tension on the cable. When satisfied,
> Ithenswag the cable. This gives 8 inches clearance as stated above.
>
> In the field, because the spring or bungeeis attached normally, I use the
> one inch(two fingers) method to check if I need to re-swag the cable
> because of poor installation or cable stretch.I find the cable easy to
> pull down firmly from under the aircraft and check the distance. To check
> the springs I placemy full body weight (180 lbs.)at the hubto deflect the
> springs the full amount for a quick check. When doing maintenance on other
> aircraft I have found thatthe cable willstretch a bit morethan new which
> puts more strain on the springs. Occasionally I have seen on trigears which
> have operated extensively on grass,and the cable stop either wasinstalled
> improperly or it had loosened and had not worked as advertised (it slipped
> off the lower leg) and this caused the springs to becomeweaker under severe
> grass strip operations. (Thirty pounds at the hub caused the springs to
> deflect which is unacceptable.) It is not fun to cut those springs off and
> replace them because they no longer hold the nose gear firmly on the stop.
> So it was a personal decision to go tighter than looser on the cable stop to
> prevent this from happening.
>
>
> Regards,
>
> Bud Yerly
> Europa Tech Support
> 813 244-8354
>
>
> ----- Original Message -----
>
> From: William Daniell
> To: europa-list@matronics.com
> Sent: Tuesday, December 20, 2011 8:34 AM
> Subject: Europa-List:
>
> I am sure that this has been posted many time but to avoid having to hunt
> through the archives - what is the max prop diameter for a Trigear?
>
> Will
>
>
> href="http://www.aeroelectric.com">www.aeroelectric.com
> title=http://www.buildersbooks.com/
> href="http://www.buildersbooks.com">www.buildersbooks.com
> href="http://www.homebuilthelp.com">www.homebuilthelp.com
> href="http://www.matronics.com/contribution">http://www.matronics.com/chref="http://www.matronics.com/Navigator?Europa-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
> href="http://www.matronics.com/contribution">http://www.matronics.com/c
>
>
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