Today's Message Index:
----------------------
1. 05:00 AM - FAB wars (Chris Hukill)
2. 07:42 AM - Re: Pitot location (Bill Watson)
3. 08:58 AM - Elect Ign - CB in Tailcone? (Phillip Perry)
4. 09:18 AM - Re: Pitot location (woxofswa)
5. 09:50 AM - Re: Elect Ign - CB in Tailcone? (rv10flyer)
6. 09:54 AM - Re: Elect Ign - CB in Tailcone? (rvdave)
7. 10:04 AM - Re: Pitot location (rv10flyer)
8. 10:07 AM - Re: Elect Ign - CB in Tailcone? (Carl Froehlich)
9. 10:10 AM - Re: Elect Ign - CB in Tailcone? (rv10flyer)
10. 11:32 AM - Re: Elect Ign - CB in Tailcone? (rvdave)
11. 11:36 AM - Re: Re: Pitot location (Linn Walters)
12. 11:52 AM - Re: Trim servo question (Linn Walters)
13. 06:46 PM - Re: Trim servo question (bob88)
Message 1
| INDEX | Back to Main INDEX |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
Wayne, I would think that the filter to engine displacement data that
K&N provides is meant for applications that have little or no ram
effect, like cars and boats. We can easily see that the ram effect is
quite prominent in the production of HP in our planes, similar to turbo
or supercharging. Testing provides the answers. If the filter is
restricting the airflow, it will be evident by the reeds opening to
allow more air than is allowed thru the forward portion of the filter.
If the reeds stay closed, the airstream is pushing enough air thru the
filter, simple as that.
The question of a fire hose assault on the air filter, while parked
during a hurricane warrants further study. I=99ll take an old
dirty filter and put a hose to it (while it=99s off the airplane)
and blast away, and see how much water gets thru the forward section of
the filter, and becomes captured in the aft section, to later freeze. If
the amount of water is significant, I will be certain to apply a plug to
the scoop whenever parked outside, especially if any hurricanes are
forecast. Seriously, that is a valid concern, and deserves further
study. An adequate size drain hole will probably be the remedy.
The aluminum plate under the filter is certainly one method of
controlling the erosion of the filter thru the thin plastic bottom of
the fab. On my RV8 however, I applied a thick bead of silicone to the
bottom of the filter, put the filter in place, and bolted the fab
together. The film of oil on the filter element works as a mold release
and when I remove the filter for cleaning, the silicone remains on the
fab bottom. After cleaning, the filter goes right back on the silicone
bed, and I have zero wear on the fab bottom with over five hundred
hours. Just another way to skin a cat.
Tim, I am in 100% agreement with you on the necessity and even wisdom of
a builder spending time and energy on improving Vans already excellent
design. A totally stock RV10 is a fantastic airplane. Having built
several airplanes however, my mission is a little different than the
average builder. For one thing, I have other airplanes to fly, so there
is no hurry for me to finish. The reality is that my job as a corporate
pilot requires me to spend the vast majority of my time being in town
and available to go fly. Building airplanes is a great way to
=9Cgo to work=9D, as I like to think of it. The previous
planes that I have built always have had items that I thought I could
improve on, if I took the time. That=99s what I=99m doing
now. However I certainly would not recommend that approach to other
builders who want to get their airplanes flying in any reasonable amount
of time.
Chris Hukill
heading off to work
Message 2
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Pitot location |
I put my mast out in the last or next to last bay per some other
builders. I have the Gretz heated pitot and it has a little controller
that resides close to the mast so the last bay provides easy access via
the tip. No problems with the location.
The Gretz heated pitot, now handled by Angus Aviation in AUS, has been
great. Early units like mine appeared to have a defect causing self
destruction. Couldn't have been happier with Angus Aviation's response
and resolution despite the unit being 4+ years old before I first turned
it on. I recommend the unit highly after 3 years of use.
On 8/26/2014 9:15 PM, bob88 wrote:
>
> Where to install pitot mast? Vans has a hole in the forward bottom skin just
in front of the spar in line with the aileron actuator bracket. given a quickbuild
wing with this skin already riveted in place and planning to install a real
pitot tube on a standard mast mount, where is best location? I think it will
have to be somewhere on the outboard bottom skin? Also, the sequence seems to
be installation of the outboard bottom skin before the aileron actuator parts.
Is there a reason for this? Seems it would be easier to get that done before
closing up the skin.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=429407#429407
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
>
>
Message 3
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Elect Ign - CB in Tailcone? |
Howdy everyone...
I'm pulling my dedicated wire from the tailcone to the Lightspeed box
installed at the panel. In the panel I have a resettable 7.5 amp CB per
Lightspeed's recommendations.
However I'm a bit concerned with fire/circuit protection between the
battery and the 7.5 amp CB installed 15 ft away. I'm thinking of installing
a 2nd CB at the battery that is larger in size - say 10 or 15 amps.
That way, the 7.5 amp CB will provide protection for the Lightspeed, and if
the line shorts somewhere in the fuselage, it will pop the tailcone CB and
not turn my dedicated wire cherry red and ignite.
Have any of you taken this approach? What size CB did you install and what
was your experience?
Phil
Message 4
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Pitot location |
I have the Gretz mount and mine is mounted one bay closer to the tip than where
Van's has the access plate. I'm pretty sure, but haven't yet confirmed, that
input it where the Gretz instructions recommended.
Anyway, at OSH, I had one of the judges ask me "why did you move your pitot tube?"
The question threw me for a loop and I didn't have a quick answer.
He responded, "it should work okay, but Van's design is for it to be in-board where
the access cover is and yours is the first I've seen further out "
Sure enough, I looked at three -10's on the row behind me and theirs were all more
inboard than mine. I felt kind of stupid like I had made a silly mistake.
As the judge was leaving, I told him that having it where it was gave me more access
to the connections with the tip off. He didn't seem impressed and said "that
seems like more work than the designated access panel, but whatever, it should
work okay."
I felt like a dope. Then for the rest of the show, I started looking at the pitot
position of every 10 I could find and while the majority where in the inboard
position, I did find 4 or 5 that had it exactly where I did. I told one fellow
who had his where mine was about the judge's comments, and he said that he
also had the Gretz mount and was sure that he mounted it exactly per the instructions.
--------
Myron Nelson
Mesa, AZ
Flew May 10 2014
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429462#429462
Message 5
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Elect Ign - CB in Tailcone? |
I have an "always hot" circuit ran from aux bat in the back to my panel accy plug.
It is protected at aux bat fuse block with 7.5 A fuse. I think 7.5 A is the
max recommended. One definitely does not want unprotected circuits other than
right near our batteries and must be as short as possible and very secure.
--------
Wayne G.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429464#429464
Message 6
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Elect Ign - CB in Tailcone? |
I'll be using a fusible link from the battery lug per AeroElectric Connection using
one size smaller wire about 4 inches wrapped in a firesleeve to protect the
wire going forward. .
--------
Dave Ford
RV6 flying
RV10 building
Cadillac, MI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429466#429466
Message 7
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Pitot location |
My Falcon heated pitot is in the second bay in, 6" below the wing. I think I used
acid-etch primer in an aerosol can and prosealed the joint to prevent water
from entering. Standard Van's FAB and engine install, ran slightly LOP. Full
gross weight on most flights and 1" forward of aft limit. 24 months/2100 hrs to
complete build.
--------
Wayne G.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429467#429467
Message 8
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Elect Ign - CB in Tailcone? |
While not for a LightSpeed ignition install, I had a similar concern
about running unprotected wire from the batteries to the panel. I (as
most do) have accepted the nice, heavy #2 wire going between the starter
solenoid and master relay(s) that is not protected by a circuit breaker.
For this unlikely failure scenario however, immediate action procedure
to first open both master relays for any electrical fault is the
protection. The avionics do not receive any power via the master
relays.
I divided my avionics into left and right vital loads. Each half being
feed by a #10 wire, connecting to the appropriate left or right battery
but with the option to feed either side from either battery using a
total of four 30 amp DPDT relays. I installed a single 25 amp breaker
at the battery after set of two relays for protecting the left and right
#10 wires from direct short. Each load on the panel is protected with a
separate, smaller breaker downstream of the 25 amp breaker.
So a component fault will be protected via the specific load breaker.
The #10 feeder wire is protected via the 25 amp breaker. In the
unlikely event of one of the 25 amp breakers popping then half the panel
is still available. I went back and forth several times on not using
this 25 amp breaker and just assuming the 30 amp relay that feeds each
side would open if I had a hard short on one of the #10 wires. If a 25
amp breaker pops however, there is a major problem that will not be
fixed in the air. On the RV-8A I did not use this 25 amp breaker but
the batteries were mounted just behind the firewall so the unprotected
run was short. I would not accept this as an alternative if the not
using these smaller power distribution relays for the panel =93
just the master relay(s) as their current capacity is so much greater.
For your scenario assuming you are using #18 wire, then a 15 amp breaker
at the battery should be fine.
I did wire a 5 amp breaker on the panel (one on each side) for the yet
to be delivered six cylinder pMag ignition. As they provide their own
power after engine start having a dedicated feed from the batter is not
required nor desired. At Oshkosh Brad gave me another promise of
=9Cthree months and I=99m at the top of the list=9D so
we=99ll see.
Carl
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Phillip Perry
Sent: Wednesday, August 27, 2014 11:57 AM
Subject: RV10-List: Elect Ign - CB in Tailcone?
Howdy everyone...
I'm pulling my dedicated wire from the tailcone to the Lightspeed box
installed at the panel. In the panel I have a resettable 7.5 amp CB per
Lightspeed's recommendations.
However I'm a bit concerned with fire/circuit protection between the
battery and the 7.5 amp CB installed 15 ft away. I'm thinking of
installing a 2nd CB at the battery that is larger in size - say 10 or 15
amps.
That way, the 7.5 amp CB will provide protection for the Lightspeed, and
if the line shorts somewhere in the fuselage, it will pop the tailcone
CB and not turn my dedicated wire cherry red and ignite.
Have any of you taken this approach? What size CB did you install and
what was your experience?
Phil
Message 9
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Elect Ign - CB in Tailcone? |
I think Bob N. uses 2 wire ga smaller for a fuse link. Double check though.
--------
Wayne G.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429469#429469
Message 10
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Elect Ign - CB in Tailcone? |
Yes your memory is better [Crying or Very sad]
--------
Dave Ford
RV6 flying
RV10 building
Cadillac, MI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429482#429482
Message 11
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Pitot location |
Never feel like a dope. No matter what changes you make, you gave it a
lot of thought and came to a rational decision. Yeah, the judge was
right .... less screws in the inspection panel, but how often do you
look at it? At least you'll look at it every condition inspection. I
plan on using hinge to attach my tips.
Linn
On 8/27/2014 12:14 PM, woxofswa wrote:
>
> I have the Gretz mount and mine is mounted one bay closer to the tip than where
Van's has the access plate. I'm pretty sure, but haven't yet confirmed, that
input it where the Gretz instructions recommended.
>
> Anyway, at OSH, I had one of the judges ask me "why did you move your pitot tube?"
The question threw me for a loop and I didn't have a quick answer.
> He responded, "it should work okay, but Van's design is for it to be in-board
where the access cover is and yours is the first I've seen further out "
>
> Sure enough, I looked at three -10's on the row behind me and theirs were all
more inboard than mine. I felt kind of stupid like I had made a silly mistake.
>
> As the judge was leaving, I told him that having it where it was gave me more
access to the connections with the tip off. He didn't seem impressed and said
"that seems like more work than the designated access panel, but whatever, it
should work okay."
>
> I felt like a dope. Then for the rest of the show, I started looking at the pitot
position of every 10 I could find and while the majority where in the inboard
position, I did find 4 or 5 that had it exactly where I did. I told one
fellow who had his where mine was about the judge's comments, and he said that
he also had the Gretz mount and was sure that he mounted it exactly per the instructions.
>
> --------
> Myron Nelson
> Mesa, AZ
> Flew May 10 2014
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=429462#429462
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
>
>
Message 12
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Trim servo question |
Hadn't seen an answer ....
I see no reason to separate the trim and autopilot servo ..... unless
there's interference in how they attach to the aileron linkage.
I have a different autopilot and trim system so my comment may not be valid.
Linn
On 8/26/2014 10:43 PM, bob88 wrote:
>
> Vans has the aileron trim servo (Ray Allen) in the left wing and Garmin has the
GSA28 autopilot servo in the right wing. The wiring from the Ray Allen has
to pass through the Garmin servo. Has anyone put both in the same wing, or is
it better to just run wire across the fuselage?
Message 13
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Trim servo question |
I think you are right. The mounting kit from Garmin is right wing specific but
the Ray Allen servo kit from Vans appears to be ambidextrous...so both in right
wing seems the correct thing to do.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429505#429505
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|