Today's Message Index:
----------------------
1. 05:42 AM - Re: Oil leak (bluesidedown)
2. 06:06 AM - Re: IMC - What If??? (Ron Lee)
3. 06:44 AM - Re: IMC - What If??? (Bruce Gray)
4. 07:04 AM - Re: Re: Oil leak (Charles Kuss)
5. 08:56 AM - Re: IMC - What If??? (RobHickman@aol.com)
6. 11:03 AM - Trim Tab (bert murillo)
7. 11:17 AM - Re: IMC - What If??? (bert murillo)
8. 11:19 AM - Re: Trim Tab (Carl Froehlich)
9. 11:23 AM - Re: Trim Tab (Neal George)
10. 11:36 AM - Re: Question on jam nuts (bert murillo)
11. 12:34 PM - Re: IMC - What If??? (Kevin Horton)
12. 12:45 PM - Re: IMC - What If??? (Kevin Horton)
13. 02:49 PM - Re: Trim Tab (Ken Cantrell)
14. 03:12 PM - RTV Gap "Bridge" Limit (ferrerg@comcast.net)
15. 04:46 PM - Save me from UGLY! (David Schaefer)
16. 05:24 PM - Re: Flighttime Radio tomorrow (Terry Mortimore)
17. 05:51 PM - Re: RTV Gap "Bridge" Limit (Charles Kuss)
18. 06:05 PM - Re: Save me from UGLY! (bert murillo)
19. 06:11 PM - Re: RTV Gap "Bridge" Limit (bert murillo)
20. 06:13 PM - Re: IMC - What If??? (Chuck Jensen)
Message 1
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Chris,
I would be glad to help but the right angle is relative to your installation.
The goal though is simple; you want to create at the very least a neutral pressure
effect and optimally a little negative pressure for positive crankcase
ventilation. What I did for mine was to find a spot on one of the exhaust tubes
that is relatively close to the end but free of interference from engine and
airframe and not so close the oil doesnt get a chance to burn. I cut a hole
in it and then fitted the tube to fit at about a 45 degree angle back and flush
with the inside of the exhaust tube gound to fit the curvature. Now some have
shown to extend the tube into the exhaust to create a greater effect. I believe
with a single tube that would cause restrictions, but with the 4 into 1 collector
you could probably get by with it. I really wish I had a dyno an extra
engine and some vacuum gauges to put it to science, but I dont.
Like anything getting close to or into the exhaust there is the risk of fire. So
one should be careful to have enough tube coming out of the exhaust (about 3
to 4 inches depending on airflow) to keep the heat from burning the breather
tube and you should replace the breather tube with high temp hose. I used the
blue hose from AC spruce and so far no discoloration or sign of stress, so I
guess it is OK.
I hope that helps. Summit racing and other race shops sell kits to do such a thing
and one I found had a screw in weldment which I used on the acrosport. But
I did grind off some of the screw in tube to keep it from protruding too much
into the exhaust pipe. SO it might be worth looking into too.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 6418#206418
Message 2
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Subject: | Re: IMC - What If??? |
MessageActually Bret he is right. I read about one guy (RV I think) who
had
two different EFIS systems (different makers). He was in IMC and
maybe on approach or setting up for approach the main one quit
functioning
properly. The other one worked. I don't recall the specifics but it
may have
been a software/database issue.
Ron Lee
Bruce,
Following your rationale, anyone who flies a non-certificated aircraft
is a Beta tester... I fail to accept your premise.
Bret Smith
RV-9A N16BL
Blue Ridge, Ga
www.FlightInnovations.com
Just remember, with a non TSO'd EFIS, you and your family are the Beta
testers.
Bruce
www.Glasair.org
Message 3
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Subject: | IMC - What If??? |
Yes, it was a GRT EFIS that locked up because a runway was not selected
before a vector to final was initiated. He had another Dyon that kept
working. He used his AP as the tie breaker. Said it was the most terrifying
10 minutes of his life.
Bruce
www.Glasair.org <http://www.glasair.org/>
-----Original Message-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of Ron Lee
Sent: Saturday, September 27, 2008 9:05 AM
Subject: Re: RV-List: IMC - What If???
Actually Bret he is right. I read about one guy (RV I think) who had
two different EFIS systems (different makers). He was in IMC and
maybe on approach or setting up for approach the main one quit functioning
properly. The other one worked. I don't recall the specifics but it may
have
been a software/database issue.
Ron Lee
Bruce,
Following your rationale, anyone who flies a non-certificated aircraft is a
Beta tester... I fail to accept your premise.
Bret Smith
RV-9A N16BL
Blue Ridge, Ga
www.FlightInnovations.com
Just remember, with a non TSO'd EFIS, you and your family are the Beta
testers.
Bruce
www.Glasair.org
Message 4
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--- On Sat, 9/27/08, bluesidedown <mbick@carolina.rr.com> wrote:
> From: bluesidedown <mbick@carolina.rr.com>
> Subject: RV-List: Re: Oil leak
> To: rv-list@matronics.com
> Date: Saturday, September 27, 2008, 8:41 AM
> <mbick@carolina.rr.com>
>
snipped
> Summit racing and other race shops sell
> kits to do such a thing and one I found had a screw in
> weldment which I used on the Acrosport. But I did grind off
> some of the screw in tube to keep it from protruding too
> much into the exhaust pipe. SO it might be worth looking
> into too.
snipped
Bluesidedown,
I checked the Summit site. However, it is so vast I am having trouble locating
the kit you mentioned above. Two questions:
#1 What is the proper name of this kit?
#2 Is it found it the EXHAUST section or the BREATHER section?
Charlie Kuss
Message 5
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Subject: | Re: IMC - What If??? |
In a message dated 9/26/2008 7:58:03 P.M. Pacific Daylight Time,
Bruce@glasair.org writes:
Just remember, with a non TSO'd EFIS, you and your family are the Beta
testers.
Just because it is TSO'd does not mean it will not fail or have software
issues. Last spring I borrowed the new factory Glasair Sportsman with dual
AFS
EFIS's for two months. We absolutely loved the plane and flew it for over
50 hours, including a trip to San Francisco. We only had two problems in
the
50 hours that we flew it. The first problems started after the software in
the TSO=99d Garmin 430W was updated causing the screen to wash out an
d disappear
in flight. The second problem happened after we entered the Class B
airspace on our San Francisco trip, after about 5 minutes of silence (not
much
traffic today in the Bay Area?) We noticed that the TSO=99d 430W had f
ailed at the
worst possible time. The radio was sent back to Garmin for repair and it
worked great, until it failed again on Glasair=99s trip to Sun-n-Fun.
Anything can and will have problems, you need to have the proper training
so that you can recognize and handle the failure.
The following is from:
_http://www.alexisparkinn.com/nwpilot's_tranatlantic_flight.htm_ (http://www
.alexisparkinn.com/nwpilot's_tranatlantic_flight.htm)
Then, the G1000 started to go nuts, with the fuel indicators displaying red
X's. Next, I received a CO2 detector failure, then GPS-1 failure! At this
point I was thinking "What next!?"
Well, I didn't have to wait long: The G1000 display suddenly went black,
with white text in the left hand corner saying "initializing system"!
(Note: All this was happening at night, locked in the soup, at FL070 and
200+ miles from the nearest land -- with almost no communication with a
ground-based person!)
**************Looking for simple solutions to your real-life financial
challenges? Check out WalletPop for the latest news and information, tips a
nd
calculators. (http://www.walletpop.com/?NCID=emlcntuswall00000001)
Message 6
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Hi
-
Recently I have aproblem with the Elec. Trim...II have an RV6A;
When flying,- the trim without a reason, goes full up, pitch up....I rese
t it, and works
Ok for some time..
-
It is intermitten....Does any one have any idea what can create this auto c
hange???
I know I can put a swuitch to disconnect it... that is not the question..
is a technical for those wiith electrical Knowledge....
-
I think is always uP... but maybe it has gone down also,,,, I have to check
this
to be sure...I know the up is complete full defflextion...
-
I hate to think I have to opoen everything under,,, to check wires to the
stick???
-
Suggestions appreciated.
-
Bert
rv6a
-
do not archive=0A=0A=0A
Message 7
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Subject: | Re: IMC - What If??? |
Kevin: Would be interesting to hear from EFIS People... on this I will call
them
-------- next week to hear what the have to say, as to what
is the test they do on
-------- their products...and what- is the record of fail
ures as of now...
-
-------- Bert
--- On Fri, 9/26/08, Kevin Horton <khorton01@rogers.com> wrote:
From: Kevin Horton <khorton01@rogers.com>
Subject: Re: RV-List: IMC - What If???
RobHickman@aol.com wrote:
>
> In a message dated 9/26/2008 6:17:04 A.M. Pacific Daylight Time,
> gmcjetpilot@yahoo.com writes:
>
> Most "homebuilt" EFIS don't have to meet
> any specs but many do try to have at least
> a regulated power supply. That is good to
> protect the expensive parts in the main box
> but may sacrifice it self in a surge.
>
> Bottom line it goes dark.
>
>
> The AFS internal Lithium battery powers the system after the protected
> regulated power supply. If a voltage spike takes out the regulator the
screen
> will not go dark until the battery run's down, usually over an hour.
>
>
>
Has the ability of the EFIS to remain powered after a lightning strike
been validated by any HIRF/lightning testing, or is it purely
hypothetical? Lots of stuff that looks good on paper fails when
subjected to testing.
Kevin Horton
--
Kevin Horton
RV-8 (Flight Test Phase)
Ottawa, Canada
http://www.kilohotel.com/rv8
=0A=0A=0A
Message 8
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I'd start with the wires to the stick. As this is an intermittent, my guess
is you have a chafing problem so first look at where the wire come out of
the stick.
Carl Froehlich
RV-8A (450 hrs)
RV-10 (fuselage)
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of bert murillo
Sent: Saturday, September 27, 2008 2:02 PM
Subject: RV-List: Trim Tab
Hi
Recently I have aproblem with the Elec. Trim...II have an RV6A;
When flying, the trim without a reason, goes full up, pitch up....I reset
it, and works
Ok for some time..
It is intermitten....Does any one have any idea what can create this auto
change???
I know I can put a swuitch to disconnect it... that is not the question..
is a technical for those wiith electrical Knowledge....
I think is always uP... but maybe it has gone down also,,,, I have to check
this
to be sure...I know the up is complete full defflextion...
I hate to think I have to opoen everything under,,, to check wires to the
stick???
Suggestions appreciated.
Bert
rv6a
do not archive
D========================
=========
D========================
=========
D========================
=========
D========================
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Message 9
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Bert -
Ray Allen had a run of the original-style trim relays with a high failure
rate.
The old relays are considerably smaller than the current crop.
Visit the website and compare the photo of the new style to yours.
If you have the old style, I'd contact the company and request replacement.
neal
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of bert murillo
Sent: Saturday, September 27, 2008 1:02 PM
Subject: RV-List: Trim Tab
Hi
Recently I have aproblem with the Elec. Trim...II have an RV6A;
When flying, the trim without a reason, goes full up, pitch up....I reset
it, and works
Ok for some time..
It is intermitten....Does any one have any idea what can create this auto
change???
I know I can put a swuitch to disconnect it... that is not the question..
is a technical for those wiith electrical Knowledge....
I think is always uP... but maybe it has gone down also,,,, I have to check
this
to be sure...I know the up is complete full defflextion...
I hate to think I have to opoen everything under,,, to check wires to the
stick???
Suggestions appreciated.
Bert
rv6a
do not archive
D========================
=========
D========================
=========
D========================
=========
D========================
=========
Message 10
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Subject: | Re: Question on jam nuts |
Dean:-- I do not know too much on the Manual Flaps, I have Electric..
---------- but I would follow the plans, always... In m
y case it call to install jam
nuts on both ends...the tube in my case has to be of exact length, other wi
sed
flaps would not work properly, that is it would not be in the full up, or d
own possition,
for the exact no. of degrees...
You are talking on the connection, flaps, to fuselage side or the Wing side
..
I know on the wing side, the bearing moves freely, it does not toch any thi
ng, I have
about 1/8 clearance.. the Fuselage side,- bering is visible on the under
side..
I will take a look, and see...I would definetely usse the jam nuts...if the
plans calls
for, there is a reason for...
-
Bert
-
rv6a
do not archive
-
----------
--- On Fri, 9/26/08, DEAN PSIROPOULOS <dean.psiropoulos@verizon.net> wrote:
From: DEAN PSIROPOULOS <dean.psiropoulos@verizon.net>
Subject: RV-List: Question on jam nuts
<dean.psiropoulos@verizon.net>
I finished rigging my flaps a few weeks ago but discovered that the right
flap pushrod tube rides very close to the side skin when the flaps are
retracted (manual flaps). So close in fact that the sides of a jam nut
cause some interference such that the heim bearing at the top of assembly
(the flap arms connected to the handle) cannot go in to the u-shaped holder
at the end of the flap arm. If I try to push the bearing over to go into
the flap arm the jam nut touches the side skin and does not allow the top
bearing to move over any further (if I open up the side skin hole any highe
r
to clear the nut you'll see it on the outside of the airplane, ugly). This
is easily remedied by removing the jam nut and, since the pushrod tube move
s
away from the side skin as the flaps are extended, there is never an
interference issue. I made the pushrod tube long enough that there is no
way it will ever spin off either heim bearing and I do have a jam nut at th
e
top of the tube (at the flap arm). My only concern is whether the jam at th
e
bottom is needed for extra strain relief on the pushrod tube. If you
recall, this is a thick wall aluminum tube that is threaded to accept the
heim bearings. Without the jam nut on the bottom bearing, all the stress
goes into the threads inside the tube. Whereas if there is a jam nut on the
bearing, some of the stresses are transferred to the entire wall thickness
of the tube. It would seem that having the jam nut on might help stave off
a failure of the pushrod tube that might occur without it. But....don't
know if I'm splitting hairs here. Is that what the jam nut is for? Will
there be a premature failure at that end of the tube if there is no jam nut
?
Or...can I just fly without it? Thanks.
Dean Psiropoulos
RV-6A N197DM
First engine run this weekend.
=0A=0A=0A
Message 11
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Subject: | Re: IMC - What If??? |
RobHickman@aol.com wrote:
>
> In a message dated 9/26/2008 7:58:03 P.M. Pacific Daylight Time,
> Bruce@glasair.org writes:
>
> Just remember, with a non TSO'd EFIS, you and your family are the Beta
> testers.
>
>
>
> Just because it is TSO'd does not mean it will not fail or have software
> issues. Last spring I borrowed the new factory Glasair Sportsman with dual
AFS
> EFIS's for two months. We absolutely loved the plane and flew it for over
> 50 hours, including a trip to San Francisco. We only had two problems in the
> 50 hours that we flew it. The first problems started after the software in
> the TSOd Garmin 430W was updated causing the screen to wash out and disappear
> in flight. The second problem happened after we entered the Class B
> airspace on our San Francisco trip, after about 5 minutes of silence (not much
> traffic today in the Bay Area?) We noticed that the TSOd 430W had failed at
the
> worst possible time. The radio was sent back to Garmin for repair and it
> worked great, until it failed again on Glasairs trip to Sun-n-Fun.
> Anything can and will have problems, you need to have the proper training
> so that you can recognize and handle the failure.
>
> The following is from:
> _http://www.alexisparkinn.com/nwpilot's_tranatlantic_flight.htm_ (http://www.alexisparkinn.com/nwpilot's_tranatlantic_flight.htm)
>
> Then, the G1000 started to go nuts, with the fuel indicators displaying red
> X's. Next, I received a CO2 detector failure, then GPS-1 failure! At this
> point I was thinking "What next!?"
> Well, I didn't have to wait long: The G1000 display suddenly went black,
> with white text in the left hand corner saying "initializing system"!
> (Note: All this was happening at night, locked in the soup, at FL070 and
> 200+ miles from the nearest land -- with almost no communication with a
> ground-based person!)
>
>
>
The DO-178B software development process is no iron-clad guarantee
either. All it does is provide a higher level of confidence that the
software was correctly coded such that is works according to the
specification provided by the system designer. But, it provides no
guarantee that the software specification is in fact correct. I know of
multiple occassions where systems with DO-178B Level A (the highest
level) software had major software faults (HUD showing pitch and bank in
the wrong direction, fly-by-wire software crashing, etc) - not because
of software coding errors, but because the software spec did not foresee
all possible operating scenarios.
TSO approval and DO-178B software cert are useful benchmarks, but it is
only with many units in service for many thousands of hours that we
start to develope confidence that the units are trustworthy.
Assume that any device will either fail, or worse, that it will mislead
you. This assumption is important no matter what approvals the device has.
--
Kevin Horton
RV-8 (Flight Test Phase)
Ottawa, Canada
http://www.kilohotel.com/rv8
Message 12
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Subject: | Re: IMC - What If??? |
Bert - there are so many different reasons that an EFIS could fail, or
mislead you, that you should simply assume that it could occur. This is
true whether they have done lightning tests or not.
Don't bet your life on it not failing. Have suitable backups installed,
and be ready and capable enough (i.e. proficient to use the backups in
real IMC conditions) to use them.
Kevin
bert murillo wrote:
> Kevin: Would be interesting to hear from EFIS People... on this I will call them
> next week to hear what the have to say, as to what is the test they
do on
> their products...and what is the record of failures as of now...
>
> Bert
>
> --- On Fri, 9/26/08, Kevin Horton <khorton01@rogers.com> wrote:
>
> From: Kevin Horton <khorton01@rogers.com>
> Subject: Re: RV-List: IMC - What If???
> To: rv-list@matronics.com
> Date: Friday, September 26, 2008, 3:14 PM
>
>
> RobHickman@aol.com wrote:
>
>>
>> In a message dated 9/26/2008 6:17:04 A.M. Pacific Daylight Time,
>> gmcjetpilot@yahoo.com writes:
>>
>> Most "homebuilt" EFIS don't have to meet
>> any specs but many do try to have at least
>> a regulated power supply. That is good to
>> protect the expensive parts in the main box
>> but may sacrifice it self in a surge.
>>
>> Bottom line it goes dark.
>>
>>
>>
>> The AFS internal Lithium battery powers the system after the protected
>> regulated power supply. If a voltage spike takes out the regulator the
>>
> screen
>
>> will not go dark until the battery run's down, usually over an hour.
>>
>>
>>
>>
>
> Has the ability of the EFIS to remain powered after a lightning strike
> been validated by any HIRF/lightning testing, or is it purely
> hypothetical? Lots of stuff that looks good on paper fails when
> subjected to testing.
>
> Kevin Horton
>
>
--
Kevin Horton
RV-8 (Flight Test Phase)
Ottawa, Canada
http://www.kilohotel.com/rv8
Message 13
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Ditto,
It was the relay that failed in my case about 2 years ago. (RV6) Ray Allen
sent me a replacement and it has been perfect ever since.
765 hours
Ken Cantrell
Web:www.viewpointphoto.net <http://www.viewpointphoto.net/>
_____
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of Neal George
Sent: Saturday, September 27, 2008 11:22 AM
Subject: RE: RV-List: Trim Tab
Bert -
Ray Allen had a run of the original-style trim relays with a high failure
rate.
The old relays are considerably smaller than the current crop.
Visit the website and compare the photo of the new style to yours.
If you have the old style, I'd contact the company and request replacement.
neal
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of bert murillo
Sent: Saturday, September 27, 2008 1:02 PM
Subject: RV-List: Trim Tab
Hi
Recently I have aproblem with the Elec. Trim...II have an RV6A;
When flying, the trim without a reason, goes full up, pitch up....I reset
it, and works
Ok for some time..
It is intermitten....Does any one have any idea what can create this auto
change???
I know I can put a swuitch to disconnect it... that is not the question..
is a technical for those wiith electrical Knowledge....
I think is always uP... but maybe it has gone down also,,,, I have to check
this
to be sure...I know the up is complete full defflextion...
I hate to think I have to opoen everything under,,, to check wires to the
stick???
Suggestions appreciated.
Bert
rv6a
do not archive
http://www.matronics.com/Navigator?RV-List
http://forums.matronics.com
http://www.matronics.com/contribution
Message 14
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Subject: | RTV Gap "Bridge" Limit |
Can "hot temperature (650 deg F intermittent) RTV" "safely" cover a 1/8 inch gap?
Background:
I, finally, was able to cut the rear of my new carburetor air box mounting plate
so that it would fit and lay practically flat around the carburetor air intake.
However, when I cut the plate I created a 1/8 inch wide gap by 3/8 inch long between
the edge of the plate and the body of the carburetor.
My plan is to cover the gap with the above RTV.
My concern is if the carburetor has enough suction power to suck in the RTV.
If anyone has any experience on this topic I would appreciate your advice.
Thank you
--
Gabe A Ferrer
RV6 N2GX
South Florida's Treasure Coast
email: ferrerg@comcast.net
cell: 561 758 8894
<html><body>
<DIV>Can "hot temperature (650 deg F intermittent) RTV" "safely" cover a
1/8 inch gap?</DIV>
<DIV> </DIV>
<DIV>Background:</DIV>
<DIV> </DIV>
<DIV>I, finally, was able to cut the rear of my new carburetor air box
mounting plate so that it would fit and lay practically flat around the carburetor
air intake.</DIV>
<DIV> </DIV>
<DIV>However, when I cut the plate I created a 1/8 inch wide
gap by 3/8 inch long between the edge of the plate and the body of the
carburetor.</DIV>
<DIV> </DIV>
<DIV>My plan is to cover the gap with the above RTV.</DIV>
<DIV> </DIV>
<DIV>My concern is if the carburetor has enough suction power to suck in the
RTV.</DIV>
<DIV> </DIV>
<DIV>If anyone has any experience on this topic I would appreciate your advice.</DIV>
<DIV> </DIV>
<DIV>Thank you </DIV>
<DIV> </DIV>
<DIV class=signature id=signature>--<BR>Gabe A Ferrer <BR>RV6 N2GX <BR>South Florida's
Treasure Coast <BR>email: ferrerg@comcast.net <BR>cell: 561 758 8894</DIV>
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Message 15
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Subject: | Save me from UGLY! |
I'm working on a plan to install a Zaon traffic monitor in the 6A-slider.
However, I can't take the idea of that ugly box above the panel!! Not to
mention the view it will block. I'm working on a plan to mount it off the
baggage compartment bulkhead with a mount that moves it up into the canopy
and about 8" to 10" forward so it's about 12" to 18" or so up behind the
passengers head. SHOULD have a good view of the sky and yet be out of the
way with the display sent to my EFIS units.
Any other thoughts where to mount this?
Has anyone done this yet so I don't have to re-invent the wheel?!?
Thanks.....
--
David W. Schaefer
RV-6A N142DS formerly "Geek One' reborn "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
Message 16
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Subject: | Re: Flighttime Radio tomorrow |
Hi Brian:
Please, please, please update the archives. I'm not able to listen live
saturday mornings but I sure do enjoy the show when I can download it and
listen to it at work.
Another fan, Terry.
----- Original Message -----
From: "Brian Kraut" <brian.kraut@engalt.com>
Sent: Friday, September 26, 2008 5:18 PM
Subject: RV-List: Flighttime Radio tomorrow
>
> We are having Joe Norris on the show tomorrow morning at 10:07 AM eastern
> time at www.flighttimeradio.com. Joe is the new homebuilt community
> manager for EAA. He was the top tech support guy there for a log time and
> is probably the most knowledegeable people I know with experimental and
> certified aircraft. It would be great if some of you wanted to call into
> the show and ask Joe some technical questions. The number is
> 904-854-1320.
>
>
>
Message 17
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Subject: | Re: RTV Gap "Bridge" Limit |
Gabe,
The RTV will easily fill that gap. HOWEVER, fuel dripping down will slowly soften,
then dissolve the RTV over time. Type B Proseal (what Vans sells) would be
a better choice considering the sealant's exposure to gasoline.
I often use gasoline to clean RTV off of various auto engine parts. RTV should
never be used on fuel system components.
Charlie Kuss
--- On Sat, 9/27/08, ferrerg@comcast.net <ferrerg@comcast.net> wrote:
> From: ferrerg@comcast.net <ferrerg@comcast.net>
> Subject: RV-List: RTV Gap "Bridge" Limit
> To: "RV List" <rv-list@matronics.com>
> Date: Saturday, September 27, 2008, 6:11 PM
> Can "hot temperature (650 deg F intermittent) RTV"
> "safely" cover a 1/8 inch gap?
>
> Background:
>
> I, finally, was able to cut the rear of my new carburetor
> air box mounting plate so that it would fit and lay
> practically flat around the carburetor air intake.
>
> However, when I cut the plate I created a 1/8 inch wide gap
> by 3/8 inch long between the edge of the plate and the body
> of the carburetor.
>
> My plan is to cover the gap with the above RTV.
>
> My concern is if the carburetor has enough suction power to
> suck in the RTV.
>
> If anyone has any experience on this topic I would
> appreciate your advice.
>
> Thank you
>
> --
> Gabe A Ferrer
> RV6 N2GX
> South Florida's Treasure Coast
> email: ferrerg@comcast.net
> cell: 561 758 8894
Message 18
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Subject: | Re: Save me from UGLY! |
David:
-
One of the firends that have also an rv6a, has this unit.. what he did, and
I can
tell you his panel- is full....he took a, Office depot- desk folders ho
ld,- i think this
is wha is called,, any how is a type of tray, I think is nos solid but the
wire type..
is just small basket,, he then installed under the panel where the Map Box"
according to Van's, is located,, and it works fine, according to him... is
only
about 3 inches, I do not know if he cutted to fit better...
Is an Idea you can consider....
-
bert
rv6a
--- On Sat, 9/27/08, David Schaefer <n142ds@gmail.com> wrote:
From: David Schaefer <n142ds@gmail.com>
Subject: RV-List: Save me from UGLY!
I'm working on a plan to install a Zaon traffic monitor in the 6A-slider.
- However, I can't take the idea of that ugly box above the panel!!- No
t to mention the view it will block. I'm working on a plan to mount it off
the baggage compartment bulkhead with a mount that moves it up into the can
opy and about 8" to 10" forward so it's about 12" to 18" or so up behind th
e passengers head.- SHOULD have a good view of the sky and yet be out of
the way with the display sent to my EFIS units.
Any other thoughts where to mount this?-
Has anyone done this yet so I don't have to re-invent the wheel?!?-
Thanks.....
--
David W. Schaefer
RV-6A N142DS formerly "Geek One' reborn "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
=0A=0A=0A
Message 19
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Subject: | Re: RTV Gap "Bridge" Limit |
Gabriel:
-
I have rv6a, with the Scherb--Marvel, is that the correct name carb..
I do ;not remember having any problem with the air box, the plate fit just
right.
-
The only thing I had to, was to open the small oval, llike hole, to fit the
humb\p
that is on the left side of the Carb( view from the Cockpit)- with care i
t was very
small, and fit perfectly,- I did fill the small gap maybe and 1/8 around,
with
heat resitant RV...the red kind.. that was all.- I have never had any pro
blem
as of today..
-
I do not know if the plates supplied now from Van's is any different....
Hope this will help
-
bert
--- On Sat, 9/27/08, ferrerg@comcast.net <ferrerg@comcast.net> wrote:
From: ferrerg@comcast.net <ferrerg@comcast.net>
Subject: RV-List: RTV Gap "Bridge" Limit
Can-"hot temperature (650 deg F intermittent)-RTV" "safely" cover-a 1
/8 inch gap?
-
Background:
-
I, finally, was-able to cut-the rear of my new carburetor air box mount
ing plate so that it would fit and lay practically flat around the carburet
or air intake.
-
However,-when I cut the plate-I-created a 1/8 inch-wide gap by 3/8
inch long-between the edge of the plate and the body of the carburetor.
-
My plan is to cover the gap with the above RTV.
-
My concern is-if the carburetor has enough suction power to suck in the R
TV.
-
If anyone has any experience on this topic I would appreciate your advice.
-
Thank you--
-
--
Gabe A Ferrer
RV6 N2GX
South Florida's Treasure Coast
email: ferrerg@comcast.net
cell: 561 758 8894
=0A=0A=0A
Message 20
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Subject: | IMC - What If??? |
One data point. Pair of GRT EFISs in a Velocity. 410 hours, almost 10% doing
some level of IFR and not as much as a hint of a glitch...of course, that says
only a little bit about the likelihood of problems tomorrow, but a set of mechanical
AS, Alt, TT A/P and an MCI LifeSaver w/battery backup...not interested
in challenging Mother Nature or Fate.
Chuck Jensen
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