Today's Message Index:
----------------------
1. 07:09 AM - Re: Oil return hoses? (glen matejcek)
2. 07:58 AM - Re: safety wiring AN fitting nuts (=?iso-8859-1?Q?Mich=E8le_Delsol?=)
3. 08:29 AM - Re: safety wiring AN fitting nuts (Ed Anderson)
4. 03:43 PM - Re: Oil Return Hoses (joelrhaynes@aol.com)
5. 06:19 PM - Re: Re: Continuation on High CHT problem (dick martin)
6. 06:28 PM - Re: Re: Continuation on High CHT problem (dick martin)
7. 06:49 PM - Re: Re: Continuation on High CHT problem (Walter Tondu)
8. 07:06 PM - Re: Re: Continuation on High CHT problem (Bob J.)
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 |
|
| Subject: | Re: Oil return hoses? |
Has anyone used some EZ-Turn (fuel lube) in this application? Seems like a natural-
glen matejcek
aerobubba@earthlink.net
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: | safety wiring AN fitting nuts |
On the same score, if you torque down a nut or bolt, put some paint on
it
immediately. Any bolt/nut not marked as having been torqued down should
be
torqued down. So, when you inspect your work you should not have to ask
yourself, did I torque this bolt down or not.
Sounds elementary, but it is one of those little things which can make a
lot
of difference.
Mich=E8le
RV8 - Finishing
_____
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of
Hopperdhh@aol.com
Sent: mardi 19 d=E9cembre 2006 21:14
Subject: Re: RV-List: safety wiring AN fitting nuts
I'd be interested in knowing if anyone found their fuel fittings loose
while
complying with their "Mandatory Service Bulletin." Mine were tight just
like I left them. Now, I could understand if someone left theirs loose,
they may find them that way!
I learned a lesson some time ago -- almost the hard way. Never leave a
hose
fitting finger tight. If you are not ready to tighten it, leave it
completely disconnected.
Dan Hopper
RV-7A
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: | Re: safety wiring AN fitting nuts |
Having had the AN nut on my "Flop tube" in the right tank come loose
after 160 hours of flying with the resulting disconnect of the tube -
which meant the last 3 1/2 gallons of fuel were not assessable - I
agree. Don't put a hose/tube on a fitting unless you are going to
tighten it to specs at that time - otherwise leave it off. I don't
know - but I strongly suspect that my fitting was only on "finger tight"
and eventually worked loose.
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda/index.html
----- Original Message -----
From: Mich=E8le Delsol
To: rv-list@matronics.com
Sent: Thursday, December 21, 2006 10:59 AM
Subject: RE: RV-List: safety wiring AN fitting nuts
On the same score, if you torque down a nut or bolt, put some paint on
it immediately. Any bolt/nut not marked as having been torqued down
should be torqued down. So, when you inspect your work you should not
have to ask yourself, did I torque this bolt down or not.
Sounds elementary, but it is one of those little things which can make
a lot of difference.
Mich=E8le
RV8 - Finishing
-------------------------------------------------------------------------
-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of
Hopperdhh@aol.com
Sent: mardi 19 d=E9cembre 2006 21:14
To: rv-list@matronics.com
Subject: Re: RV-List: safety wiring AN fitting nuts
I'd be interested in knowing if anyone found their fuel fittings loose
while complying with their "Mandatory Service Bulletin." Mine were
tight just like I left them. Now, I could understand if someone left
theirs loose, they may find them that way!
I learned a lesson some time ago -- almost the hard way. Never leave
a hose fitting finger tight. If you are not ready to tighten it, leave
it completely disconnected.
Dan Hopper
RV-7A
www.aeroelectric.comwww.kitlog.comhttp://www.matronics.com/Navigator?RV-L
ist
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: Oil Return Hoses |
I agree with Gary. I think the secret is to completely clean the hose and tube
where it attaches of any oil. I had a persistent little leak and when I cleaned
the parts well and roughed up the aluminum tube slightly with scotchbrite my
problem was solved. No RTV was required in my case. No more leaks after 65
hours.
Joel Haynes
RV-7A N557XW 65 hours
Bozeman
Time: 09:42:48 PM PST US
From: "RV6 Flyer" <rv6_flyer@hotmail.com>
Subject: Re: RV-List: Oil Return Hoses
Leaks at the drain hose is a common problem.
The way I fix it is to clean the hose and fittings very well. Now add a
very small film of RTV engine gasket compound. Reassemble and snug the
clamp.
I had leaks up to about 10 hours. Used my little trick and no more drain
hose leaks.
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
1,972 + Flying Hours So. CA, USA
----Original Message Follows----
>My engine continues to have minor leaks around the little rubber hose
>segments which connect the cylinder head oil return lines to the sump. I've
>made several efforts to tighten the hose connectors but those efforts don't
>seem to have helped. I plan on replacing the hose segments at the next
>condition inspection.
>My question is: "How do I prevent/eliminate/minimize these leaks with the
>next set of hoses?"
> Thanks in advance,
> KB
_________________________________________________________________
Get free, personalized online radio with MSN Radio powered by Pandora
http://radio.msn.com/?icid=T002MSN03A07001
________________________________________________________________________
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: RE: Continuation on High CHT problem |
Glen,
I also do not think that this is correct.
I have 1400 hrs on my RV8. No gap, no cooling problem
I have always been taught that loose and poorly fit baffles were the
primary cause of cooling problems.
Dick Martin
RV8 N233M
the fast one
----- Original Message -----
From: Hopperdhh@aol.com
To: rv-list@matronics.com
Sent: Monday, December 11, 2006 10:02 AM
Subject: Re: RV-List: RE: Continuation on High CHT problem
In a message dated 12/11/2006 10:32:18 AM Eastern Standard Time,
aerobubba@earthlink.net writes:
<aerobubba@earthlink.net>
Hi Tim-
>I reported on these earlier and received lots of great info and
>solutions.
I haven't noticed anyone referencing ensuring that you have adequate
clearance between the baffles and the edges of the fins. I've not
had the
opportunity to fly yet, so I've not tinkered with this yet, but IIRC
you
need a bit of a gap between the fins and the baffles.
glen matejcek
aerobubba@earthlink.net
I don't think this is correct, Glen.
Dan Hopper
RV-7A 200 HP Angle Valve IO-360, No gap and no cooling problem.
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: RE: Continuation on High CHT problem |
Tim,
to add to Dan's comments, on the IO390s most of the air racers are using
a spacing on the baffles that wrap around the botton side of the
cylinder of 2 1/4" on the cylinder head portion and 1" on the cylinder
barrel portion. Some engine installations will require minor tweaking
of adding or subtracting a quarter inch to these demensions. Good luck.
Dick Martin
RV8 N233M
the fast one
----- Original Message -----
From: Hopperdhh@aol.com
To: rv-list@matronics.com
Sent: Monday, December 11, 2006 10:14 AM
Subject: Re: RV-List: RE: Continuation on High CHT problem
Tim,
You do, of course, need adequate space for the cooling air to escape
at the bottom of each cylinder. I think I have about 2 or 2 1/2
inches. Also, you should have an inter-cylinder baffle between each
pair of cylinders. You do have these, don't you?
Dan Hopper
RV-7A
In a message dated 12/11/2006 11:07:37 AM Eastern Standard Time,
Hopperdhh@aol.com writes:
In a message dated 12/11/2006 10:32:18 AM Eastern Standard Time,
aerobubba@earthlink.net writes:
<aerobubba@earthlink.net>
Hi Tim-
>I reported on these earlier and received lots of great info and
>solutions.
I haven't noticed anyone referencing ensuring that you have
adequate
clearance between the baffles and the edges of the fins. I've not
had the
opportunity to fly yet, so I've not tinkered with this yet, but
IIRC you
need a bit of a gap between the fins and the baffles.
glen matejcek
aerobubba@earthlink.net
I don't think this is correct, Glen.
Dan Hopper
RV-7A 200 HP Angle Valve IO-360, No gap and no cooling problem.
p://www.aeroelectric.com/">http://www.aeroelectric.com/
href="http://www.buildersbooks.com/">http://www.buildersbooks.com/
ttp://www.kitlog.com/">http://www.kitlog.com/
ttp://www.homebuilthelp.com/">http://www.homebuilthelp.com/
://www.matronics.com/contribution">http://www.matronics.com/contribution
="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/
Navigator?RV-List
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: RE: Continuation on High CHT problem |
On 12/21 8:07, dick martin wrote:
> I haven't noticed anyone referencing ensuring that you have adequate
> clearance between the baffles and the edges of the fins. I've not had
> the
Are you perhaps mentioning the gap between the #3 cylinder and the
rear baffle? If so, I did see a decent drop (30F) when I placed a
1/8th gap there.
--
Walter Tondu
http://www.rv7-a.com - Flying!
http://www.evorocket.com - Building
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: | Re: RE: Continuation on High CHT problem |
It is correct, I know of at least a half dozen RV's or Rockets belonging to
friends that have spaced the baffle away from the #3 cylinders with washers
(#5 on the 540). It will drop the CHT's on those cylinders by 30 degrees,
if for some reason those cylinders are running hot. It also works on the #1
cylinder as well. The theory is it allows more cooling air to flow around
the hottest side of the cylinder which is the exhaust valve side..
Regards,
Bob Japundza
RV-6 flying F1 under const.
On 12/21/06, dick martin <martin@gbonline.com> wrote:
>
> Glen,
> I also do not think that this is correct.
> I have 1400 hrs on my RV8. No gap, no cooling problem
> I have always been taught that loose and poorly fit baffles were the
> primary cause of cooling problems.
> Dick Martin
> RV8 N233M
> the fast one
>
> ----- Original Message -----
> *From:* Hopperdhh@aol.com
> *To:* rv-list@matronics.com
> *Sent:* Monday, December 11, 2006 10:02 AM
> *Subject:* Re: RV-List: RE: Continuation on High CHT problem
>
> In a message dated 12/11/2006 10:32:18 AM Eastern Standard Time,
> aerobubba@earthlink.net writes:
>
>
> Hi Tim-
>
> >I reported on these earlier and received lots of great info and
> >solutions.
>
> I haven't noticed anyone referencing ensuring that you have adequate
> clearance between the baffles and the edges of the fins. I've not had the
> opportunity to fly yet, so I've not tinkered with this yet, but IIRC you
> need a bit of a gap between the fins and the baffles.
>
>
> glen matejcek
> aerobubba@earthlink.net
>
> I don't think this is correct, Glen.
>
> Dan Hopper
> RV-7A 200 HP Angle Valve IO-360, No gap and no cooling problem.
>
> *
>
> href="http://www.aeroelectric.com">www.aeroelectric.com
> href="http://www.buildersbooks.com">www.buildersbooks.com
> href="http://www.kitlog.com">www.kitlog.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?RV-List">http://www.matronics.com/Navigator?RV-List
> *
>
> *
>
>
> *
>
>
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! --
|