Today's Message Index:
----------------------
1. 09:56 AM - Re: Cowl Flaps (Robin Marks)
2. 03:12 PM - Re: brake fluid loss (Marcus Cooper)
3. 03:12 PM - New taxi procedures at controlled airports (Marcus Cooper)
4. 03:45 PM - Composites for RV10 (Dave Saylor)
5. 03:54 PM - Re: Cowl Flaps (Tim Olson)
6. 04:11 PM - Re: Cowl Flaps (Pascal)
7. 04:13 PM - Re: Cowl Flaps (Kelly McMullen)
8. 04:13 PM - Re: brake fluid loss (Tim Olson)
9. 04:24 PM - Re: Cowl Flaps (Tim Olson)
10. 04:35 PM - Re: Cowl Flaps (Deems Davis)
11. 05:07 PM - Re: Cowl Flaps (Ben Westfall)
12. 05:25 PM - Re: Composites for RV10 (Bill Watson)
13. 05:40 PM - trutrak adi (Chris)
14. 05:40 PM - Re: brake fluid loss (Marcus Cooper)
15. 05:46 PM - ~Re: Cowl Flaps (Robin Marks)
16. 05:54 PM - Re: brake fluid loss (Kelly McMullen)
17. 06:27 PM - Re: trutrak adi (Lenny Iszak)
18. 07:23 PM - Re: Cowl Flaps (Miller John)
19. 07:24 PM - Re: Re: trutrak adi (Chris)
20. 08:06 PM - Re: Cowl Flaps (Dick & Vicki Sipp)
21. 08:39 PM - Re: Cowl Flaps (Don McDonald)
Message 1
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Sounds like the answer is no.
I don't see the need if you are going standard vans cowl, 260 Hp engine
etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
splitter in the "wedge"
Why complicate things that already work. Adding cowl flaps will definitely
complicate the lower cowl assembly.
Robin
Do Not Archive
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
Sent: Monday, June 28, 2010 6:29 PM
Subject: RV10-List: Cowl Flaps
Any one build cowl flaps for the rv-10?
Message 2
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| Subject: | brake fluid loss |
I had a leak in a caliper with a bad 'O' ring on the cylinder. You could
see the fluid on the inside of the wheel pant but to be honest it took some
time to realize why I had fluid loss in the brake lines. FWIW, with all the
hate and discontent about the standard brake lines, I sure was glad to see
that giant air bubble prior to actually losing brakes (not intended to start
any comments, just an observation on my part ;) ).
Marcus
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of DLM
Sent: Monday, June 28, 2010 10:53 AM
Subject: RV10-List: brake fluid loss
After last bleeding of the brakes, we had near full lines. Now we have air
in the lines between the reservoir and the right seat brake cylinders.
Initially we found a 5606 residue on the firewall below the reservoir.
Cleaned that off and do not have it now but clear lines from the reservoir
to the right seat cylinders. At the annual in April, opened the tunnel and
cleaned the fuel filter. No seep from the brake lines was observed. My lines
have a union at the forward and a bulkhead fitting where the lines exit the
tunnel under the seats. No seep was observed there in April. The only thing
not checked in April was the bulkhead fitting to the SS braided Teflon lines
to the brake calipers and the brake calipers Whatever loss is occurring is a
seep and very slowly but we want to fix. Anyone else experience this?
Message 3
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| Subject: | New taxi procedures at controlled airports |
At little off topic but in case the word is slow to get out a new procedure
takes effect on 30 Jun this may help. No longer will you ever be cleared to
taxi to a runway that involves crossing other runways along the way. Not a
big deal as you just follow their clearance and you are good to go, you just
might realize more stop and go and unused runways. Here's the info from the
FAA (http://www.faa.gov/airports/runway_safety/news/current_events/taxi_to/
):
Explicit Runway Crossing Procedure Change
Beginning June 30, 2010, controllers will be required to issue explicit
instructions to cross or hold short of each runway that intersects a taxi
route.
"Taxi to" will no longer be used when issuing taxi instructions to an
assigned take-off runway.
Instructions to cross a runway will be issued one at a time. Instructions to
cross multiple runways will not be issued. An aircraft or vehicle must have
crossed the previous runway before another runway crossing is issued.
This applies to any runway including inactive or closed runways.
Changes will also be made to the AIM and AIP to reflect the new procedures.
Never cross a hold line without explicit ATC instructions. If in doubt ASK!
Reminder: You may not enter a runway unless you have been: instructed to
cross that specific runway; cleared to take off from that runway; or
instructed to position and hold on that specific runway.
For more information on the change, refer to FAA Order N JO 7110.532, which
can be found at:
http://www.faa.gov/documentLibrary/media/Notice/N7110.532.pdf.
For additional information, go to http://www.faa.gov/go/runwaysafety
Marcus
40286
Message 4
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| Subject: | Composites for RV10 |
We had been tentatively scheduled for an RV10 Composites class July 17-18
but I've decided to delay it until after Oshkosh. If you'd like to attend
please send me a note so I can start a count. Tentative dates will be in
mid-September.
If anyone would like us to fit their cabin top, please let me know. We'll
do it for you during the class, no charge.
Also, if there are other types of classes people would be interested in,
either for building or flying, please let me know. I'd be happy to present
or host whatever people want to see.
Dave Saylor
AirCrafters
140 Aviation Way
Watsonville, CA 95076
831-722-9141 Shop
831-750-0284 Cell
Message 5
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You know, that oil cooler splitter thing.....I actually think
my oil temps are now more of an issue since adding that splitter
vane. These days I hit higher temps on climbout than I used
to. I may actually remove mine, as now that I've had it
closer to a year, I'm finding that I get oil > 200F in
a climb even on cooler days, whereas I didn't have that
happen until the splitter. I almost ALWAYS cruised at 185F
before too, and now I find I may end up at 190 or 192 or
something higher. No, that's not hot, but I can hit 215F
in a climb now, on a 65F degree day. Used to never have
that issue. It may make better airflow distribution, but
it may be restricting or something. Or perhaps I did a bad
job installing it. At any rate, I know I didn't see any
appreciably decrease in temps, so at best I think it
did nothing. I'm just hoping it isn't worse than nothing.
Tim Olson - RV-10 N104CD
do not archive
On 6/29/2010 11:46 AM, Robin Marks wrote:
> --> RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>
> Sounds like the answer is no.
> I don't see the need if you are going standard vans cowl, 260 Hp engine
> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
> splitter in the "wedge"
> Why complicate things that already work. Adding cowl flaps will definitely
> complicate the lower cowl assembly.
>
> Robin
> Do Not Archive
>
>
> -----Original Message-----
> From: owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
> Sent: Monday, June 28, 2010 6:29 PM
> To: rv10-list@matronics.com
> Subject: RV10-List: Cowl Flaps
>
> --> RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>
> Any one build cowl flaps for the rv-10?
>
Message 6
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let us know what you see when you take the splitter out.
--------------------------------------------------
From: "Tim Olson" <Tim@myrv10.com>
Sent: Tuesday, June 29, 2010 1:07 PM
Subject: Re: RV10-List: Cowl Flaps
>
> You know, that oil cooler splitter thing.....I actually think
> my oil temps are now more of an issue since adding that splitter
> vane. These days I hit higher temps on climbout than I used
> to. I may actually remove mine, as now that I've had it
> closer to a year, I'm finding that I get oil > 200F in
> a climb even on cooler days, whereas I didn't have that
> happen until the splitter. I almost ALWAYS cruised at 185F
> before too, and now I find I may end up at 190 or 192 or
> something higher. No, that's not hot, but I can hit 215F
> in a climb now, on a 65F degree day. Used to never have
> that issue. It may make better airflow distribution, but
> it may be restricting or something. Or perhaps I did a bad
> job installing it. At any rate, I know I didn't see any
> appreciably decrease in temps, so at best I think it
> did nothing. I'm just hoping it isn't worse than nothing.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 6/29/2010 11:46 AM, Robin Marks wrote:
>> --> RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>>
>> Sounds like the answer is no.
>> I don't see the need if you are going standard vans cowl, 260 Hp engine
>> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
>> splitter in the "wedge"
>> Why complicate things that already work. Adding cowl flaps will
>> definitely
>> complicate the lower cowl assembly.
>>
>> Robin
>> Do Not Archive
>>
>>
>> -----Original Message-----
>> From: owner-rv10-list-server@matronics.com
>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
>> Sent: Monday, June 28, 2010 6:29 PM
>> To: rv10-list@matronics.com
>> Subject: RV10-List: Cowl Flaps
>>
>> --> RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>>
>> Any one build cowl flaps for the rv-10?
>>
>
>
>
Message 7
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I know on my Mooney (Lyc IO-360) the oil temp redline is 245. Due to
the placement of the oil cooler in a low pressure area (designed in
early '60s) oil temp normally runs 205-210. It isn't unusual to see
215-220 on climb out or doing practice maneuvers. Only opening cowl
flaps and reducing power are a help if increasing airspeed isn't an
option.
I wouldn't be bothered by 215 in the climb on a hot day, but at 65
degrees, that is hotter than it should be. I'd be thrilled if I could
keep my cruise oil temp at 200. Of course later models moved the oil
cooler behind left rear cylinder, attached to the baffling, that was
noticeable help, but that requires field approval on certified plane,
unlike our wonderful OBAM aircraft.
Kelly
On Tue, Jun 29, 2010 at 1:07 PM, Tim Olson <Tim@myrv10.com> wrote:
>
> You know, that oil cooler splitter thing.....I actually think
> my oil temps are now more of an issue since adding that splitter
> vane. These days I hit higher temps on climbout than I used
> to. I may actually remove mine, as now that I've had it
> closer to a year, I'm finding that I get oil > 200F in
> a climb even on cooler days, whereas I didn't have that
> happen until the splitter. I almost ALWAYS cruised at 185F
> before too, and now I find I may end up at 190 or 192 or
> something higher. No, that's not hot, but I can hit 215F
> in a climb now, on a 65F degree day. Used to never have
> that issue. It may make better airflow distribution, but
> it may be restricting or something. Or perhaps I did a bad
> job installing it. At any rate, I know I didn't see any
> appreciably decrease in temps, so at best I think it
> did nothing. I'm just hoping it isn't worse than nothing.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 6/29/2010 11:46 AM, Robin Marks wrote:
>>
>>
>> Sounds like the answer is no.
>> I don't see the need if you are going standard vans cowl, 260 Hp engine
>> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
>> splitter in the "wedge"
>> Why complicate things that already work. Adding cowl flaps will definitely
>> complicate the lower cowl assembly.
>>
>> Robin
>> Do Not Archive
>>
>>
>> -----Original Message-----
>> From: owner-rv10-list-server@matronics.com
>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
>> Sent: Monday, June 28, 2010 6:29 PM
>> To: rv10-list@matronics.com
>> Subject: RV10-List: Cowl Flaps
>>
>>
>> Any one build cowl flaps for the rv-10?
>>
>
>
Message 8
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| Subject: | Re: brake fluid loss |
Did you swap your o-rings for viton? I've heard that's a great
thing to do with these brakes...supposedly better life and
heat resistance. Another RV-10 buddy of mine got some for me
when he got his.
Tim Olson - RV-10 N104CD
do not archive
On 6/29/2010 4:56 PM, Marcus Cooper wrote:
> I had a leak in a caliper with a bad O ring on the cylinder. You
> could see the fluid on the inside of the wheel pant but to be honest it
> took some time to realize why I had fluid loss in the brake lines. FWIW,
> with all the hate and discontent about the standard brake lines, I sure
> was glad to see that giant air bubble prior to actually losing brakes
> (not intended to start any comments, just an observation on my part ;) ).
>
> Marcus
>
> *From:* owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] *On Behalf Of *DLM
> *Sent:* Monday, June 28, 2010 10:53 AM
> *To:* rv10-list@matronics.com
> *Subject:* RV10-List: brake fluid loss
>
> After last bleeding of the brakes, we had near full lines. Now we have
> air in the lines between the reservoir and the right seat brake
> cylinders. Initially we found a 5606 residue on the firewall below the
> reservoir. Cleaned that off and do not have it now but clear lines from
> the reservoir to the right seat cylinders. At the annual in April,
> opened the tunnel and cleaned the fuel filter. No seep from the brake
> lines was observed. My lines have a union at the forward and a bulkhead
> fitting where the lines exit the tunnel under the seats. No seep was
> observed there in April. The only thing not checked in April was the
> bulkhead fitting to the SS braided Teflon lines to the brake calipers
> and the brake calipers Whatever loss is occurring is a seep and very
> slowly but we want to fix. Anyone else experience this?
>
> * *
>
> * *
>
> - The RV10-List Email Forum utilities such as List Photoshare, and much
> much --> http://www.matronic================= - MATRONICS WEB FORUMS via
> the Web -->
> <http://www.matronics.com/Navigator?RV10-List>http://forums.matronics.comstyle='mso-spacerun:yes'>
> - List Contribution Web Site style='mso-spacerun:yes'> Thank you for
> your generous style='mso-spacerun:yes'> -Matt style='mso-spacerun:yes'>
> --> http://www.matronics.com/c= <http://www.matronics.com/contribution>
>
> * * <http://www.matronics.com/contribution>
>
> *
>
>
> *
Message 9
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Yeah, the temps themselves didn't cause me a huge concern,
but I didn't put that splitter in until I had maybe 500-ish
hours of time on the RV-10 to gain experience. Now, with
maybe another 100+ hours of time since then, I think my
temps are now higher, not lower, so I just am not convinced
that it's either a) necessary, or b) always helpful.
It *could* be, since nothing I tested is scientific, but
you kind of get a feel for things like this over that many
hours of operation. I just always could keep 185F in
cruise before....now it's not as easy.
Tim Olson - RV-10 N104CD
do not archive
On 6/29/2010 6:12 PM, Kelly McMullen wrote:
> --> RV10-List message posted by: Kelly McMullen<apilot2@gmail.com>
>
> I know on my Mooney (Lyc IO-360) the oil temp redline is 245. Due to
> the placement of the oil cooler in a low pressure area (designed in
> early '60s) oil temp normally runs 205-210. It isn't unusual to see
> 215-220 on climb out or doing practice maneuvers. Only opening cowl
> flaps and reducing power are a help if increasing airspeed isn't an
> option.
> I wouldn't be bothered by 215 in the climb on a hot day, but at 65
> degrees, that is hotter than it should be. I'd be thrilled if I could
> keep my cruise oil temp at 200. Of course later models moved the oil
> cooler behind left rear cylinder, attached to the baffling, that was
> noticeable help, but that requires field approval on certified plane,
> unlike our wonderful OBAM aircraft.
> Kelly
>
> On Tue, Jun 29, 2010 at 1:07 PM, Tim Olson<Tim@myrv10.com> wrote:
>> --> RV10-List message posted by: Tim Olson<Tim@myrv10.com>
>>
>> You know, that oil cooler splitter thing.....I actually think
>> my oil temps are now more of an issue since adding that splitter
>> vane. These days I hit higher temps on climbout than I used
>> to. I may actually remove mine, as now that I've had it
>> closer to a year, I'm finding that I get oil> 200F in
>> a climb even on cooler days, whereas I didn't have that
>> happen until the splitter. I almost ALWAYS cruised at 185F
>> before too, and now I find I may end up at 190 or 192 or
>> something higher. No, that's not hot, but I can hit 215F
>> in a climb now, on a 65F degree day. Used to never have
>> that issue. It may make better airflow distribution, but
>> it may be restricting or something. Or perhaps I did a bad
>> job installing it. At any rate, I know I didn't see any
>> appreciably decrease in temps, so at best I think it
>> did nothing. I'm just hoping it isn't worse than nothing.
>>
>> Tim Olson - RV-10 N104CD
>> do not archive
>>
>>
>> On 6/29/2010 11:46 AM, Robin Marks wrote:
>>>
>>> --> RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>>>
>>> Sounds like the answer is no.
>>> I don't see the need if you are going standard vans cowl, 260 Hp engine
>>> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
>>> splitter in the "wedge"
>>> Why complicate things that already work. Adding cowl flaps will definitely
>>> complicate the lower cowl assembly.
>>>
>>> Robin
>>> Do Not Archive
>>>
>>>
>>> -----Original Message-----
>>> From: owner-rv10-list-server@matronics.com
>>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
>>> Sent: Monday, June 28, 2010 6:29 PM
>>> To: rv10-list@matronics.com
>>> Subject: RV10-List: Cowl Flaps
>>>
>>> --> RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>>>
>>> Any one build cowl flaps for the rv-10?
>>>
>>
>>
>>
>>
>>
>
>
Message 10
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For all of the James cowl/plenum RV10 drivers. You will want to find
Alan Bickle @ OSH this year and talk and see what he's done re CHT and
Oil Temps. It was a lot of work, but I think he's nailed the solution.
Not to keep everyone in suspense, but his solution was bigger intake
rings. If you haven't painted you cowl, See Alan 1st!!!.
I just got back from a trip to Provo, Ut from PHX, and had Oil temps
peak @ 220 on climb (and that was a 120kt climb) and avg 205 on the way
up. Cyl #2 & #6 CHT's peaked @ 415-420! 40 deg ROP got them down to
under 400. OAT @ altitude 65-70 F.
BUT.........
25 degs LOP and CHT's dropped to 345-360 and OIL temps to 195. I'm
really happily surprised to see the cooling advantage that LOP brings
We had tail winds BOTH ways on our trip and still averaged 165kts GS @
11.2 gph! I'm liking this LOP stuff!!!!
Deems
On 6/29/2010 9:46 AM, Robin Marks wrote:
> --> RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>
> Sounds like the answer is no.
> I don't see the need if you are going standard vans cowl, 260 Hp engine
> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
> splitter in the "wedge"
> Why complicate things that already work. Adding cowl flaps will definitely
> complicate the lower cowl assembly.
>
> Robin
> Do Not Archive
>
>
> -----Original Message-----
> From: owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
> Sent: Monday, June 28, 2010 6:29 PM
> To: rv10-list@matronics.com
> Subject: RV10-List: Cowl Flaps
>
> --> RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>
> Any one build cowl flaps for the rv-10?
>
>
>
Message 11
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Tim James in the PDX area fitted a cowl flap on his plane. I've seen it but
it was a while ago and I don't recall much of the design accept that it
looked pretty simple and effective. He really likes it. Not sure if he's
active on this list or not for pictures/description.
Ben Westfall
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
Sent: Monday, June 28, 2010 6:29 PM
Subject: RV10-List: Cowl Flaps
Any one build cowl flaps for the rv-10?
Message 12
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| Subject: | Re: Composites for RV10 |
If you want to gain confidence w/composites, this will do it. I wasn'
t new to composites having owned a couple of sailplanes, but Dave & Tea
m are PROS. The post class consultation is part of the class (and oft
en shared here).
Recommend this highly if you want the training.
-- Sent from my Palm Pre
On Jun 29, 2010 3:25 PM, Dave Saylor <dave.saylor.aircrafters@gmail.com&
gt; wrote:
We had been tentatively scheduled for an RV10 Composites class July 17-18
but I've decided to delay it until after Oshkosh. If you'd like to
attend please send me a note so I can start a count. Tentative dates
will be in mid-September.
If anyone would like us to fit their cabin top, please let me know.
We'll do it for you during the class, no charge.
Also, if there are other types of classes people would be interested in, ei
ther for building or flying, please let me know. I'd be happy to pres
ent or host whatever people want to see.
Dave Saylor
AirCrafters
140 Aviation Way
Watsonville, CA 95076
831-722-9141 Shop
831-750-0284 Cell
Message 13
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Wondered if anyone has the true dimensions of the 2.25 inch trutrak ADI. The
hole dimension, the mounting screw hole locations, and the outside of the
front square part of the housing dimensions etc. Can't seem to find a
drawing anywhere.
Thanks
Chris Lucas
#40072
Message 14
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| Subject: | brake fluid loss |
Unfortunately I hadn't heard of viton. I put a standard replacement in and
it's been working great. I'll look into them though, thanks.
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tim Olson
Sent: Tuesday, June 29, 2010 6:44 PM
Subject: Re: RV10-List: brake fluid loss
Did you swap your o-rings for viton? I've heard that's a great
thing to do with these brakes...supposedly better life and
heat resistance. Another RV-10 buddy of mine got some for me
when he got his.
Tim Olson - RV-10 N104CD
do not archive
On 6/29/2010 4:56 PM, Marcus Cooper wrote:
> I had a leak in a caliper with a bad 'O' ring on the cylinder. You
> could see the fluid on the inside of the wheel pant but to be honest it
> took some time to realize why I had fluid loss in the brake lines. FWIW,
> with all the hate and discontent about the standard brake lines, I sure
> was glad to see that giant air bubble prior to actually losing brakes
> (not intended to start any comments, just an observation on my part ;) ).
>
> Marcus
>
> *From:* owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] *On Behalf Of *DLM
> *Sent:* Monday, June 28, 2010 10:53 AM
> *To:* rv10-list@matronics.com
> *Subject:* RV10-List: brake fluid loss
>
> After last bleeding of the brakes, we had near full lines. Now we have
> air in the lines between the reservoir and the right seat brake
> cylinders. Initially we found a 5606 residue on the firewall below the
> reservoir. Cleaned that off and do not have it now but clear lines from
> the reservoir to the right seat cylinders. At the annual in April,
> opened the tunnel and cleaned the fuel filter. No seep from the brake
> lines was observed. My lines have a union at the forward and a bulkhead
> fitting where the lines exit the tunnel under the seats. No seep was
> observed there in April. The only thing not checked in April was the
> bulkhead fitting to the SS braided Teflon lines to the brake calipers
> and the brake calipers Whatever loss is occurring is a seep and very
> slowly but we want to fix. Anyone else experience this?
>
> * *
>
> * *
>
> - The RV10-List Email Forum utilities such as List Photoshare, and much
> much --> http://www.matronic================= - MATRONICS WEB FORUMS via
> the Web -->
>
<http://www.matronics.com/Navigator?RV10-List>http://forums.matronics.comsty
le='mso-spacerun:yes'>
> - List Contribution Web Site style='mso-spacerun:yes'> Thank you for
> your generous style='mso-spacerun:yes'> -Matt style='mso-spacerun:yes'>
> --> http://www.matronics.com/c= <http://www.matronics.com/contribution>
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Message 15
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Interesting. It was mentioned to me more than a few times that the openings
on the James cowl are much larger than needed but when I look at the Cirrus
and Corvallis their inlet openings look larger than the James openings. The
downside to the Experimental world seems to be completely void of
aeronautical engineers.
Regarding LOP I have been flying LOP for ~30 hours now. I was hoping my last
restrictor change was to be my last but that change made the engine run
worse LOP. Unfortunately I cannot accurately balance my injectors because my
fuel flow bounces around too much to give accurate numbers. It bounces more
than the desired delta of first to last cylinder one looks for in a finely
tuned injector package. That being said in my prior setup I was able to fly
LOP at ~11.2-11.5 GPH at 155 TAS with lower cylinder temps as described.
Robin
*From:* owner-rv10-list-server@matronics.com [mailto:
owner-rv10-list-server@matronics.com] *On Behalf Of *Deems Davis
*Sent:* Tuesday, June 29, 2010 4:35 PM
*To:* rv10-list@matronics.com
*Subject:* Re: RV10-List: Cowl Flaps
For all of the James cowl/plenum RV10 drivers. You will want to find Alan
Bickle @ OSH this year and talk and see what he's done re CHT and Oil Temps.
It was a lot of work, but I think he's nailed the solution. Not to keep
everyone in suspense, but his solution was bigger intake rings. If you
haven't painted you cowl, See Alan 1st!!!.
I just got back from a trip to Provo, Ut from PHX, and had Oil temps peak @
220 on climb (and that was a 120kt climb) and avg 205 on the way up. Cyl #2
& #6 CHT's peaked @ 415-420! 40 deg ROP got them down to under 400. OAT @
altitude 65-70 F.
BUT.........
25 degs LOP and CHT's dropped to 345-360 and OIL temps to 195. I'm really
happily surprised to see the cooling advantage that LOP brings
We had tail winds BOTH ways on our trip and still averaged 165kts GS @ 11.2
gph! I'm liking this LOP stuff!!!!
Deems
On 6/29/2010 9:46 AM, Robin Marks wrote:
<robin@painttheweb.com>
Sounds like the answer is no.
I don't see the need if you are going standard vans cowl, 260 Hp engine
etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
splitter in the "wedge"
Why complicate things that already work. Adding cowl flaps will definitely
complicate the lower cowl assembly.
Robin
Do Not Archive
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com
<owner-rv10-list-server@matronics.com>] On Behalf Of Tom Koelzer
Sent: Monday, June 28, 2010 6:29 PM
Subject: RV10-List: Cowl Flaps
Any one build cowl flaps for the rv-10?
* *
* *
* *
Message 16
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| Subject: | Re: brake fluid loss |
Viton O-rings are but one option. Some folks really like
fluorosilcone O-rings. See Fluorosilicone O-Ring
http://www.csobeech.com/o-Rings.html for detail. Available from
Genuine Aircraft Hardware. Depends which characteristics are most
important. The standard mil spec aren't all that great..adequate, but
there is better.
On Tue, Jun 29, 2010 at 5:24 PM, Marcus Cooper <coop85@verizon.net> wrote:
>
> Unfortunately I hadn't heard of viton. I put a standard replacement in and
> it's been working great. I'll look into them though, thanks.
>
> -----Original Message-----
> From: owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tim Olson
> Sent: Tuesday, June 29, 2010 6:44 PM
> To: rv10-list@matronics.com
> Subject: Re: RV10-List: brake fluid loss
>
>
> Did you swap your o-rings for viton? I've heard that's a great
> thing to do with these brakes...supposedly better life and
> heat resistance. Another RV-10 buddy of mine got some for me
> when he got his.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 6/29/2010 4:56 PM, Marcus Cooper wrote:
>> I had a leak in a caliper with a bad 'O' ring on the cylinder. You
>> could see the fluid on the inside of the wheel pant but to be honest it
>> took some time to realize why I had fluid loss in the brake lines. FWIW,
>> with all the hate and discontent about the standard brake lines, I sure
>> was glad to see that giant air bubble prior to actually losing brakes
>> (not intended to start any comments, just an observation on my part ;) ).
>>
>> Marcus
>>
>> *From:* owner-rv10-list-server@matronics.com
>> [mailto:owner-rv10-list-server@matronics.com] *On Behalf Of *DLM
>> *Sent:* Monday, June 28, 2010 10:53 AM
>> *To:* rv10-list@matronics.com
>> *Subject:* RV10-List: brake fluid loss
>>
>> After last bleeding of the brakes, we had near full lines. Now we have
>> air in the lines between the reservoir and the right seat brake
>> cylinders. Initially we found a 5606 residue on the firewall below the
>> reservoir. Cleaned that off and do not have it now but clear lines from
>> the reservoir to the right seat cylinders. At the annual in April,
>> opened the tunnel and cleaned the fuel filter. No seep from the brake
>> lines was observed. My lines have a union at the forward and a bulkhead
>> fitting where the lines exit the tunnel under the seats. No seep was
>> observed there in April. The only thing not checked in April was the
>> bulkhead fitting to the SS braided Teflon lines to the brake calipers
>> and the brake calipers Whatever loss is occurring is a seep and very
>> slowly but we want to fix. Anyone else experience this?
>>
>> * *
>>
>> * *
>>
>> - The RV10-List Email Forum utilities such as List Photoshare, and much
>> much --> http://www.matronic================= - MATRONICS WEB FORUMS via
>> the Web -->
>>
> <http://www.matronics.com/Navigator?RV10-List>http://forums.matronics.comsty
> le='mso-spacerun:yes'>
>> - List Contribution Web Site style='mso-spacerun:yes'> Thank you for
>> your generous style='mso-spacerun:yes'> -Matt style='mso-spacerun:yes'>
>> --> http://www.matronics.com/c= <http://www.matronics.com/contribution>
>>
>> * * <http://www.matronics.com/contribution>
>>
>> *
>>
>>
>> *
>
>
Message 17
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Chris,
I have one in my hand, but interestingly my caliper shows 2.24 horizontally and
2.26 vertically. Mine is definitely out of round.
Distance between the screw holes are 1.85 both vertically and horizontally. Diagonally
2.61.
Front box dimensions, 2.54 vertically and horizontally.
Depth is 5.90 + .75 the connectors.
Lenny
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=303051#303051
Message 18
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FWIW. My oil cooler setup remains stock Vans with exception of
butterfly valve put in this winter just aft of the baffling on the oil
cooler line (to keep temps higher in winter).
Hot days here in TN and my oil temps stay 185-190 on climb out as long
as I keep speed at or above 120.
grumpy
do not archive
On Jun 29, 2010, at 3:07 PM, Tim Olson wrote:
>
> You know, that oil cooler splitter thing.....I actually think
> my oil temps are now more of an issue since adding that splitter
> vane. These days I hit higher temps on climbout than I used
> to. I may actually remove mine, as now that I've had it
> closer to a year, I'm finding that I get oil > 200F in
> a climb even on cooler days, whereas I didn't have that
> happen until the splitter. I almost ALWAYS cruised at 185F
> before too, and now I find I may end up at 190 or 192 or
> something higher. No, that's not hot, but I can hit 215F
> in a climb now, on a 65F degree day. Used to never have
> that issue. It may make better airflow distribution, but
> it may be restricting or something. Or perhaps I did a bad
> job installing it. At any rate, I know I didn't see any
> appreciably decrease in temps, so at best I think it
> did nothing. I'm just hoping it isn't worse than nothing.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 6/29/2010 11:46 AM, Robin Marks wrote:
>> --> RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>>
>> Sounds like the answer is no.
>> I don't see the need if you are going standard vans cowl, 260 Hp
>> engine
>> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
>> splitter in the "wedge"
>> Why complicate things that already work. Adding cowl flaps will
>> definitely
>> complicate the lower cowl assembly.
>>
>> Robin
>> Do Not Archive
>>
>>
>> -----Original Message-----
>> From: owner-rv10-list-server@matronics.com
>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom
>> Koelzer
>> Sent: Monday, June 28, 2010 6:29 PM
>> To: rv10-list@matronics.com
>> Subject: RV10-List: Cowl Flaps
>>
>> --> RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>>
>> Any one build cowl flaps for the rv-10?
>>
>
>
Message 19
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Thanks!
-Chris
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Lenny Iszak
Sent: Tuesday, June 29, 2010 9:24 PM
Subject: RV10-List: Re: trutrak adi
Chris,
I have one in my hand, but interestingly my caliper shows 2.24 horizontally
and 2.26 vertically. Mine is definitely out of round.
Distance between the screw holes are 1.85 both vertically and horizontally.
Diagonally 2.61.
Front box dimensions, 2.54 vertically and horizontally.
Depth is 5.90 + .75 the connectors.
Lenny
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=303051#303051
Message 20
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Just for another data point, ditto John's configuration and results. I love
the butterfly valve for keeping temps up in the winter, easy to regulate oil
temp from cockpit. Stays open in the summer with the temps John reports.
Dick Sipp
--------------------------------------------------
From: "Miller John" <gengrumpy@aol.com>
Sent: Tuesday, June 29, 2010 10:16 PM
Subject: Re: RV10-List: Cowl Flaps
>
> FWIW. My oil cooler setup remains stock Vans with exception of butterfly
> valve put in this winter just aft of the baffling on the oil cooler line
> (to keep temps higher in winter).
>
> Hot days here in TN and my oil temps stay 185-190 on climb out as long as
> I keep speed at or above 120.
>
> grumpy
> do not archive
>
> On Jun 29, 2010, at 3:07 PM, Tim Olson wrote:
>
>>
>> You know, that oil cooler splitter thing.....I actually think
>> my oil temps are now more of an issue since adding that splitter
>> vane. These days I hit higher temps on climbout than I used
>> to. I may actually remove mine, as now that I've had it
>> closer to a year, I'm finding that I get oil > 200F in
>> a climb even on cooler days, whereas I didn't have that
>> happen until the splitter. I almost ALWAYS cruised at 185F
>> before too, and now I find I may end up at 190 or 192 or
>> something higher. No, that's not hot, but I can hit 215F
>> in a climb now, on a 65F degree day. Used to never have
>> that issue. It may make better airflow distribution, but
>> it may be restricting or something. Or perhaps I did a bad
>> job installing it. At any rate, I know I didn't see any
>> appreciably decrease in temps, so at best I think it
>> did nothing. I'm just hoping it isn't worse than nothing.
>>
>> Tim Olson - RV-10 N104CD
>> do not archive
>>
>>
>> On 6/29/2010 11:46 AM, Robin Marks wrote:
>>> --> RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>>>
>>> Sounds like the answer is no.
>>> I don't see the need if you are going standard vans cowl, 260 Hp engine
>>> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
>>> splitter in the "wedge"
>>> Why complicate things that already work. Adding cowl flaps will
>>> definitely
>>> complicate the lower cowl assembly.
>>>
>>> Robin
>>> Do Not Archive
>>>
>>>
>>> -----Original Message-----
>>> From: owner-rv10-list-server@matronics.com
>>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom Koelzer
>>> Sent: Monday, June 28, 2010 6:29 PM
>>> To: rv10-list@matronics.com
>>> Subject: RV10-List: Cowl Flaps
>>>
>>> --> RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>>>
>>> Any one build cowl flaps for the rv-10?
>>>
>>
>>
>>
>>
>
>
>
Message 21
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Without the butterfly valve I was seeing oil temps in the 156 to 166 range.
- When I reinstalled the valve, I could dial in practically any temperatu
re I wanted... up to 187.- Then in the Spring I totally remove it... to b
e-reinstalled in Oct Nov timeframe.
Don McDonald
--- On Tue, 6/29/10, Dick & Vicki Sipp <rsipp@earthlink.net> wrote:
From: Dick & Vicki Sipp <rsipp@earthlink.net>
Subject: Re: RV10-List: Cowl Flaps
Just for another data point, ditto John's configuration and results.- I l
ove
the butterfly valve for keeping temps up in the winter, easy to regulate oi
l
temp from cockpit.- Stays open in the summer with the temps John reports.
Dick Sipp
--------------------------------------------------
From: "Miller John" <gengrumpy@aol.com>
Sent: Tuesday, June 29, 2010 10:16 PM
Subject: Re: RV10-List: Cowl Flaps
>
> FWIW.- My oil cooler setup remains stock Vans with exception of- butt
erfly
> valve put in this winter just aft of the baffling on the oil- cooler li
ne
> (to keep temps higher in winter).
>
> Hot days here in TN and my oil temps stay 185-190 on climb out as long-
as
> I keep speed at or above 120.
>
> grumpy
> do not archive
>
> On Jun 29, 2010, at 3:07 PM, Tim Olson wrote:
>
>>
>> You know, that oil cooler splitter thing.....I actually think
>> my oil temps are now more of an issue since adding that splitter
>> vane.- These days I hit higher temps on climbout than I used
>> to.- I may actually remove mine, as now that I've had it
>> closer to a year, I'm finding that I get oil > 200F in
>> a climb even on cooler days, whereas I didn't have that
>> happen until the splitter.- I almost ALWAYS cruised at 185F
>> before too, and now I find I may end up at 190 or 192 or
>> something higher.- No, that's not hot, but I can hit 215F
>> in a climb now, on a 65F degree day.- Used to never have
>> that issue.- It may make better airflow distribution, but
>> it may be restricting or something.- Or perhaps I did a bad
>> job installing it.- At any rate, I know I didn't see any
>> appreciably decrease in temps, so at best I think it
>> did nothing.- I'm just hoping it isn't worse than nothing.
>>
>> Tim Olson - RV-10 N104CD
>> do not archive
>>
>>
>> On 6/29/2010 11:46 AM, Robin Marks wrote:
>>> -->- RV10-List message posted by: Robin Marks<robin@painttheweb.com>
>>>
>>> Sounds like the answer is no.
>>> I don't see the need if you are going standard vans cowl, 260 Hp- eng
ine
>>> etc... Maybe upgrade to the 2006 oil cooler and place the oil cooler
>>> splitter in the "wedge"
>>> Why complicate things that already work. Adding cowl flaps will
>>> definitely
>>> complicate the lower cowl assembly.
>>>
>>> Robin
>>> Do Not Archive
>>>
>>>
>>> -----Original Message-----
>>> From: owner-rv10-list-server@matronics.com
>>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Tom- Koelz
er
>>> Sent: Monday, June 28, 2010 6:29 PM
>>> To: rv10-list@matronics.com
>>> Subject: RV10-List: Cowl Flaps
>>>
>>> -->- RV10-List message posted by: Tom Koelzer<40950@rv10.net>
>>>
>>> Any one build cowl flaps for the rv-10?
>>>
>>
>>
>>
>>
>
>
>
le, List Admin.
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