From: lml@lancaironline.net
Subject: lml Digest #3493
Date: Sat, 27 Aug 2011 06:00:02 -0400
Lancair Mailing List Digest #3493
1) Want to trade your IV for a Cirrus?
by Berni <bbreen@cableone.net>
2) Re: Rain in the cockpit...
by John Hafen <j.hafen@comcast.net>
3) Fuel caps, LNC2
by "George Shattuck" <gws37@plantationcable.net>
4) Re: How do I run lean of peak?
by Paul Bricker <pbricker@att.net>
5) Re: Paint
by Jeff Pelletier <Loantracy@sbcglobal.net>
6) Re: LOP effect on CHT
by Colyn Case <colyncase@earthlink.net>
7) Re: finding the right altitude in a 4P
by Craig Gainza <cgainza@msn.com>
8) Re: LNC2 Fuel Caps
by Matt Hapgood <matt.hapgood@alumni.duke.edu>
9) Finding the right altitude in a 4P
by paul miller <paul@tbm700.com>
10) Re: Nice weekend at a fly-in
by "Bill Harrelson" <n5zq@verizon.net>
11) Re: LOP effect on CHT
by paul miller <paul@tbm700.com>
12) Almost completed LIVP for sale
by "John Petersen" <johnp@arlingtoninstitute.org>
13) Re: LNC2 Fuel Caps
by vtailjeff@aol.com
14) Re: LNC2 Fuel Caps
by "Danny Miller" <danny.miller@verizon.net>
15) Re: How do I run lean of peak?
by Walter Atkinson <walter@advancedpilot.com>
16) Re: In-flight Mag Check?
by Gary Casey <casey.gary@yahoo.com>
17) Re: How do I run lean of peak?
by Gary Casey <casey.gary@yahoo.com>
18) Re: Spark plugs
by don Grabiel <grabiel71@gmail.com>
19) Re: LOP effect on CHT
by Walter Atkinson <walter@advancedpilot.com>
20) Wing Cuffs and more
by "Nicholas Paczkowski" <npaczkowski@telus.net>
21) Re: N927LE Returning From Moscow Airshow (Russia)
by <marv@lancair.net>
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--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:00 -0400
Subject: Want to trade your IV for a Cirrus?
From: bbreen@cableone.net
I own a 2007 Cirrus SR22GTS Turbo with every option including A/C and Avidyne panel still under warranty. Engine still under warranty. I just had a new DFC90 digital autopilot installed also under warranty. It is a mint condition airplane with 600 hours TTA&E, hangered 100% of the time. Interior 10, exterior 10. Maintained by the best Cirrus certified shop in the country.
I want to trade for a Lancair IV in the same condition. I have owned a normally aspirated IV and a turbine. I am open to a trade for any well built, mint condition IV. My airplane is worth a solid $350,000 and will actually sell for that number or close to it.
Let me know if you are interested.
Sent from my iPad
Berni
228 342-2521
Bbreen@cableone.net
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:00 -0400
Subject: Re: [LML] Rain in the cockpit...
From: j.hafen@comcast.net
Ron:
If you really want to keep rain out of the cockpit, go slower in the pattern, and to be able to carry a ton of stuff, I would recommend a Cessna T210. The nice high wing keeps the elements out while you load a Corvette engine in the back where you have taken out the back 4 seats. The CG and load carrying capacity is such that it is hard to physically over load, although I think I did accomplish that a few times.
Of course, you give up a about 100 knots, and the chicks don't dig you as much. But at least you don't have to carry a towel in the cockpit.
John Hafen
IVP 414AJ, 330 hours
On Aug 25, 2011, at 7:48 AM, Ronald STEVENS wrote:
Hello guys
As you probably are aware I am flying my .... off in my Lancair 4p. I did more than 50 hours now within 1 month. And the flying has been a blast, a revelation, a learning experience beyond my imagination.
However sometimes you are stumbling on little facts that is kind of surprising and will get your attention fast LOL
For example, last time I flew into KORL (Orlando Executive) I got surprised by a steep sink rate (I was heavy, 2 pilots over 500pound, luggage 80 pounds, full fuel), I landed almost without any flare.
I noticed this a few times when I was slow in my downwind (like just 100) and before you know it you are getting back on the power curve so much that it can surprise you a lot.
So off course I will keep my speed up in the pattern, as 120 is actually a good speed, not too fast and still a good angle of attack, 110 base and final, and only on short final pulling power.
But my question here is......each time I am in rain, and I release the door seal....it starts training inside the plane. Now in the summer this is not a big deal, but when it is getting colder.....brrrrrr
Is there anything you can do to prevent this? (besides keeping a towel in the cabin LOL)
Also......how do I maintain the door seal in a good condition? Thanks
== Ronald (>50 hours and counting)
--
For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: gws37@plantationcable.net
Subject: Fuel caps, LNC2
Over the last 15 years or so I have regularly put a
few drops of Marvel Mystery Oil (MMO) onto and around the rubber "O" ring on the
fuel cap. Over time they dry out and will not compress, e.g. slide on the
metal as the tab is closed. I have the original fuel
caps.
I also put MMO in my fuel at the recommended rate
per gallon.
George Shattuck
LNC2, 1500 hrs+/-
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
Subject: Re: [LML] Re: How do I run lean of peak?
From: pbricker@att.net
Robert is correct that many engines can run LOP right out of the box. I
wasn't as lucky with my IO-550N from Performance. I had 1.7 gph spread!
GAMI initially sent a set of "E" sized injectors to get me in the
ballpark, and then we swapped out 3 and 4 with "F"'s, and the spread was
down to 0.2 gph. The engine loved running LOP. I ran my ES WOT, 2500 rpm
at 10,000 at ~ 11.5 gph and 184 KTAS.
Paul Bricker
On 8/25/11 7:48 AM, "Lancair" <lancair-esp@ustek.com> wrote:
>A lot has been written about GAMI injectors but they are far from
>required for LoP operation. I had a Lyc IO360 by Aero Sport Power,
>Kamloops BC in my GlaStar and ran the GAMI fuel burn test. The fuel
>flows were beautifully balanced and I ran LoP just fine. The plugs were
>clean at every check and I had 500 hrs on it when I sold it. Changed the
>plugs once. Saved 1.5 gph as I recall.
>
>After break-in of my Cont. TSIO550 by Performance (yes, THAT Performance)
>I ran the same burn test and lo and behold it too had great balance. All
>cylinders peaked at about the same time although at different
>temperatures. I cruise it TIT 1550-1600, EGT 100F LoP 17.3 gph set at
>2500rpm and 32˛. Plugs are clean and the engine runs smoothly.
>
>Aircraft have run LoP for decades without GAMI injectors, so test the
>engine before you hurry to pay the cost.
>
>Robert M. Simon
>ES-P N301ES
>
>From: Danny Miller [mailto:danny.miller@verizon.net]
>Subject: RE: How do I run lean of peak?
>Gary, et.al,
>I certainly canąt speak to what others are getting but I have GAMI
>injectors and my engine has been flow balanced.
>--
>For archives and unsub
>http://mail.lancaironline.net:81/lists/lml/List.html
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: Loantracy@sbcglobal.net
Subject: Re: [LML] Re: Paint
I am in the paint stage and picking paint brand and type, what has been used ?
Has anyone used an acrylic urethane auto paint?
thanks
Jeff Pelletier
209.609.0233
Sent from my iPad
On Aug 25, 2011, at 7:48 AM, "Greenbacks, UnLtd." <N4ZQ@VERIZON.NET> wrote:
> Is there an ideal thickness of clear coat on top of a color base?
> How about leading edges in particular?
> For those of you who have recently painted a 320/360, what quantity of materials were required?
>
> Thanks,
>
> Angier Ames
> N4ZQ
> --
> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: colyncase@earthlink.net
Subject: Re: [LML] LOP effect on CHT
Well, one issue is you would like your oil hot enough to boil the water off.
On Aug 25, 2011, at 10:48 AM, Art Jensen wrote:
It is true that running LOP will cause the engine to run cooler. As you all know the Legacy doesn't have cowl flaps. I built my Legacy with inlets in the cowl that are 1/4 inch smaller in diameter to reduce cooling drag, tightened up the baffling to make use of all the cooling air and I find that running LOP at altitude my CHT's will run from 278 to 300 degrees. Since I could not find anything published regarding how cool you can run the engine, I asked a tech rep. from Continental how cool you can run the IO-550 engine and what damage would result should I do so. He indicated that that's the reason you don't find a published number. Is that possible?
At the temps mentioned above, my oil temp is 180 degrees.
So, I would like to hear from you regarding your thoughts on this subject. Thanks for your input.
Art Jensen |
From:
Walter Atkinson <walter@advancedpilot.com>;
To:
<lml@lancaironline.net>;
Subject:
[LML] Re: How do I run lean of peak?
Sent:
Mon, Aug 22, 2011 5:28:42 PM
But what is your actual hourly saving and is it worth the additional stress on your engines for the potentially much lower TBO? You decide and your mileage may vary.
400 million hours of flight data supports the fact that when run ROP, the TC-18 radial on the DC-7s had a TBO of 600 hours. When run LOP it had a TBO of 3600 hours. Yep, 3 thousand 6 hundred vs. 6 hundred hours. |
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: cgainza@msn.com
Subject: RE: [LML] finding the right altitude in a 4P
Ralf,
I use Seattle Avionics Voyager and fltpln.com. Voyager is a big program and is best used on a fast machine with decent sized memory. The preflight planning is a snap. It optimizes for altitudes after downloading weather.
I use fltpln.com primarily for recently accepted IFR routes.
Good luck,
Craig Gainza
To: lml@lancaironline.net
Date: Wed, 24 Aug 2011 14:36:43 -0400
From: bronnenmeier@GROBSYSTEMS.COM
Subject: [LML] finding the right altitude in a 4P
Dear subscribers,
One question bothers me for a while now and maybe someone can give me an
answer on it.
How do I find the right altitude with a head wind?
Usually winds get stronger when you go higher - at the same time the
plane goes faster when you go higher.
If I think long enough I probably could come up with a solution
calculating headwind components at different altitudes and comparing it
with the 3 kts speed increase per 100ft (Craig Berland's number).
How do you find your altitude without messing around for too long?
Thanks
Ralf
--
For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: matt.hapgood@alumni.duke.edu
Subject: Re: [LML] Re: LNC2 Fuel Caps
A big Thank You to everyone on the list who has called or email with suggestions and offers of help with my fuel cap challenge. I have ordered two new caps from Spruce (Lancair was out of stock) and will try to scavenge for parts so I can keep the polished part of my existing caps and also have spare stuff laying around the garage to annoy my wife.
Sincerely,
Matt
Matt,
The locking lever acts like a cam and goes over a
high point as it closes.
I suspect you've worn down the bump. See if
you can disassemble the cap and orient the parts so as to be able to file down
the spot on the bottom of the bump and thereby restore some of it's
prominence. Don't overdo it, - you need to take up the lost material with
the adjustment nut.
Mark Ravinski
----- Original Message -----
Sent: Wednesday, August 24, 2011 2:36
PM
Subject: [LML] LNC2 Fuel Caps
I am having a fuel cap crisis with my 360. Here's the quick
story:
1. I've been flying my 360 for 10 years. Never had any problem with
fuel caps.
2. Got the plane out of annual a few weeks ago
3. Now the little flip lever that wedges the cap closed will not
stay down. It pops up. Happened on one side, so I played around
with it a bit and loosened and tightened the nut at the bottom of the
cap. No help. Compared to other side and can see no
difference. Then, like an idiot, decided to lubricate the working sides'
o-ring (which I have done MANY time in the past). I just use engine oil
from the dipstick. Again, have done this MANY times over 10 years.
Now neither side will stay closed. I am 1300 NM (KEGE) from my home
base, and not a fan of flying with duct tape over the fuel caps. Short
of ordering new fuel caps, any suggestions?
Anyone had this problem with their fuel caps in the past?
Any help appreciated...
Matt Hapgood
919-619-3296
No virus found in this incoming message.
Checked by AVG -
www.avg.com
Version: 9.0.901 / Virus Database: 271.1.1/3854 - Release
Date: 08/24/11 02:34:00
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: paul@tbm700.com
Subject: [LML] Finding the right altitude in a 4P
I have Flitestar for the TBM which is great for fuel planning with integrated winds. Used on the Lancair to test whether going high will help or hurt.
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: n5zq@verizon.net
Subject: Re: [LML] Re: Nice weekend at a fly-in
Yep, almost exactly the same...5 gallons each.
Bill Harrelson
N5ZQ 320 1,950 hrs
N6ZQ IV under construction
-----Original Message-----
From: Dr. Weinsweig
Sent: Thursday, August 25, 2011 10:48 AM
To: lml@lancaironline.net
Subject: [LML] Re: Nice weekend at a fly-in
awesome!....but did the amount of urine in bottles at the end of the flight
equal the amount of remaining fuel?!?!
david weinsweig
n750dw propjet
weinsweigd@gmail.com
>>> n5zq@verizon.net 08/22/2011 1:28 PM >>>
Got back to Virginia (VA42, Fredericksburg) last night after attending a
fly-in at Flabob airport (KRIR) in Riverside, CA. I flew NONSTOP both ways.
http://flightaware.com/live/flight/N5ZQ
Not too bad for a little 2 place homebuilt. I have removable extra tanks for
a total capacity of 85 gallons. I landed at Flabob with an hour of fuel in
the tank, I landed in Fredericksburg with 4 hours remaining.
Bill Harrelson
N5ZQ 320 1,950 hrs
N6ZQ IV under construction
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:01 -0400
From: paul@tbm700.com
Subject: Re: [LML] LOP effect on CHT
Art, I've been tracking baffling baffling issues for some time in my Legacy. I run much hotter CHTs (closer to 380 in cruise) but my oil temp is down to 158F with the door wide open in warm weather (during cruise, not takeoff or ground). My hangar mate Legacy runs in the 310-320 range on the same flights so I know I have a leak. I tested one flight a few weeks ago with 1 piece of tape to hold the baffle tight up front and my temps dropped to 320F immediately after takeoff in warm Florida. The tape blew off before the end of the flight but it told me where to look. As far as too cool CHTs, I don't think that's a problem. If you ran 300F all day long I can't see how that would hurt anything and that's in the Green range, right?
Here is a picture of where my tape went to seal the baffle against the cowl. I assume it was flapping in flight or opening up in this region. 4 inches tape = 80 degree drop in CHTs across the board.
On 2011-08-25, at 8:48 AM, Art Jensen wrote:
...how cool you can run the IO-550 engine |

--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: johnp@arlingtoninstitute.org
Subject: Almost completed LIVP for sale
I have an almost completed, very well-built LIVP for sale. It has an
American Eagle V-8 500 hp, liquid cooled engine. This engine was designed
using the most advanced internal combustion technologies specifically for
the LIVP. The firewall forward components and blended winglets were designed
by a Boeing design engineer for this airplane. It has a two display Chelton
glass panel with Garmin, TruTrak, Icom, etc. units. Three GPS sources.
Body in primer. Two front seats upholstered. Rest of leather available.
Had engine running and then engine control unit software got corrupted.
Needs a new ECU OEM or after market system. No known problems except the
engine ECU.
Wife wants me out of this project. Have over $600K in it. Will sell for
$200. Located in Merritt Island, FL
If interested, let me know and I'll provide PowerPoint show of photos.
John L. Petersen
Berkeley Springs, West Virginia, 25411
USA
Mobile: +1-703-623-1944
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: vtailjeff@aol.com
Subject: Re: [LML] Re: LNC2 Fuel Caps
Duct tape will not come off.
Sent from my iPad
On Aug 25, 2011, at 7:48 AM, Berni <bbreen@cableone.net> wrote:
> If you are forced to fly with no other solution I would suggest using aluminum (sometimes called speed tape) tape. It will not come off in flight. This would be a much better temporary solution than duct tape.
>
> Sent from my iPad
> Berni Breen
> Bbreen@cableone.net
>
> On Aug 24, 2011, at 1:36 PM, Matt Hapgood <matt.hapgood@alumni.duke.edu> wrote:
>
>> I am having a fuel cap crisis with my 360. Here's the quick story:
>>
>> 1. I've been flying my 360 for 10 years. Never had any problem with fuel caps.
>> 2. Got the plane out of annual a few weeks ago
>> 3. Now the little flip lever that wedges the cap closed will not stay down. It pops up. Happened on one side, so I played around with it a bit and loosened and tightened the nut at the bottom of the cap. No help. Compared to other side and can see no difference. Then, like an idiot, decided to lubricate the working sides' o-ring (which I have done MANY time in the past). I just use engine oil from the dipstick. Again, have done this MANY times over 10 years.
>>
>> Now neither side will stay closed. I am 1300 NM (KEGE) from my home base, and not a fan of flying with duct tape over the fuel caps. Short of ordering new fuel caps, any suggestions?
>>
>> Anyone had this problem with their fuel caps in the past?
>>
>> Any help appreciated...
>>
>> Matt Hapgood
>> 919-619-3296
>
> --
> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: danny.miller@verizon.net
Subject: RE: [LML] LNC2 Fuel Caps
I disagree. Duct tape is fine and probably easier to remove than the
aluminum tape. I've used standard duct tape on military flights in testing
and found that it holds just fine and only begins to separate at mach 1 as
the wave passes over it.
Danny Miller
N 38° 43' 25.7"
W 77° 30' 38.6"
-----Original Message-----
From: Berni [mailto:bbreen@cableone.net]
Sent: Thursday, August 25, 2011 10:49 AM
To: lml@lancaironline.net
Subject: Re: [LML] LNC2 Fuel Caps
If you are forced to fly with no other solution I would suggest using
aluminum (sometimes called speed tape) tape. It will not come off in
flight. This would be a much better temporary solution than duct tape.
Sent from my iPad
Berni Breen
Bbreen@cableone.net
On Aug 24, 2011, at 1:36 PM, Matt Hapgood <matt.hapgood@alumni.duke.edu>
wrote:
> I am having a fuel cap crisis with my 360. Here's the quick story:
>
> 1. I've been flying my 360 for 10 years. Never had any problem with fuel
caps.
> 2. Got the plane out of annual a few weeks ago
> 3. Now the little flip lever that wedges the cap closed will not stay
down. It pops up. Happened on one side, so I played around with it a bit
and loosened and tightened the nut at the bottom of the cap. No help.
Compared to other side and can see no difference. Then, like an idiot,
decided to lubricate the working sides' o-ring (which I have done MANY time
in the past). I just use engine oil from the dipstick. Again, have done
this MANY times over 10 years.
>
> Now neither side will stay closed. I am 1300 NM (KEGE) from my home base,
and not a fan of flying with duct tape over the fuel caps. Short of
ordering new fuel caps, any suggestions?
>
> Anyone had this problem with their fuel caps in the past?
>
> Any help appreciated...
>
> Matt Hapgood
> 919-619-3296
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
Subject: Re: [LML] Re: How do I run lean of peak?
From: walter@advancedpilot.com
On Aug 25, 2011, at 8:48 AM, Lancair wrote:
Aircraft have run LoP for decades without GAMI injectors, so test the engine before you hurry to pay the cost.
That's certainly true and GAMI agrees. They are not interested in selling anyone something they don't need.
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: casey.gary@yahoo.com
Subject: Re: In-flight Mag Check?
Craig,
Thanks for the suggestion. But you didn't state which of the three types you recommend..... :-). Ah, never mind - I think I just figured it out.
I've always worried
about moving the ignition switch in flight (as John reported), so in my ES I installed two independent switches, one for each ignition. That eliminates a single point of failure.
Gary Casey
John,
Yes, not a bad idea….however….I have done three different types of cruise mag checks.
1. I was flying by myself. Obtained desired data.
2. Flying with better half and failed to “inform” her I was going to do a mag check.
3. Flying with better half and
informed her I was going to do a mag check and one mag was failed. (Engine stopped…)
As an honorable man, I can only recommend one of the three methods.
If one mag if bad and engine stops, I recommend you pull mixture to idle cutoff, switch back to both mags and then
slowly advance mixture and set proper fuel flow. Simply switching back to both mags can cause unwanted noises when the fuel in the exhaust ignites. Unwanted noises can cause bruising around your neck.
Craig Berland
IV-P N7VG
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: casey.gary@yahoo.com
Subject: Re: How do I run lean of peak?
Danny,
Then I don't entirely understand, as running 2400 at 10,000 puts you at about 62% power and and at 100 ROP you should be burning about 10 GPH. So if you are running 8.5 GPH you must be running LOP, or at least at peak, already. Yes, you will likely save about 1 to 1.5 GPH, or about $5 per hour. So to save the $1,000 of the course you will have to fly 200 hours. Not many, actually. Plus you will be getting better range (fewer fuel stops and the fuel stops you do make can be at lower fuel cost locations), longer spark plug, oil and engine life. Cleaning 8 spark plugs costs, what, maybe $100, so every little bit helps. When running
ROP I could barely get 100 hours between cleaning and at LOP they will easily go 200 hours. I think if you add up all the savings you will find that the course will pay for itself in 100 hours if, that is, you leave taking full advantage of the course. And that's not counting the value of the piece of mind that comes from knowing more about how the engine operates. Again, just my opinion.
Gary Casey
Gary,
et.al,
I certainly can’t speak to what others are getting but I have GAMI injectors and my engine has been flow balanced. On consistent 2.5 hour flights from VA to MI I indicate about 8.5 to 8.8 gph. This is backed up by the amount of fuel I replace in the tanks which is about 22 gal. – never been more but sometimes a little less. I fly at 2400 rpm and whatever MP I can get (usually about 21”) at 10,000 ft. So again, for me, the expense of this $995 course just doesn’t work out for my ROI.
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
Subject: Re: [LML] Spark plugs
From: grabiel71@gmail.com
Champion fine wire. There great. Don G. 722B
On Aug 25, 2011 10:53 AM, "Dico Reijers" <
dico@internetworks.ca> wrote:
> Hello,
>
> I am just wondering what type of spark plugs you guys are using? The
> regular ones or the fine wire ones? Also, which brand? I notice Tempest
> advertising their new "modern" plugs with no springs -- all solid state.
> They claim smoother running engines and less wasted fuel.
>
> -Dico
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: walter@advancedpilot.com
Subject: Re: [LML] LOP effect on CHT
Anything above about 230dF on the CHT is fine. Lycoming says 150dF. TCM does not publish a number.
Walter Atkinson
On Aug 25, 2011, at 8:48 AM, Art Jensen wrote:
It is true that running LOP will cause the engine to run cooler. As you all know the Legacy doesn't have cowl flaps. I built my Legacy with inlets in the cowl that are 1/4 inch smaller in diameter to reduce cooling drag, tightened up the baffling to make use of all the cooling air and I find that running LOP at altitude my CHT's will run from 278 to 300 degrees. Since I could not find anything published regarding how cool you can run the engine, I asked a tech rep. from Continental how cool you can run the IO-550 engine and what damage would result should I do so. He indicated that that's the reason you don't find a published number. Is that possible?
At the temps mentioned above, my oil temp is 180 degrees.
So, I would like to hear from you regarding your thoughts on this subject. Thanks for your input.
Art Jensen |
From:
Walter Atkinson <walter@advancedpilot.com>;
To:
<lml@lancaironline.net>;
Subject:
[LML] Re: How do I run lean of peak?
Sent:
Mon, Aug 22, 2011 5:28:42 PM
But what is your actual hourly saving and is it worth the additional stress on your engines for the potentially much lower TBO? You decide and your mileage may vary.
400 million hours of flight data supports the fact that when run ROP, the TC-18 radial on the DC-7s had a TBO of 600 hours. When run LOP it had a TBO of 3600 hours. Yep, 3 thousand 6 hundred vs. 6 hundred hours. |
--Forwarded Message Attachment--
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:38:27 -0400
From: npaczkowski@telus.net
Subject: Wing Cuffs and more
I am trying to locate the guys who do LIV wing cuffs and other aftermarket Lancair parts (ie carbon fibre rudder/ baggage door hinges/ emergency gear extension gas cylinder etc plus builder assist) who are located at the former Lancair facility at Redmond Airport. I thought that their name was Fibertech or something similar but now I cannot find them on the internet and I have lost their card. Any help would be appreciated. Thanks
Nick Paczkowski
--Forwarded Message Attachment--
From: marv@lancair.net
Subject: Re: N927LE Returning From Moscow Airshow (Russia)
To: lml@lancaironline.net
Date: Fri, 26 Aug 2011 18:39:55 -0400
Posted for ED MARTIN
<edmartintx@gmail.com>:
* I have some photos of N927LE meeting
Canadian
Customs after returning from a double TransAtlantic crossing and coming from
displaying at the Moscow
Airshow. At present time, I don't have
capability to upload to the LML but Pete Z also has many photos with
him
right now. Here's the LINK if you wish to post:
http://flightaware.com/live/flight/N927LE/history/20110824/1459Z/BGBW/CYYR
*