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Search: Posts Made By: lr172
Forum: Traditional Aircraft Engines Today, 07:03 PM
Replies: 41
Views: 6,551
Posted By lr172
Have no idea what those sheets are. but know they...

Have no idea what those sheets are. but know they are not coked oil Reminds me of peanut brittle without the peanuts, though probably not a good idea to taste it:-). also pretty confident that the...
Forum: Traditional Aircraft Engines Today, 06:47 PM
Replies: 3
Views: 105
Posted By lr172
no. as low as the EIS will go.

no. as low as the EIS will go.
Forum: RV Ongoing Maintenance Issues Today, 10:03 AM
Replies: 4
Views: 318
Posted By lr172
The exhaust gasket needs a lot of crush force to...

The exhaust gasket needs a lot of crush force to seal. The 1/4" steel flange on the exh can handle this, but the thin aluminum intake flange cannot. Suggest you stick with recommended gaskets. ...
Forum: Traditional Aircraft Engines Today, 09:53 AM
Replies: 41
Views: 6,551
Posted By lr172
Yes that is normal. Usually will see a few in...

Yes that is normal. Usually will see a few in the filter, but not many. While coke is hard and brittle, it is not strong (you can crush it into dust between your fingers) and cannot survive the...
Forum: Traditional Aircraft Engines Today, 09:30 AM
Replies: 41
Views: 6,551
Posted By lr172
The particles in your pics match what I saw. Jet...

The particles in your pics match what I saw. Jet black in color, squarish shaped, jagged edge particles about a 1/16" in size and very hard and brittle - will change to dust (dry) or oil like liquid...
Forum: Glass Cockpit Yesterday, 11:38 AM
Replies: 39
Views: 2,878
Posted By lr172
Up until a month ago, Garmin was charging even...

Up until a month ago, Garmin was charging even for the data they got for free. I am thinking their business model DOES NOT support giving away stuff that is not free. The fact the someone else does...
Forum: Glass Cockpit Yesterday, 09:43 AM
Replies: 10
Views: 335
Posted By lr172
check engine config settings. If I recall...

check engine config settings. If I recall correctly, each alarm can be individually set up as different alarm notification (warning or caution) as well as with or without an audible alarm.
Forum: RV Ongoing Maintenance Issues Yesterday, 09:21 AM
Replies: 15
Views: 943
Posted By lr172
If you are going through a quart in 5 hours and...

If you are going through a quart in 5 hours and all of it is going out of the breather, I would not expect ANY separator to catch it all and also would expect quite a bit of oil coating the belly. ...
Forum: RV-14 Yesterday, 09:08 AM
Replies: 71
Views: 10,278
Posted By lr172
This kind of points to a fuel/mixture issue,...

This kind of points to a fuel/mixture issue, though could be ignition. rough running due to a sticking valve cannot be resolved with ignition or mixture changes. Not enough detail here to give...
Forum: RV Ongoing Maintenance Issues Yesterday, 08:56 AM
Replies: 14
Views: 926
Posted By lr172
Next time move your feet to various places on the...

Next time move your feet to various places on the floor while observing. On my 6, I find different vibration and sound patterns based upon where my feet are placed. Drumming of the bottom skin is a...
Forum: Traditional Aircraft Engines Yesterday, 08:31 AM
Replies: 41
Views: 6,551
Posted By lr172
IMHO, oil and additives like camgaurd will NOT...

IMHO, oil and additives like camgaurd will NOT cause this type of debris on their own. I remain convinced that these are chunks of coke (burned/oxidized oil that is mostly carbon and why it is so...
Forum: RV-10 Yesterday, 08:09 AM
Replies: 25
Views: 3,017
Posted By lr172
It is just a plain old stud with the only...

It is just a plain old stud with the only difference being that one side uses a slightly larger pitch diameter to make it an interference fit. Just go buy regular 1/4" studs for $.50 and use red loc...
Forum: Painting your RV 12-03-2022, 11:36 AM
Replies: 23
Views: 2,092
Posted By lr172
I think the real, unstated answer is "... because...

I think the real, unstated answer is "... because we can get away with it."
Forum: Glass Cockpit 12-03-2022, 11:27 AM
Replies: 21
Views: 675
Posted By lr172
a true optimist ;-) Definitely something we...

a true optimist ;-) Definitely something we should want in a NASA Flight director!
Forum: Glass Cockpit 12-02-2022, 12:33 PM
Replies: 21
Views: 675
Posted By lr172
section 35 is for touch. It would appear this is...

section 35 is for touch. It would appear this is not available on the non touch.:(
Forum: Glass Cockpit 12-02-2022, 10:43 AM
Replies: 21
Views: 675
Posted By lr172
Thanks for this!! I asked on this forum a year...

Thanks for this!! I asked on this forum a year or two ago and G3xpert said that it wouldn't compare to the G5. Hopefully this is available on my non touch setup.
Forum: RV-6/6A 12-02-2022, 10:27 AM
Replies: 30
Views: 1,495
Posted By lr172
From my research, it is the speeder spring that...

From my research, it is the speeder spring that is the big issue and not oil pressure. Once the engine RPM gets below a certain level (around 1600-1800 on a Hartzel S series) there is not enough...
Forum: Electronic Ignition Systems 12-02-2022, 10:07 AM
Replies: 11
Views: 930
Posted By lr172
It wouldn't. However, given that there are no EI...

It wouldn't. However, given that there are no EI offerings that only offer fixed timing, Hartzell has to assume that EI is synonymous with advance levels other than book values. Most people buy EI...
Forum: RV Ongoing Maintenance Issues 12-02-2022, 09:52 AM
Replies: 15
Views: 943
Posted By lr172
Blow by does not leave oilly plugs. Blow by by...

Blow by does not leave oilly plugs. Blow by by definition is a ring or ring/wall interface issue that allows compressed gasses past the rings into the crankcase. These gasses pressurizes the...
Forum: RV Ongoing Maintenance Issues 12-02-2022, 09:19 AM
Replies: 15
Views: 943
Posted By lr172
Oil leaves in 3 possible ways: leaks, blown out...

Oil leaves in 3 possible ways: leaks, blown out the breather as mist or burned off the cyl walls during combustion.

If the separator is doing it's job, losing 1 qt in 5 hours is probably not due to...
Forum: RV General Discussion/News 12-02-2022, 09:03 AM
Replies: 43
Views: 1,837
Posted By lr172
I used to fly a lot in the winter and the 2nd...

I used to fly a lot in the winter and the 2nd muff makes a big difference. I also attacked the side of the fuse at the spar attach area with foam and RTV, as well as boots for the push tubes. That...
Forum: Glass Cockpit 12-01-2022, 12:41 PM
Replies: 21
Views: 675
Posted By lr172
agree completely and wasn't suggesting that...

agree completely and wasn't suggesting that redundant 25's is a bad idea, just that a 25 and a G5 is better than two 25's. The automatic detection of differing AHARS data is a very powerfull feature...
Forum: Glass Cockpit 12-01-2022, 12:15 PM
Replies: 21
Views: 675
Posted By lr172
This my approach also. The G5 will provide...

This my approach also. The G5 will provide ADAHRS data to the G3x if the 25 fails, as long as you have a switch to turn off the 25, so it acts as a 2nd 25.. Not a believer in that Y2K bug stuff...
Forum: RV General Discussion/News 12-01-2022, 09:46 AM
Replies: 43
Views: 1,837
Posted By lr172
My heat does not blow anywhere near as hard as...

My heat does not blow anywhere near as hard as the vents. I believe this is due to the MANY restrictions in that system. You can look for flaws, but it is not designed to blow a lot of air. When...
Forum: RV-6/6A 12-01-2022, 09:16 AM
Replies: 30
Views: 1,495
Posted By lr172
We can agree to disagree on that. If your...

We can agree to disagree on that. If your hypothesis is correct, why does it take 150 - 200 amps (1800-2400 watts) to get one of these engines spinning at 200 RPM? In my experience, idle vs WOT...
Forum: RV General Discussion/News 12-01-2022, 08:26 AM
Replies: 43
Views: 1,837
Posted By lr172
I struggle to see how that is the issue. Do you...

I struggle to see how that is the issue. Do you get a nice and strong blast of air from the eyeball vents? The pressure of the air coming in via the heat circuit should be at a similar pressure and...
Forum: Fiberglass 12-01-2022, 08:01 AM
Replies: 6
Views: 838
Posted By lr172
put packing tape on the seam area of the aft half...

put packing tape on the seam area of the aft half and then reassemble. Apply micro or polyester filler (i.e. rage) around the seam area on the fwd half. Then attack with block and sandpaper until...
Forum: RV-6/6A 11-30-2022, 01:43 PM
Replies: 30
Views: 1,495
Posted By lr172
I am sure there is a small benefit, but MOST of...

I am sure there is a small benefit, but MOST of the resistance is from the compression stroke and not the vacuum from a closed throttle on the intake stoke. Many diesels let you lock the valves open...
Forum: ADS-B 11-30-2022, 09:44 AM
Replies: 12
Views: 677
Posted By lr172
I believe ADSB data includes both GPS altitude...

I believe ADSB data includes both GPS altitude and baro altitude. I know foreflight reports GPS altitude for me and for traffic and think that each app can choose which altitude to show on the...
Forum: Glass Cockpit 11-30-2022, 09:36 AM
Replies: 39
Views: 2,878
Posted By lr172
Thanks! +++++

Thanks! +++++
Forum: Glass Cockpit 11-30-2022, 09:23 AM
Replies: 39
Views: 2,878
Posted By lr172
Looking for a little guidance on terminology...

Looking for a little guidance on terminology here. Want to use this new free version. I am assuming that I still get the nice pretty color map on the MFD but want to be sure that this free DB still...
Forum: Electrical Systems 11-30-2022, 08:54 AM
Replies: 4
Views: 389
Posted By lr172
In the auto world, they do NOT separate high...

In the auto world, they do NOT separate high current and low current wires (starter feed is an exception and sometimes that Alt feed, but still plenty of 30 and 40 amp circuit wires bundled into the...
Forum: Glass Cockpit 11-30-2022, 08:42 AM
Replies: 42
Views: 4,561
Posted By lr172
Great news. I am in that years old DB camp, as I...

Great news. I am in that years old DB camp, as I use Foreflight for charts and the 430W for nav. Just don't want to spend $$ on another DB. Will this free DB include obstacle data in addition to...
Forum: RV General Discussion/News 11-29-2022, 09:22 AM
Replies: 55
Views: 5,012
Posted By lr172
My favorite power source! Best part is that Walt...

My favorite power source! Best part is that Walt can''t call it junk :-) Though I also feel as he does about the PP alt's.

Larry
Forum: Traditional Aircraft Engines 11-29-2022, 08:49 AM
Replies: 24
Views: 3,130
Posted By lr172
While detonation is more likely at max torque,...

While detonation is more likely at max torque, there is MUCH more to detonation than just torque. Load and torque do not necessarily go hand in hand, as torque is just an output measurement. In my...
Forum: Primers 11-28-2022, 09:08 AM
Replies: 11
Views: 532
Posted By lr172
We need to find what the OP means by primer. ...

We need to find what the OP means by primer. High build 2K primer is very different than epoxy primer, etc. A 1.7 or 1.8 tip is great for high build or other surfacing products, but will create...
Forum: Electronic Ignition Systems 11-28-2022, 08:56 AM
Replies: 22
Views: 1,280
Posted By lr172
Another reason to be very careful about where you...

Another reason to be very careful about where you get your advice and guidance. I run 35* of advance at idle on my 320 to improve idle performance. At 1000 it is back to 23, but find that it helps...
Forum: RV General Discussion/News 11-28-2022, 08:49 AM
Replies: 55
Views: 5,012
Posted By lr172
There are ground sink connections for both master...

There are ground sink connections for both master warning and master caution. Run 12V to an led (12V style, not stock LEDs) or incandescent lamp and then to these pins and you will have annunciation...
Forum: RV-3 11-27-2022, 12:26 PM
Replies: 57
Views: 2,869
Posted By lr172
glad it is going in the right direction. ...

glad it is going in the right direction. However, I am struggling to see how you picked up 30 knots by REMOVING the fairings. Not an Aero engineer, but wonder how that is possible without those...
Forum: Primers 11-27-2022, 12:11 PM
Replies: 15
Views: 1,120
Posted By lr172
No stress in hardened / tempered aluminum or...

No stress in hardened / tempered aluminum or un-hardened 6061-O for that matter; Not dealing with cast iron or welded steel here. I would NOT use bead blasting. Simple maroon pad (320-400 grit). ...
Forum: Traditional Aircraft Engines 11-27-2022, 10:04 AM
Replies: 21
Views: 1,133
Posted By lr172
I use the -4 ORB tap on the RSA to feed a block...

I use the -4 ORB tap on the RSA to feed a block that has both a transducer and a -4 return line to the tank. The return line has a valve to open and close the circuit. I use this to purge hot fuel...
Forum: RV Ongoing Maintenance Issues 11-27-2022, 09:46 AM
Replies: 4
Views: 294
Posted By lr172
Sounds right. Full rich is not full flow. The...

Sounds right. Full rich is not full flow. The servo uses airflow as the primary means to meter fuel. With the boost pump on, I would NOT expect pressures below 25 when full rich without the engine...
Forum: RV-14 11-21-2022, 11:20 AM
Replies: 7
Views: 498
Posted By lr172
thats what i did. I also used flox to insure a...

thats what i did. I also used flox to insure a snug fit.
Forum: RV Ongoing Maintenance Issues 11-21-2022, 11:01 AM
Replies: 8
Views: 731
Posted By lr172
There is a larger copper bar in that starter to...

There is a larger copper bar in that starter to feed the windings and mine cracked with very similar symptoms. Cranked but very sluggish. Never checked voltage drop.
Forum: Traditional Aircraft Engines 11-21-2022, 09:15 AM
Replies: 16
Views: 2,568
Posted By lr172
Possibly you don't live in a cold climate. Your...

Possibly you don't live in a cold climate. Your point about cranking is very valid and needs to be heeded by all without exception. However, there is simply no way you are going to get a lycoming...
Forum: Traditional Aircraft Engines 11-21-2022, 09:09 AM
Replies: 18
Views: 1,389
Posted By lr172
Given my thoughts and what I just read above, I...

Given my thoughts and what I just read above, I don't think you want me to tell you that. Send it to ASI and see what they can do for you.
Forum: RV-10 11-21-2022, 09:01 AM
Replies: 31
Views: 2,928
Posted By lr172
Pretty sure vans thinks that if you get shimmy,...

Pretty sure vans thinks that if you get shimmy, you should make and install wooden leg dampers. They went so far as to include the drawings and instructions for making and installing them in my 6A...
Forum: Traditional Aircraft Engines 11-20-2022, 02:16 PM
Replies: 18
Views: 1,389
Posted By lr172
Pretty sure that don't make helicoils that fat. ...

Pretty sure that don't make helicoils that fat. They are made to drill out just past the thread major diameter then re-tap, netting the same thread as original. You can probably find or make an...
Forum: RV-10 11-20-2022, 01:23 PM
Replies: 31
Views: 2,928
Posted By lr172
Not an aerospace engineer, but from what I have...

Not an aerospace engineer, but from what I have read, round is the very worst shape for drag.

Larry
Forum: Traditional Aircraft Engines 11-20-2022, 01:03 PM
Replies: 16
Views: 2,568
Posted By lr172
FYI, for a plate to act as a true choke, it must...

FYI, for a plate to act as a true choke, it must be upstream of the jets. Closing the throttle plate only reduces airflow. It does not increase the amount of fuel flowing relative to that air. ...
Forum: Traditional Aircraft Engines 11-20-2022, 12:56 PM
Replies: 16
Views: 2,568
Posted By lr172
Glad it helped someone. About 30* today and a...

Glad it helped someone. About 30* today and a guy on the ramp was just about to burn up his starter. 30 seconds of tips/education and it fired right up. Most don't realize the inverse, exponential...
Forum: Electrical Systems 11-20-2022, 10:02 AM
Replies: 10
Views: 760
Posted By lr172
In my case it was simply having an alt field...

In my case it was simply having an alt field breaker that couldn't satisfy the current required by the voltage regulator at full output. I fully understood at the time why it was tripping. My point...
Forum: Painting your RV 11-20-2022, 09:56 AM
Replies: 5
Views: 504
Posted By lr172
most metallic flake in paint is Mica, not metal. ...

most metallic flake in paint is Mica, not metal. However, there are countless different types used, so cannot say that ALL of it is non-metallic.
Forum: RV-10 11-20-2022, 09:32 AM
Replies: 31
Views: 2,928
Posted By lr172
I can't help but wonder if what makes this so...

I can't help but wonder if what makes this so variable (I have none on my 10) is the Toe. Last winter I restored a jeep for my son. We lifted it and did a bunch of front suspension work. WIth big...
Forum: RV-10 11-20-2022, 09:24 AM
Replies: 31
Views: 2,928
Posted By lr172
From my reading here, it would seem that from...

From my reading here, it would seem that from your list, the leg dampers are most likely to reduce it.
Forum: Traditional Aircraft Engines 11-20-2022, 09:05 AM
Replies: 20
Views: 1,588
Posted By lr172
I use EI and also have variable advance via a...

I use EI and also have variable advance via a pot, thought not this brand. Generally speaking rich mixtures like less advance and lean mixtures like more. Much above 25", I am at 25 degrees and...
Forum: Traditional Aircraft Engines 11-19-2022, 12:07 PM
Replies: 9
Views: 768
Posted By lr172
Yes, adding washers to see if the pressures come...

Yes, adding washers to see if the pressures come up is a great idea and certainly not discouraging it. However, I speculate that it won't help that much in the mid RPM ranges, maybe at 2700. The...
Forum: RV-10 11-19-2022, 08:47 AM
Replies: 31
Views: 2,928
Posted By lr172
+1 I have no issues with this on my 10 and...

+1

I have no issues with this on my 10 and haven't seem many others post about it either. I do believe that tire pressure can calm or excite this issue on the smaller models. I run 45 PSI on the...
Forum: Electrical Systems 11-19-2022, 08:17 AM
Replies: 10
Views: 760
Posted By lr172
Why do we need a compromise? I would argue that...

Why do we need a compromise? I would argue that one of the benefits of CB's on the panel is knowing if one has Popped and having the ability to easily reset it. Not sure how having this under the...
Forum: Electrical Systems 11-19-2022, 08:16 AM
Replies: 10
Views: 760
Posted By lr172
Why do we need a compromise. I would argue that...

Why do we need a compromise. I would argue that one of the benefits of CB's on the panel is knowing if one has Popped and having the ability to easily reset it. Not sure how having this under the...
Forum: Traditional Aircraft Engines 11-18-2022, 11:56 AM
Replies: 4
Views: 505
Posted By lr172
I'd focus on the pressure issues first. I...

I'd focus on the pressure issues first. I responded to that post. Shutter in front of cooler works better than behind. I only get 155-160 in the winter (no shutter). Engine hasn't rusted or blown...
Forum: Traditional Aircraft Engines 11-18-2022, 11:31 AM
Replies: 9
Views: 768
Posted By lr172
The pump is designed to deliver quite a bit more...

The pump is designed to deliver quite a bit more volume than that oil system can take and the regulator just bleeds excess volume to keep pressure below a maximum and that max is viscosity dependant....
Forum: Glass Cockpit 11-18-2022, 09:50 AM
Replies: 6
Views: 1,373
Posted By lr172
This was my understanding and fairly certain that...

This was my understanding and fairly certain that the tail number does not have to be programmed into the unit, though it may be possible that it can be.
Forum: RV-7/7A 11-18-2022, 09:33 AM
Replies: 11
Views: 2,797
Posted By lr172
Probably a failed sender. It is just a pot with...

Probably a failed sender. It is just a pot with a wiper going over a carbon trace and can intermittently fail open, which would explain some of your symptoms Best to put an ohmmeter on the sender...
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