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Search: Posts Made By: lr172
Forum: RV Ongoing Maintenance Issues Today, 07:34 AM
Replies: 44
Views: 6,161
Posted By lr172
I would expect this. Rubber tends to age better...

I would expect this. Rubber tends to age better when it is exercised regularly. Regular movement tends to slow down the hardening of most rubber.

Larry
Forum: Electronic Ignition Systems Yesterday, 09:34 PM
Replies: 15
Views: 446
Posted By lr172
Pin is used for initial placement of mag on...

Pin is used for initial placement of mag on engine. It should be removed before timing or rotating the engine or the mag.

Larry
Forum: RV-14 06-03-2020, 08:05 AM
Replies: 8
Views: 485
Posted By lr172
Not a 14 driver, but I have never felt pulsing in...

Not a 14 driver, but I have never felt pulsing in the stick of either the 6 or the 10, except with full aileron defection during a roll (in the 6 of course). I would be very surprised to learn that...
Forum: RV-10 06-03-2020, 07:53 AM
Replies: 5
Views: 304
Posted By lr172
The kavlico transducers get a 5 volt power source...

The kavlico transducers get a 5 volt power source and returns, linearly, .5 volts at 0 PSI and 4.5 volts at max (50 / 150 PSI). I suspect that maybe you fed them 12 volts instead of 5 volts. Most...
Forum: RV-12/RV-12iS 06-02-2020, 10:44 AM
Replies: 21
Views: 1,863
Posted By lr172
The ground wire on a lemo connector feeds both...

The ground wire on a lemo connector feeds both the power ground AND the headset speaker ground. I believe it is recommended that this ground wire connect to the intercom ground buss or headset...
Forum: Electrical Systems 06-01-2020, 01:04 PM
Replies: 44
Views: 3,456
Posted By lr172
everyone talks about this, however, the...

everyone talks about this, however, the likelihood of your engine having good oil pressure at the last shutdown and NOT having good oil pressure on the next startup are pretty remote. Losing an oil...
Forum: RV Ongoing Maintenance Issues 06-01-2020, 12:43 PM
Replies: 7
Views: 476
Posted By lr172
Don't know what FI you have, but the bendix unit...

Don't know what FI you have, but the bendix unit provides a very stable fuel delivery from around 12 PSI up to about 50-60 PSI of fuel pressure. I would be somewhat concerned that you have...
Forum: Primers 05-31-2020, 03:01 PM
Replies: 6
Views: 348
Posted By lr172
rattle can, etch primer is one part and DOES NOT...

rattle can, etch primer is one part and DOES NOT cure. It only dries via solvent evaporation. There is no chemical bonding or linking, as with two part epoxy primers covered with two part top...
Forum: Primers 05-31-2020, 02:56 PM
Replies: 6
Views: 348
Posted By lr172
any non-activated (i.e. NOT a primer + activator)...

any non-activated (i.e. NOT a primer + activator) primer requires manual abrasion before top coating, otherwise you will have adhesion problems. Alodine, which is not really a primer (it is a...
Forum: RV-14 05-31-2020, 07:33 AM
Replies: 8
Views: 633
Posted By lr172
Thanks for educating me. Much appreciated. ...

Thanks for educating me. Much appreciated.

Larry
Forum: RV General Discussion/News 05-30-2020, 09:16 PM
Replies: 3
Views: 307
Posted By lr172
That was my original plan. Just thinking it...

That was my original plan. Just thinking it could be better doing it in advance. however, I see your point about bias.

No magic bullet on liability. Just trying to take as many steps as possible...
Forum: RV-14 05-30-2020, 09:02 PM
Replies: 8
Views: 633
Posted By lr172
not an aerospace engineer, but I would expect no...

not an aerospace engineer, but I would expect no load on a flap or elevator that is "in trail" or 0* Maybe I have more to learn in this area. On my 6, the ailerons naturally find an in trail or 0*...
Forum: RV-14 05-30-2020, 01:47 PM
Replies: 8
Views: 633
Posted By lr172
I believe Van's has recently clarified that there...

I believe Van's has recently clarified that there is no longer a speed restriction for the 0* flap position on the RV10. Would assume the same applies to the 14. It always seemed odd to have a...
Forum: RV General Discussion/News 05-30-2020, 07:42 AM
Replies: 3
Views: 307
Posted By lr172
Looking for RV experienced A&P in Midwest

I am about ready to sell my 6A and would like to have a professional Condition Inspection done by a third party. My primary driver is to help reduce liability, but it also seems like the right thing...
Forum: RV-9/9A 05-29-2020, 07:40 AM
Replies: 85
Views: 8,553
Posted By lr172
This is truly sad. The article you were referred...

This is truly sad. The article you were referred to explains this in painstaking detail. Somewhat pathetic that you didn't bother to read it and instead choose to blindly follow your conspiracy...
Forum: RV Ongoing Maintenance Issues 05-29-2020, 07:25 AM
Replies: 11
Views: 1,004
Posted By lr172
without seeing the two FABs, I don't have much to...

without seeing the two FABs, I don't have much to offer other than I would be looking for something that cuases turbulent air at the opening of the carb throat at the FAB. If the air becomes very...
Forum: RV Ongoing Maintenance Issues 05-29-2020, 07:21 AM
Replies: 11
Views: 1,004
Posted By lr172
I didn't read his intent that way. His wording...

I didn't read his intent that way. His wording could have been better, but I believe he was saying that he could make his problem go away with the old part and doesn't understand the cause and...
Forum: Traditional Aircraft Engines 05-29-2020, 07:04 AM
Replies: 75
Views: 12,526
Posted By lr172
+1 more char's

+1

more char's
Forum: Traditional Aircraft Engines 05-28-2020, 10:39 PM
Replies: 13
Views: 717
Posted By lr172
quite a bit easier. They are much simpler than...

quite a bit easier. They are much simpler than most late model auto carbs. The basics are similar with a few unique differences that are easiy to figure out.
Forum: RV-9/9A 05-28-2020, 10:13 PM
Replies: 85
Views: 8,553
Posted By lr172
don't think we have any chance of convincing the...

don't think we have any chance of convincing the OP; that is not Van's fault, as he is choosing to ignore published data provided to him. However, he is relying on his CFI's opinion. Folks like...
Forum: RV-9/9A 05-28-2020, 07:39 PM
Replies: 85
Views: 8,553
Posted By lr172
Well that puts me in my place . I foolishly...

Well that puts me in my place . I foolishly trusted the kit manufacturer instead of your cfi, the true authority on the issue.

I am done. Clearly you don’t need or want our guidance. Best of luck...
Forum: Traditional Aircraft Engines 05-28-2020, 12:24 PM
Replies: 75
Views: 12,526
Posted By lr172
I have to say your approach here is somewhat...

I have to say your approach here is somewhat annoying. This is a forum designed to help one another learn from our experiences and mistakes. Stating your symptoms and telling everyone that you'll...
Forum: RV-9/9A 05-28-2020, 12:13 PM
Replies: 85
Views: 8,553
Posted By lr172
You really need to do some more homework here. ...

You really need to do some more homework here. It appears from your comments that all was good while your airspeed indication was 234 (knots or MPH doesn't matter - as either would be too high)...
Forum: RV-10 05-28-2020, 08:01 AM
Replies: 5
Views: 356
Posted By lr172
Not to question the mothership, but straight...

Not to question the mothership, but straight silicone seems like a poor fit in this application. Possibly the OPs plane was assembled per plans with silicone. If this were the case, I would not...
Forum: RV-9/9A 05-28-2020, 07:33 AM
Replies: 85
Views: 8,553
Posted By lr172
Clearly he is not afraid anymore. Possibly we...

Clearly he is not afraid anymore. Possibly we should have reinforced his fear instead of telling him it was fine. We should all ponder this outcome as we think about giving future advice. This is...
Forum: RV-10 05-27-2020, 08:48 PM
Replies: 17
Views: 860
Posted By lr172
Theyvare ceramic and very smooth. They are well...

Theyvare ceramic and very smooth. They are well proven.
Forum: RV General Discussion/News 05-27-2020, 03:16 PM
Replies: 5
Views: 281
Posted By lr172
I get to KAPA a few times a year and plan to go...

I get to KAPA a few times a year and plan to go in the next couple of weeks with my new 10. Happy to arrange a visit if the timing works.

Larry
Forum: Traditional Aircraft Engines 05-27-2020, 03:09 PM
Replies: 3
Views: 270
Posted By lr172
sensor is in the area downstrem of the...

sensor is in the area downstrem of the vernatherm. When open (OT below set temp) oil flows in the housing and straight to the downstream area with OT sensor. When vernatherm closes, all oil flows...
Forum: RV General Discussion/News 05-27-2020, 02:58 PM
Replies: 24
Views: 1,985
Posted By lr172
I believe the CDI button is used to switch from...

I believe the CDI button is used to switch from GPS to VLOC. The OBS button is used for OBS mode or un-suspending, such as after the MAP on an approach to start the missed appr sequience.

Larry
Forum: RV-10 05-27-2020, 02:50 PM
Replies: 17
Views: 860
Posted By lr172
Pull the schrader valve out and insert beads via...

Pull the schrader valve out and insert beads via a vynal tube pushed over the threaded portion of hte stem. Most bead kits come with a small bottle and tube for installation.

Larry
Forum: RV-10 05-27-2020, 02:49 PM
Replies: 17
Views: 860
Posted By lr172
I used them on the 6. I have had good success...

I used them on the 6. I have had good success using them on motorcycle tires. When I swapped tubes duing a CI, I chose not to reinstall them and still had no shimmy, so can't say positively if they...
Forum: Electronic Ignition Systems 05-27-2020, 02:44 PM
Replies: 27
Views: 1,261
Posted By lr172
So, you are saying that Pmags have never failed...

So, you are saying that Pmags have never failed in the recent past? I see plenty of posts to the contrary. I understand that the autonomous TDC reset feature has been removed, but still see plenty...
Forum: Electronic Ignition Systems 05-27-2020, 02:40 PM
Replies: 27
Views: 1,261
Posted By lr172
Wink This can't be correct. Please see two previous...

This can't be correct. Please see two previous posts above.;)

Larry
Forum: Traditional Aircraft Engines 05-27-2020, 11:52 AM
Replies: 35
Views: 2,468
Posted By lr172
Maybe you could explain for the rest of us what...

Maybe you could explain for the rest of us what causes these fasteners to loosen then. My auto engines don't have any safety wire and I have never noticed fasteners becoming loose or falling off.
Forum: Electronic Ignition Systems 05-27-2020, 11:19 AM
Replies: 27
Views: 1,261
Posted By lr172
And, of course, we have NEVER heard of a Pmag...

And, of course, we have NEVER heard of a Pmag failing or re-timing itself without warning:confused:
Forum: RV-10 05-27-2020, 11:12 AM
Replies: 5
Views: 356
Posted By lr172
I used mcmaster seals, so not familiar with the...

I used mcmaster seals, so not familiar with the Van's seals. However, the go to standard in the automotive world is 3M weatherstrip adhesive, often referred to as gorilla snot. available at any...
Forum: RV General Discussion/News 05-27-2020, 11:10 AM
Replies: 8
Views: 383
Posted By lr172
with oil flowing, that is correct. However, it...

with oil flowing, that is correct. However, it is possible that the oil in the area of the sensor heat soaks rapidly after the oil stops flowing at shutdown. FYI, your oil temps listed are fine and...
Forum: Engine Monitors 05-27-2020, 08:22 AM
Replies: 12
Views: 699
Posted By lr172
I had an EIS provided O/T sensor that gave low...

I had an EIS provided O/T sensor that gave low readings and somewhat intermittent, though not jumpy or erratic. Upon investigation, I found that the composite/epoxy that holds the thermistor inside...
Forum: Engine Monitors 05-27-2020, 08:19 AM
Replies: 12
Views: 699
Posted By lr172
IMO, that behavior points to an intermittent...

IMO, that behavior points to an intermittent connection. I would start by checking the wire and re-crimp the connector at the sensor.
Forum: Electrical Systems 05-26-2020, 10:23 PM
Replies: 28
Views: 1,454
Posted By lr172
I have seen all of that. My 10 has 100%...

I have seen all of that. My 10 has 100% dedicated sensor grounds; The block ground really only services the starter and alt, though it helps to tie the engine ground to airframe ground to deal with...
Forum: RV General Discussion/News 05-26-2020, 09:58 PM
Replies: 13
Views: 670
Posted By lr172
G3X displays an HSI, to replace the indicator and...

G3X displays an HSI, to replace the indicator and includes an OBS knob replacement as well. Don't understand why you would want a separate indicator. I rarely look at the HSI, as the G3X also...
Forum: Traditional Aircraft Engines 05-26-2020, 09:30 PM
Replies: 35
Views: 2,468
Posted By lr172
same here. Just like I don't safety wire the oil...

same here. Just like I don't safety wire the oil filter on my car. Time has proven over 100's of millions of vehicles that they don't come off if installed properly. An aircraft filter is pretty...
Forum: Electrical Systems 05-26-2020, 09:44 AM
Replies: 28
Views: 1,454
Posted By lr172
+1 This approach is well proven. 100's of...

+1

This approach is well proven. 100's of millions of cars have been produced without a dedicated ground at the starter. Battery ground goes to engine block. If the approach were flawed, I think...
Forum: RV General Discussion/News 05-25-2020, 09:56 PM
Replies: 10
Views: 806
Posted By lr172
Installed the comant diplexer and the GS is now...

Installed the comant diplexer and the GS is now rock solid. Apparently the diy cowl ant only works with a composite or wood prop. Haven’t yet checked to see if it degraded the vor reception.
Forum: RV Ongoing Maintenance Issues 05-24-2020, 07:20 AM
Replies: 7
Views: 476
Posted By lr172
Those pump assemblies are pretty reliable. I...

Those pump assemblies are pretty reliable. I suspect that having two pressure regulators inline allowed the std pump's regulator to spend most of it's time in the middle position or something...
Forum: Electrical Systems 05-23-2020, 10:18 PM
Replies: 28
Views: 1,454
Posted By lr172
I have used a 2 gauge strap from block to...

I have used a 2 gauge strap from block to firewall on both planes and have no issues. I used the engine mount on the 10. Though I took care to remove paint from the f/w mounting points of the mount...
Forum: Fuel Injection Systems 05-23-2020, 08:29 AM
Replies: 6
Views: 405
Posted By lr172
I don't know anything about that FI unit, but a...

I don't know anything about that FI unit, but a bendix should handle pretty high fuel pressures without issue. Have you confirmed fuel pressure with the pump on? Given it is a new unit, possibly...
Forum: Electrical Systems 05-23-2020, 08:07 AM
Replies: 28
Views: 1,454
Posted By lr172
If you have a lot of hours, look at the starter...

If you have a lot of hours, look at the starter solenoid. They can wear internally and as they do, they can limit the current that can pass through them.

Larry
Forum: Electronic Ignition Systems 05-23-2020, 07:54 AM
Replies: 4
Views: 261
Posted By lr172
heat range has nothing to do with cylinder...

heat range has nothing to do with cylinder performance or ability to ignite the fuel charge and certainly not related to timing. You want a heat range that leaves the plug hot enough to burn off...
Forum: RV General Discussion/News 05-21-2020, 02:13 PM
Replies: 16
Views: 1,447
Posted By lr172
Both recommended. Great service from both on my...

Both recommended. Great service from both on my two overhauls.
Forum: Electrical Systems 05-21-2020, 08:57 AM
Replies: 29
Views: 1,606
Posted By lr172
changing poles on that switch/relay will create a...

changing poles on that switch/relay will create a momentary open to your e bus feed. That will cause a reset/brown out for any circuitry, requiring a reboot/restart for advanced equipment.

creative...
Forum: RV Ongoing Maintenance Issues 05-21-2020, 08:24 AM
Replies: 11
Views: 1,004
Posted By lr172
Drilling the jet will do that. Most drill it to...

Drilling the jet will do that. Most drill it to get the fuel flow they want at max power, as some carbs can be a bit lean at full power and low altitudes in the slicker RVs. That modification adds...
Forum: RV-14 05-20-2020, 11:51 AM
Replies: 16
Views: 946
Posted By lr172
same here with my 10. about 3 weeks at the...

same here with my 10. about 3 weeks at the airport full time.
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 05-18-2020, 09:27 PM
Replies: 11
Views: 1,038
Posted By lr172
It is a std roll pin (1/16" I believe) that can...

It is a std roll pin (1/16" I believe) that can be purchased at any decent hardware store for $.50. Buy a channel lock pliers and 1/16" punch as well to make the repair.

This assumes they found...
Forum: Midwest 05-18-2020, 08:31 AM
Replies: 1
Views: 150
Posted By lr172
PM sent. Larry

PM sent.

Larry
Forum: Tools 05-18-2020, 08:05 AM
Replies: 1
Views: 212
Posted By lr172
I have had the cyl's off twice on my N/D 320...

I have had the cyl's off twice on my N/D 320 (thought it was the same case). I remember a nut or two having a limited rotating swing clearance, but had no issue using the standard wrench. ...
Forum: RV General Discussion/News 05-17-2020, 10:45 PM
Replies: 4
Views: 323
Posted By lr172
1/16” Al. Length does not matter, but the...

1/16” Al. Length does not matter, but the dimensions of the small step area and the offset do. I made one by looking at a picture and reworking it until it fit. The 1/16” dimension is he key for...
Forum: RV-14 05-17-2020, 10:40 PM
Replies: 8
Views: 568
Posted By lr172
I used a simple molex connector that is...

I used a simple molex connector that is accessible tgrough the oil door. Goes direct to batt with inline 15 amp fuse. Just be sure to use a connector with well buried pins or can be capped
Forum: Electrical Systems 05-17-2020, 07:55 AM
Replies: 5
Views: 494
Posted By lr172
I don't know, but would guess that the power...

I don't know, but would guess that the power connection is downstream of the contactor and closing it (i.e. putting the battery into the circuit) provides a great deal of protection. The battery is...
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-17-2020, 07:51 AM
Replies: 1
Views: 218
Posted By lr172
I do and am close. PM me to discuss. Larry

I do and am close. PM me to discuss.

Larry
Forum: RV General Discussion/News 05-17-2020, 07:23 AM
Replies: 10
Views: 691
Posted By lr172
some servos add a bit of resistance to the...

some servos add a bit of resistance to the controls (dynon/GRT) and some don't (Garmin / Trio). You won't notice in flight, but will on the ground. I have also found that some other planes had...
Forum: Traditional Aircraft Engines 05-16-2020, 11:21 AM
Replies: 14
Views: 1,058
Posted By lr172
Missing several variables here. VE and air flow...

Missing several variables here. VE and air flow have a lot to do with total power output, amongst other variables. It is not just RPM and CR.
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