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Search: Posts Made By: plehrke
Forum: Traditional Aircraft Engines 04-19-2019, 06:20 AM
Replies: 21
Views: 1,448
Posted By plehrke
I do 1, 2, 4, and 5. In a total ownership cost...

I do 1, 2, 4, and 5.

In a total ownership cost over life of engine, any preheat will increase engine life (or decrease engine wear) more then any issues with preheat causing corrosion, given you run...
Forum: RV General Discussion/News 04-16-2019, 05:07 PM
Replies: 33
Views: 2,467
Posted By plehrke
Another day. Always short one or two.

Another day. Always short one or two.
Forum: Electrical Systems 04-06-2019, 06:18 AM
Replies: 102
Views: 5,691
Posted By plehrke
Yet we second guess Lycoming all the time and...

Yet we second guess Lycoming all the time and follow advice of people that write magazine articles. Our engine is by far our biggest single point failure chain and Lycoming has decades more data and...
Forum: ADS-B 03-31-2019, 04:30 AM
Replies: 46
Views: 6,268
Posted By plehrke
Careful, the breaker is to protect the wiring,...

Careful, the breaker is to protect the wiring, not the equipment. What is the gage of the wire you have to the transponder?

oops, I see DanH already responded.
Forum: RV Photo/Video URLs 03-30-2019, 04:36 AM
Replies: 2
Views: 448
Posted By plehrke
Just getting ready to buy 3D printer for this...

Just getting ready to buy 3D printer for this type of purpose. Also I have 45,000 hours of UG NX experience so, if willing, I'd be interested in the CAD model you have of this mount.
Forum: RV General Discussion/News 03-21-2019, 06:56 PM
Replies: 39
Views: 4,397
Posted By plehrke
The law of

The RV humility law
The more someone compliments you on your workmanship on your RV, the more mistakes and dings you will point out.
Forum: Safety 03-20-2019, 05:06 PM
Replies: 19
Views: 2,072
Posted By plehrke
Can you put the original Ray Allen trim indicator...

Can you put the original Ray Allen trim indicator back in? I like the simple trim indicator right up front next to my stand alone AoA indicator.

I am a big proponent of safety of flight type...
Forum: RV General Discussion/News 03-18-2019, 04:28 PM
Replies: 157
Views: 9,430
Posted By plehrke
Agree. I love doing big lazy, smooth, manuvers...

Agree. I love doing big lazy, smooth, manuvers in very smooth air.



I tried flying aerobatics and didnít like it. I eat brussels sprouts all the time. Hope nobody holds that against me.
Forum: RV General Discussion/News 02-20-2019, 05:47 PM
Replies: 9
Views: 1,687
Posted By plehrke
Todays dogfighting would be easy to do. Pick out...

Todays dogfighting would be easy to do. Pick out someone off your ADS-B that is less than 100 miles away and pull the trigger. Get your ADS-B to drop that target from your display. Entire kill chain...
Forum: Midwest 02-18-2019, 12:09 PM
Replies: 10
Views: 1,203
Posted By plehrke
Careful, make sure you can get back. I crossed...

Careful, make sure you can get back. I crossed out of Minnesota over Iowa into Missouri 35 years ago and I am still stuck here.
Forum: Glass Cockpit 02-17-2019, 06:27 AM
Replies: 42
Views: 4,205
Posted By plehrke
Really cool. I have been playing with a Hudly for...

Really cool. I have been playing with a Hudly for a while in my RV and looking for something to drive displays that are aircraft oriented. Just thinking out loud on how i can take advantage of this...
Forum: RV General Discussion/News 02-17-2019, 06:04 AM
Replies: 50
Views: 5,684
Posted By plehrke
Wow, only 40 allowed. I was thinking of flying in...

Wow, only 40 allowed. I was thinking of flying in to see all the emerging space tourism business. Must be so ramp space crunched with all the surrounding houses and businesses crowing out the space...
Forum: RV General Discussion/News 02-03-2019, 05:42 AM
Replies: 14
Views: 1,923
Posted By plehrke
Yes, back to earth when the return trip with the...

Yes, back to earth when the return trip with the head wind at Piper Cub ground speeds. Of coarse take note the Cub is probably flying backwards in that head wind.
Forum: Tools 01-26-2019, 04:07 AM
Replies: 20
Views: 2,157
Posted By plehrke
I have an A&P/IA in the hangar next to ours whose...

I have an A&P/IA in the hangar next to ours whose dad was an aircraft mechanic as well, So he has every tool known to aviation. Very nice guy willing to loan you anything. He has his initials...
Forum: RV Building Tips/Techniques 01-25-2019, 05:23 PM
Replies: 46
Views: 6,297
Posted By plehrke
That is the answer to if there are potential uses...

That is the answer to if there are potential uses for nordlocks. Sure there are. The question I asked is if there are places on an RV that traditional locking fasteners are not working properly and...
Forum: RV Building Tips/Techniques 01-24-2019, 06:11 PM
Replies: 46
Views: 6,297
Posted By plehrke
Still the best question of this thread. Do people...

Still the best question of this thread. Do people have fasteners on their RV loosening all the time? 13 years and 850 hours and have not had an issue with nuts becoming loose. Using as appropriate,...
Forum: RV Building Tips/Techniques 01-22-2019, 05:29 PM
Replies: 46
Views: 6,297
Posted By plehrke
Would not be used at my company due to damage to...

Would not be used at my company due to damage to the underlying material and corrosion protection coating under the head. The video touted that damage as proof it is working. My strength engineers...
Forum: RV General Discussion/News 01-20-2019, 07:31 AM
Replies: 29
Views: 3,130
Posted By plehrke
Huh, I thought the Arc was real. Better one is...

Huh, I thought the Arc was real.


Better one is that Langley was a professional but the Wright brothers were amateurs. Of coarse you need to know who Langley was.
Forum: RV General Discussion/News 01-05-2019, 11:30 AM
Replies: 31
Views: 2,232
Posted By plehrke
I think it sounds better to increase stuff since...

I think it sounds better to increase stuff since loosing stuff is hard.

Increase my RVís useful load by 50 lbs
Increase my 401k to my retirement goal dollar figure
Increase my flying hours by...
Forum: Nosewheel vs. Tailwheel 01-03-2019, 04:41 PM
Replies: 9
Views: 2,103
Posted By plehrke
I donít think vans tracks that. I asked them for...

I donít think vans tracks that. I asked them for that data a year ago and they said they did not have that data. I asked for number flying data. They probably have number sold but not sure they will...
Forum: Trip Write-ups 01-01-2019, 08:56 AM
Replies: 43
Views: 5,885
Posted By plehrke
I do not have a lot of experience with border...

I do not have a lot of experience with border patrol and/or customs but do with other types of government investigators. My opinion is that getting people uncomfortable and being picky about the...
Forum: COMM 12-27-2018, 04:29 AM
Replies: 3
Views: 388
Posted By plehrke
Thanks from me too. I hate to say it but I have...

Thanks from me too. I hate to say it but I have been using my GX65 for 10 years and never have figured out the squelch. I need to use it so rarely I never remember to look it up in the manual when I...
Forum: RV General Discussion/News 12-25-2018, 06:37 PM
Replies: 26
Views: 2,355
Posted By plehrke
I called it my Project or my Hobbie. Tried to...

I called it my Project or my Hobbie. Tried to stress it was not an airplane until I received the airworthiness certificate. That always seemed to make visitors feel like there was a formal process to...
Forum: RV General Discussion/News 12-21-2018, 04:12 AM
Replies: 11
Views: 1,159
Posted By plehrke
I agree with rocketbob. If you have adaquate...

I agree with rocketbob. If you have adaquate sealing on the firewall and vents to clear cabin smoke, which I hope you have as that is a must, you will have adaquate cabin vent to deal with fumes.
Forum: RV-12/RV-12iS 12-15-2018, 03:30 PM
Replies: 12
Views: 1,620
Posted By plehrke
My CFI asked if I had a MEL as part of discussion...

My CFI asked if I had a MEL as part of discussion on what could be failed on my aircraft and I would still feel safe to fly. He did not force me to make it. I decided on my own that it would be a...
Forum: RV-12/RV-12iS 12-15-2018, 03:59 AM
Replies: 12
Views: 1,620
Posted By plehrke
I had my CFI during a BFR ask for my Min Equip...

I had my CFI during a BFR ask for my Min Equip List 10 years ago. He must have read about it or had to do something with it at his work (chief pilot for a charity flying patients to receive treatment...
Forum: RV General Discussion/News 12-09-2018, 06:45 AM
Replies: 5
Views: 676
Posted By plehrke
Sounds like a fantastic event. Excellent work by...

Sounds like a fantastic event. Excellent work by all and sounds like the ultimate in understanding the Christmas spirit.

How many years has this been going on? Does this happen in other states...
Forum: RV General Discussion/News 12-08-2018, 11:36 AM
Replies: 22
Views: 1,699
Posted By plehrke
Very good point Everyone, in the USA, drives...

Very good point

Everyone, in the USA, drives left handed (so they can text right handed). Flying left handed is very natural and leaves the right hand to run the electronics, just like in the car....
Forum: RV General Discussion/News 12-07-2018, 05:32 PM
Replies: 17
Views: 2,156
Posted By plehrke
Bought one of the cheap bore scopes off amazon...

Bought one of the cheap bore scopes off amazon with mirror and high resolution Bluetooth to my phone. Issue is I did not pay attention to focal length. The camara works great but you need to be 2Ē...
Forum: RV General Discussion/News 11-30-2018, 03:16 PM
Replies: 16
Views: 2,017
Posted By plehrke
That would be some great formations flying to get...

That would be some great formations flying to get 864 airplanes in each of the 12 pictures.
Forum: Safety 11-17-2018, 05:00 AM
Replies: 171
Views: 18,927
Posted By plehrke
Since I have not read in this thread anyone do it...

Since I have not read in this thread anyone do it yet, I want to thank all those working very hard to help improve the arrival procedures in order to avoid last yearís perfect storm of...
Forum: RV General Discussion/News 11-11-2018, 11:50 AM
Replies: 44
Views: 3,333
Posted By plehrke
I think you answered your own question. Aviation...

I think you answered your own question. Aviation pretty much is standarized on KTS.



Exactly, which units you use are not as important is being consistent and using the correct values.


Same...
Forum: GPS 10-23-2018, 06:20 PM
Replies: 8
Views: 790
Posted By plehrke
I have 3 different brand gps antennas on my glare...

I have 3 different brand gps antennas on my glare shield spaced about 4” apart. All work great with no interference. One of the I even painted black with rattle can rustoleum.
Ran a 12 volt 2 amp...
Forum: RV-8/8A 09-29-2018, 04:50 AM
Replies: 16
Views: 1,940
Posted By plehrke
I have never had any issues with the hinge pin...

I have never had any issues with the hinge pin along the side holding top and bottom together. That is the pin the Original post, I believe, is asking about. Very straight pin lubed with a little LPS...
Forum: RV General Discussion/News 09-23-2018, 05:39 PM
Replies: 5
Views: 953
Posted By plehrke
https://patents.google.com/patent/US6808143B2/en h...

https://patents.google.com/patent/US6808143B2/en
https://pdfs.semanticscholar.org/3a06/aa5a5a0edaecf08a52d9fe020b09ebc63ba2.pdf
Forum: RV General Discussion/News 09-23-2018, 02:43 PM
Replies: 5
Views: 953
Posted By plehrke
Large amount of tooling and fixtures is on the...

Large amount of tooling and fixtures is on the way out in aerospace due to large capital investments required and inability to scale with production rates changes. This along with desire to increase...
Forum: RV General Discussion/News 09-16-2018, 11:55 AM
Replies: 54
Views: 5,176
Posted By plehrke
I canít sleep good just wearing the T-shirt.

I canít sleep good just wearing the T-shirt.
Forum: RV General Discussion/News 09-16-2018, 11:50 AM
Replies: 54
Views: 5,176
Posted By plehrke
Your doctor is your consultant on your personal...

Your doctor is your consultant on your personal health care. You are your own primary care provider. It is your decision on doing the test. Since you are questioning your doctor, maybe you have some...
Forum: RV General Discussion/News 09-15-2018, 09:48 AM
Replies: 3
Views: 718
Posted By plehrke
Opening the oil cooler door does not do anything...

Opening the oil cooler door does not do anything to cool the plenum area that is the typical problem with hot starts or even to cool the engine itself. All the oil door will do is vent out a little...
Forum: ADS-B 08-24-2018, 03:33 PM
Replies: 15
Views: 3,191
Posted By plehrke
If I told you want it was then I would have to ....

If I told you want it was then I would have to . . . . . .
Forum: RV models of the future (RV-??) 08-19-2018, 02:00 PM
Replies: 443
Views: 107,503
Posted By plehrke
Nope, Don’t need no computer program. Design is...

Nope, Don’t need no computer program. Design is creative, not computative. If computative it will just look like the “base design” as you call it.
Forum: RV models of the future (RV-??) 08-19-2018, 01:06 PM
Replies: 443
Views: 107,503
Posted By plehrke
Good luck. As an airplane configurator in my day...

Good luck. As an airplane configurator in my day job, large, highly funded airplane companies have been trying to replace me with just such a computer program for over 30 years. They hate to admit...
Forum: RV General Discussion/News 08-19-2018, 12:53 PM
Replies: 12
Views: 1,525
Posted By plehrke
Aviated for 2 hours this morning going absolutely...

Aviated for 2 hours this morning going absolutely no where, just flying here and there.
Note: The way I play golf I require way more than one ball.
Forum: Midwest 08-18-2018, 05:10 AM
Replies: 7
Views: 1,754
Posted By plehrke
I looked into it a bit last year but never got...

I looked into it a bit last year but never got further than just looking at their website (http://norwalklanding.com). Lots looked way to small for what I wanted. Could get several lots to get...
Forum: Safety 07-29-2018, 05:11 AM
Replies: 171
Views: 18,927
Posted By plehrke
Hey, there is no critiquing in brainstorming...

Hey, there is no critiquing in brainstorming
Maybe require all to tape large last 3 digits of n-number under wing. If they do not have then they obviously did not read NOTAM and send them to their...
Forum: RV General Discussion/News 07-24-2018, 06:01 PM
Replies: 253
Views: 41,245
Posted By plehrke
Why do they continue to have both runways be fed...

Why do they continue to have both runways be fed from Ripon to FISK. The runways operate completely independent so why not have a separate VFR arrival path for 18/36? It would half the traffic...
Forum: RV-10 07-22-2018, 05:18 AM
Replies: 7
Views: 688
Posted By plehrke
Although you apply torque to the nut, it is the...

Although you apply torque to the nut, it is the bolt that sets proper torque. You will never break a nut from over torgueing but you will break the bolt. Bolt sets joint strength, nut just ensures...
Forum: RV General Discussion/News 07-18-2018, 04:58 PM
Replies: 12
Views: 1,750
Posted By plehrke
Never do it at my airport

There were hangars that had the spray foam at our airport. Since our airport has been involved in several major floods due to it being only a couple hundred yards from the Missouri River. In the 93...
Forum: Safety 07-14-2018, 02:34 PM
Replies: 96
Views: 21,881
Posted By plehrke
Cracks in trim tab attach

Found this a few years ago in pre-flight. Cracks at several of the rivets. Ended up repairing it with a pretty ugly external doubler. See repair thread...
Forum: Electronic Ignition Systems 07-14-2018, 03:40 AM
Replies: 66
Views: 7,721
Posted By plehrke
Installed CPI last year and thought very easy to...

Installed CPI last year and thought very easy to install. Was a little timid drilling on the flywheel but good instructions and provided drill block made it a non-event.

The ease of a hot starts,...
Forum: RV General Discussion/News 07-07-2018, 02:17 PM
Replies: 4
Views: 1,301
Posted By plehrke
Landing 27 last year they had me go around when 5...

Landing 27 last year they had me go around when 5 sec from touch down telling me to turn left and head to right hand down wind for 36. Luckily, as I was trying to adjust radio for 36 tower freq....
Forum: RV General Discussion/News 07-03-2018, 08:01 PM
Replies: 11
Views: 1,286
Posted By plehrke
Full set of vans gages have been working for over...

Full set of vans gages have been working for over 800 hours with no issues, except a burnt out light bulb. My frequent check of accuracy, being an engineer, with alternate sources I have within...
Forum: RV General Discussion/News 06-17-2018, 01:31 PM
Replies: 13
Views: 2,156
Posted By plehrke
I go with what Lycoming recommends. They have...

I go with what Lycoming recommends. They have lots of data and financial skin in the game. No brand names called out just oil...
Forum: RV Ongoing Maintenance Issues 06-16-2018, 03:53 AM
Replies: 7
Views: 1,223
Posted By plehrke
Pretty cheap IR thermometers are available...

Pretty cheap IR thermometers are available everywhere...
Forum: Safety 06-04-2018, 06:33 PM
Replies: 52
Views: 7,645
Posted By plehrke
Most excellent drawing to go with explanation. I...

Most excellent drawing to go with explanation. I have sketched many such drawings on my whiteboard to visualize what is really happening.
Forum: RV Ongoing Maintenance Issues 05-28-2018, 04:12 AM
Replies: 12
Views: 1,974
Posted By plehrke
I have used the term "maintenance induced...

I have used the term "maintenance induced maintenance". Just had this happen when working on my shower drain. Fixing the leak I caused another leak that was even harder to fix then the...
Forum: RV-10 05-27-2018, 02:22 PM
Replies: 42
Views: 4,291
Posted By plehrke
And make sure you remove when carrying load with...

And make sure you remove when carrying load with aft CG.
Forum: Alternative Engines 05-26-2018, 05:32 AM
Replies: 20
Views: 2,920
Posted By plehrke
Someone with a vision to develop electric...

Someone with a vision to develop electric airplanes that are more than just adequate, like Elon Musk did for cars, needs to step in soon. Yes, it maybe possible to do a trainer or LSA size aircraft...
Forum: RV Ongoing Maintenance Issues 05-25-2018, 06:21 PM
Replies: 12
Views: 1,974
Posted By plehrke
Do you rotate your injectors?

I heard years ago that at condition inspection you should clean and inspect your fuel injectors but always put them back in the same cylinder from where they were removed. I have been trying to find...
Forum: RV Ongoing Maintenance Issues 05-20-2018, 08:10 AM
Replies: 1
Views: 1,496
Posted By plehrke
Flap hinge pin lubrication (and rod ends)

I am doing my 12th condition inspection and looked at the flap hinge and they look a bit dirty after collecting dust for the the 12 years. I typically squirt some LPS2 on them every year and that...
Forum: RV General Discussion/News 05-08-2018, 04:48 PM
Replies: 39
Views: 5,212
Posted By plehrke
Gross weight on your airworthiness certificate...

Gross weight on your airworthiness certificate should be 100% based on safety and 0% based on legality when flying.
Forum: RV General Discussion/News 05-05-2018, 07:07 PM
Replies: 11
Views: 1,790
Posted By plehrke
Landed and parked durning The Show at Appleton...

Landed and parked durning The Show at Appleton many times mainly because I was staying at B&B in Appleton. Easy in with plenty of places to park. Several years were not very easy out due to T-storms...
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