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Search: Posts Made By: plehrke
Forum: VAF Classifieds (posts in here deleted after 30 days) 01-19-2021, 04:42 PM
Replies: 7
Views: 371
Posted By plehrke
Untrue. Nobody gave me a replacement. Nothing...

Untrue. Nobody gave me a replacement. Nothing wrong with original RV6 rudder.
Forum: RV-7/7A 01-18-2021, 01:04 PM
Replies: 21
Views: 1,354
Posted By plehrke
MS35206 Pan Head Phillips Machine Screws + Tyton...

MS35206 Pan Head Phillips Machine Screws + Tyton Cable Tie Anchor Mounts (https://www.aircraftspruce.com/catalog/elpages/hellermann_tieanchor.php)
I guess I am influenced by my day job where...
Forum: Painting your RV 01-17-2021, 08:26 AM
Replies: 20
Views: 1,692
Posted By plehrke
Paint the gear and wheel pants a solid light...

Paint the gear and wheel pants a solid light single color the same color as the bottom of the fuselage, also a single color. Paint the lower surface of the wings and tails a darker color so they...
Forum: RV-8/8A 01-17-2021, 08:20 AM
Replies: 11
Views: 1,012
Posted By plehrke
Not a big fiberglass fan but I did learn that if...

Not a big fiberglass fan but I did learn that if you don't like the shape, cut it back and put in a filler piece. Fiberglass bounds to itself pretty good.
Trying to force cured fiberglass into a...
Forum: RV General Discussion/News 01-09-2021, 05:44 AM
Replies: 26
Views: 1,692
Posted By plehrke
I my opinion you need to make sure your decision...

I my opinion you need to make sure your decision to build or buy should not only think about can you do the structural kit from Vans But also should include thinking about your skill level for the...
Forum: RV General Discussion/News 01-02-2021, 08:01 PM
Replies: 32
Views: 3,399
Posted By plehrke
Just think how cool it would be with open...

Just think how cool it would be with open architecture so you can run Foreflight right on you EFIS or run your EFIS on your iPad. Or maybe better yet, buy Garminís EFIS software and run it on your...
Forum: RV General Discussion/News 01-02-2021, 07:54 PM
Replies: 32
Views: 3,399
Posted By plehrke
In my opinion, not missing a thing. Same path for...

In my opinion, not missing a thing.
Same path for me.
Same thoughts.
I hope to catch up when the open architecture (hardware and software) revolution finally hits and glass is replaced by a HUD, or...
Forum: RV Building Tips/Techniques 12-30-2020, 06:56 AM
Replies: 12
Views: 1,331
Posted By plehrke
Probably work ok for normal riveting. I have...

Probably work ok for normal riveting. I have always thought, and only used, tape to hold in rivets when back riveting on stiffeners. For back riveting I would not want that sponginess as the head...
Forum: Traditional Aircraft Engines 12-28-2020, 03:48 PM
Replies: 4
Views: 680
Posted By plehrke
What does it look like? I canít visualize it...

What does it look like? I canít visualize it from your description. Can you post the pictures?
How much higher temperature did your cylinder 3 have? Are there a different ďbump outsĒ sizes for...
Forum: RV Ongoing Maintenance Issues 12-27-2020, 08:02 AM
Replies: 29
Views: 5,504
Posted By plehrke
. . . . .and they are usually by people who have...

. . . . .and they are usually by people who have no financial risk by relaying their opinion.
Forum: RV-7/7A 12-26-2020, 06:40 PM
Replies: 10
Views: 1,066
Posted By plehrke
This is why you should never ever scale anything...

This is why you should never ever scale anything off a drawing. First thing I learned on my job at the big aerospace company after graduating with my brand new engineering degree 36 years ago....
Forum: RV General Discussion/News 12-25-2020, 08:00 PM
Replies: 34
Views: 2,617
Posted By plehrke
I donít think this kind of response is what the...

I donít think this kind of response is what the original poster is looking for. In fact I clipped below in his post his request to keep from this thread turning into this eventual never ending debate.
Forum: Traditional Aircraft Engines 12-25-2020, 07:42 PM
Replies: 5
Egt
Views: 505
Posted By plehrke
I have EGTs that peak about 1520-1540F. 90% of...

I have EGTs that peak about 1520-1540F. 90% of my flight hours are flying with those peak EGT. as Martyrv6a said in post before me, it is all a function of how close to the flange the probe is...
Forum: RV Ongoing Maintenance Issues 12-25-2020, 05:12 AM
Replies: 57
Views: 11,593
Posted By plehrke
What is the recommendation for frequency of...

What is the recommendation for frequency of changing brake fluid for both types, the fire resistant Mil-H-83282 and the stuff used in general aviation Mil-H-5606?
Forum: RV models of the future (RV-??) 12-24-2020, 05:34 AM
Replies: 25
Views: 4,107
Posted By plehrke
You can move the wing and spar back to behind the...

You can move the wing and spar back to behind the pilot/passenger with an aft CG design by having an aft mounted pusher engine configuration or adjusting lift balance with a canard and wing...
Forum: RV General Discussion/News 12-23-2020, 03:45 PM
Replies: 12
Views: 2,637
Posted By plehrke
What ever happened to George and Becki? Their VHS...

What ever happened to George and Becki?
Their VHS tapes got me through most of my build. As Stu states, there was a time when all we had was Orndoff tapes, Matronics RV list, and The RVator...
Forum: RV-6/6A 12-23-2020, 06:17 AM
Replies: 26
Views: 2,323
Posted By plehrke
I have found too fast always produces a bad...

I have found too fast always produces a bad landing as the float makes me want to set it down before it is ready resulting in a bounce. Let it land when it wants to land. Also key to the correct...
Forum: RV Photo/Video URLs 12-23-2020, 05:42 AM
Replies: 18
Views: 1,176
Posted By plehrke
Excellent video. How many cameras in the...

Excellent video. How many cameras in the formation did you have including on the camera plane?
Great terrain back drop. Living here in mid US about the only interest features i have are the big...
Forum: RV-10 12-22-2020, 11:42 AM
Replies: 15
Views: 2,053
Posted By plehrke
If you don’t stop drill, a tiny crack grows into...

If you don’t stop drill, a tiny crack grows into a big crack. That is the only thing I remember from my material science class on the theory of crack propagation in college but probably the most...
Forum: RV-4 12-22-2020, 04:40 AM
Replies: 28
Views: 2,469
Posted By plehrke
Really? I do not think that would be considered...

Really? I do not think that would be considered an acceptable fix. Kind of scary to me.
Forum: RV General Discussion/News 12-20-2020, 05:59 AM
Replies: 7
Views: 814
Posted By plehrke
Ah, the memories. When I built this forum did not...

Ah, the memories. When I built this forum did not exist (and I walked uphill against the wind to and from school). In fact the Internet was new. We had the Matronix list but the rest was all...
Forum: Electronic Ignition Systems 12-20-2020, 05:34 AM
Replies: 14
Views: 1,246
Posted By plehrke
How does the mag get any feedback from EI firing?...

How does the mag get any feedback from EI firing? I donít see a feed back mechanism since all a mag knows is the drive gear is turning.
Forum: RV-9/9A 12-20-2020, 05:29 AM
Replies: 62
Views: 5,434
Posted By plehrke
Thanks Dan for the data. I was trying to...

Thanks Dan for the data.
I was trying to indirectly indicate to those building that shortening the stick does have some consequences. The RV stick forces are very light in trimmed flight so a...
Forum: RV-9/9A 12-19-2020, 07:38 PM
Replies: 62
Views: 5,434
Posted By plehrke
I assume you have your stick the length in the...

I assume you have your stick the length in the RV8 plans. You have not cut it off to be shorter. Do you think it would be doable if you had a 2” shorter than stick? I guess easy to do the math on...
Forum: RV General Discussion/News 12-16-2020, 06:10 PM
Replies: 52
Views: 7,221
Posted By plehrke
Maybe you could build one and get exactly what...

Maybe you could build one and get exactly what you want.
Forum: RV-6/6A 12-14-2020, 06:16 PM
Replies: 17
Views: 1,140
Posted By plehrke
You maybe pleasantly surprised at you increased...

You maybe pleasantly surprised at you increased performance in colder weather. Make you think you got an O360.

MO is not too cold, but then I am from MN now living in MO. I would be more worried...
Forum: RV models of the future (RV-??) 12-13-2020, 06:13 AM
Replies: 14
Views: 1,794
Posted By plehrke
I personally doubt Vans will ever put out a high...

I personally doubt Vans will ever put out a high wing bush plane but I have been wrong before, just ask my wife. Adding another model type, especially one that is not in the family of current...
Forum: RV-8/8A 12-12-2020, 04:42 AM
Replies: 6
Views: 807
Posted By plehrke
It takes quite a bit of heat to deform the...

It takes quite a bit of heat to deform the canopy.

A couple very obvious questions:
You sure the dehydrator is the cause?
Could it have been there before but never noticed?
Is there a bright halogen...
Forum: RV-10 12-06-2020, 05:21 AM
Replies: 13
Views: 995
Posted By plehrke
Carbon X...

Carbon X
https://www.aircraftspruce.com/catalog/cspages/chemcokleenjet.php
Forum: Safety 12-04-2020, 05:00 AM
Replies: 91
Views: 12,437
Posted By plehrke
If not neat, is it still airworthy?

No one has mentioned the real issues. Does it use aircraft quality wire, connectors, switches, hardware, etc? How good are the wire crimps? How good is any soldering? Are wires labeled?

Neatness is...
Forum: RV-6/6A 11-27-2020, 05:03 PM
Replies: 9
Views: 949
Posted By plehrke
Reskinning RV-6 Rudder to Eliminate Cracks

I built my rudder 23 years ago and has the original 0.016 skins. I had a few cracks develop years ago at the first stiffener rivet just aft of the front spar. During this Covid isolation I have...
Forum: Safety 11-24-2020, 05:08 PM
Replies: 10
Views: 1,438
Posted By plehrke
Same here, final bought one but I bought the $4...

Same here, final bought one but I bought the $4 spot ones. Yours and mine are both cheap way to mitigate the threat.
Forum: Electrical Systems 11-22-2020, 05:06 AM
Replies: 37
Views: 3,522
Posted By plehrke
Best answer so far :)(except for the PTT and trim)

Best answer so far :)(except for the PTT and trim)
Forum: Flight Testing 11-21-2020, 05:03 AM
Replies: 5
Views: 949
Posted By plehrke
A big driver in protuberance drag is how far back...

A big driver in protuberance drag is how far back on the fuselage or from leading edge it is. The thicker the boundary layer the less drag the protuberance causes.

Hanging stuff adds another type of...
Forum: RV-12/RV-12iS 11-20-2020, 05:48 AM
Replies: 34
Views: 10,914
Posted By plehrke
Dick and Mike went in longezes. Not non-stop....

Dick and Mike went in longezes. Not non-stop.

In 1997, Melvill and Dick Rutan flew two Long-Eze aircraft that they built side-by-side around the world. This "around the world in 80 nights" flight...
Forum: Electrical Systems 11-20-2020, 05:26 AM
Replies: 10
Views: 1,036
Posted By plehrke
I have the Show Planes in my -6A With no issues...

I have the Show Planes in my -6A With no issues or complaints in 950+ hours.
Forum: Engine Monitors 11-20-2020, 05:13 AM
Replies: 16
Views: 1,831
Posted By plehrke
+1 on this app. I have been using it for a few...

+1 on this app. I have been using it for a few years. It only runs on an iPad. I wish there was a version to run on my iPhone.
Forum: RV Building Tips/Techniques 11-17-2020, 06:16 PM
Replies: 20
Views: 2,806
Posted By plehrke
Not sure I would use very much filler on a...

Not sure I would use very much filler on a control surface to fill a dent. If you do, make sure you recheck the balance.
Forum: RV Ongoing Maintenance Issues 11-13-2020, 05:22 PM
Replies: 30
Views: 3,347
Posted By plehrke
I thought I would out smart the mess by...

I thought I would out smart the mess by installing a remote Airwolf filter on my fire wall facing up. Well, the hoses come in from the top and as soon as I unscrew and break the seal, oil come...
Forum: RV Ongoing Maintenance Issues 11-13-2020, 11:45 AM
Replies: 28
Views: 4,185
Posted By plehrke
Rapco

I use Rapco and they last a long time probably because I don't use a lot of brakes. I have my idle set low, RVs taxi well with just prop wash over the rudder, and I roll out on landing to keep the...
Forum: Electrical Systems 11-08-2020, 11:59 AM
Replies: 29
Views: 3,081
Posted By plehrke
How much easier/lighter/heavier would be putting...

How much easier/lighter/heavier would be putting in a few “classic” instruments for backup vs batteries? Blasphemy?
Forum: RV Building Tips/Techniques 11-06-2020, 12:52 PM
Replies: 15
Views: 1,878
Posted By plehrke
Most likely ice box rivets that are 2024 AL not...

Most likely ice box rivets that are 2024 AL not the AD rivets used in the RV. Usually used for large rivets.
Forum: RV Building Tips/Techniques 11-03-2020, 05:17 PM
Replies: 19
Views: 1,923
Posted By plehrke
I use an AN3 at 3-9 position. Only takes a minute...

I use an AN3 at 3-9 position. Only takes a minute to install/remove but you need to have two wrenches handy. 3-9 position provides more clearance of the bolt head and nut to surrounding structure at...
Forum: RV-6/6A 11-01-2020, 05:24 PM
Replies: 39
Views: 7,157
Posted By plehrke
The RVs have been designed, analyzed, and tested...

The RVs have been designed, analyzed, and tested to a given weight. Any time you are flying at a weight higher than the designed to weight, you are cutting into the safety margins. How much are you...
Forum: RV General Discussion/News 11-01-2020, 09:41 AM
Replies: 10
Views: 2,346
Posted By plehrke
Got up early and airborne yesterday before...

Got up early and airborne yesterday before sunrise. Very interesting clouds look like someone used too much water in their watercolor making them run but still very bright.
With a full moon...
Forum: RV-8/8A 11-01-2020, 04:30 AM
Replies: 26
Views: 5,100
Posted By plehrke
Depends on prop choice. Can’t pick engine...

Depends on prop choice. Can’t pick engine without consider your prop. With fixed pitch you could justify bigger engine from cost, weight, and takeoff performance. With constant speed prop you can...
Forum: RV General Discussion/News 11-01-2020, 04:20 AM
Replies: 29
Views: 3,190
Posted By plehrke
I like to be simple. Hobbs time for everything....

I like to be simple. Hobbs time for everything. Although some may think it is conservative for maintenance, I don’t, as if engine is turning things are wearing out in the engine. As for pilot time,...
Forum: RV-6/6A 10-31-2020, 07:49 PM
Replies: 39
Views: 7,157
Posted By plehrke
Weight effects more than just stalls and CG...

Weight effects more than just stalls and CG position. Although situational awareness may bring you some safety in some situations, flying heavy eats away your safety margins every time you fly heavy.
Forum: RV General Discussion/News 10-30-2020, 06:50 PM
Replies: 25
Views: 3,330
Posted By plehrke
Donít say Basic Med. just tell them it is a...

Donít say Basic Med. just tell them it is a commercial license. They know that and it is the truth. Exam is very similar. My GP said just like a GI physical which appears he had done many.
Forum: RV Photo/Video URLs 10-30-2020, 06:13 AM
Replies: 4
Views: 1,263
Posted By plehrke
Canyon shots are great but I got to be impressed...

Canyon shots are great but I got to be impressed with a ramp area AND runway of brick pavers. Obviously no freezing temps or the surface would be lumpy bumpy after one winter.
Forum: RV General Discussion/News 10-29-2020, 07:58 PM
Replies: 38
Views: 7,560
Posted By plehrke
Yup, I was amazed at how high my shipping was,...

Yup, I was amazed at how high my shipping was, but now seeing yours, I feel better. I paid $70 shipping for a rudder skin last week which should arrive tomorrow UPS ground. Granted my skin is...
Forum: Flight Testing 10-29-2020, 04:03 PM
Replies: 26
Views: 5,247
Posted By plehrke
Completely agree. I suggest not talking to FSDO. ...

Completely agree. I suggest not talking to FSDO. Work with your DAR. They approve your limitations not the FSDO.
My airport is under a class B 1700 ft MSL (1200 agl) layer and the pattern on one...
Forum: Autopilots 10-26-2020, 07:20 PM
Replies: 9
Views: 2,488
Posted By plehrke
Yup, same here. I worked with a Jay at BK with...

Yup, same here. I worked with a Jay at BK with several back and forths on my Gemini not showing the correct track in the DG box. No joy in solution and he ended the trouble ticket with I needed to...
Forum: ADS-B 10-25-2020, 10:33 AM
Replies: 90
Views: 29,585
Posted By plehrke
If you feel comfortable with a lock washer put it...

If you feel comfortable with a lock washer put it on. 99.999% chance it will make no difference as the screws are outside the antenna receive field of view. If it does, remove lock washer.
Forum: RV General Discussion/News 10-20-2020, 07:22 PM
Replies: 4
Views: 1,107
Posted By plehrke
Mine from Cleaveland Tool (Custom RV Interiors by...

Mine from Cleaveland Tool (Custom RV Interiors by DJ) are still perfect after 950 hours. I put them through some good smashing in those 950 hours as I weigh 230lbs. They have the memory foam in them.
Forum: RV-6/6A 10-18-2020, 04:59 AM
Replies: 184
Views: 144,306
Posted By plehrke
Excellent. Way to stick with it. Good to see some...

Excellent. Way to stick with it. Good to see some new 6s getting completed.
Now a new chapter starts with flying.
Forum: Places To Fly...Things to See...Things to Eat 10-16-2020, 07:46 AM
Replies: 17
Views: 3,500
Posted By plehrke
If lineboy performs basic expected service, then...

If lineboy performs basic expected service, then no need to tip. If does anything to help you beyond basic service then tip is appropriate with amount proportional to time savings to you if you would...
Forum: RV-4 10-16-2020, 06:51 AM
Replies: 17
Views: 2,886
Posted By plehrke
Did you have a particularly high head wind? It...

Did you have a particularly high head wind? It has been very windy here lately. Tail flies on airspeed. Additional 10 knots of wind would make it fly a lot earlier.
Forum: RV General Discussion/News 10-16-2020, 06:00 AM
Replies: 0
Views: 902
Posted By plehrke
Kitplanes Aircraft Capability Survey

Kitplanes survey (https://www.kitplanes.com/homebuilt-aircraft-feature-and-capability-survey/) posted on home page
Based on my responses, Amazingly I want an RV. Actually I think my response would...
Forum: Safety 10-15-2020, 07:33 AM
Replies: 38
Views: 5,310
Posted By plehrke
Agree and point I was trying to make but should...

Agree and point I was trying to make but should have expanded beyond just gearbox. You got to have the full package working and optimized for aircraft use.
In my world of advanced aircraft...
Forum: Safety 10-15-2020, 07:01 AM
Replies: 38
Views: 5,310
Posted By plehrke
The Loss of power of auto engines in aircraft use...

The Loss of power of auto engines in aircraft use is not the engine. Need some one with resources of Ford, GM, Toyota to develop a reliable gearbox.
Forum: RV-7/7A 10-15-2020, 05:03 AM
Replies: 13
Views: 1,842
Posted By plehrke
I use 15W50 here in STL year round. I preheat...

I use 15W50 here in STL year round. I preheat anytime temps are below 30F. I also fly at least an hour every week even in winter (love that extra performance). I use no aftermarket additives. All...
Forum: Trip Write-ups 10-12-2020, 05:11 PM
Replies: 14
Views: 5,125
Posted By plehrke
Great blog and pictures. Sorry to have missed...

Great blog and pictures.

Sorry to have missed you at Creve Coeur. It is a great little airport with interesting stuff going on all the time, mostly in antiques, but a few Experimental and recently...
Forum: RV Building Tips/Techniques 10-09-2020, 06:15 PM
Replies: 14
Views: 2,193
Posted By plehrke
Get the stainless steel ones for exhaust...

Get the stainless steel ones for exhaust brackets. I have had cracking issues with aluminum ones. No cracks once I went to stainless.
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