VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 500
Search took 0.04 seconds.
Search: Posts Made By: plehrke
Forum: Northeast 11-26-2021, 05:25 AM
Replies: 5
Views: 732
Posted By plehrke
Remember the RV owner getting his BFR in his RV...

Remember the RV owner getting his BFR in his RV or the CFI need a LODA in order to have the BFR in the RV.
Forum: RV General Discussion/News 11-24-2021, 04:46 AM
Replies: 13
Views: 1,766
Posted By plehrke
Very nice video. I think my engine purrs. Maybe...

Very nice video.
I think my engine purrs. Maybe I can tune the exhaust a bit to give it more orchestral quality.
Forum: RV General Discussion/News 11-22-2021, 05:59 AM
Replies: 13
Views: 1,263
Posted By plehrke
I find pulling the prop through all 4 compression...

I find pulling the prop through all 4 compression cycles (twice around) before getting in my RV really helps if I need to do cold starts with out preheat.
Forum: RV General Discussion/News 11-22-2021, 05:36 AM
Replies: 10
Views: 1,010
Posted By plehrke
Precisely why I have a Minimum Equipment List in...

Precisely why I have a Minimum Equipment List in my POH. Don’t know if it truly would stand up against FAA scrutiny but thought having one at least would give me something to check myself against on...
Forum: Primers 11-22-2021, 05:12 AM
Replies: 5
Views: 558
Posted By plehrke
As an engineer I love collecting data. As others...

As an engineer I love collecting data.
As others mentioned, paint takes time to reach full cure. I grew up only a mile from 3M headquarters and Research Labs in St Paul and remember paint samples...
Forum: RV General Discussion/News 11-21-2021, 09:26 AM
Replies: 1
Views: 406
Posted By plehrke
Operating Limitations

Interesting question asked by my CFI during my Bi-annual Flight Review. He is not familiar with Experimental - Amateur Built aircraft so asked to see my airworthy paperwork. Of coarse I carry in...
Forum: Traditional Aircraft Engines 11-21-2021, 05:07 AM
Replies: 5
Views: 519
Posted By plehrke
You need to get the size that matches the air box...

You need to get the size that matches the air box it is in. Measuring a in-service one will not get you the correct size you need. These filters shrink as discussed in great detail in this...
Forum: RV General Discussion/News 11-17-2021, 05:05 PM
Replies: 15
Views: 1,352
Posted By plehrke
Buy the engine when you have the money before you...

Buy the engine when you have the money before you spend it all on the panel. :)
Forum: RV Building Tips/Techniques 11-14-2021, 07:41 AM
Replies: 16
Views: 1,696
Posted By plehrke
Need to know application. Application? major,...

Need to know application.
Application? major, safety critical structure or secondary structure? all in sheer or are there pull-off loads?
Environment? Moisture? temperature changes? fuel? vibration?
Forum: Traditional Aircraft Engines 11-13-2021, 07:48 AM
Replies: 19
Views: 3,083
Posted By plehrke
I have mine up pretty close to the flange to get...

I have mine up pretty close to the flange to get them all close to equal distant. My absolute EGTs are higher than most quote but as mentioned previously absolutes don’t mean anything. I have 1000...
Forum: Electrical Systems 11-13-2021, 05:53 AM
Replies: 13
Views: 1,291
Posted By plehrke
Of coarse here in the experimental world we can...

Of coarse here in the experimental world we can “try” different stuff. But depending on the risk level you are willing to accept, anything that is a “safety critical function”, as we call it at my...
Forum: RV General Discussion/News 11-12-2021, 01:37 PM
Replies: 65
Views: 15,347
Posted By plehrke
That sure is not lifetime. If it was my RV would...

That sure is not lifetime. If it was my RV would be nearing end of life in hours (I hope not) and 3rd lifetime in years.
Forum: RV General Discussion/News 11-12-2021, 01:26 PM
Replies: 39
Views: 2,670
Posted By plehrke
303 is better for machining but not as corrosion...

303 is better for machining but not as corrosion resistant as 304.
Forum: RV General Discussion/News 11-12-2021, 05:14 AM
Replies: 65
Views: 15,347
Posted By plehrke
Not only cost outrageous but lead time as well. I...

Not only cost outrageous but lead time as well. I ordered a couple of Champion CH48109 filters from Aircraft Spruce 45 days ago and they are still on back order. Good thing I have several still left...
Forum: RV General Discussion/News 11-12-2021, 04:58 AM
Replies: 39
Views: 2,670
Posted By plehrke
Good reason why I don’t buy any parts or...

Good reason why I don’t buy any parts or materials that go in my airplane from Amazon or any other non-aircraft internet seller. Amazon has especially become a huge source for stuff being sold that...
Forum: RV General Discussion/News 11-10-2021, 06:53 PM
Replies: 31
Views: 2,677
Posted By plehrke
I did both. Plywood boards and then lots of $1...

I did both. Plywood boards and then lots of $1 pillows from goodwill. I still have the pillows as they come in handy now for the condition inspection.
Forum: RV General Discussion/News 11-07-2021, 11:48 AM
Replies: 21
Views: 3,312
Posted By plehrke
Biannual flight review Saturday. Smooth air and...

Biannual flight review Saturday. Smooth air and nice colors Sunday.
17924

If you are waiting for a Chevy Colorado or GM Canyon truck I found where they are hiding them all. These are new parking...
Forum: RV General Discussion/News 11-07-2021, 04:40 AM
Replies: 23
Views: 2,362
Posted By plehrke
On ingress -Ask do you have to pee? ...

On ingress
-Ask do you have to pee?
-specifically show/demonstrate where to step and where to grab
Once in
-Safety Belt and shoulder harness buckle and unbuckle
-headset on and volume adjust,...
Forum: RV Ongoing Maintenance Issues 11-04-2021, 04:37 PM
Replies: 6
Views: 569
Posted By plehrke
+1 on that. Been using it for years. Has a zerk...

+1 on that. Been using it for years. Has a zerk fitting to refill right from grease gun.
Forum: RV General Discussion/News 11-01-2021, 03:08 PM
Replies: 18
Views: 2,800
Posted By plehrke
Same for me. I always keep stuff in the cart...

Same for me. I always keep stuff in the cart waiting to add more. I hate buying $20 worth of hardware and pay their enormous $15 shipping fee. I therefore add stuff for a month until it gets where...
Forum: Autopilots 10-27-2021, 03:03 PM
Replies: 1
Views: 279
Posted By plehrke
Increased “friction” in pitch servo

I have a TruTrak Gemini AP for about 4 years. I have not really used it much in the last year. The last few times flying, with AP off, it has felt like I have been out of pitch trim as the load on...
Forum: RV-8/8A 10-27-2021, 05:07 AM
Replies: 20
Views: 3,722
Posted By plehrke
Heat gun will move it some depending on curvature...

Heat gun will move it some depending on curvature and thickness. A great thing about fiberglass is that area that doesn’t fit right just cut it off and lay up some new plies to blend it to make fit...
Forum: RV-15 10-15-2021, 05:38 AM
Replies: 22
Views: 4,252
Posted By plehrke
Excellent quote. I am an airplane configurator in...

Excellent quote. I am an airplane configurator in my day job and that quote is so true. Nobody, even team members, rarely give input when the sheet of paper is blank but they come out of the woodwork...
Forum: RV General Discussion/News 10-10-2021, 04:49 AM
Replies: 21
Views: 3,616
Posted By plehrke
Completed Condition Inspection and signed my RV...

Completed Condition Inspection and signed my RV off Friday so went for a Saturday morning flight. Mighty Mississippi River on the left.
Forum: RV-6/6A 10-02-2021, 07:12 PM
Replies: 19
CG
Views: 1,821
Posted By plehrke
Fixed pitch sensenich prop on IO360 70.15”

Fixed pitch sensenich prop on IO360
70.15”
Forum: RV General Discussion/News 09-29-2021, 06:28 PM
Replies: 60
Sticky: Daily RV Pic
Views: 10,596
Posted By plehrke
Over the Mississippi

16476

Somewhere near where the Mississippi and Illinois rivers meet north of STL
Forum: RV General Discussion/News 09-26-2021, 05:27 AM
Replies: 22
Views: 3,387
Posted By plehrke
Nothing exciting. I am buttoning up my 6A...

Nothing exciting. I am buttoning up my 6A completing the Condition Inspection. Not as limber as when I built and did first condition inspection 15 years ago so stomach muscles sore from crouching...
Forum: Safety 09-26-2021, 05:14 AM
Replies: 3
Views: 979
Posted By plehrke
Simplify

As I have gotten older I have reduced the amount of info in the cockpit. I used to like and look at lots of data. Now I seem to just want the important stuff very simple and easy to find/read. Of...
Forum: RV General Discussion/News 09-25-2021, 05:35 AM
Replies: 32
Views: 3,530
Posted By plehrke
They are just numbers. Temp in Fahrenheit vs...

They are just numbers. Temp in Fahrenheit vs Celsius is pretty minor thing. Airspeed is not metric nor any attempt being made to go to Kilometers per hour. Knots is not metric or English units. ...
Forum: My RV Build Project 09-22-2021, 07:30 PM
Replies: 45
Views: 28,157
Posted By plehrke
Very nice machine work but . . . A poor design...

Very nice machine work but . . . A poor design detail.

I don’t like the stiffener on the bracket ending before the lower attach flange. Stiffener not doing anything for you except tell you were to...
Forum: RV-12/RV-12iS 09-22-2021, 07:18 PM
Replies: 12
Views: 1,523
Posted By plehrke
You will need a couple dozen more than what you...

You will need a couple dozen more than what you got, no matter how many you got.

This means, when you run out of clecos you should start driving/pulling rivets.
Forum: Primers 09-17-2021, 03:58 PM
Replies: 1
Views: 380
Posted By plehrke
Red Primer on factory steel parts

I am doing my 15th condition inspection and I noticed what looked like a crack between two of the outbd elevator hinge fitting rivets on the fixed horizontal tail side. I took off the elevator to...
Forum: RV Ongoing Maintenance Issues 09-14-2021, 03:08 PM
Replies: 12
Views: 1,279
Posted By plehrke
-Various solvents for cleaning (I like acetone,...

-Various solvents for cleaning (I like acetone, mineral spirits, Hoppes no9 for fuel injectors, brakekleen, lacquer thinner
-Alternator belt
-Safety wire sizes 0.032 and 0.041
-Zip ties
-extra adel...
Forum: RV General Discussion/News 09-05-2021, 06:19 PM
Replies: 18
Views: 1,972
Posted By plehrke
Pretty sure you will never get the “the correct”...

Pretty sure you will never get the “the correct” tire pressure but you will get opinions
My opinion is 35-38 but I have an A so YMMV
Forum: Alternative Engines 09-04-2021, 07:35 PM
Replies: 37
Views: 6,231
Posted By plehrke
Why do people put 600 hp in a car? Novel, cool,...

Why do people put 600 hp in a car?

Novel, cool, exciting, different, satisfying, mid life crisis, accomplishment . . .
Forum: Interiors 09-04-2021, 03:51 PM
Replies: 3
Views: 334
Posted By plehrke
Wrap a piece of foam or other small spacer around...

Wrap a piece of foam or other small spacer around the tube or inside the mount.
Forum: RV General Discussion/News 09-02-2021, 03:48 PM
Replies: 9
Views: 1,379
Posted By plehrke
I use AN bolt and nut. Takes a whole 3 minutes to...

I use AN bolt and nut. Takes a whole 3 minutes to install or remove.
Forum: Safety 08-29-2021, 10:23 AM
Replies: 104
Views: 17,816
Posted By plehrke
My guess is the flaps up not only allow an...

My guess is the flaps up not only allow an increase AoA but also less of a flip over moment as they would create an additional nose down moment when they start to drag in the water.



Additional...
Forum: Electrical Systems 08-20-2021, 06:06 PM
Replies: 6
Views: 469
Posted By plehrke
Plenty of threads with options listed.

Plenty of threads with options listed.
Forum: RV Ongoing Maintenance Issues 08-20-2021, 04:54 AM
Replies: 23
Views: 4,249
Posted By plehrke
Did you save the bits you cut out so can you use...

Did you save the bits you cut out so can you use them to splice back in as the filter shrinks:rolleyes::confused::eek:. After all this thread is about the never ending shrinking air filter
Forum: RV General Discussion/News 08-16-2021, 04:26 PM
Replies: 31
Views: 4,990
Posted By plehrke
It appears most people are responding to what...

It appears most people are responding to what they do when stopping at an “away” airport referring to carrying bags, and getting a lift. Do people tip the line people at their “home” airport? Best I...
Forum: Alternative Engines 08-08-2021, 08:46 AM
Replies: 44
Views: 4,774
Posted By plehrke
Horsepower

Very cool innovative project. I applaud your plan for the end to end conceptual to detail design, engineering analysis, machining and castings, all the way to testing.

Some discussion on weight...
Forum: RV Ongoing Maintenance Issues 08-07-2021, 10:17 AM
Replies: 12
Views: 2,212
Posted By plehrke
Plus my tires smell baby fresh as I am using up...

Plus my tires smell baby fresh as I am using up the talc powder my wife no longer is allowed to use.
Forum: RV General Discussion/News 08-02-2021, 05:02 PM
Replies: 21
Views: 4,674
Posted By plehrke
Agree with Tom. Dale a Question, did you post a...

Agree with Tom.

Dale a Question, did you post a similar post on the Sling forum? What did they recommend?
Forum: Tools 08-01-2021, 10:18 AM
Replies: 6
Views: 1,945
Posted By plehrke
I am going to order one to add to my collection. ...

I am going to order one to add to my collection. I have a whole assortment or hemostats that I bought years ago in the fly mart. Very useful to have lots of sizes and shapes. This one looks like a...
Forum: Safety 07-29-2021, 10:48 AM
Replies: 3
Views: 1,565
Posted By plehrke
Report may incorrectly calls out very low...

Report may incorrectly calls out very low airspeeds . Those should probably be ground speeds unless the data was recovered from the aircraft recorder (I did not see they listed a source for the...
Forum: RV General Discussion/News 07-25-2021, 06:00 AM
Replies: 102
Views: 50,704
Posted By plehrke
According to builder/pilot the performance,...

According to builder/pilot the performance, except fuel burn, is pretty much same as an RV-6A he started with, just now have two engine redundancy. Of coarse the performance he was only interested in...
Forum: RV General Discussion/News 07-19-2021, 05:44 PM
Replies: 218
Views: 19,495
Posted By plehrke
Sent info 7 days ago (did not use form). Got...

Sent info 7 days ago (did not use form). Got immediate confirmation of receipt but still no LODA from STL FSDO.
Forum: RV General Discussion/News 07-17-2021, 04:52 AM
Replies: 23
Views: 2,542
Posted By plehrke
Beware, When I requested the truck from UHaul I...

Beware, When I requested the truck from UHaul I did not realize the length they quoted for their truck included the over cab length. Picked up the truck and had it home before realizing it was not...
Forum: RV General Discussion/News 07-13-2021, 05:15 PM
Replies: 218
Views: 19,495
Posted By plehrke
I have never heard that excuse before. :) That...

I have never heard that excuse before. :) That buys them a couple of days.

STL sent instant auto confirmation of receiving but no LODA yet. Only been a few days.
Forum: RV General Discussion/News 07-13-2021, 07:23 AM
Replies: 218
Views: 19,495
Posted By plehrke
Need a description of training requested?

Do we need to send in the LODA request any kind of paragraph with a description of what kind of training we will be doing or just need to send in name, address, pilot certificate number,...
Forum: RV General Discussion/News 07-02-2021, 04:49 AM
Replies: 7
Views: 2,248
Posted By plehrke
Hardware is not the only leftover from my...

Hardware is not the only leftover from my building. The practical knowledge of how parts are attached, what fasteners are best where, and how to fix or modify stuff are all carry overs to lots of...
Forum: RV Ongoing Maintenance Issues 06-30-2021, 05:42 AM
Replies: 20
Views: 3,654
Posted By plehrke
Reasons for being taught to retract flaps on...

Reasons for being taught to retract flaps on landing is not to decrease landing distance but to reduce possibility of skidding, especially on wet or icy runways. Of coarse once skidding your stopping...
Forum: RV Ongoing Maintenance Issues 06-26-2021, 05:11 AM
Replies: 23
Views: 4,249
Posted By plehrke
How/why are you modifying the filter? I too need...

How/why are you modifying the filter?

I too need to modify the filter as the slightly off center snout in the filter box from intake snorkel to my Bendix fuel servo puts the heads of two of the...
Forum: RV-9/9A 06-17-2021, 07:46 PM
Replies: 11
Views: 2,751
Posted By plehrke
Designers have discretion for which side the head...

Designers have discretion for which side the head is located for many reasons including clearance to get bolt installed, ability to get nut on, and room for a torque wrench on the nut and turn the...
Forum: Midwest 06-16-2021, 03:42 PM
Replies: 8
Views: 2,038
Posted By plehrke
What’s the Airport identifier?

What’s the Airport identifier?
Forum: RV-9/9A 06-15-2021, 03:08 PM
Replies: 11
Views: 2,751
Posted By plehrke
Designer’s Discretion.

Designer’s Discretion.
Forum: RV Ongoing Maintenance Issues 06-12-2021, 05:38 AM
Replies: 8
Views: 1,020
Posted By plehrke
Is it acceptable and/or common practice to cross...

Is it acceptable and/or common practice to cross reference from one log book to another?

For example put prop balancing in airframe logbook but cross reference to refer to the prop or engine...
Forum: RV General Discussion/News 05-31-2021, 07:16 AM
Replies: 9
Views: 1,035
Posted By plehrke
“Good directional control, but poor pitch control...

“Good directional control, but poor pitch control power and have not been able to rotate for take-off”
Forum: RV General Discussion/News 05-31-2021, 05:18 AM
Replies: 13
Views: 2,285
Posted By plehrke
Maybe collect samples from each tank into...

Maybe collect samples from each tank into separate jars to determine if the “dirt” is coming from the fuel or process of getting auto gas.
Forum: RV-8/8A 05-31-2021, 05:00 AM
Replies: 20
Views: 2,536
Posted By plehrke
Consider not painting. This saves lots of money...

Consider not painting. This saves lots of money plus a not insignificant amount of weight. If you really want to be “ scrappy”, Don’t polish either, which saves a need to be carefully and not scratch...
Forum: RV General Discussion/News 05-28-2021, 10:08 AM
Replies: 5
Views: 1,152
Posted By plehrke
I am sure many opinions out there but mine is...

I am sure many opinions out there but mine is simple. Either you will rebuild, therefore list the cost of purchasing parts, or you don’t want to build again, therefore list insured value as price to...
Forum: Alternative Engines 05-28-2021, 05:37 AM
Replies: 25
Views: 4,357
Posted By plehrke
My guess is that NASA, as well as others looking...

My guess is that NASA, as well as others looking into alternative GA propulsion, have abandoned all fossil fuel engine development in favor of electric.
Forum: RV-4 05-23-2021, 09:59 AM
Replies: 513
Views: 376,068
Posted By plehrke
Nicely done. Probably only you can eyeball the...

Nicely done. Probably only you can eyeball the difference. Possibly better than making other side too big or way better than local pimple.
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 01:08 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.