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Search: Posts Made By: terrykohler
Forum: RV-9/9A 04-18-2022, 06:25 AM
Replies: 14
Views: 2,197
Posted By terrykohler
If You Plan is to Eventually Pursue an Instrument Rating…

The 9/9A is a great choice. With a wingspan longer than the 6 or 7 series, it has a much slower roll rate, which translates into more stability. The 6 and 7 guys will tell you that the stability...
Forum: RV-14 04-12-2022, 06:07 AM
Replies: 30
Views: 4,786
Posted By terrykohler
Try Putting a long Straight Edge Along the Trailing Edge

A Texas thunderstorm some years ago broke my gust lock and pushed/deflected the rudder far enough to cause the elevator to pierce a pretty large hole. It also caused a permanent “warp” in the...
Forum: My RV Build Project 04-11-2022, 05:18 AM
Replies: 87
Views: 38,157
Posted By terrykohler
Take a Real Close Look at those Threads

Try to use at least 10X magnification. I’m guessing they may be a bit “rough” - you may not want to use that leg.
Terry, CFI
RV9A N323TP
Forum: RV Building Tips/Techniques 04-10-2022, 12:16 PM
Replies: 6
Views: 804
Posted By terrykohler
You’re Correct Mel, but….

Manufacturing techniques may vary slightly from supplier to supplier, but torque/tension performance is typically specified and published by SAE or ASTM and should be the same, regardless of the...
Forum: My RV Build Project 04-01-2022, 04:26 AM
Replies: 168
Views: 112,695
Posted By terrykohler
Well Done Marty!!!!

The next steps are critical:
1. Test fly aircraft
2. Move to Echo row.
3. “Don’t hurry, don’t worry, and don’t forget to smell the flowers along the way” (Walter Hagen).

Congratulations, you’ve...
Forum: Autopilots 03-25-2022, 09:06 AM
Replies: 36
Views: 3,291
Posted By terrykohler
My EFIS is a GRT

I know little/nothing about the AFS gear, but do you need to manually "ARM" and "EXECUTE" the approach? One button push.
Terry, CFI
RV9A N323TP
Forum: RV General Discussion/News 03-18-2022, 05:39 AM
Replies: 28
Views: 3,710
Posted By terrykohler
Unless Your Goal is Just to “Get There”

If you really love to fly…The slower you fly, the more time you get to fly (is that physics??). Get to see more as well.
Not so long ago, a group of pro jet jockeys out of PTK flew their cubs,...
Forum: RV-14 03-14-2022, 05:06 AM
Replies: 5
Views: 1,069
Posted By terrykohler
Nylon Washers

They’ll also reduce marring or chipping of the paint.
Terry, CFI
RV9A N323TP
Forum: RV Ongoing Maintenance Issues 03-03-2022, 06:48 AM
Replies: 23
Views: 3,417
Posted By terrykohler
How are you Pushing?

If you’re applying any downward pressure on the tow bar or nose of the aircraft, the tail is pivoting upward. Get a 5 gallon orange pail from Home Depot, fill it with concrete and imbed an eyebolt in...
Forum: RV General Discussion/News 02-22-2022, 05:22 AM
Replies: 26
Views: 2,575
Posted By terrykohler
A+ Doug

Terrific achievement. Hope your children realize that Dad has basically earned a Phd in aviation thru home study and determination - a great example for them (and the rest of us). Never stop...
Forum: RV General Discussion/News 02-22-2022, 05:14 AM
Replies: 14
Views: 2,287
Posted By terrykohler
Non-Magnetic

Helping a buddy calibrate his fuel senders using a few 5 gallon plastic cans.
Whilst pouring using both hands, I also held onto the small end cap with a couple of fingers. Readjusting my grip, the...
Forum: Safety 02-11-2022, 06:41 AM
Replies: 39
Views: 5,010
Posted By terrykohler
Not A Direct Path

Fat fingers
Terry
Forum: Safety 02-11-2022, 06:39 AM
Replies: 39
Views: 5,010
Posted By terrykohler
Basic Med is not a ire to path after a Heart Episode

Can’t go to Basic if your FAA Medical has “been denied, suspended, or revoked”. A heart attack or any type of heart surgery (may include a cath) constitutes a suspension - remember, we’re supposed...
Forum: RV General Discussion/News 12-15-2021, 09:14 AM
Replies: 13
Views: 2,377
Posted By terrykohler
I Don’t Believe the Van’s AEX Wedge is for trim

Part is used on the trailing edge of the elevator between top and bottom skin. Rudder uses a similar construction. I believe designs other than 9/9A use a single skin folded at the trailing...
Forum: RV Ongoing Maintenance Issues 12-04-2021, 08:26 PM
Replies: 27
Views: 5,964
Posted By terrykohler
Thoughts on taper pin

I first tried to ream with the gear leg in place and the bolt partially in to prevent movement. When the pilot on my reamer pushed the bolt far enough out, the leg clocked and locked the reamer in...
Forum: RV Ongoing Maintenance Issues 12-04-2021, 08:04 PM
Replies: 27
Views: 5,964
Posted By terrykohler
Thoughts on taper pin

I first tried to ream with the gear leg in place and the bolt partially in to prevent movement. When the pilot on my reamer pushed the bolt far enough out, the leg clocked and locked the reamer in...
Forum: RV Ongoing Maintenance Issues 12-04-2021, 07:20 PM
Replies: 27
Views: 5,964
Posted By terrykohler
My Fix

Neither the upper collar with the bolt hole thru it or the lower collar offer a “size on” fit with the gear leg. Even if the sockets went through an ID grind operation and the gear leg was center...
Forum: RV General Discussion/News 09-16-2021, 05:26 AM
Replies: 11
Views: 1,813
Posted By terrykohler
WHy Wouldn't This Work?

If set in a T-Hangar of sufficient depth, you should be able to bring a plane in nose first and raise it high enough to fit a TW RV underneath. Lift shown has a lifting height of 72 inches (likely...
Forum: RV General Discussion/News 09-09-2021, 05:54 AM
Replies: 42
Views: 11,229
Posted By terrykohler
Ask Him About His Background

You’ll find most of the FSDO folks started from aviation backgrounds -pilots, A&P’s, Electronic Tech’s , etc. Detroit FSDO has a new hire with a background in all of these, and he’s also a multiple...
Forum: The RV Grin 08-30-2021, 07:44 AM
Replies: 3
Views: 3,108
Posted By terrykohler
Thanks Vlad

Picture taken with I-Phone X.

Terry
Forum: Trip Write-ups 08-30-2021, 04:41 AM
Replies: 20
Views: 5,459
Posted By terrykohler
Reminds me of a Line from a 1941 Movie

(The Maltese Falcon, starring Humphrey Bogart)
"What is this?"....

"The stuff that dreams are made of".

Great write-up. Everyone that owns an RV should do something like this. At least once. ...
Forum: The RV Grin 08-29-2021, 05:38 AM
Replies: 3
Views: 3,108
Posted By terrykohler
Juliette Loves to Fly

15178
No description necessary - the smile says it all…

Terry, CFI
RV9A N323TP
Forum: RV General Discussion/News 08-16-2021, 10:48 AM
Replies: 30
Views: 7,076
Posted By terrykohler
A Doctor Doesn't Have to Perform Any/All of the Exam...

From FAA/AOPA..."All state-licensed physicians are qualified to perform a BasicMed exam. Advanced practice providers, such as a CRNP (nurse practitioners) or Physician Assistant (PA), may assist with...
Forum: Glass Cockpit 08-05-2021, 04:56 AM
Replies: 9
Views: 1,075
Posted By terrykohler
Your EFIS thinks you're still following the flight plan

On my Sport EX, I have to first "ARM" the approach. As I line up for intercept, I need to "EXECUTE" the approach on the EFIS. If your autopilot is engaged, these steps also capture the vertical...
Forum: My RV Build Project 07-21-2021, 03:25 AM
Replies: 168
Views: 112,695
Posted By terrykohler
I Disagree

Two thumbs up Marty!
Beautiful workmanship on this bird. Rumor has it that Marty has offered the local DAR $10,000 if he can find anything wrong when the time comes for inspection. Stay tuned. This...
Forum: RV-9/9A 07-20-2021, 12:27 PM
Replies: 11
Views: 2,702
Posted By terrykohler
Welcome to the Wonderful World of RVs

Scott:
You've chosen a great aircraft to begin your journey. You can pretty much imagine where you'd like to go, and that plane can take you there. If you don't believe me, you can look up the...
Forum: RV General Discussion/News 07-07-2021, 08:47 AM
Replies: 3
Views: 1,120
Posted By terrykohler
Over the years I’ve had many great flights, the very best of which were ones I’ve sha

This past Friday was one of those. A two-hour, fifteen-minute flight from CMX on the extreme Northwest of Michigan’s upper peninsula to PTK in SE Michigan in the right seat of my brother’s RV6. I...
Forum: RV-14 06-14-2021, 05:45 AM
Replies: 14
Views: 4,257
Posted By terrykohler
Hard to tell by looking at the Pictures

Best if you look at these using a magnifying glass. It's not unusual for all-metal lock nuts to strip a little plating. You'll be able to tell pretty easily if it's just a little plating or it's...
Forum: Trip Write-ups 06-07-2021, 10:38 AM
Replies: 19
Views: 4,624
Posted By terrykohler
Thanks for the Pictures and Write-Up

Steve:
Another 5-6 miles north of KCMX are the villages of Calumet and Laurium, the latter of which was the home of George Gipp (win just one for the Gipper). Calumet was the epicenter of copper...
Forum: Safety 06-02-2021, 11:46 AM
Replies: 33
Views: 4,760
Posted By terrykohler
Go Back to the Beginning

Ryan:
Not sure about you, but my retention over such a long period would be pretty poor. You might want to go back to the beginning of your training and go over everything. It might take less time...
Forum: RV General Discussion/News 05-24-2021, 05:12 AM
Replies: 7
Views: 1,754
Posted By terrykohler
You Said it Yourself...

"My XP is perfect. Well taken care of, all new by me Garmin electronics ..."
and "painfully slow" is relative. A group of local jet jockeys own J3s and Luscombs. I always find it interesting - if...
Forum: RV Ongoing Maintenance Issues 05-15-2021, 04:44 AM
Replies: 7
Views: 1,419
Posted By terrykohler
Great Job Steve!

Please book my appointment for second week in October.

Thanks for all the pictures and details. I think I need to dig deeper this year. What your inspection really points out points out- if you...
Forum: RV Photo/Video URLs 05-13-2021, 05:52 AM
Replies: 11
Views: 3,231
Posted By terrykohler
Pretty Amazing

Vlad:
There are a good many corporate pilots that don't average 550 hours per year - and they're usually on instrument flight plans and in equipment that doesn't offer many limitations. Ever think...
Forum: RV Photo/Video URLs 05-10-2021, 08:00 AM
Replies: 11
Views: 3,231
Posted By terrykohler
Lots of Adventure in 10 Years

Vlad:
Gotta ask the obvious question. How many hours have you put on the beast in that time? Any other "big" trips on the horizon? You continue to be a "must read" for many of us. Keep doing what...
Forum: RV General Discussion/News 05-09-2021, 05:55 PM
Replies: 19
Views: 4,371
Posted By terrykohler
I Know of What You Speak

Brian:
Lots of great advice on this forum. I sent you a PM detailing my own experience/introduction to experimental aviation. I’m based in Michigan at KPTK ,about 45 minutes away by RV. I’m...
Forum: RV Ongoing Maintenance Issues 05-03-2021, 05:20 AM
Replies: 1
Views: 1,142
Posted By terrykohler
Wobbly Gear Legs Fixed

First, a shout-out to Finley Atherton, who kindly responded to my questions re. fixing play in all three legs on my RV9A. Got me started on the right path.

On Saturday, with the help of buddies...
Forum: RV-7/7A 04-16-2021, 04:19 AM
Replies: 20
Views: 5,795
Posted By terrykohler
I feel Your Pain

but, manufacturing is screwed up all over the world. I typically buy over a million pounds of steel a year from Germany. With a 25% tariff. Now it's on allocation and I can't get delivery dates. ...
Forum: Traditional Aircraft Engines 04-13-2021, 03:35 PM
Replies: 22
Views: 4,845
Posted By terrykohler
Don’t Give Up Too Easily

What Paul said- you might have to send it to Aircraft Specialities or Lycoming. They’re likely to examine it, determine it’s a non-cleanup issue from machining a rough,as-forged surface, and not...
Forum: The RV Grin 03-30-2021, 06:42 AM
Replies: 3
Views: 2,790
Posted By terrykohler
Cece's First Lesson - RV Grin

https://photos.app.goo.gl/dgc4PWYHk7VjETmE8
This is from 2017. Son-in-Law and family had just transferred in from Germany to Rhode Island to spend a year at the Naval War College. Cece wanted a...
Forum: RV General Discussion/News 02-03-2021, 06:30 AM
Replies: 24
Views: 3,150
Posted By terrykohler
Not to Belabor the Point

I think I'm spot on as to the number of cheerleaders
Terry
Forum: RV General Discussion/News 02-03-2021, 06:04 AM
Replies: 24
Views: 3,150
Posted By terrykohler
Congratulations Doug!

Pretty amazing that you've been able to hit the marks with relatively low time spread over such a long period (I know my retention isn't that good). Please tell your daughter and son that what...
Forum: RV General Discussion/News 01-27-2021, 05:30 AM
Replies: 82
Views: 15,165
Posted By terrykohler
If they've recently evicted some current tenants...

they obviously recognize a problem and are trying to solve it. With demand for hangars high at this airport, allowing an unfinished airplane in just creates another potential problem. One possible...
Forum: RV General Discussion/News 01-26-2021, 04:53 PM
Replies: 82
Views: 15,165
Posted By terrykohler
Personally, I don’t Respond Well to Threats

If it’s an airport with a (long) wait list, your chances might be slim. They’ve likely had experiences with builders who’ve never finished or used the hangar as a storage locker. In the meantime,...
Forum: RV General Discussion/News 12-11-2020, 05:06 AM
Replies: 16
Views: 3,110
Posted By terrykohler
If You’re Asking HowMuch of a Trim Tab is Needed..

Trial and error. You can mount a wedge made of balsa, plastic, or aluminum using double sided tape. progressively cut it down until the aircraft is in proper trim at cruise. Afterwards, you can mount...
Forum: RV Ongoing Maintenance Issues 12-03-2020, 12:11 PM
Replies: 19
Views: 4,358
Posted By terrykohler
Just Curious

As a metallurgist, I don't see many applications that actually drill into the working part of a spring. The hole is a stress riser and the drilling itself can effect the temper as well as introduce...
Forum: RV Ongoing Maintenance Issues 12-03-2020, 02:37 AM
Replies: 19
Views: 4,358
Posted By terrykohler
I’m nut familiar with RV12 construction, but...

... is it normal to drill and tap into the hardened, spring nose gear???
Terry, CFI
RV9A N323TP
Forum: Traditional Aircraft Engines 11-20-2020, 08:57 AM
Replies: 6
Views: 1,809
Posted By terrykohler
Gasket Seal

Thanks guys!

Terry
Forum: Traditional Aircraft Engines 11-20-2020, 04:11 AM
Replies: 6
Views: 1,809
Posted By terrykohler
Engine Help

My engine is an O320-D1A spinning a FP prop. I've got an oil leak coming from under the Accessory Drive Adapter Pad Cover. Likely a failed gasket.

Question: When I replace the gasket, should I...
Forum: Traditional Aircraft Engines 11-03-2020, 07:47 AM
Replies: 19
Views: 4,150
Posted By terrykohler
High Copper is Peculiar to the Shell

.
Had the same issue when I started using Aeroshell years ago. Discussion with a metallurgist at Lycoming lead us to find than an additive in the oil was stripping the copper flashing off of the cam...
Forum: RV-9/9A 10-21-2020, 07:06 AM
Replies: 426
Views: 509,930
Posted By terrykohler
From the Movie "Casablanca"

"Welcome to the fight. This time, I know our side will win." (Victor Lazlo, to Rick)
Congratulations!
Looks like you've checked all the boxes - latest gen. front fork, anti-splat gear mod, access...
Forum: Fiberglass 10-14-2020, 05:20 AM
Replies: 15
Views: 10,447
Posted By terrykohler
Have You Looked at Fit/Finish on Any Production Planes?

Personally, unless you're attempting to build a show plane, I'd prep for paint and move on. Unless you point it out, no one will notice and the impact in drag is probably greater where your...
Forum: RV General Discussion/News 09-11-2020, 06:48 AM
Replies: 23
Views: 6,608
Posted By terrykohler
Rick, Rick, Rick...

When I travel to Florida in the wintertime, I can always identify home of origin by the clothes folks are wearing:
Native Floridians are in down jackets with fur hats.
Michigan natives are in shorts...
Forum: RV-12/RV-12iS 08-11-2020, 12:04 PM
Replies: 35
Views: 11,490
Posted By terrykohler
Talk?

It appears there hasn't been much dialog going on between you or either neighbor. Is this something that started with the previous owner of your property? Rather than assuming that the people on...
Forum: RV-10 06-15-2020, 09:17 AM
Replies: 512
Views: 609,116
Posted By terrykohler
Stunning!!!

Leo:
The bar is raised once again...
Glad you included pictures of the arrows so that the level of detail can be seen. Also, I'm especially grateful that you included a shot of the belly - it...
Forum: RV-14 05-07-2020, 11:38 AM
Replies: 12
Views: 4,723
Posted By terrykohler
Skip the Handle

To my knowledge, a tip-up has never been ejected in flight, probably never in an on-ground emergency as well. My handle is shortened and pinned at the sub-panel. If I want to remove the canopy, it...
Forum: RV General Discussion/News 04-06-2020, 07:59 AM
Replies: 18
Views: 6,586
Posted By terrykohler
Well Written Marty!

Have you noticed that most of the usual suspects present at the Saturday breakfast gathering don't often fly by themselves. I think many of us like to share with others those things we most love to...
Forum: RV Building Tips/Techniques 04-01-2020, 08:38 AM
Replies: 13
Views: 2,787
Posted By terrykohler
Thanks Mel

Ever notice that sometimes, just reading a couple of sentences can make you smile.
Terry
Forum: RV Building Tips/Techniques 04-01-2020, 07:26 AM
Replies: 13
Views: 2,787
Posted By terrykohler
Thanks Bill!

Somehow I was looking at $109.00 on the Van's site. Big miss on my part. Also checking out 3M 2216 (thanks, Larry)
Terry
Forum: RV Building Tips/Techniques 04-01-2020, 06:48 AM
Replies: 13
Views: 2,787
Posted By terrykohler
Something Other Than Proseal?

I'm in the process of rebuilding an elevator for my RV9A. It's been a while since I've used proseal (for the stiffners and aft wedge), but it's awful pricey. Anyone use something cheaper that will...
Forum: RV Ongoing Maintenance Issues 02-07-2020, 10:18 AM
Replies: 16
Views: 4,182
Posted By terrykohler
Recent Alternator Poll on the Forum

Showed that over a fairly large sample size, alternator failure before 250 hours:

Plane Power - 28%
Vans Auto Alternators (Nippondenso) - 18%
B & C - 3%

the Nippondenso units can be purchased at...
Forum: RV General Discussion/News 02-04-2020, 11:15 AM
Replies: 2
Views: 1,572
Posted By terrykohler
My RV9A Started With a Falcon 6-Pack

You get what you pay for. With enough of them in my panel, I always had something INOP. And yes, most shops won't work on them. Not sure why. Certification and reliability? Nuff said.
Terry,...
Forum: Electrical Systems 02-03-2020, 05:41 AM
Replies: 181
Views: 80,304
Posted By terrykohler
I haven't read every post, but...

regardless of the reasons for failure, there are enough respondents to the OP to say with some level of confidence that:

Out of all respondents reporting failures before 250 hours,

Automotive...
Forum: Close Calls / Lessons Learned 11-25-2019, 03:46 AM
Replies: 24
Views: 9,379
Posted By terrykohler
New Call Sign

DEERSLAYER

Terry, CFI
RV9A N323TP
Forum: RV General Discussion/News 11-19-2019, 03:42 AM
Replies: 21
Views: 5,568
Posted By terrykohler
Put a Long Straight-Edge Along Trailing Edge

Highly likely it?s badly bowed. A new skin may not be enough.
Terry, CFI
RV9A N323TP
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