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Search: Posts Made By: airguy
Forum: Alternative Engines Today, 12:42 PM
Replies: 53
Views: 5,777
Posted By airguy
This is precisely what scares me about auto...

This is precisely what scares me about auto conversions. The torsional vibration issues in a gearbox CAN be overcome, they ARE well understood - but you're not going to get there with TLAR.
Forum: RV General Discussion/News Today, 12:32 PM
Replies: 4
Views: 331
Posted By airguy
For the right price, I'll pull the one out of my...

For the right price, I'll pull the one out of my airplane... :D
Forum: RV General Discussion/News 11-27-2022, 06:40 PM
Replies: 47
Views: 3,639
Posted By airguy
First off, you handled it well. No good plan...

First off, you handled it well. No good plan survives contact with the enemy, and you learned a lot from it and will probably modify your planning.

Suggestions....
1) A backup alternator on the...
Forum: RV-9/9A 11-26-2022, 01:44 PM
Replies: 39
Views: 13,310
Posted By airguy
Testing has shown that as little as 10% 100LL in...

Testing has shown that as little as 10% 100LL in a tank of mogas can significantly drop the vapor pressure and (help) prevent vapor lock. You get most of the benefit of reduced vapor pressure by the...
Forum: RV Ongoing Maintenance Issues 11-26-2022, 01:42 PM
Replies: 25
Views: 1,628
Posted By airguy
But requires you to connect the external charger...

But requires you to connect the external charger periodically to balance the cells. My preference (personal) is to have the BMS in the battery take care of the balancing in flight, and I never have...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-26-2022, 01:36 PM
Replies: 26
Views: 1,248
Posted By airguy
Likely true - but malfeasance is more fun to talk...

Likely true - but malfeasance is more fun to talk about! :D
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-26-2022, 09:24 AM
Replies: 26
Views: 1,248
Posted By airguy
True enough - but at least Avidyne doesn't force...

True enough - but at least Avidyne doesn't force you to buy a proprietary datacard and reader - they update on a standard USB.
Forum: RV-7/7A 11-25-2022, 10:08 AM
Replies: 30
Views: 5,467
Posted By airguy
I've got some skin damage on my 9A rudder from...

I've got some skin damage on my 9A rudder from high winds without a gust lock installed, and I've been waiting to replace it until I had a paint shop lined up which is needed for some touchup with...
Forum: RV-10 11-25-2022, 09:55 AM
Replies: 12
Views: 4,911
Posted By airguy
I've done the double tank mod on my 9A - it was...

I've done the double tank mod on my 9A - it was not easy or fast.

Given that Ken Krueger, one the main design/engineer brainchildren over at Vans, has come out with a +2 hour extended range tank...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-25-2022, 09:45 AM
Replies: 26
Views: 1,248
Posted By airguy
Unfortunately, you must do as indicated above....

Unfortunately, you must do as indicated above.

Garmin has a captive market on their data, they know it, and they take full advantage of it.
Forum: Traditional Aircraft Engines 11-22-2022, 02:05 PM
Replies: 3
Views: 496
Posted By airguy
Unusual oil leak source

I have been chasing a very minor but persistent oil leak on my IO360 in my 9A, and from the apparent location of it I was becoming concerned that I might have a cracked cylinder barrel. So today I...
Forum: RV General Discussion/News 11-22-2022, 08:36 AM
Replies: 45
Views: 3,123
Posted By airguy
Yes, on the app when you flip the switch it...

Yes, on the app when you flip the switch it appears about half-way pigmented (ghosted) indicating the signal was sent to the device but not yet confirmed. When the device gets the command it will...
Forum: Electrical Systems 11-21-2022, 06:28 PM
Replies: 13
Views: 1,605
Posted By airguy
Show me a credible link from a battery...

Show me a credible link from a battery manufacturer. Google is not a credible source.

EarthX says -30C, and they make the battery.

What you are saying has some truth for Li-Ion batteries - those...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-21-2022, 05:41 PM
Replies: 29
Views: 2,928
Posted By airguy
Not forecast below 10,000 for the next 12 hours -...

Not forecast below 10,000 for the next 12 hours - but I'm not trying to minimize the ice danger. It's real, I've been in it.
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-21-2022, 02:30 PM
Replies: 29
Views: 2,928
Posted By airguy
I'm within reasonable range and IFR rated - don't...

I'm within reasonable range and IFR rated - don't mind making a trip with tools and spare tubing to make a new line, but we need to know if the AOG condition still exists and who to contact. I also...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-21-2022, 11:23 AM
Replies: 29
Views: 2,928
Posted By airguy
And therein lies the rub - it's difficult to...

And therein lies the rub - it's difficult to remove the brake calipers without at least a little back-and-forth bending of the lines. I replaced my hard lines at about 4 years of service with...
Forum: RV General Discussion/News 11-21-2022, 10:37 AM
Replies: 7
Views: 848
Posted By airguy
Depends a lot on how good the wires are from an...

Depends a lot on how good the wires are from an insulation standpoint. As you mentioned, modern ones are very good, and I haven't had any crossfire or grounding issues on an airplane since I started...
Forum: Electrical Systems 11-21-2022, 09:28 AM
Replies: 13
Views: 1,605
Posted By airguy
EarthX documentation (operating manual) shows an...

EarthX documentation (operating manual) shows an operating temperature range of -30C to +60C and a storage range from -40 to +70. Where are you guys getting this information about not charging it...
Forum: RV-10 11-19-2022, 10:30 AM
Replies: 31
Views: 2,653
Posted By airguy
My 9A has a "taxi too fast" warning shimmy that...

My 9A has a "taxi too fast" warning shimmy that occurs at exactly 23 knots ground speed. 22 is fine, 24 is fine, 23 gives a resonance and a shimmy on the nosewheel despite having it well balanced.
Forum: Job Board 11-17-2022, 05:27 PM
Replies: 5
Views: 693
Posted By airguy
Loggins? Or Kenny Rogers? Rogers is the one I...

Loggins? Or Kenny Rogers? Rogers is the one I remember, maybe Loggins recorded it too.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-17-2022, 05:19 PM
Replies: 2
Views: 355
Posted By airguy
Rick, I'll take one set. Email on the way.

Rick, I'll take one set. Email on the way.
Forum: RV General Discussion/News 11-17-2022, 12:16 PM
Replies: 371
Views: 225,214
Posted By airguy
I was coming out of our home strip 73XS to KGGG,...

I was coming out of our home strip 73XS to KGGG, it was 2.1 from engine crank to shutdown, and I averaged 32 nm/gal.
Forum: RV General Discussion/News 11-17-2022, 10:36 AM
Replies: 28
Views: 1,527
Posted By airguy
The switch itself can certainly be replaced - I'm...

The switch itself can certainly be replaced - I'm not using their original switch - but you still need the rest of their hardware. Any momentary "down" and neutral mid/upper 3-position switch will...
Forum: RV General Discussion/News 11-17-2022, 09:22 AM
Replies: 371
Views: 225,214
Posted By airguy
I had a couple really high speeds yesterday...

I had a couple really high speeds yesterday morning, going east to Longview for work. At 17,500' I had a direct tailwind that peaked around 66 knots, I saw 219 knots ground speed in level cruise at...
Forum: RV General Discussion/News 11-17-2022, 08:23 AM
Replies: 28
Views: 1,527
Posted By airguy
I'm afraid it isn't that simple, you can't just...

I'm afraid it isn't that simple, you can't just change the switch. You will need some method of determining WHERE the flaps are, in order to know what the next step would be. The Show Planes system...
Forum: Traditional Aircraft Engines 11-17-2022, 08:05 AM
Replies: 11
Views: 1,252
Posted By airguy
Mahlon doesn't make mistakes very often...

Mahlon doesn't make mistakes very often...
Forum: RV-9/9A 11-17-2022, 07:48 AM
Replies: 11
Views: 887
Posted By airguy
Naahhhh.. that's just an opportunity to make it...

Naahhhh.. that's just an opportunity to make it your own. :cool:

If you haven't finished the wing/tanks yet, you can make the changes very easily. Attached here is the drawing for the "Tuckey Tanks"...
Forum: RV General Discussion/News 11-17-2022, 07:26 AM
Replies: 28
Views: 1,527
Posted By airguy
Lots of ways to lick this cat - but I love my...

Lots of ways to lick this cat - but I love my Show Planes positioning system.
Forum: Safety 11-14-2022, 10:18 AM
Replies: 291
Views: 42,887
Posted By airguy
From a strict engineering and evidentiary...

From a strict engineering and evidentiary perspective, that answer is just as likely as the one about poor design.
Forum: RV Ongoing Maintenance Issues 11-14-2022, 07:36 AM
Replies: 6
Views: 514
Posted By airguy
It's not terribly uncommon for the brake cylinder...

It's not terribly uncommon for the brake cylinder itself to be the problem rather than the pads/piston. If the brake pedal does not return FULLY then the system remains closed and can be slightly...
Forum: Safety 11-14-2022, 07:19 AM
Replies: 291
Views: 42,887
Posted By airguy
Yes, that is a problem - but it's a PILOT...

Yes, that is a problem - but it's a PILOT problem, not an equipment problem. You're not going to fix stupid by changing the rudder, they'll just rip something else off.
Forum: RV-12/RV-12iS 11-13-2022, 07:04 PM
Replies: 4
Views: 692
Posted By airguy
That's not a battery problem - it's an alternator...

That's not a battery problem - it's an alternator regulator problem - and it's serious.
Forum: Probable Cause Documents Discussed 11-12-2022, 09:59 PM
Replies: 13
Views: 1,476
Posted By airguy
Maybe playing chicken and don't want to admit it....

Maybe playing chicken and don't want to admit it.

I ain't touchin' it - YOU touch it...

Huh-uh, I ain't touchin' it...
Forum: RV General Discussion/News 11-12-2022, 08:00 AM
Replies: 21
Views: 1,840
Posted By airguy
I've had my 9A up to FL210 twice, and FL190...

I've had my 9A up to FL210 twice, and FL190 several times. Both times I went to FL210 it was to clear a layer of clouds during FL190 cruise to avoid picking up ice.

It's fun, but there's no real...
Forum: Alternative Engines 11-11-2022, 08:03 AM
Replies: 40
Views: 2,961
Posted By airguy
Same here, and 6 years later I'm STILL getting...

Same here, and 6 years later I'm STILL getting notes from people telling me I did it wrong. :D
Forum: RV-7/7A 11-11-2022, 08:00 AM
Replies: 5
Views: 389
Posted By airguy
+1 for Tom at TS Flightlines. Just get it done...

+1 for Tom at TS Flightlines. Just get it done right the first time.
Forum: RV-9/9A 11-10-2022, 10:04 AM
Replies: 22
Views: 1,386
Posted By airguy
I use the Reiff hot-pads on the sump with a...

I use the Reiff hot-pads on the sump with a cellphone-controlled switch, the Switcheon. As others have noted it works well over 3-4 hours, and even with 2 hours it will get my sump/oil into the...
Forum: Electrical Systems 11-08-2022, 08:09 AM
Replies: 10
Views: 1,156
Posted By airguy
Just buy it from Stein - you know it will be...

Just buy it from Stein - you know it will be right.
Forum: RV General Discussion/News 11-02-2022, 03:30 PM
Replies: 45
Views: 3,504
Posted By airguy
True enough - but that puts the length of flight...

True enough - but that puts the length of flight time well out of reach. 15 hours is long enough, I'll add the fuel onboard and burn it to keep the time enroute reasonable. Ya'll 20-something kids...
Forum: RV General Discussion/News 11-02-2022, 07:25 AM
Replies: 45
Views: 3,504
Posted By airguy
The 9 wing is the best of them, it loves flying...

The 9 wing is the best of them, it loves flying higher.
Forum: RV General Discussion/News 11-01-2022, 02:45 PM
Replies: 45
Views: 3,504
Posted By airguy
My flight calculations were for my worst case leg...

My flight calculations were for my worst case leg - California to Hawaii, westbound, against the likely headwinds to be found there. At normal fuel consumption and power rates, I can flight plan 155...
Forum: Texas (South) 11-01-2022, 07:29 AM
Replies: 2
Views: 404
Posted By airguy
Midland Airpark KMDD is easy in/out, handles most...

Midland Airpark KMDD is easy in/out, handles most of the business and private traffic. Northeast corner of Midland just under the Charlie airspace.
Forum: RV-9/9A 10-31-2022, 12:21 PM
Replies: 24
Views: 2,045
Posted By airguy
On the Surefly, can you adjust the MAP where the...

On the Surefly, can you adjust the MAP where the ignition curve comes in? I'm not familiar with them.
Forum: RV-9/9A 10-30-2022, 08:05 PM
Replies: 24
Views: 2,045
Posted By airguy
Hotter/longer spark duration will not affect...

Hotter/longer spark duration will not affect CHT's. Spark timing (when it occurs, not how long) WILL affect CHT's, as will mixture.
Forum: Traditional Aircraft Engines 10-30-2022, 07:16 PM
Replies: 10
Views: 913
Posted By airguy
Way too easy to do. I've had a few occasions...

Way too easy to do. I've had a few occasions where I jammed the throttle in for one reason or another while still LOP and advanced ignition but low enough altitude so the MAP could do some damage,...
Forum: RV General Discussion/News 10-30-2022, 12:22 PM
Replies: 45
Views: 3,504
Posted By airguy
Just playing with various ways to achieve max...

Just playing with various ways to achieve max range. I'm planning to take my 9A around the world one of these days, that requires some serious legs over water.
Forum: RV-9/9A 10-30-2022, 10:26 AM
Replies: 6
Views: 505
Posted By airguy
As suggested - take hardware store bolts to begin...

As suggested - take hardware store bolts to begin with, grind down the threads to make a tapered pin, that will help centralize the bolt holes and get them all lined up. Then freeze your final bolts...
Forum: RV General Discussion/News 10-30-2022, 10:20 AM
Replies: 45
Views: 3,504
Posted By airguy
I've done some of this, in my research for max...

I've done some of this, in my research for max range for RTW flights. I've loaded up on fuel and done some slower shallower climbs exploring exactly what you are talking about. My best results were...
Forum: RV General Discussion/News 10-29-2022, 08:34 PM
Replies: 45
Views: 3,504
Posted By airguy
Flaps, no. Altitude is always better, reduces...

Flaps, no.

Altitude is always better, reduces the pumping losses across the throttle. Ideally up in the oxygen altitudes where you can use wide-open throttle and still make 40%-50% power for an...
Forum: Primers 10-25-2022, 07:23 PM
Replies: 27
Views: 2,732
Posted By airguy
Incorrect.

Incorrect.
Forum: RV-9/9A 10-25-2022, 07:20 PM
Replies: 19
Views: 1,808
Posted By airguy
Same. I use 100, 90 and 80 as my max speed for...

Same. I use 100, 90 and 80 as my max speed for 10/20/full flaps.
Forum: Probable Cause Documents Discussed 10-25-2022, 10:49 AM
Replies: 33
Views: 5,010
Posted By airguy
Critical data points here for thought. From a...

Critical data points here for thought.

From a 2019 VAF posting - "Team Rocket supports John Harmon's statement, as mentioned by Danny Melnik in the post above, that aerobatic weight should not...
Forum: RV-10 10-25-2022, 10:34 AM
Replies: 9
Views: 1,926
Posted By airguy
I'm thinking I would treat that as a Phase I...

I'm thinking I would treat that as a Phase I opportunity. You are significantly altering the airflow over a very sensitive control area.
Forum: Probable Cause Documents Discussed 10-25-2022, 09:48 AM
Replies: 33
Views: 5,010
Posted By airguy
How did you determine it was flutter? The NTSB...

How did you determine it was flutter?

The NTSB did not.... "Although flutter was reported by both pilots and could not be ruled out, the damage to the
horizontal stabilizer was consistent with its...
Forum: Alternative Engines 10-22-2022, 06:45 PM
Replies: 46
Views: 9,584
Posted By airguy
That sounds right - I routinely see between 5.8...

That sounds right - I routinely see between 5.8 to 6.5 at altitudes between 15 and 17 in my 360.
Forum: RV-10 10-20-2022, 07:43 AM
Replies: 53
Views: 11,363
Posted By airguy
For what it's worth - the brake pads need to be...

For what it's worth - the brake pads need to be broken in as well before flight - this entails a couple good braking runs. My initial full-power engine test runs before first flight consisted of wide...
Forum: RV General Discussion/News 10-20-2022, 07:34 AM
Replies: 32
Views: 3,467
Posted By airguy
My uncle has a Rans S7, the insurance premium for...

My uncle has a Rans S7, the insurance premium for full coverage was in excess of 10% of the aircraft value per year.

He self-insures.
Forum: RV-10 10-19-2022, 06:50 PM
Replies: 53
Views: 11,363
Posted By airguy
Agreed. You need to check MAP, rpm, prop sweep,...

Agreed. You need to check MAP, rpm, prop sweep, maybe a mixture sweep, that's it.
Forum: Fuel Injection Systems 10-19-2022, 07:17 AM
Replies: 31
Views: 2,267
Posted By airguy
Heat load, if you ever want to run autofuel.

Heat load, if you ever want to run autofuel.
Forum: Fuel Injection Systems 10-18-2022, 07:48 PM
Replies: 31
Views: 2,267
Posted By airguy
Hmmm, nice packaging there, well done.

Hmmm, nice packaging there, well done.
Forum: RV General Discussion/News 10-18-2022, 05:22 PM
Replies: 15
Views: 1,936
Posted By airguy
It's the gummint. They don't need supporting...

It's the gummint. They don't need supporting evidence.
Forum: Texas (North) 10-18-2022, 07:50 AM
Replies: 5
Views: 650
Posted By airguy
I fly into KGGG often for work, highly recommend...

I fly into KGGG often for work, highly recommend KRS Jet Center, good people there. They will arrange a rent car for you as well.
Forum: Fuel Injection Systems 10-17-2022, 06:48 PM
Replies: 31
Views: 2,267
Posted By airguy
Where the main spar comes through the cabin, on...

Where the main spar comes through the cabin, on the forward side. There are already a couple small braces there where you drill holes and place grommets for the fuel line passthru, I added one for...
Forum: Fuel Injection Systems 10-16-2022, 06:37 PM
Replies: 31
Views: 2,267
Posted By airguy
I really don't like those 90-degree turns on the...

I really don't like those 90-degree turns on the suction line from the fuel tank. If you're going to burn 100LL all your life, it will work fine. If you want to run autofuel you will have issues with...
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