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Search: Posts Made By: BobTurner
Forum: Autopilots Today, 12:26 AM
Replies: 2
Views: 87
Posted By BobTurner
90% of the time it’s wiring. Start at the...

90% of the time it’s wiring. Start at the gps-efis switch, trace the arinc pair back to your grt arinc, check connections. Look around for any other disconnected wires.
Your photos don’t seem to show...
Forum: Glass Cockpit 06-19-2021, 02:02 PM
Replies: 2
Views: 96
Posted By BobTurner
You must have selected ‘needles’ as the display...

You must have selected ‘needles’ as the display mode. This puts full sized needles on top of the pfd display. GRT says it is too cluttered to show both the left-right deviation dots and the...
Forum: RV-12/RV-12iS 06-18-2021, 10:57 AM
Replies: 7
Views: 672
Posted By BobTurner
This is probably a typo but if it really did have...

This is probably a typo but if it really did have RG59 coax, that is the wrong impedance for aircraft radios and antennas.
Forum: RV Building Tips/Techniques 06-17-2021, 07:11 PM
Replies: 4
Views: 205
Posted By BobTurner
Take the wrench you're using to get at the nut....

Take the wrench you're using to get at the nut. Attach a fish scale to the other end, and pull perpendicular to the wrench. Torque is the pounds on the fish scale times the distance between the nut...
Forum: Electrical Systems 06-17-2021, 06:56 PM
Replies: 28
Views: 8,446
Posted By BobTurner
For these frequencies (BTW nav is 108-117 MHz)...

For these frequencies (BTW nav is 108-117 MHz) the length hardly matters, as long as you have good coax (RG-400 is "good"). Putting the splitter close to the nav radio will save you a few dollars, as...
Forum: Electrical Systems 06-17-2021, 03:27 PM
Replies: 28
Views: 8,446
Posted By BobTurner
It’s not ‘clutter” but signal strength. An ideal...

It’s not ‘clutter” but signal strength. An ideal splitter will send half the localizer to the (wrong) GS output, and half the GS (bad) to the localizer output. e.g., it litterally splits everything...
Forum: Glass Cockpit 06-16-2021, 10:12 PM
Replies: 8
Views: 428
Posted By BobTurner
The FARs say it must meet the performance...

The FARs say it must meet the performance requirements….not necessarily actually carry a TSO.
Forum: RV-7/7A 06-15-2021, 04:47 PM
Replies: 3
Views: 197
Posted By BobTurner
Unlike some designs,FlyLED simply uses a series...

Unlike some designs,FlyLED simply uses a series resistor to limit current flow thru the LED. The wire resistance will appear in series with that built in resistor, and make negligible difference. The...
Forum: ADS-B 06-14-2021, 05:58 PM
Replies: 12
Views: 451
Posted By BobTurner
First thing to check is the 480 software. I don’t...

First thing to check is the 480 software. I don’t know the version number, but boot it up holding down the correct button (I forget which) to bring up the internal set up menu. Then find the RS232...
Forum: RV-10 06-13-2021, 07:48 PM
Replies: 5
Views: 511
Posted By BobTurner
If you care to post your location you might get...

If you care to post your location you might get an offer of a free ride. RV builders love to show off their planes.
As to your question: in past OSH get togethers Vans has offered rides. But usually...
Forum: RV-6/6A 06-13-2021, 07:31 PM
Replies: 10
Views: 579
Posted By BobTurner
Just a thought. For the -10 (don’t know about the...

Just a thought. For the -10 (don’t know about the -6), Vans specifies their foam stiffness to give crush space in case of a vertical impact. (You sit above the spar).
Forum: RV-10 06-13-2021, 05:34 PM
Replies: 4
Views: 686
Posted By BobTurner
Yes, you can skip to other areas. But read all...

Yes, you can skip to other areas. But read all the instructions carefully, make sure you don’t ‘paint yourself into a corner’.
Forum: RV-10 06-13-2021, 05:24 PM
Replies: 9
Views: 1,078
Posted By BobTurner
I think the other posters have hit the important...

I think the other posters have hit the important things. I do think the Plane around door latch is a nice backup (but really a poor excuse for a PIC failure - a ‘latch pin outside the airframe’ is...
Forum: Painting your RV 06-13-2021, 12:52 AM
Replies: 5
Views: 339
Posted By BobTurner
If you have a shop in mind, ask them now. Some...

If you have a shop in mind, ask them now. Some shops will not guarantee their work unless they’ve done the prep and prime.
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-10-2021, 11:45 PM
Replies: 6
Views: 455
Posted By BobTurner
Read the closed post last looked at at 1:23 pm...

Read the closed post last looked at at 1:23 pm Pacific time. Read the references therein. Basically, as a result of a court ruling, the FAA has changed its position, and now considers that an...
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-10-2021, 09:47 PM
Replies: 6
Views: 455
Posted By BobTurner
Timely. Read the locked thread posted today about...

Timely. Read the locked thread posted today about the FAA’s reaction to a recent court decision. For now, you need an RV with a LODA. Not hard, no cost, but there’s paperwork and the fsdo to deal...
Forum: Instrument Flight Rules 06-10-2021, 07:27 PM
Replies: 7
Views: 874
Posted By BobTurner
Like, it seems, most of the others, I still use...

Like, it seems, most of the others, I still use pen and paper. I tried using my finger on the iPad; I couldn't read my own handwriting!! (It was a mini). Yes, I drop pens. So I keep at least a half...
Forum: RV-12/RV-12iS 06-08-2021, 11:44 PM
Replies: 12
Views: 1,107
Posted By BobTurner
I recall back when ‘Aviation Maintenance’ was a...

I recall back when ‘Aviation Maintenance’ was a paperback publication. They called wheel bearing greasing “…the most over-performed maintenance out there”. At least, they said, it was cheap and hard...
Forum: Glass Cockpit 06-08-2021, 10:19 PM
Replies: 17
Views: 952
Posted By BobTurner
Strictly speaking this is not correct. You cannot...

Strictly speaking this is not correct. You cannot legally use the non-TSO’d gps for navigation under IFR. But you can call ATC and ask, ‘How about a radar vector direct Salt Lake on, like, heading...
Forum: Glass Cockpit 06-08-2021, 03:25 PM
Replies: 17
Views: 952
Posted By BobTurner
Another advantage of a modern efis/mfd is engine...

Another advantage of a modern efis/mfd is engine monitoring. I know of quite a few pilots that failed to notice 0 amps on the ammeter, and flew until the battery died. That will never happen with a...
Forum: ADS-B 06-08-2021, 03:06 PM
Replies: 8
Views: 640
Posted By BobTurner
To see transponder only traffic, here in the...

To see transponder only traffic, here in the US:
You communicate with adsb ground station. ATC radar sees other aircraft, sends info to ground stations. Ground station sends it up to you. Since...
Forum: Trip Write-ups 06-08-2021, 11:51 AM
Replies: 10
Views: 899
Posted By BobTurner
Glad you had a good trip. I don’t own a -9, but...

Glad you had a good trip. I don’t own a -9, but ‘everyone’ says they fly well at altitude. So I’m surprised by your low climb rate at 10500. Were you particularly heavy? Mixture leaned for best power?
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-08-2021, 11:43 AM
Replies: 30
Views: 3,058
Posted By BobTurner
I would like to understand the argument, that...

I would like to understand the argument, that active noise cancelation hurts your hearing. Can you elaborate?
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-07-2021, 07:23 PM
Replies: 30
Views: 3,058
Posted By BobTurner
Make certain you search for the posts from DanH...

Make certain you search for the posts from DanH on the deadly smoke and fumes that can come from stuff on the cabin side of the firewall, should there be an engine fire.
Because of the way humans...
Forum: Safety 06-07-2021, 07:12 PM
Replies: 57
Views: 5,149
Posted By BobTurner
Interesting. I commonly observe the opposite...

Interesting. I commonly observe the opposite problem. Put a PP in a 172, doing a Flight Review. Pull power to idle, announce, ‘engine failure, what are you going to do?’. We’re within easy gliding...
Forum: COMM 06-07-2021, 03:50 PM
Replies: 3
Views: 188
Posted By BobTurner
Jim, Another option would be to route your grt...

Jim, Another option would be to route your grt warning tones to the com 3 input - assuming you don’t now, nor ever will, have three coms.
Disadvantage: you would have to remember to always have com 3...
Forum: COMM 06-07-2021, 12:01 PM
Replies: 3
Views: 188
Posted By BobTurner
1. Yes, and this should work okay. Each signal...

1. Yes, and this should work okay. Each signal will be somewhat less loud than before, but, not too noticeable. With the GRT there is a software adjustment for the volume, anyway. If you had 4 or 5...
Forum: RV-10 06-06-2021, 11:45 PM
Replies: 12
Views: 1,804
Posted By BobTurner
Ross, Here’s my numbers, mostly from 2 adults...

Ross,
Here’s my numbers, mostly from 2 adults plus bags flights:
Empty weight: 1607 lbs., gross weight 2700 lbs, ROC I’m not sure, as I haven’t done Vy climbs since phase one (at full power Vy...
Forum: Glass Cockpit 06-06-2021, 02:08 PM
Replies: 17
Views: 952
Posted By BobTurner
I’d second Carl’s approach. You can start with...

I’d second Carl’s approach. You can start with any of the ‘mini’ efis units - a GRT mini, garmin g5, or the Dynon. Since you have nothing now, mount it right in front of you. When you’re ready for...
Forum: RV General Discussion/News 06-06-2021, 11:44 AM
Replies: 11
Views: 977
Posted By BobTurner
Resistors are not physically strong, and should...

Resistors are not physically strong, and should be mechanically supported. Compare your photo (poor) to the sketch (good) on the instructions.
Forum: RV Ongoing Maintenance Issues 06-06-2021, 01:21 AM
Replies: 19
Views: 1,240
Posted By BobTurner
Scott, I don’t think that is correct. On the -10,...

Scott, I don’t think that is correct. On the -10, it is true for most loadings. But if the CG is very close to the forward limit, then, as you burn fuel, it moves more forward. So, for the -10, you...
Forum: RV General Discussion/News 06-05-2021, 06:10 PM
Replies: 81
Views: 14,466
Posted By BobTurner
Well, this is a bit misleading. Little to do with...

Well, this is a bit misleading. Little to do with confidence. The only time Mogas is questionable with regards to octane requirements is during full power operations, e.g., takeoff/climb. At lower...
Forum: RV-12/RV-12iS 06-05-2021, 12:12 AM
Replies: 6
Views: 977
Posted By BobTurner
+1 Tom posts here as ‘TS Flightlines’. He can get...

+1
Tom posts here as ‘TS Flightlines’. He can get you Teflon hoses with no 5 year limit.
Forum: Places To Fly...Things to See...Things to Eat 06-04-2021, 10:06 PM
Replies: 2
Views: 248
Posted By BobTurner
We stopped in Cedar City 7-8 years ago, late...

We stopped in Cedar City 7-8 years ago, late August. The FBO was friendly and tried, but every single hotel room was booked by transient fire-fighting crews!
Forum: RV-14 06-04-2021, 07:30 PM
Replies: 33
Views: 3,034
Posted By BobTurner
Did you include prop, firewall forward kit? Lots...

Did you include prop, firewall forward kit?
Lots of little things add up. Strobes/nav lights/landing lights. Antennas.
Around here a pro paint job is >$12K. Some nice interiors are expensive, too...
Forum: Safety 06-04-2021, 04:33 PM
Replies: 57
Views: 5,149
Posted By BobTurner
I think you can do better with flaps retracted.

I think you can do better with flaps retracted.
Forum: Safety 06-04-2021, 02:28 PM
Replies: 57
Views: 5,149
Posted By BobTurner
As the narrator said, about the Bonanza (but also...

As the narrator said, about the Bonanza (but also somewhat true for the RV), the issue is a relatively (compared to the cub and 172) higher best glide speed. The higher Vglide means a larger radius...
Forum: Glass Cockpit 06-04-2021, 01:06 PM
Replies: 16
Views: 795
Posted By BobTurner
Ever see a (old fashioned) TV antenna up on a...

Ever see a (old fashioned) TV antenna up on a roof, with lots of horizontal aluminum elements with no wires attached (except to one)? Those aluminum pieces are sized to resonate near the TV signal;...
Forum: Glass Cockpit 06-04-2021, 12:25 PM
Replies: 16
Views: 795
Posted By BobTurner
Do the installation instructions specify a...

Do the installation instructions specify a maximum allowed length of RG400?
Do you have a strobe light out there? Might check it for interference (Look at signal strength page, strobes off. Turn them...
Forum: Glass Cockpit 06-04-2021, 12:12 PM
Replies: 16
Views: 795
Posted By BobTurner
Experimenting is great; just be careful to...

Experimenting is great; just be careful to account for all the variables before reaching a conclusion. e.g., a lot of folks throw the antenna somewhere, say ‘it works’ and move on. Then comes the day...
Forum: GPS 06-03-2021, 09:32 PM
Replies: 8
Views: 620
Posted By BobTurner
Gtn-650

I frequently fly right seat in the local flying club’s GTN-650 equipped aircraft. I’m right handed, so operate the 650’s touch screen left handed. Any kind of turbulence, and I hit the wrong place...
Forum: RV-14 06-03-2021, 06:03 PM
Replies: 4
Views: 503
Posted By BobTurner
At the 'end' of the build (airplane is ready for...

At the 'end' of the build (airplane is ready for first flight) the builder signs it off as "in a safe condition for flight". (For technical reasons the FAA doesn't approve of the use of the word...
Forum: RV General Discussion/News 06-02-2021, 10:35 PM
Replies: 44
Views: 4,911
Posted By BobTurner
The current market is tough, and basically, yes,...

The current market is tough, and basically, yes, low time (both total and in-type) pilots are seeing very high quotes.

As to quotes, in principle, it should be sufficient to ask one broker, plus...
Forum: RV-8/8A 06-02-2021, 10:02 PM
Replies: 2
Views: 347
Posted By BobTurner
Yes it’s acceptable. A by-product of welding is...

Yes it’s acceptable. A by-product of welding is loss of tolerances.
Forum: Safety 06-02-2021, 08:00 PM
Replies: 33
Views: 1,762
Posted By BobTurner
Ryan, A couple of others have sort of touched on...

Ryan,
A couple of others have sort of touched on this, but the only person whose opinion really matters is...the insurance company. Give a broker (I use Gallagher) a call and ask them what the...
Forum: RV General Discussion/News 06-01-2021, 07:14 PM
Replies: 26
Views: 2,442
Posted By BobTurner
I liked the music -:) Notice the film never...

I liked the music -:)

Notice the film never mentioned the mixture control, not once?
Forum: RV-12/RV-12iS 06-01-2021, 01:18 PM
Replies: 27
Views: 1,424
Posted By BobTurner
Okay, here’s the correction: E AB built...

Okay, here’s the correction:
E AB built inspections are fine, if you are the original (or one of the original) builder(s) AND THE FAA HAS GIVEN YOU a ‘limited repairman ‘ certificate, or have your...
Forum: RV General Discussion/News 05-31-2021, 10:08 AM
Replies: 26
Views: 2,442
Posted By BobTurner
Larry, we seem to have drifted off topic. I think...

Larry, we seem to have drifted off topic. I think everyone agrees, neither a carb nor a FI system properly keeps fuel/air mixture ratio constant when the air density is changing. But the OP was about...
Forum: RV-8/8A 05-30-2021, 11:30 PM
Replies: 20
Views: 1,628
Posted By BobTurner
A good place to start is to review the EAB rules:...

A good place to start is to review the EAB rules: There is NO required instrumentation for day vfr operations, although that probably conflicts with your rule #1. If you’re planning on any cross...
Forum: RV-8/8A 05-30-2021, 02:04 PM
Replies: 9
Views: 408
Posted By BobTurner
Tolerance build up? My ailerons were built in the...

Tolerance build up? My ailerons were built in the Philippines so I’m not sure, but I had this issue (just outboard end of left aileron, maybe 1/16”, maybe 3/32”, is all it took. It happens, Vans...
Forum: RV General Discussion/News 05-30-2021, 01:49 PM
Replies: 26
Views: 2,442
Posted By BobTurner
Since I wrote the post referred to, I’ll...

Since I wrote the post referred to, I’ll comment:
1. I did say that, wrt setting up best power during a normal runup, ‘you need to trust your FI system’ to maintain that mixture at full power.
2. I...
Forum: RV-8/8A 05-30-2021, 01:19 PM
Replies: 9
Views: 408
Posted By BobTurner
Hopefully before doing that you have read the...

Hopefully before doing that you have read the many threads on (1) squeezing the folded edge ailerons and (2) checking/fixing the vertical height of the ailerons. 1/16” makes a big difference.
Forum: Rocket 05-30-2021, 01:08 PM
Replies: 4
Views: 521
Posted By BobTurner
1. Usual advice is to use hardware store bolts...

1. Usual advice is to use hardware store bolts for temporary installations. Save the expensive bolts for final installation.
2. Chill the bolts to shrink them. Ice works, dry ice better. Use a little...
Forum: RV General Discussion/News 05-29-2021, 07:25 PM
Replies: 26
Views: 2,442
Posted By BobTurner
I second this technique, and, further, I’d do it...

I second this technique, and, further, I’d do it during the takeoff roll, assuming adequate runway length.
The other option is to lean during run-up, find peak egt, then enrichen by 150 F, and trust...
Forum: RV-8/8A 05-29-2021, 07:06 PM
Replies: 26
Views: 1,765
Posted By BobTurner
No, you wouldn’t be stupid. But first check with...

No, you wouldn’t be stupid. But first check with an insurance broker (I use Gallagher) to avoid any unpleasant surprises.
Forum: RV-12/RV-12iS 05-28-2021, 05:33 PM
Replies: 28
Views: 1,671
Posted By BobTurner
Are you saying you use the same noise-canceling...

Are you saying you use the same noise-canceling headsets in other aircraft, and they work okay? Just not in your airplane? This points to RF being picked up on the audio line to your headset, and...
Forum: RV-12/RV-12iS 05-28-2021, 01:39 PM
Replies: 28
Views: 1,671
Posted By BobTurner
It's always a battle between noise reduction and...

It's always a battle between noise reduction and weight. The "classic" DC passive headsets do a good job of noise reduction. But on a long flight they hurt. It's their weight. I've used both, and I'd...
Forum: RV-8/8A 05-28-2021, 01:30 PM
Replies: 4
Views: 384
Posted By BobTurner
Welcome to EAB airplanes! Basics: in case you're...

Welcome to EAB airplanes!
Basics: in case you're not yet up to speed, there is an important difference between you getting instruction in someone else's airplane, versus your own. If the CFI is...
Forum: RV Building Tips/Techniques 05-28-2021, 12:34 PM
Replies: 17
Views: 1,076
Posted By BobTurner
I believe it was PT Barnum that said, “No one...

I believe it was PT Barnum that said, “No one ever went broke underestimating the intelligence of the American people.”
Forum: RV General Discussion/News 05-27-2021, 03:25 PM
Replies: 11
Views: 738
Posted By BobTurner
Are you sure you want PWM dimmers? These...

Are you sure you want PWM dimmers? These glareshield strips typically have built-in dropping resistors, and dim well with a simple rheostat-supplied voltage. For high power applications the rheostat...
Forum: RV General Discussion/News 05-27-2021, 02:01 PM
Replies: 22
Views: 1,732
Posted By BobTurner
IIRC the builder signs the plane off as “...in a...

IIRC the builder signs the plane off as “...in a condition for safe flight” BEFORE the first flight.
Forum: RV-4 05-26-2021, 05:40 PM
Replies: 14
Views: 1,248
Posted By BobTurner
On takeoff and climb (full throttle), obviously...

On takeoff and climb (full throttle), obviously there's a bit of a loss with your setup. But I think the biggest difference will be if you regularly cruise at full-throttle altitudes (e.g., above...
Forum: RV Building Tips/Techniques 05-25-2021, 09:00 PM
Replies: 21
Views: 1,633
Posted By BobTurner
IMHO the issue is that the FARs are full of...

IMHO the issue is that the FARs are full of subjective terms, leading to wildly different interpretations. How is it possible that the AOPA contest -10 met the ‘contrasting background’ FAR 45.21 test...
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-25-2021, 05:31 PM
Replies: 5
Views: 752
Posted By BobTurner
This is a rat’s nest. I am not a lawyer, but I...

This is a rat’s nest. I am not a lawyer, but I have read my EAB policy, and here’s what it says:
1. Open pilot clause. If someone who meets the open pilot clause experience standards is allowed to...
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