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Search: Posts Made By: BobTurner
Forum: RV-14 Today, 02:17 PM
Replies: 4
Views: 113
Posted By BobTurner
Everyone agrees, standard trim speed is about...

Everyone agrees, standard trim speed is about right for take off/landing but too fast for cruise. There are devices like Safety Trim that will slow it down based on airspeed. I use my Trio autopilot...
Forum: RV-10 Yesterday, 10:53 PM
Replies: 11
Views: 359
Posted By BobTurner
Show Planes system, plus Ray Allan position...

Show Planes system, plus Ray Allan position sensor (displayed on grt efis).
Works fine.
Forum: Traditional Aircraft Engines Yesterday, 10:11 PM
Replies: 6
Views: 287
Posted By BobTurner
Debris in two seems like too much of a...

Debris in two seems like too much of a coincidence. I’d pull the spider ,and the screen on the fuel injection control unit, check for debris.
Forum: RV-12/RV-12iS 11-09-2019, 03:42 PM
Replies: 36
Views: 1,059
Posted By BobTurner
I don’t have a Dynon, but I cannot imagine that...

I don’t have a Dynon, but I cannot imagine that it doesn't display the input voltage somewhere. That’s the avionics buss voltage. What does it say, engine running? (otherwise, attach the voltmeter to...
Forum: RV-12/RV-12iS 11-09-2019, 03:16 PM
Replies: 36
Views: 1,059
Posted By BobTurner
The missing measurement here - the important one...

The missing measurement here - the important one - is: What is the buss voltage with the engine running? If it is not over 14 volts then you have a charging system issue. If it is over 14 (but less...
Forum: Glass Cockpit 11-07-2019, 08:51 PM
Replies: 4
Views: 326
Posted By BobTurner
I would keep the encoder. Here’s my logic: The...

I would keep the encoder. Here’s my logic: The original WS and HS GRT efis boxes can provide a gray code and/or an RS232 input to a transponder. I think the 320 needs the gray code. But gray codes...
Forum: RV General Discussion/News 11-06-2019, 02:11 PM
Replies: 5
Views: 367
Posted By BobTurner
Guys- My sense is that Frank is trying to avoid...

Guys- My sense is that Frank is trying to avoid de-mating the wings and trailering his plane somewhere else.
Frank - If you are willing to take the wings off, the flying particles has the hangar at...
Forum: Glass Cockpit 11-05-2019, 09:38 PM
Replies: 7
Views: 412
Posted By BobTurner
GRT connects to Android.

GRT connects to Android.
Forum: ADS-B 11-05-2019, 06:20 PM
Replies: 16
Views: 1,350
Posted By BobTurner
Read this thread, just posted: "FAA Acts To...

Read this thread, just posted:

"FAA Acts To Preserve ADS-B Data Privacy (1090 ES)"
Forum: RV-10 11-05-2019, 06:16 PM
Replies: 13
Views: 1,578
Posted By BobTurner
May be, but it's not that obvious. Remember,...

May be, but it's not that obvious. Remember, we're talking about keeping the power constant, so at higher RPM the internal combustion pressures will be lower. Less force on the connecting rod to...
Forum: RV-10 11-05-2019, 03:46 PM
Replies: 13
Views: 1,578
Posted By BobTurner
I think this is the wrong procedure. I think you...

I think this is the wrong procedure. I think you should have increased rpm, then decreased MP, until fuel flow was back to 11 gal/hr. The MP/RPM settings should match the IO-540 power chart so that...
Forum: GPS 11-05-2019, 11:44 AM
Replies: 6
Views: 348
Posted By BobTurner
This is a good question, I would like to learn...

This is a good question, I would like to learn more too. My guess is that the label is too simple - something like ‘CDI deviation’ - so different types of CDI data must be kept physically separate,...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-04-2019, 07:07 PM
Replies: 26
Views: 1,801
Posted By BobTurner
It’s variously called ‘free enterprise’,...

It’s variously called ‘free enterprise’, ‘competition’, or ‘a rip off’. When I flew to OR in 2017 for the eclipse, tie down was $100, camping on airport grounds was $150. When the superbowl was in...
Forum: GPS 11-04-2019, 06:53 PM
Replies: 6
Views: 348
Posted By BobTurner
Either remove, or cut and cap with shrink wrap,...

Either remove, or cut and cap with shrink wrap, the ‘ILS ARINC’ connections. Change the efis programing so it doesn’t expect anything on those inputs.
Forum: RV General Discussion/News 11-03-2019, 05:34 PM
Replies: 14
Views: 1,029
Posted By BobTurner
I must be confused. I thought Non-WAAS boxes...

I must be confused. I thought Non-WAAS boxes never had sufficient accuracy for ADSB use.
Forum: RV-10 11-02-2019, 08:46 PM
Replies: 13
Views: 1,578
Posted By BobTurner
How exactly did you do this? At 11 gal/hr and...

How exactly did you do this? At 11 gal/hr and 2200 rpm, if you increase rpm to 2500, the fuel flow would increase. Did you bring this back to 11 with the throttle, or mixture?
Forum: RV General Discussion/News 11-02-2019, 08:29 PM
Replies: 65
Views: 9,661
Posted By BobTurner
Most inexpensive multimeters just use an internal...

Most inexpensive multimeters just use an internal diode for ‘ac’. Procedure: connect multimeter to ‘hot’ wire, near alternator. Connect other multimeter lead to ground. Set multimeter to ac. Turn on...
Forum: RV General Discussion/News 11-02-2019, 04:55 PM
Replies: 50
Views: 8,501
Posted By BobTurner
Cirrus has stolen your idea, and is now marketing...

Cirrus has stolen your idea, and is now marketing an SR20 ‘trainer’ which has a gear lever and lights, but otherwise is still a fixed gear. (I too have thought about this. But I would have added an...
Forum: RV General Discussion/News 11-01-2019, 11:12 PM
Replies: 17
Views: 1,935
Posted By BobTurner
I don’t know the fraction that are equipped for...

I don’t know the fraction that are equipped for IFR. Certainly the -10, whose mission is x/c, are probably mostly ifr equipped.
BTW, you didn’t say: Are you thinking about buying a used RV, or...
Forum: Instrument Flight Rules 11-01-2019, 10:58 PM
Replies: 11
Views: 658
Posted By BobTurner
Good idea, but definitely not a regulatory...

Good idea, but definitely not a regulatory requirement.
Forum: Autopilots 11-01-2019, 03:55 PM
Replies: 25
Views: 2,447
Posted By BobTurner
For non-emergency use, the system clearly lacks...

For non-emergency use, the system clearly lacks the triple-redundancy built into cat III autopilots, so a rule change would be needed.

Since this system is designed for emergency use only, I think...
Forum: Instrument Flight Rules 11-01-2019, 03:41 PM
Replies: 11
Views: 658
Posted By BobTurner
91.109(b) specifically calls for rudder pedals...

91.109(b) specifically calls for rudder pedals for both pilots when conducting a flight review, so I agree, a flight review falls under the instruction rules.
Forum: Instrument Flight Rules 11-01-2019, 01:33 PM
Replies: 11
Views: 658
Posted By BobTurner
91.109(b) specifically mentions ‘dual rudder...

91.109(b) specifically mentions ‘dual rudder controls’ for flight reviews. To answer your question, they probably have friendly cfi’s who look the other way. Or they do it in a rental.
Forum: Instrument Flight Rules 11-01-2019, 01:23 AM
Replies: 11
Views: 658
Posted By BobTurner
No, not legally. Currency in make and model is...

No, not legally.
Currency in make and model is not required, as he is not PIC. He needs to be a private (or higher) pilot, single engine land.
But the FARs require fully functioning controls for both...
Forum: Glass Cockpit 10-31-2019, 04:13 PM
Replies: 29
Views: 1,242
Posted By BobTurner
You have it correct in your post 16. But download...

You have it correct in your post 16. But download the manuals, they have pictures. The reason the left-right (B-A) sequence seems odd is that it can only be ‘normal’ on one side. To the techs...
Forum: Glass Cockpit 10-31-2019, 02:01 PM
Replies: 29
Views: 1,242
Posted By BobTurner
+1+1+1 To the OP: more product ‘defects’ are due...

+1+1+1
To the OP: more product ‘defects’ are due to mis-wiring than anything else. Some manufacturers won’t warrantee equipment with a user-built wiring harness. Applying 12 volts to the wrong pin...
Forum: ADS-B 10-31-2019, 12:02 PM
Replies: 10
Views: 581
Posted By BobTurner
The purpose of a fuse/CB is to protect the...

The purpose of a fuse/CB is to protect the wiring. Make sure the wire gauge is adequate for the current draw, then size the CB for the wire’s capacity.
Forum: Glass Cockpit 10-29-2019, 08:13 PM
Replies: 29
Views: 1,242
Posted By BobTurner
I’d say he has been blessed with foresight - he...

I’d say he has been blessed with foresight - he waited long enough that GRT’s latest boxes will fit in the WS cutout.
And the HX is not outdated - just obsoleted, since the OEM display manufacturer...
Forum: Glass Cockpit 10-29-2019, 06:24 PM
Replies: 29
Views: 1,242
Posted By BobTurner
These look like the original GRT Horizon units -...

These look like the original GRT Horizon units - pre- the HS, then HX, versions. I don’t know if they can or cannot display ADSB data, you’ll need GRT to tell you.
Forum: RV Ongoing Maintenance Issues 10-29-2019, 03:47 PM
Replies: 46
Views: 3,250
Posted By BobTurner
Tim: was your first PP made before, and second PP...

Tim: was your first PP made before, and second PP made after, the change in ownership of PP? Think that caused any changes, pro or con?
Forum: RV General Discussion/News 10-29-2019, 12:26 PM
Replies: 40
Views: 4,892
Posted By BobTurner
Yep, and the last 4 digits were stamped on my...

Yep, and the last 4 digits were stamped on my underware and other clothes. Hopefully they are all long gone. But since the FAA also used to use SS numbers for licenses and I’m a cfi, my SS number is...
Forum: RV-10 10-29-2019, 12:19 PM
Replies: 7
Views: 717
Posted By BobTurner
Follow all the instructions. It is,...

Follow all the instructions. It is, unfortunately, necessary to check every single item in the instructions, even if they were supposedly done in the QB. Various QBs have had different things not...
Forum: Electrical Systems 10-26-2019, 11:38 AM
Replies: 25
Views: 2,328
Posted By BobTurner
Summary: There are lots of ways to do this. Do...

Summary: There are lots of ways to do this. Do you want to be able to spin the starter, mags off, for maintenance? Do you want the starter switch locked out when flying? Your choice.
Forum: RV General Discussion/News 10-26-2019, 11:34 AM
Replies: 20
Views: 1,683
Posted By BobTurner
+1 on this. I used to have xm but it failed me on...

+1 on this.
I used to have xm but it failed me on occasion- it thought I didn’t subscribe and needed to be re-initialized - requiring cell or internet contact to fix. (XM in my car and at home has...
Forum: RV General Discussion/News 10-26-2019, 01:37 AM
Replies: 20
Views: 1,683
Posted By BobTurner
Scott, not quite sure what you meant by the above...

Scott, not quite sure what you meant by the above quote. But IMHO, due to the latency, neither product is suitable for close in penetration of an area of thunderstorms. And, either product does a...
Forum: California 10-26-2019, 01:20 AM
Replies: 5
Views: 530
Posted By BobTurner
I’m based at KLVK, have a -10 that I built...

I’m based at KLVK, have a -10 that I built 2007-2011, flying since then. And from 1995-2010 I was a partner in a 182. Be happy to show you the plane, talk, etc. You can PM or email me.
Bob

Email at...
Forum: Electrical Systems 10-25-2019, 06:53 PM
Replies: 25
Views: 2,328
Posted By BobTurner
I think you got it. Use an ohmmeter. The wire...

I think you got it. Use an ohmmeter. The wire which is going to go to the 12 volts should flow thru the mag switches when the right mag is off (down) and the left mag is on(up), and on to the start...
Forum: Electrical Systems 10-25-2019, 05:24 PM
Replies: 25
Views: 2,328
Posted By BobTurner
Having both switches up but the right mag...

Having both switches up but the right mag grounded would be unconventional. You don’t want your switches ‘lying’ to you. Here’s what most would do:
Notice each mag switch is really two switches...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-24-2019, 10:04 PM
Replies: 17
Views: 1,621
Posted By BobTurner
+1. And, if something were to go wrong,...

+1. And, if something were to go wrong, instruction given to others (not named on the policy) is rarely covered by typical insurance policies.
Forum: Glass Cockpit 10-24-2019, 01:19 PM
Replies: 13
Views: 1,117
Posted By BobTurner
Don’t forget to price out the complete system....

Don’t forget to price out the complete system. Maybe you really want a brand X autopilot. Will the proposed efis support brand X? Maybe you want ADSB-in; Will your proposed efis display adsb data...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-24-2019, 01:06 PM
Replies: 17
Views: 1,621
Posted By BobTurner
+1. This is exactly correct. And the ‘student’...

+1. This is exactly correct. And the ‘student’ must have a legitimate need for the training. And the insurance is expensive. I, and several other cfi’s I know of, have stopped doing transition...
Forum: RV-14 10-23-2019, 07:58 PM
Replies: 6
Views: 776
Posted By BobTurner
IMHO it is technically illegal to install a TSO’d...

IMHO it is technically illegal to install a TSO’d gps, intended for ifr use, unless you follow the installation instructions in the TSO installation manual. That says to mount the antenna externally....
Forum: RV General Discussion/News 10-23-2019, 07:48 PM
Replies: 14
Views: 1,223
Posted By BobTurner
As I mentioned earlier, nav signals are...

As I mentioned earlier, nav signals are horizontally polarized, com signals are vertical. Whichever antenna you choose, nav or com, the other is likely to be very compromised. I suggest go for the...
Forum: RV General Discussion/News 10-23-2019, 07:42 PM
Replies: 5
Views: 413
Posted By BobTurner
I have the one from post #2, works great.

I have the one from post #2, works great.
Forum: RV General Discussion/News 10-22-2019, 02:15 PM
Replies: 14
Views: 1,223
Posted By BobTurner
I would tip the Archer - ground leg as high as...

I would tip the Archer - ground leg as high as possible, parallel radiating element as low as possible - to help with the fact that ATC com antennas are vertically polarized. Won’t hurt nav reception...
Forum: RV-10 10-22-2019, 11:38 AM
Replies: 26
Views: 2,322
Posted By BobTurner
On inspecting my 2008 QB wings, I found the fuel...

On inspecting my 2008 QB wings, I found the fuel tanks attached with bolts that had multiple washers under their heads. I pulled one; the bolt was one size longer than called for. Evidently the QB...
Forum: Electronic Ignition Systems 10-21-2019, 01:47 PM
Replies: 8
Views: 386
Posted By BobTurner
First, a lecture: You own an EAB airplane. You...

First, a lecture: You own an EAB airplane. You really should make an effort to know what you own, inside and out.
You need to find out what kind of mags you have.
If you carefully turn the prop by...
Forum: RV-14 10-21-2019, 12:35 PM
Replies: 8
Views: 888
Posted By BobTurner
For most avionics, this is true. But the...

For most avionics, this is true. But the magnetometer is designed to look at the steady-state earth’s magnetic field, so any stray fields-even dc ones-can affect it.
The first time you forget to...
Forum: RV Building Tips/Techniques 10-20-2019, 11:17 PM
Replies: 4
Views: 600
Posted By BobTurner
Stall angle of attack will not vary with airspeed.

Stall angle of attack will not vary with airspeed.
Forum: RV-14 10-20-2019, 05:10 PM
Replies: 9
Views: 752
Posted By BobTurner
+1 Some screwdrivers are just better than others....

+1
Some screwdrivers are just better than others. I had a Craftsman #2 Phillips that would reliably remove damaged screws when others would not. It’s now retired due to wear, but if they still made...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-17-2019, 04:17 PM
Replies: 2
Views: 315
Posted By BobTurner
If you want to fly/drive to KLVK, you can have...

If you want to fly/drive to KLVK, you can have most of what I have (‘usual’ recommended number for a QB 10) in return for a donation to VAF. I’d like to keep a few in case I need to do a small repair...
Forum: RV General Discussion/News 10-17-2019, 04:12 PM
Replies: 7
Views: 548
Posted By BobTurner
In 2009 I noted that the price of engines was...

In 2009 I noted that the price of engines was escalating faster than inflation, faster than the stock market. So I ‘invested’ in an engine (with preservation oil, etc.) well before I needed it.
OTOH,...
Forum: RV General Discussion/News 10-17-2019, 02:22 PM
Replies: 16
Views: 2,204
Posted By BobTurner
Please change this. People have died trying to...

Please change this. People have died trying to ‘save the airplane’, rather than saving themselves (e.g., refused to land in a field, tried to make the airport.) One psychological but important...
Forum: RV-10 10-15-2019, 08:34 PM
Replies: 9
Views: 646
Posted By BobTurner
Poor English, I guess. Yes, I meant take them off...

Poor English, I guess. Yes, I meant take them off the rims. If you also swap left and right, you won’t change the direction of rotation. I’m not sure if that is important or not.
Forum: RV General Discussion/News 10-15-2019, 05:05 PM
Replies: 4
Views: 465
Posted By BobTurner
The instruction manual for the -10 gave specific...

The instruction manual for the -10 gave specific examples of how to reinforce cutouts in the subpanel. For the ribs, Vans does not approve so you’re on your own.
Forum: Tools 10-15-2019, 04:45 PM
Replies: 8
Views: 612
Posted By BobTurner
This will work, but it’s not quite as nice....

This will work, but it’s not quite as nice. Quality dimple dies are ‘springback’ compensated, e.g. the aluminum does not take a perfect set, but springs back a bit. The die is lightly larger than the...
Forum: RV-10 10-15-2019, 12:15 PM
Replies: 9
Views: 646
Posted By BobTurner
Because the wheels hang down in flight, you...

Because the wheels hang down in flight, you always touch down on the outer edge of the tire. Demount the tires, swap left and right, double their life.
Forum: ADS-B 10-14-2019, 12:34 AM
Replies: 25
Views: 1,597
Posted By BobTurner
Almost surely not your main problem, but ‘gps...

Almost surely not your main problem, but ‘gps antenna offset-longitudinal’ is the antenna to nose distance; probably not zero.
Forum: ADS-B 10-12-2019, 05:37 PM
Replies: 60
Views: 7,545
Posted By BobTurner
I do not think you can request certain times. You...

I do not think you can request certain times. You always get data from the entire flight closest to the time (Z) you entered.
Forum: ADS-B 10-12-2019, 05:13 PM
Replies: 25
Views: 1,597
Posted By BobTurner
Yes, it should show pressure altitude and squawk...

Yes, it should show pressure altitude and squawk code. If you are hard wired to your transponder, something is wrong - maybe the baud rates or format. If your UAT ‘sniffs’ this data wirelessly, you...
Forum: COMM 10-11-2019, 06:55 PM
Replies: 1
Views: 504
Posted By BobTurner
1. Listen to ATIS using pilot headphones jack 2....

1. Listen to ATIS using pilot headphones jack
2. Turn power to the intercom off
3. Turn up SL40 volume
Is the distortion still there? If yes, the problem is in the SL40. If no, the problem is in the...
Forum: Engine Monitors 10-11-2019, 01:47 AM
Replies: 3
Views: 322
Posted By BobTurner
Don’t know the issue here, But once you figure it...

Don’t know the issue here, But once you figure it out, re-set max CHT to something reasonable (425?). No matter what Lycoming says, 500 F is ludicrous.
When the red light comes on, the screen should...
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