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Search: Posts Made By: BobTurner
Forum: RV General Discussion/News Today, 05:37 PM
Replies: 2
Views: 45
Posted By BobTurner
Call the FSDO where it was originally given its...

Call the FSDO where it was originally given its AW certificate. They should have a copy.
Forum: RV General Discussion/News Today, 05:34 PM
Replies: 27
Views: 2,107
Posted By BobTurner
I thought ‘flop tubes’ were for negative g...

I thought ‘flop tubes’ were for negative g maneuvers. I don’t see how they help in a slip.
BTW, if you use the ‘wing low (sideslip)’ method for crosswind landings, you face the same issues.
Forum: Reviews Yesterday, 12:44 AM
Replies: 18
Views: 1,338
Posted By BobTurner
I hope you’re not suggesting more FAA rules. They...

I hope you’re not suggesting more FAA rules. They did exactly that for instrument proficiency checks a few years ago, with the result that the typical IPC I give is now longer (and therefore more...
Forum: RV-10 02-19-2018, 11:57 PM
Replies: 13
Views: 1,258
Posted By BobTurner
I had a nearby construction equipment rental...

I had a nearby construction equipment rental place that rented me a tilt-bed truck. I took a tape measure, only one of their trucks had a wide enough bed. I made two trips to the airport (main...
Forum: Reviews 02-19-2018, 11:48 PM
Replies: 18
Views: 1,338
Posted By BobTurner
Don, please do call the FAA. They’ll probably...

Don, please do call the FAA. They’ll probably laugh. They know that cfi’s that are ‘too hard’ quickly get that reputation. After that they get no business. The faa is more concerned with cfi’s that...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 02-19-2018, 06:46 PM
Replies: 21
Views: 1,205
Posted By BobTurner
+1. Worse, most of my commercial one-day-late...

+1.
Worse, most of my commercial one-day-late arrivals were equipment or crew related, not the weather.
Forum: Glass Cockpit 02-18-2018, 11:56 PM
Replies: 18
Views: 728
Posted By BobTurner
As Jesse said, you can calibrate the GRT to read...

As Jesse said, you can calibrate the GRT to read accurately if, say, the fuel level sensor is loaded by an analog gauge. But, if the analog gauge fails, then the GRT won’t read correctly either. I’d...
Forum: RV-10 02-18-2018, 03:42 PM
Replies: 13
Views: 862
Posted By BobTurner
Welcome to the madness! Tools: When someone says...

Welcome to the madness!
Tools: When someone says ‘tool X is a must-have’, it usually isn’t. e.g., I built a 10 without a drill press. You’ll figure out what you need.
Compressor: if you want to paint...
Forum: RV General Discussion/News 02-16-2018, 03:27 PM
Replies: 4
Views: 657
Posted By BobTurner
As you know, this business of periodic renewals...

As you know, this business of periodic renewals is new. I *think* there was a phase-in period of 6 years so the FAA could catch up. (??) e.g., my first registration was 2011, then 2017, next due in...
Forum: RV General Discussion/News 02-14-2018, 12:38 PM
Replies: 33
Views: 1,646
Posted By BobTurner
Be careful! I’m pretty sure Cessnas, and probably...

Be careful! I’m pretty sure Cessnas, and probably others too, have a backup vacuum relief valve built into their tank caps. So their good field experience does not necessarily prove their main vent...
Forum: Glass Cockpit 02-13-2018, 01:44 PM
Replies: 3
Views: 286
Posted By BobTurner
To go from heading track to tracking the gps: 1....

To go from heading track to tracking the gps:
1. Select your gps as the primary nav source;
2. Change “heading” to “ENAV”.
Do not select GNAV. That requires a gps that furnishes roll commands, etc.,...
Forum: RV-14 02-12-2018, 05:18 PM
Replies: 19
Views: 1,318
Posted By BobTurner
Since the AOA systems usually need in-flight...

Since the AOA systems usually need in-flight calibration, you might consider installing the factory stall warning system for the first flight(s); remove it later if you wish.
Forum: Canada 02-12-2018, 03:02 PM
Replies: 3
Views: 256
Posted By BobTurner
It’s essentially line of sight to a ground...

It’s essentially line of sight to a ground station, so it very much depends on altitude, with higher being better.
Forum: Autopilots 02-12-2018, 12:06 PM
Replies: 12
Views: 894
Posted By BobTurner
Take a look at the Trio Pro. I have a preference...

Take a look at the Trio Pro. I have a preference for a clutch connected servo (Trio) which is physically disconnected when not in use.
I’m not sure any non-Garmin equipment plays well with Garmin,...
Forum: Glass Cockpit 02-09-2018, 12:15 AM
Replies: 12
Views: 434
Posted By BobTurner
I think you’ll need another ARINC pair from the...

I think you’ll need another ARINC pair from the 430 GPS arinc out to the second efis arinc in.
Not sure what the transponder rs232 out to efis-in does. Mabe it should be transponder out to 430 in, to...
Forum: Glass Cockpit 02-08-2018, 07:39 PM
Replies: 12
Views: 434
Posted By BobTurner
OKay, I went and looked at the EX manual. Note...

OKay, I went and looked at the EX manual. Note Bill and myself are quoting our experience with Horizon series (Hx/HS).
The EX does not have enough analog inputs to use the 430 analog data outputs, so...
Forum: Glass Cockpit 02-08-2018, 12:48 PM
Replies: 12
Views: 434
Posted By BobTurner
Go to the grt web page, look at wiring diagram...

Go to the grt web page, look at wiring diagram for Hx displays: 2 efis, 1 430. You’ll see the second efis is wired using the analog outputs from the 430. This is a backup in case the arinc converter...
Forum: GPS 02-07-2018, 08:15 PM
Replies: 13
Views: 526
Posted By BobTurner
This is a horrible idea. Even good connectors...

This is a horrible idea. Even good connectors introduce some loss.
Edit: see Ray’s post for a more thourough explanation.
Forum: RV-12 02-07-2018, 07:09 PM
Replies: 24
Views: 3,095
Posted By BobTurner
Not sure what your efis does, but the grt will...

Not sure what your efis does, but the grt will show you exactly what the glide range is, given the current calculated wind, rate of descent, ground speed.
Forum: Glass Cockpit 02-07-2018, 06:51 PM
Replies: 5
Views: 448
Posted By BobTurner
Since your airplane is not an EAB, I’d start by...

Since your airplane is not an EAB, I’d start by contacting Garmin to make sure the necessary paperwork exists for an sf260.
Forum: GPS 02-07-2018, 04:00 PM
Replies: 13
Views: 526
Posted By BobTurner
This is technically incorrect. The impedance of...

This is technically incorrect. The impedance of coaxial cable is independent of its length.
Forum: RV-10 02-07-2018, 02:30 PM
Replies: 7
Views: 603
Posted By BobTurner
It’s fun to dream, but way too early to lock...

It’s fun to dream, but way too early to lock yourself into avionics choices. Avionics choices change every year; todays choices will be obsolete by the time you fly.
Forum: RV General Discussion/News 02-07-2018, 02:24 PM
Replies: 16
Views: 1,530
Posted By BobTurner
Since he was not the builder of the airplane he...

Since he was not the builder of the airplane he is not eligible to get a Limited Repairman certificate, to do annual condition inspections.
Forum: Glass Cockpit 02-07-2018, 02:09 PM
Replies: 12
Views: 434
Posted By BobTurner
I’m not so sure. I *think* you can wire the...

I’m not so sure. I *think* you can wire the analog CDI outputs from the 430 to an analog input on the Sport, and generate a localizer display. This will not work for VOR data without some way of...
Forum: RV-12 02-07-2018, 01:51 PM
Replies: 24
Views: 3,095
Posted By BobTurner
I agree with George: wind is important. Not only...

I agree with George: wind is important. Not only does it affect glide range, it also changes optimum glide speed. Some (all?) modern efis’s will do the calculation for you: e.g., on my GRT Hx, if I...
Forum: RV General Discussion/News 02-05-2018, 10:21 PM
Replies: 4
Views: 438
Posted By BobTurner
I think the answer is yes, to both questions.

I think the answer is yes, to both questions.
Forum: Safety 02-05-2018, 02:59 PM
Replies: 35
Views: 3,565
Posted By BobTurner
Problem is, no one really knows what that is, or...

Problem is, no one really knows what that is, or if it even exists. Most of the data comes from studies of WW II survivors of the atomic bombings. These individuals clearly suffered elevated cancer...
Forum: ADS-B 02-05-2018, 12:25 PM
Replies: 3
Views: 266
Posted By BobTurner
You’ll notice that we are all quoting US rules....

You’ll notice that we are all quoting US rules. In the UK they may be different, so you’ll need to do some research. For example, in the US the GRT ‘2020’ GPS is an approved position source for the...
Forum: RV General Discussion/News 02-05-2018, 12:03 PM
Replies: 27
Views: 1,326
Posted By BobTurner
I think this was in reference to powering the...

I think this was in reference to powering the LEDs off 12 volts.
Forum: RV General Discussion/News 02-05-2018, 11:57 AM
Replies: 37
Views: 5,979
Posted By BobTurner
I think you mis-read. He is in Canada, and during...

I think you mis-read. He is in Canada, and during phase 1 was required to have a “no passengers” placard. Not required in the US. Here in the US, you must have and may not remove the “passenger...
Forum: RV General Discussion/News 02-05-2018, 12:07 AM
Replies: 27
Views: 1,326
Posted By BobTurner
If you parallel the switches, then if one pilot...

If you parallel the switches, then if one pilot commands nose down while the other pilot commands nose up, you’ll blow the fuse or CB.
Forum: Glass Cockpit 02-04-2018, 10:32 PM
Replies: 11
Views: 991
Posted By BobTurner
The grt documentation is not all that great. But...

The grt documentation is not all that great. But whether it’s a GRT HXr or a Garmin 650, it’s a mistake to think you can just hop in and figure it out in 30 minutes. These new avionics have...
Forum: ADS-B 02-02-2018, 11:57 AM
Replies: 18
Views: 1,623
Posted By BobTurner
Anonymous mode is automatically turned off if you...

Anonymous mode is automatically turned off if you squawk anything other than 1200.
Forum: RV-10 02-02-2018, 12:39 AM
Replies: 62
Views: 7,579
Posted By BobTurner
Richest is -10F. Leanest about -20F. Full...

Richest is -10F. Leanest about -20F. Full throttle, 2250 rpm.
Forum: RV-10 02-01-2018, 08:09 PM
Replies: 62
Views: 7,579
Posted By BobTurner
At 11,000' I usually run 160 KTAS at 9.5 gal/hr...

At 11,000' I usually run 160 KTAS at 9.5 gal/hr LOP. One data point
Forum: COMM 02-01-2018, 10:49 AM
Replies: 9
Views: 395
Posted By BobTurner
Also, the SL30, while a fine nav unit, cannot...

Also, the SL30, while a fine nav unit, cannot calculate distances, it is not a DME substitute. But it can display the bearing to a second VOR, so if you have an approach with a VOR cross fix a single...
Forum: COMM 01-30-2018, 09:09 PM
Replies: 9
Views: 395
Posted By BobTurner
As the previous post said, you need to add one...

As the previous post said, you need to add one external switch to the panel, to switch the PTT line between radios.
You can run the nav audio to the Dynon intercom’s Aux input; or, internal to the...
Forum: RV General Discussion/News 01-30-2018, 11:15 AM
Replies: 10
Views: 994
Posted By BobTurner
Ed has it right. If low cost is your goal, buy a...

Ed has it right. If low cost is your goal, buy a used GTX327 (selling here on vaf for $400); buy a uAvionics Echo ($1K) plus their gps ($400) and an iPad to display -in data.
If you want all-new:...
Forum: Glass Cockpit 01-28-2018, 12:26 AM
Replies: 11
Views: 991
Posted By BobTurner
I have an Hx with a remote mounted Trig TT22...

I have an Hx with a remote mounted Trig TT22 transponder. My preference is to directly see and directly control avionics, but as you said, panel real estate is precious. I did put a remote ident...
Forum: RV General Discussion/News 01-27-2018, 06:30 PM
Replies: 17
Views: 898
Posted By BobTurner
A few comments: It will be louder than a 172....

A few comments:
It will be louder than a 172. You're close behind an engine that is more than 50% more powerful (engine/prop noise) and going a lot faster (wind noise). For the same reason, "small"...
Forum: RV-10 01-27-2018, 01:22 PM
Replies: 7
Views: 533
Posted By BobTurner
I was about to ask Scott this very question. So,...

I was about to ask Scott this very question. So, it’s to protect us from ourselves (for those unable or unwilling to do cg calculations)?
Forum: RV-10 01-26-2018, 07:34 PM
Replies: 62
Views: 7,579
Posted By BobTurner
As I said in my previous post, IF you run 75% ROP...

As I said in my previous post, IF you run 75% ROP (15 gal/hr) then the stock tanks are, IMHO, a bit too small for many applications/flights. So, yes, I think your friend is being a bit too...
Forum: RV-10 01-26-2018, 03:54 PM
Replies: 62
Views: 7,579
Posted By BobTurner
For tankering, it's a whole lot more cost...

For tankering, it's a whole lot more cost effective to just carry 5 gal cans of gas in the cabin. And, remember that just carrying the extra weight around will cost you a bit of extra gas.
Again, if...
Forum: ADS-B 01-26-2018, 03:39 PM
Replies: 32
Views: 2,990
Posted By BobTurner
+1 Unless you're sure you won't want or need...

+1
Unless you're sure you won't want or need ADSB, the planning should start from the beginning: Will my choice of EFIS display ADSB data from brand X, or will I be locked into brand Y, and will I be...
Forum: ADS-B 01-26-2018, 03:31 PM
Replies: 32
Views: 2,990
Posted By BobTurner
NO, this is not true. Canada has no ADSB...

NO, this is not true. Canada has no ADSB requirement (at least not at RV altitudes). And AK is the same as the lower 48 (it is part of the US!). Now, I think some places like Bermuda may become a...
Forum: RV-10 01-26-2018, 03:11 PM
Replies: 62
Views: 7,579
Posted By BobTurner
I'm not trying to talk you out of this, if it's...

I'm not trying to talk you out of this, if it's what you want. But I don't think you should use the excuse of IFR operations to do it, as long as you're willing to fly LOP. LOP you have nearly 6...
Forum: Traditional Aircraft Engines 01-25-2018, 06:43 PM
Replies: 17
Views: 1,203
Posted By BobTurner
You said the engine kicked back, more than...

You said the engine kicked back, more than once.These events have been known to break gear teeth, so I can’t imagine they’re good for the alternator either. I find it hard to believe a small timing...
Forum: RV-7/7A 01-25-2018, 11:50 AM
Replies: 10
Views: 1,280
Posted By BobTurner
Since com transmissions (unlike VOR) use vertical...

Since com transmissions (unlike VOR) use vertical polarization, you also should have mounted it as high (or low) on the rib as possible; and then bent it (close to the rib) down (or up) as much as...
Forum: RV General Discussion/News 01-25-2018, 12:03 AM
Replies: 22
Views: 1,399
Posted By BobTurner
I don’t think there are any real options. You...

I don’t think there are any real options. You need to go to a dealer, who will send it to Garmin. The dealer’s charge may be negotiable, but not Garmin’s.
Forum: California 01-24-2018, 11:57 PM
Replies: 17
Views: 960
Posted By BobTurner
Do you mean east of the Sierras? That’s a long...

Do you mean east of the Sierras? That’s a long drive. The high grounds just east of the Bay are called ‘hills’, although they’re mountains by Mo standards. As others have said, hangars are scarce. At...
Forum: RV General Discussion/News 01-24-2018, 02:24 PM
Replies: 10
Views: 626
Posted By BobTurner
I have two Sierras for passengers, two zulus for...

I have two Sierras for passengers, two zulus for the wife and myself. The zulus fit my head better (the adjustment mechanisms are different), the zulus are a bit lighter, and imho sound a bit better....
Forum: RV-10 01-23-2018, 01:20 AM
Replies: 17
Views: 1,046
Posted By BobTurner
You’ll want more than a sketch. The length,...

You’ll want more than a sketch. The length, width, thickness, and material in the little parallel plate capacitor are fairly critical.
I put my ground leg under the nut plates, fastened with the nut...
Forum: RV General Discussion/News 01-22-2018, 05:00 PM
Replies: 53
Views: 3,603
Posted By BobTurner
There is a wrist band available that discharges a...

There is a wrist band available that discharges a small current into the nerves under your wrist. ‘Relief band’ ? Something like that. I know some people that swear by them, for preventing air...
Forum: RV General Discussion/News 01-22-2018, 04:55 PM
Replies: 31
Views: 2,058
Posted By BobTurner
Not so bad...

Actually, for every pound of gas Mr. Lycoming burns 3 pounds of oxygen. All the rest of the air just passes thru. So you carry 25% of the fuel. Since a gas engine is a heat engine, it’s only 40% or...
Forum: RV-10 01-18-2018, 08:56 PM
Replies: 37
Views: 2,828
Posted By BobTurner
+1. I have had exactly the same experience. One...

+1. I have had exactly the same experience. One Archer-clone with the high current leading arm bent down as much as possible; one belly whip. The wingtip is generally not as good, but nowhere near as...
Forum: RV-10 01-18-2018, 05:51 PM
Replies: 18
Views: 1,717
Posted By BobTurner
Buying is a matter of the heart as much the mind,...

Buying is a matter of the heart as much the mind, so I offer no comment on that. As to your last question, you or anyone can work on the plane as much as you desire. Once a year, an annual ‘condition...
Forum: RV-10 01-18-2018, 04:04 PM
Replies: 37
Views: 2,828
Posted By BobTurner
What is your risk tolerance? Some have opted to...

What is your risk tolerance? Some have opted to fly ifr with a single efis and one gps nav radio, nothing more. The FAA says it’s legal, but is it wise? What’s your plan if that one gps box goes...
Forum: RV General Discussion/News 01-18-2018, 03:56 PM
Replies: 14
Views: 1,285
Posted By BobTurner
As the above post notes, it is contrary to the...

As the above post notes, it is contrary to the FARs to rent out an RV. However, it is not that hard to get a waiver (“LODA” in faa-speak) for transition training. A bigger obstacle will be money, if...
Forum: RV-10 01-17-2018, 11:40 PM
Replies: 37
Views: 2,828
Posted By BobTurner
Not what you asked, but I’d say skip the cat...

Not what you asked, but I’d say skip the cat whisker. Put in an ‘Archer’ wingtip antenna. Gain 1/4 knot, keep from poking out your eye.
Most people seem to be skipping static wicks, too.
Forum: COMM 01-16-2018, 05:15 PM
Replies: 24
Views: 2,052
Posted By BobTurner
Before I invest in voice recognition in the...

Before I invest in voice recognition in the cockpit, I’ll need to be convinced that it works reliably. I have a 2006 Honda:
Me: “Set temperature to 69.”
Car:”AM radio 690” (promptly changes the...
Forum: ADS-B 01-16-2018, 05:02 PM
Replies: 190
Views: 18,804
Posted By BobTurner
Do not arbitrarily change the ‘ground speed...

Do not arbitrarily change the ‘ground speed parameter’. This sets when the type of data transmitted changes (e.g., wingspan is only transmitted in ground mode). Making it too high or low will give...
Forum: Glass Cockpit 01-15-2018, 01:04 PM
Replies: 24
Views: 1,762
Posted By BobTurner
I misspoke in post #4. My EFIS is off during...

I misspoke in post #4. My EFIS is off during engine start, but my EIS (engine instruments - GRT puts them in a separate box) is on (GRT says this is okay), and a bright red light is also on until...
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