VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.






VAF on Twitter:
@VansAirForceNet


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 500
Search took 0.06 seconds.
Search: Posts Made By: BobTurner
Forum: RV-6/6A Today, 02:16 PM
Replies: 23
Views: 859
Posted By BobTurner
Quite a few years ago my 182 partner did this...

Quite a few years ago my 182 partner did this experiment. He really wanted to see how hard it was to stop the prop. He started with a power at idle-prop in coarse pitch glide. Then he pulled the...
Forum: Autopilots Yesterday, 08:53 PM
Replies: 14
Views: 774
Posted By BobTurner
1. Check for any free play between autopilot...

1. Check for any free play between autopilot servo and ailerons/elevator. This includes prior suggestion that maybe the shear screw is sheared.
3. Andrew: my recollection, maybe faulty, was that...
Forum: RV-6/6A Yesterday, 04:58 PM
Replies: 23
Views: 859
Posted By BobTurner
I disagree. Immediately after the compression...

I disagree. Immediately after the compression stroke is the power stroke, and, if there is no leakage past valves and rings, you get all that energy back. I think it is completely about throttling...
Forum: Glass Cockpit 11-29-2022, 09:08 PM
Replies: 28
Views: 4,237
Posted By BobTurner
200’/nm is the ‘standard’ climb gradient on...

200’/nm is the ‘standard’ climb gradient on missed approaches. If 200’/nm or less assures terrain clearance, it won’t be published on the MAP chart. The MAP for our local airport requires 385’/nm....
Forum: My RV Build Project 11-29-2022, 07:24 PM
Replies: 48
Views: 18,954
Posted By BobTurner
Just curious, what sort of endorsement is...

Just curious, what sort of endorsement is this?
Or do you mean dual required by your insurance company?
Forum: My RV Build Project 11-29-2022, 03:59 PM
Replies: 14
Views: 1,405
Posted By BobTurner
+1. So many are taught ‘aux pump on for landing...

+1. So many are taught ‘aux pump on for landing and take off’ but in reality the rule should be ‘aux pump on anytime close to the ground’ (e.g., 1000’ or less).

I didn’t quite understand the ‘switch...
Forum: Glass Cockpit 11-29-2022, 03:39 PM
Replies: 28
Views: 4,237
Posted By BobTurner
What is the climb gradient? I know in flat FL...

What is the climb gradient? I know in flat FL there’s nothing to hit, but visit the west, you’ll find many missed approach procedures that require a higher than standard climb gradient.
Forum: COMM 11-28-2022, 05:18 PM
Replies: 9
Views: 992
Posted By BobTurner
This is not true (I just looked at their web...

This is not true (I just looked at their web site). You do have to use their wiring harness.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-28-2022, 01:31 PM
Replies: 26
Views: 1,351
Posted By BobTurner
A little thread drift. The 430W does not display...

A little thread drift. The 430W does not display the chart. You still need a copy of the approach plate - whether paper or electronic - but the 430W data card won’t be involved.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-28-2022, 01:24 PM
Replies: 26
Views: 1,351
Posted By BobTurner
This is not quite correct. If you have a silver...

This is not quite correct. If you have a silver card, any of the readers will work. If you have the newer orange card, you need an updated orange Jepp reader or a Garmin reader, depending on your...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-28-2022, 12:39 AM
Replies: 26
Views: 1,351
Posted By BobTurner
Sorry for the thread drift. It happens a lot in...

Sorry for the thread drift. It happens a lot in internet forums.
Did you try calling the seller, see if he has a card reader? He may no longer have any use for it.
Forum: RV-7/7A 11-27-2022, 07:34 PM
Replies: 10
Views: 515
Posted By BobTurner
Are you using a one size too small set?

Are you using a one size too small set?
Forum: RV-4 11-27-2022, 06:03 PM
Replies: 10
Views: 442
Posted By BobTurner
You are correct, terrain chip is not required. If...

You are correct, terrain chip is not required. If following ifr rules you shouldn’t need it!
The nav data is on the left card, as seen from the seat.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-27-2022, 12:10 AM
Replies: 26
Views: 1,351
Posted By BobTurner
Yep. The issue is the TSO. It reportedly costs...

Yep. The issue is the TSO. It reportedly costs millions of engineering dollars. Garmin has long since amortized those costs. If needed they could significantly reduce their selling prices and still...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-26-2022, 07:15 PM
Replies: 26
Views: 1,351
Posted By BobTurner
These things seem to change faster than FAA...

These things seem to change faster than FAA administrators. Years ago you could verify and then use enroute fixes but not approaches. Then a few years ago we had the ‘verify up to date chart date...
Forum: RV General Discussion/News 11-26-2022, 04:34 PM
Replies: 22
Views: 1,282
Posted By BobTurner
As anything involving the government, it is...

As anything involving the government, it is complicated.
Most states that have a sales tax also have a ‘use tax’ (this is just an end-run around the constitutional prohibition on taxing interstate...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-26-2022, 03:39 PM
Replies: 26
Views: 1,351
Posted By BobTurner
You understand that legally you may not use an...

You understand that legally you may not use an expired database to shoot an approach under IFR. And, both Jepp and Garmin discourage this, by making a one time update cost much more than 1/12 an...
Forum: RV Building Tips/Techniques 11-25-2022, 01:50 PM
Replies: 11
Views: 594
Posted By BobTurner
Quite honestly this is a waste of time. You’ve...

Quite honestly this is a waste of time. You’ve already had a shop tell you your leak rate is unacceptable.
1. Use an apparatus similar to Carl’s first photo to draw a slight vacuum. Don’t forget to...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-25-2022, 12:59 PM
Replies: 26
Views: 1,351
Posted By BobTurner
Yes, 430W databases are available from Jepp. For...

Yes, 430W databases are available from Jepp. For a while, Jepp would match Garmin’s price (but you had to ask). Since their sale to Boeing, they are back to their higher pricing (an extra $150/yr...
Forum: RV-10 11-24-2022, 12:04 AM
Replies: 7
Views: 887
Posted By BobTurner
As you know, or should know, Vans strongly...

As you know, or should know, Vans strongly discourages turbo charging. Down low, there’s little gain. Up high, a turbo might inadvertently exceed Vne, which Vans specifies as a true airspeed.
Forum: RV-3 11-23-2022, 04:42 PM
Replies: 13
Views: 960
Posted By BobTurner
Here in the US your insurance company would set...

Here in the US your insurance company would set minimum tailwheel hours before they’d cover you. Not sure about Canada.
Forum: RV General Discussion/News 11-23-2022, 04:33 PM
Replies: 10
Views: 1,043
Posted By BobTurner
Suggest you check with the hangar owner and/or...

Suggest you check with the hangar owner and/or local fire codes. Here at LVK we’re not allowed to store empty gas cans (unless filled with water or other inert substance), leave alone full ones.
Forum: Glass Cockpit 11-23-2022, 12:31 PM
Replies: 11
Views: 767
Posted By BobTurner
I use a SkyRadar for adsb-in. Hard wired (USB) to...

I use a SkyRadar for adsb-in. Hard wired (USB) to the GRT Hx (and that’s how I usually use it). But it will also connect (wifi) to my iPad mini running WingX. WingX moving map shows traffic and wx...
Forum: RV-10 11-23-2022, 02:18 AM
Replies: 19
Views: 1,104
Posted By BobTurner
I recall that the instructions to use a fish...

I recall that the instructions to use a fish scale on the trailing edge of the elevators, and the allowed limits, were in some out of the way place in the manual, I don’t recall where.
Forum: RV General Discussion/News 11-23-2022, 02:15 AM
Replies: 11
Views: 1,276
Posted By BobTurner
Paid extra for lift gate service. Kits were...

Paid extra for lift gate service. Kits were unloaded and left at the entrance to my driveway. I think that’s standard. As is employing kamakaze fork lift drivers.
Forum: RV-6/6A 11-23-2022, 02:11 AM
Replies: 2
Views: 242
Posted By BobTurner
I can’t answer the first question as I used...

I can’t answer the first question as I used pre-existing wires on my -10 upgrade.
The second question (Can I use the same off-on switch) is yes.
Forum: Glass Cockpit 11-21-2022, 02:48 PM
Replies: 9
Views: 470
Posted By BobTurner
I agree, but note the caveat: “once calibrated”....

I agree, but note the caveat: “once calibrated”. If there is a first-flight issue requiring an immediate return, you’ll be making that first landing with no operating stall warning device.
Forum: Glass Cockpit 11-20-2022, 06:12 PM
Replies: 11
Views: 767
Posted By BobTurner
That’s not the OP’s question. If everything is...

That’s not the OP’s question. If everything is Garmin it will work. The question was, can a non-Garmin device display data on the Garmin navigator? I do not know, but I think the answer is ‘no’....
Forum: RV General Discussion/News 11-20-2022, 05:06 PM
Replies: 13
Views: 1,957
Posted By BobTurner
The answer (2 posts back) is ‘yes’. A delegate is...

The answer (2 posts back) is ‘yes’. A delegate is someone who flies your aircraft with your permission. No compensation of any kind is allowed between delegate and owner.
Edit: just for...
Forum: RV-10 11-19-2022, 01:08 AM
Replies: 31
Views: 2,813
Posted By BobTurner
What are the main tire pressures?

What are the main tire pressures?
Forum: RV General Discussion/News 11-17-2022, 10:58 PM
Replies: 19
Views: 1,445
Posted By BobTurner
+1. Same is true for the -10; takeoff near either...

+1. Same is true for the -10; takeoff near either cg limit, cg moves toward that limit as you burn gas. I have an excel spreadsheet that automatically calculates zero fuel cg, as well as takeoff cg....
Forum: Glass Cockpit 11-16-2022, 07:28 PM
Replies: 22
Views: 1,925
Posted By BobTurner
Like most other posters, I find these labor rates...

Like most other posters, I find these labor rates shocking. It's a new world, I guess. But I am also surprised at how many builders think wiring is something magical, beyond their reach. For me, the...
Forum: RV General Discussion/News 11-16-2022, 03:57 PM
Replies: 28
Views: 1,631
Posted By BobTurner
Vans - or someone else - sells (or at least, used...

Vans - or someone else - sells (or at least, used to sell) something close to this. A momentary push down on the switch (no need to hold), flaps extend to the next set point. Flip the switch up (no...
Forum: Electrical Systems 11-16-2022, 03:18 PM
Replies: 33
Views: 2,157
Posted By BobTurner
I have Hall sensors and like them. As you noted,...

I have Hall sensors and like them. As you noted, it is very hard to envision a sensor failure that would interrupt the power flow to the panel (we’re talking about a 9 gauge wire routed thru a torus...
Forum: GPS 11-16-2022, 02:09 PM
Replies: 7
Views: 262
Posted By BobTurner
My understanding of Canadian ifr rules is ‘two...

My understanding of Canadian ifr rules is ‘two independent nav sources’. Since a failure of the 650 could remove two nav sources, it only counts as one. Canadians need a second, independent box. My...
Forum: GPS 11-15-2022, 10:59 PM
Replies: 6
Views: 211
Posted By BobTurner
There’s no way to answer your question (‘How...

There’s no way to answer your question (‘How hard?’) without looking at the panel, what’s behind the panel, ease of access, etc. Remember the gps antenna will need replacement, too.
If you’d like to...
Forum: RV-14 11-15-2022, 10:52 PM
Replies: 22
Views: 2,339
Posted By BobTurner
Is the LED driven by a pulsed, or dc, current?...

Is the LED driven by a pulsed, or dc, current? DC, no problem. Pulsed, maybe. But move the antenna aft a bit, away from the LED wires.
It’s never a good idea to have multiple antennas close together;...
Forum: Electrical Systems 11-14-2022, 10:27 PM
Replies: 2
Views: 299
Posted By BobTurner
Sort of. The fuse must always protect the wire....

Sort of. The fuse must always protect the wire. If that makes the fuse too small for whatever the box draws, you need larger (smaller gauge) wire to go along with a larger fuse. If the fuse and wire...
Forum: RV-14 11-14-2022, 05:58 PM
Replies: 22
Views: 2,339
Posted By BobTurner
Except, he said he has a "14", presumably a tail...

Except, he said he has a "14", presumably a tail dragger - much closer to eye level.
Forum: Electrical Systems 11-14-2022, 04:40 PM
Replies: 42
Views: 2,560
Posted By BobTurner
I agree with John. Modern avionics should be well...

I agree with John. Modern avionics should be well protected against over-voltage, mostly because it’s so easy and cheap these days. I’d be more worried about low voltages - switching power supplies...
Forum: RV-10 11-11-2022, 11:02 PM
Replies: 7
Views: 2,379
Posted By BobTurner
Here’s an odd duck: my QB wings came with fuel...

Here’s an odd duck: my QB wings came with fuel tanks installed. But inspection revealed that every single fuel tank attach bolt was one size too long. The give-away was the 5 washers under every bolt...
Forum: RV General Discussion/News 11-11-2022, 03:10 PM
Replies: 21
Views: 1,845
Posted By BobTurner
Question This was always on my bucket list, but the hassle...

This was always on my bucket list, but the hassle of getting an ATC clearance plus changing my canula out for a mask seemed to be too much trouble. Now, I’ve gone to Basic Med, so, I guess I’ll never...
Forum: RV-4 11-10-2022, 07:54 PM
Replies: 23
Views: 2,581
Posted By BobTurner
+1. More specifically, if you don't bank the wind...

+1. More specifically, if you don't bank the wind will simply blow you sideways. The sideways force due to the wind is much larger than the sideways force from the rudder (the rotational torques are...
Forum: RV-4 11-08-2022, 11:25 AM
Replies: 23
Views: 2,581
Posted By BobTurner
I find this hard to believe. Perhaps you meant...

I find this hard to believe. Perhaps you meant ‘using full rudder in a slip requires a bank angle that I feel uncomfortable with’.
Forum: RV Building Tips/Techniques 11-07-2022, 12:33 AM
Replies: 19
Views: 828
Posted By BobTurner
On my 10 I used the Vans gauges [typo! Should...

On my 10 I used the Vans gauges [typo! Should have said senders], but I ran the analog data thru the GRT EFIS and calibrated then in 5 gal increments. They’re incredibly accurate. Only negative is...
Forum: ADS-B 11-06-2022, 09:06 PM
Replies: 4
Views: 357
Posted By BobTurner
mode A: squawk code only mode C: squawk code...

mode A: squawk code only
mode C: squawk code plus altitude
mode S: same as mode C but ATC can control it a bit (e.g., tell it not to reply)
mode S-ES (some companies just still use "S" and you have...
Forum: Job Board 11-02-2022, 11:55 AM
Replies: 22
Views: 1,627
Posted By BobTurner
When I was young (50 years ago) the ‘needs...

When I was young (50 years ago) the ‘needs glasses’ was not acceptable for new applicants. Maybe things have changed. Should be easy enough to find out - just call a recruiter.
Forum: Traditional Aircraft Engines 11-01-2022, 02:33 PM
Replies: 49
Views: 2,533
Posted By BobTurner
I would not be surprised if totally removing the...

I would not be surprised if totally removing the clamping screw still leaves some of the splines engaged, e.g, the arm will have to come off. But if you do this at the low tension end of the spring...
Forum: Traditional Aircraft Engines 11-01-2022, 02:25 PM
Replies: 49
Views: 2,533
Posted By BobTurner
Based on your previous work (4 turns increased...

Based on your previous work (4 turns increased rpm by xx) you should be able to make a good estimate of how many degrees to move the arm. Make sure to mark the current position with a sharpee before...
Forum: Traditional Aircraft Engines 11-01-2022, 02:17 PM
Replies: 49
Views: 2,533
Posted By BobTurner
When I was building I tried hard to keep a...

When I was building I tried hard to keep a notebook, to record anything I did that wasn’t spelled out in the plans (wiring, engine, etc). At the time I often said to myself, “What a waste of time....
Forum: RV-7/7A 11-01-2022, 01:22 PM
Replies: 28
Views: 1,670
Posted By BobTurner
+1, except, I’m not sure a personal chute helps...

+1, except, I’m not sure a personal chute helps much either.
In the first few years of Cirrus’ flying, they wracked up a horrible accident record. The general consensus was that the parachute gave...
Forum: RV-12/RV-12iS 10-31-2022, 01:08 PM
Replies: 5
Views: 654
Posted By BobTurner
I think Vans includes them in current kits to...

I think Vans includes them in current kits to help you locate ‘blind’ (you cannot see the other side) holes in fiberglass parts.
Forum: RV General Discussion/News 10-31-2022, 12:22 PM
Replies: 45
Views: 3,555
Posted By BobTurner
Of course you’re correct, our Hilo guy wanted max...

Of course you’re correct, our Hilo guy wanted max range. I just got so distracted by this idea that a quantified method of evaluating ‘pilot fatigue’ would be part of an engineering assessment of max...
Forum: RV-9/9A 10-31-2022, 01:28 AM
Replies: 24
Views: 2,074
Posted By BobTurner
I’d suggest first turning the timing advance off,...

I’d suggest first turning the timing advance off, back to fixed timing. If CHT’s return to normal then you know the issue is the timing advance, and you can decide what to do next. Run richer (are...
Forum: GPS 10-31-2022, 01:16 AM
Replies: 15
Views: 1,833
Posted By BobTurner
1. You can ask ATC radar to call the FAF for you....

1. You can ask ATC radar to call the FAF for you. That’s usually all the DME is needed for (unless also part of the missed approach procedure).

2. Not all ILS systems have converted to a DME fix....
Forum: RV General Discussion/News 10-31-2022, 12:48 AM
Replies: 45
Views: 3,555
Posted By BobTurner
This is the craziest thing I have ever heard...

This is the craziest thing I have ever heard (sorry about shooting the messenger). How does one quantify pilot fatigue? Besides, there are many airplanes where max endurance is comfortably above Vs....
Forum: RV General Discussion/News 10-30-2022, 05:16 PM
Replies: 45
Views: 3,555
Posted By BobTurner
I don’t understand. How can max endurance speed...

I don’t understand. How can max endurance speed differ from minimum power required speed?
Forum: Traditional Aircraft Engines 10-29-2022, 10:27 PM
Replies: 49
Views: 2,533
Posted By BobTurner
I bought a stock IO 540, Hatrzell prop, Hartzell...

I bought a stock IO 540, Hatrzell prop, Hartzell governor, prop control cable, all from Vans. I had to adjust the governor screws in the slotted holes (previously mentioned), play with the prop...
Forum: RV General Discussion/News 10-29-2022, 08:55 PM
Replies: 45
Views: 3,555
Posted By BobTurner
+1 on Greg’s post. A few details: 1. In theory...

+1 on Greg’s post. A few details:
1. In theory you want best glide speed, but in practice a little faster- because the cruise props most of us use are more efficient at speeds higher than best...
Forum: Traditional Aircraft Engines 10-29-2022, 08:38 PM
Replies: 49
Views: 2,533
Posted By BobTurner
Park in the dark with one of LVK’s sodium street...

Park in the dark with one of LVK’s sodium street lights close behind you, like over near the tower. Have a piece of white tape on the backside of the prop. As you adjust the rpm you should see the...
Forum: COMM 10-27-2022, 03:05 PM
Replies: 5
Views: 445
Posted By BobTurner
I can honestly say I made the same diagnosis...

I can honestly say I made the same diagnosis before reading post #2! But there’s really nothing special about that relay. You can most likely find a $10 replacement at digikey or similar. But it...
Forum: RV General Discussion/News 10-27-2022, 02:55 PM
Replies: 36
Views: 7,768
Posted By BobTurner
Smile Since, in my experience, the relative humidity in...

Since, in my experience, the relative humidity in Florida is always 100%, it will never evaporate.
Forum: RV General Discussion/News 10-25-2022, 01:51 PM
Replies: 18
Views: 1,796
Posted By BobTurner
I totally agree with what you said. But the FAA...

I totally agree with what you said. But the FAA itself has muddied the water. In their publications, wrt an airplane in level flight, they do not identify ‘lift’ as the total force acting in a single...
Forum: Glass Cockpit 10-24-2022, 08:44 PM
Replies: 12
Views: 1,186
Posted By BobTurner
As post #4 indicates, you can get by with the...

As post #4 indicates, you can get by with the right intercom, plus a switch to send mike and PTT to the desired radio. You may have to do some ‘switching’ with the radio volume controls.
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 02:26 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.