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Search: Posts Made By: BobTurner
Forum: RV General Discussion/News Today, 02:43 PM
Replies: 4
Views: 105
Posted By BobTurner
The usual approach to this problem is to slip an...

The usual approach to this problem is to slip an O ring or very short piece of rubber tubing around the rivet tail before riveting. The O ring or tubing should be small enough so that it doesn’t...
Forum: RV-4 Today, 01:48 AM
Replies: 28
Views: 3,183
Posted By BobTurner
There’s no need to ‘shout’. -:) Anemometers are...

There’s no need to ‘shout’. -:)
Anemometers are carefully designed so that, after they reach equilibrium with the wind, there is no net force. On the with the wind side, there is a force equal to...
Forum: ADS-B Today, 01:14 AM
Replies: 12
Views: 625
Posted By BobTurner
I think most adsb-in systems don’t display target...

I think most adsb-in systems don’t display target altitudes. Since adsb data contains both gps altitude and pressure altitude, the system displays an apples to apples difference: either the...
Forum: RV General Discussion/News Yesterday, 08:01 PM
Replies: 24
Views: 1,420
Posted By BobTurner
So, is that your A/W certificate at the top, in...

So, is that your A/W certificate at the top, in black and white? Think the FAA would object if you copied this onto pink paper? I kind of like the old-style!
Forum: RV-6/6A Yesterday, 07:55 PM
Replies: 30
Views: 1,335
Posted By BobTurner
Most feathering props are designed to work...

Most feathering props are designed to work ‘backwards’, e.g., no oil pressure moves them to full feather.
Forum: RV-4 Yesterday, 07:46 PM
Replies: 28
Views: 3,183
Posted By BobTurner
Huh? An anemometer is designed to measure the...

Huh? An anemometer is designed to measure the actual speed of the air going by, regardless of density or temperature. If this is not ‘true airspeed’ what is?
Forum: RV Building Tips/Techniques Yesterday, 07:01 PM
Replies: 15
Views: 1,229
Posted By BobTurner
Quick test: beg, borrow, or steal a hand-held...

Quick test: beg, borrow, or steal a hand-held that gets and decodes vors and/or ILS signals. Unplug the nav coax from the 650, plug it into the handheld, go fly. Still see the wag? Then ant...
Forum: COMM 12-01-2022, 07:35 PM
Replies: 2
Views: 145
Posted By BobTurner
Next time it happens try running just left...

Next time it happens try running just left ignition, then just right. If one or the other fixes it then you know where your problem is.
Forum: Engine Monitors 12-01-2022, 03:05 PM
Replies: 15
Views: 829
Posted By BobTurner
I think that’s exactly Mike’s suggestion back in...

I think that’s exactly Mike’s suggestion back in an early post, except he suggested looking for a used HS or WS display. If you can find one used, it won’t be too expensive, because you only need the...
Forum: RV-6/6A 12-01-2022, 02:41 PM
Replies: 30
Views: 1,335
Posted By BobTurner
If you carefully watch your ammeter during start,...

If you carefully watch your ammeter during start, I think you’ll see that it draws much more current during the first 180 deg of rotation (and is much more likely to ‘hang’) than it does once the...
Forum: RV-6/6A 12-01-2022, 02:16 PM
Replies: 30
Views: 1,335
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 11-30-2022, 08:53 PM
Replies: 15
Views: 939
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 11-30-2022, 04:58 PM
Replies: 30
Views: 1,335
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: 4,284
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: 18,992
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: 1,446
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: 4,284
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: 1,017
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: 1,390
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: 1,390
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: 1,390
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: 544
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: 469
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: 1,390
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: 1,390
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: 23
Views: 1,454
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: 1,390
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: 10
Views: 636
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: 1,390
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: 927
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: 994
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: 1,070
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: 778
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: 1,135
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: 1,321
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: 261
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: 483
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: 778
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: 1,961
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: 2,862
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: 1,449
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: 1,942
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: 1,642
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: 2,169
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: 269
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: 215
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: 2,370
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: 301
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: 2,370
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: 2,584
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: 2,388
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: 1,848
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: 28
Views: 3,183
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: 28
Views: 3,183
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: 836
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: 1,640
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: 2,574
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: 2,574
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: 2,574
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: 1,689
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: 657
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: 3,588
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: 2,101
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...
Showing results 1 to 64 of 500

 
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