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Search: Posts Made By: ChiefPilot
Forum: RV Photo/Video URLs 12-09-2017, 08:48 PM
Replies: 2
Views: 744
Posted By ChiefPilot
RatFlight Departure

Wiki (lead) and Polack (wing) departed today for a great formation flight that included fingertip, breakups, and rejoins as well as scissors, yo-yos, rollers, and more. The air was smooth, and the...
Forum: Instrument Flight Rules 12-06-2017, 02:26 PM
Replies: 15
Views: 1,556
Posted By ChiefPilot
I can't say enough good things about my IFD. I...

I can't say enough good things about my IFD. I wish I had done it sooner.
Forum: RV General Discussion/News 12-05-2017, 06:43 PM
Replies: 50
Views: 7,124
Posted By ChiefPilot
I don't believe I ever said anyone should use any...

I don't believe I ever said anyone should use any specific thing, only that I use ATF. I also don't pretend to be morally superior by claiming to use something just because it's certified and I...
Forum: RV General Discussion/News 12-05-2017, 02:11 PM
Replies: 50
Views: 7,124
Posted By ChiefPilot
The irony with your statement is almost too much.

The irony with your statement is almost too much.
Forum: RV General Discussion/News 12-05-2017, 02:08 PM
Replies: 50
Views: 7,124
Posted By ChiefPilot
I've been using Mobil ATF in my brakes for the...

I've been using Mobil ATF in my brakes for the last 5 years and 900+ hours. No problems. It has a higher flash point than 5606 - I had a much harder time inducing ATF to combustion than 5606 when...
Forum: RV-7/7A 11-30-2017, 03:12 PM
Replies: 6
Views: 823
Posted By ChiefPilot
They fly closely enough that most wouldn't be...

They fly closely enough that most wouldn't be able to tell a difference between the two. There are, of course, subjective opinions but for the most part I think builder preferences and options are...
Forum: RV General Discussion/News 11-29-2017, 12:42 PM
Replies: 64
Views: 7,864
Posted By ChiefPilot
My guess? Something that is easier to build...

My guess? Something that is easier to build than the RV-8, but isn't quite as fast or as maneuverable.

I'm pretty much in the F-4 Raider camp for my next project at this point.
Forum: RV General Discussion/News 11-28-2017, 02:18 PM
Replies: 12
Views: 942
Posted By ChiefPilot
I had worse luck with those than I did with the...

I had worse luck with those than I did with the AN stainless screws. I've since thrown them all out.
Forum: RV General Discussion/News 11-28-2017, 08:10 AM
Replies: 12
Views: 942
Posted By ChiefPilot
Plans showed blind rivets I believe. Builders...

Plans showed blind rivets I believe. Builders often upgraded; I used #6 screws with tinnermans and nutplates. Piano hinge was/is another common method. Best way would be to look at the particular...
Forum: RV General Discussion/News 11-20-2017, 03:52 PM
Replies: 11
Views: 1,075
Posted By ChiefPilot
Check your operating limitations doc. It likely...

Check your operating limitations doc. It likely says something about the aircraft along these lines:

(6) This aircraft is prohibited from operating in congested airways or over densely populated...
Forum: RV-6/6A 11-17-2017, 09:23 AM
Replies: 32
Views: 3,221
Posted By ChiefPilot
I prefer a short approach over base / final when...

I prefer a short approach over base / final when possible - it keeps the runway nicely in sight at all times. Turning close to the ground is no big deal for me. And, as Sam points out, extra...
Forum: RV-7/7A 11-15-2017, 12:19 PM
Replies: 30
Views: 3,495
Posted By ChiefPilot
What Tim says is correct - it's all about how it...

What Tim says is correct - it's all about how it fits *you*. I'm 6'5" and fit in my 6A very comfortably. But I built it that way. I've been in 7s where I've felt very cramped.

Which is another...
Forum: RV General Discussion/News 11-15-2017, 07:30 AM
Replies: 11
Views: 942
Posted By ChiefPilot
I suspect you're probably good. I did the FWF on...

I suspect you're probably good. I did the FWF on mine using -7A drawings & parts, and anything needed for the instrument panel is most likely going to be fabricated from sheet/angle/etc. anyway. ...
Forum: RV General Discussion/News 11-14-2017, 09:13 AM
Replies: 11
Views: 942
Posted By ChiefPilot
Where are you in your build?

Where are you in your build?
Forum: RV General Discussion/News 11-10-2017, 10:29 PM
Replies: 48
Views: 4,252
Posted By ChiefPilot
No, I totally get it - a chart like you provided...

No, I totally get it - a chart like you provided is pretty common in sailplanes. I understood Bob's post to be that Van should publish Vne as a single IAS airspeed as many/most brand B/C/P piston...
Forum: RV General Discussion/News 11-10-2017, 02:23 PM
Replies: 74
Views: 8,515
Posted By ChiefPilot
It will for some, undoubtedly. The...

It will for some, undoubtedly. The kind-of-ironic thing is that those will mostly be the same folks that couldn't install a new part (wing rib, for example) by themselves anyway.
Forum: RV General Discussion/News 11-10-2017, 10:54 AM
Replies: 33
Views: 3,235
Posted By ChiefPilot
++PostCount;

++PostCount;
Forum: Rocket 11-10-2017, 07:59 AM
Replies: 20
Views: 1,976
Posted By ChiefPilot
As I think about an F-4 project, I lean towards...

As I think about an F-4 project, I lean towards the RV-8 wing since it has more area due to it's span. This results in a lower wing loading and a lower spanwise loading which results in a smaller...
Forum: RV General Discussion/News 11-10-2017, 07:36 AM
Replies: 48
Views: 4,252
Posted By ChiefPilot
But for everyone else they should live with a...

But for everyone else they should live with a lower performance limit? I.e. an RV-9's redline at 15,000' is 145kts IAS. It can easily and safely exceed that at 3500', but your suggestion would...
Forum: RV General Discussion/News 11-09-2017, 10:00 PM
Replies: 48
Views: 4,252
Posted By ChiefPilot
There is nothing stopping you from putting the...

There is nothing stopping you from putting the red line on your airspeed indicator wherever you want it instead of where Van's suggested. But I bet you haven't done it...
Forum: RV General Discussion/News 11-09-2017, 05:05 PM
Replies: 33
Views: 3,235
Posted By ChiefPilot
I'm only at 7.something posts per month, so take...

I'm only at 7.something posts per month, so take this with an appropriately sized grain of salt.

There are people here on VAF who have tons of knowledge and experience; when I see their names I...
Forum: RV General Discussion/News 11-09-2017, 12:51 PM
Replies: 21
Views: 1,733
Posted By ChiefPilot
Poll is bad because it uses a generic term -...

Poll is bad because it uses a generic term - "support" - which means different things to different people.

Does support mean "provides individual kits"?
Does support mean "provides spare...
Forum: RV General Discussion/News 11-03-2017, 01:53 PM
Replies: 19
Views: 2,186
Posted By ChiefPilot
I've used a Shorai LiFePO4 battery for a while...

I've used a Shorai LiFePO4 battery for a while (hundreds and hundreds of flight hours) now. I chose it over the PC680 because of it's light weight, and over the EarthX because of the high cost and...
Forum: RV General Discussion/News 10-31-2017, 08:00 AM
Replies: 17
Views: 1,960
Posted By ChiefPilot
In addition to flexing and causing drag as Dan...

In addition to flexing and causing drag as Dan points out, it might just pop open. As the middle of the door flexes, the latch moves closer to the edge and at some point it will be free. I've seen...
Forum: Traditional Aircraft Engines 10-30-2017, 07:26 PM
Replies: 22
Views: 2,295
Posted By ChiefPilot
I think his point is that it depends on where the...

I think his point is that it depends on where the muff is. The muffs on the lower portion of the Vetterman crossover exhaust are fine after almost 900 hours as are the pipes. This is on an IO360,...
Forum: Traditional Aircraft Engines 10-30-2017, 07:46 AM
Replies: 22
Views: 2,295
Posted By ChiefPilot
Empirical data from multiple installations,...

Empirical data from multiple installations, including mine, have shown that this is not always the case. My aircraft uses a slide valve from Tom Berge, as does Tom's aircraft as do quite a few...
Forum: Safety 10-21-2017, 04:15 PM
Replies: 205
Views: 15,296
Posted By ChiefPilot
OTOH, a bunch of us are using Shorai batteries...

OTOH, a bunch of us are using Shorai batteries with no issues - i've got well over 700 hrs on mine. Opinions are worth what you pay for them of course, and mine is that the Shorais, mounted on...
Forum: Safety 10-18-2017, 11:05 AM
Replies: 205
Views: 15,296
Posted By ChiefPilot
I agree the bus voltage isn't steady, but I'd...

I agree the bus voltage isn't steady, but I'd challenge the notion that a 20 millisecond response time (for example) would result in nusiance trips. After all, that's about what many SCR-based...
Forum: Safety 10-18-2017, 08:50 AM
Replies: 205
Views: 15,296
Posted By ChiefPilot
Does the claimed 200ms period for cutting off an...

Does the claimed 200ms period for cutting off an OV condition seem long? The SCR-based "crowbar" mechanisms are on the order of a few tens of milliseconds.
Forum: Safety 10-17-2017, 10:50 PM
Replies: 205
Views: 15,296
Posted By ChiefPilot
I know, right? Yet the aircraft that started...

I know, right? Yet the aircraft that started this whole thing either didn't have one or the pilot did not or could not flick off the alternator.

For someone who doesn't have an EFIS/EMS, the...
Forum: RV General Discussion/News 10-17-2017, 03:07 PM
Replies: 24
Views: 6,809
Posted By ChiefPilot
Seems sketchy, since the F-14 has been out of the...

Seems sketchy, since the F-14 has been out of the U.S. inventory since 2006...
Forum: Safety 10-17-2017, 10:21 AM
Replies: 205
Views: 15,296
Posted By ChiefPilot
I've been watching this with some interest, and...

I've been watching this with some interest, and the thing I keep thinking is that crowbars and such are great (mine has one), shouldn't there also be some kind of annunciator to show the out-of-range...
Forum: Electronic Ignition Systems 10-11-2017, 08:41 AM
Replies: 144
Views: 12,170
Posted By ChiefPilot
https://i.imgur.com/f7FdEdG.jpg

https://i.imgur.com/f7FdEdG.jpg
Forum: Tools 10-02-2017, 11:34 AM
Replies: 29
Views: 2,570
Posted By ChiefPilot
I will never buy another drill press. When I...

I will never buy another drill press. When I needed a drill press last time, I decided to replace it with a small milling machine. It does *everything* that a drill press could, and much more, and...
Forum: RV General Discussion/News 09-22-2017, 12:47 PM
Replies: 60
Views: 3,197
Posted By ChiefPilot
Well, maybe maybe not since it will vary from...

Well, maybe maybe not since it will vary from station to station. I also have a test rig for vapor pressure, and have found that even ethanol-free mogas varies based on where it came from. Kwik...
Forum: RV General Discussion/News 09-22-2017, 11:28 AM
Replies: 60
Views: 3,197
Posted By ChiefPilot
How fuel could last that long completely baffles...

How fuel could last that long completely baffles me. How can 40-ish gallons of fuel sit unused in an RV for such an extended period of time? I think I made three trips to the gas station in the...
Forum: RV General Discussion/News 09-22-2017, 09:24 AM
Replies: 60
Views: 3,197
Posted By ChiefPilot
Well, no, not exactly. Our fuel systems are...

Well, no, not exactly. Our fuel systems are usually not optimal, hydraulically speaking. Hydraulically, it's almost always better to "push" than to "pull". Pulling reduces pressure in the line,...
Forum: RV General Discussion/News 09-12-2017, 02:59 PM
Replies: 69
Views: 5,008
Posted By ChiefPilot
I went a step further - the P-mags are controlled...

I went a step further - the P-mags are controlled by three-position switches with an inline fuse for circuit protection. Down = no power, P-lead grounded, Middle=no power, P-lead ungrounded, Up =...
Forum: RV Photo/Video URLs 09-08-2017, 12:55 PM
Replies: 1
Views: 549
Posted By ChiefPilot
My favorite animated GIF

http://www.flightiii.com/imgs/Ignavi%20Manent%20Procul.gif

Can be translated as "Cowards remain clear" or "Far from remaining idle". I'm good either way :-)
Forum: RV General Discussion/News 09-05-2017, 07:46 AM
Replies: 14
Views: 951
Posted By ChiefPilot
Why not just buy a real blade antenna from Delta...

Why not just buy a real blade antenna from Delta Pop? They're super cool, reasonably priced, and work as expected.

website (http://www.deltapopaviation.com/Home.html)
Forum: RV-6/6A 08-28-2017, 07:24 AM
Replies: 8
Views: 826
Posted By ChiefPilot
Not sure it's possible - without the distance to...

Not sure it's possible - without the distance to the datum, you can only find the new weight and not the new CG.

In answer to the thread title, my panel is at 72" from datum - however - I have a...
Forum: RV General Discussion/News 08-26-2017, 12:34 PM
Replies: 34
Views: 3,848
Posted By ChiefPilot
For any unit, the accuracy and repeatability will...

For any unit, the accuracy and repeatability will be dependent on the mounting of the accelerometers- if they are not solidly mounted or are otherwise free to vibrate on their own the resultant data...
Forum: RV General Discussion/News 08-25-2017, 04:40 PM
Replies: 34
Views: 3,848
Posted By ChiefPilot
I do RVs and similar experimentals for $100.

I do RVs and similar experimentals for $100.
Forum: RV General Discussion/News 08-24-2017, 05:50 PM
Replies: 34
Views: 3,848
Posted By ChiefPilot
I've balanced a number of props for people and...

I've balanced a number of props for people and they all have a story similar to this.
Forum: RV General Discussion/News 08-24-2017, 10:58 AM
Replies: 11
Views: 1,132
Posted By ChiefPilot
What Vern said. I too had some...

What Vern said. I too had some construction-related scratches, but starting with 320 grit wet paper and working to 2000 grit then the polishes completely removed any trace of them.
Forum: RV General Discussion/News 08-17-2017, 10:26 AM
Replies: 9
Views: 547
Posted By ChiefPilot
The torque exerted on the nose leg retaining bolt...

The torque exerted on the nose leg retaining bolt will be higher, potentially resulting in wear and possibly a broken bolt. The broken bolt will allow the nose gear leg to rotate and the prop to...
Forum: RV-12 08-17-2017, 07:21 AM
Replies: 16
Views: 3,235
Posted By ChiefPilot
Wow not a bad rant at all for less than two weeks...

Wow not a bad rant at all for less than two weeks and 5 posts on VAF.

http://files.abovetopsecret.com/files/img/dy5859e3df.gif
Forum: RV General Discussion/News 08-15-2017, 12:31 PM
Replies: 16
Views: 1,205
Posted By ChiefPilot
Type III is certainly possibly for DIY. It...

Type III is certainly possibly for DIY. It comes out cloudy grayish (not black) and needs to be dyed if you want it colored something else. It's definitely more work than type II (which also uses...
Forum: RV General Discussion/News 08-15-2017, 10:27 AM
Replies: 16
Views: 1,205
Posted By ChiefPilot
This is one of those things best sourced locally,...

This is one of those things best sourced locally, since it's a pretty common thing around any medium sized or larger city.

On the other hand, are you opposed to doing it yourself? I've anodized a...
Forum: RV General Discussion/News 08-13-2017, 09:26 AM
Replies: 26
Views: 2,344
Posted By ChiefPilot
It's not hard to hold an indicated airspeed to...

It's not hard to hold an indicated airspeed to within one knot for 90 seconds of climb or descent given an electronic airspeed indicator and reasonable conditions. I doubt autopilots in our birds...
Forum: RV General Discussion/News 08-12-2017, 09:03 PM
Replies: 26
Views: 2,344
Posted By ChiefPilot
Bootstrap to get close, then some additional...

Bootstrap to get close, then some additional testing at different weights and CGs to get closer, then development of mathematical models to account for different conditions (weight, density altitude,...
Forum: Glass Cockpit 08-05-2017, 07:32 AM
Replies: 22
Views: 3,120
Posted By ChiefPilot
Sort of. I have an iOS augmented reality app...

Sort of. I have an iOS augmented reality app that simulates a K-14 gyroscopic gunsight. It's kind of cool, but really needs some optics to allow your eyes to focus at infinity. Havent found much...
Forum: Safety 07-24-2017, 04:44 PM
Replies: 49
Views: 5,824
Posted By ChiefPilot
I think most of us are aware of that...

I think most of us are aware of that interpretation - and I'd agree that a 200kt pass might not pass the smell test at some airports. By the same token, it very well could at others - so it is back...
Forum: Safety 07-24-2017, 02:51 PM
Replies: 49
Views: 5,824
Posted By ChiefPilot
I think his phrase "the FARs", without citing a...

I think his phrase "the FARs", without citing a specific one, means he's guessing. He's probably referring to 91.119(a) and 91.119(c), and interpreting the runway as an "other than congested...
Forum: RV General Discussion/News 07-23-2017, 09:35 AM
Replies: 68
Views: 5,637
Posted By ChiefPilot
120 knots indicated at touchdown for at RV? That...

120 knots indicated at touchdown for at RV? That seems like a really bad idea. Why not float just above the runway and touchdown at a much lower speed? The total distance needed to land is still...
Forum: RV General Discussion/News 07-20-2017, 02:43 PM
Replies: 68
Views: 5,637
Posted By ChiefPilot
When I decided to go for an "A" model, I thought...

When I decided to go for an "A" model, I thought about landing after an instrument approach in windy conditions but the determining factor for me was insurance rates - they were higher for...
Forum: Safety 07-19-2017, 11:50 AM
Replies: 49
Views: 5,824
Posted By ChiefPilot
I agree with the spirit of the main portion of...

I agree with the spirit of the main portion of your post; this last bit I find to be a bit of a slippery slope.

The runway at my home airport, for example, is 4000' feet long and RVs only need a...
Forum: RV General Discussion/News 07-18-2017, 08:46 AM
Replies: 38
Views: 4,170
Posted By ChiefPilot
Many RVs can do that - it's not that difficult. ...

Many RVs can do that - it's not that difficult. Most that can probably don't even need to go that high.
Here's an RV-6A doing it at 11k (12.5k DA) on 180hp: ...
Forum: RV General Discussion/News 07-18-2017, 07:37 AM
Replies: 38
Views: 4,170
Posted By ChiefPilot
I've never really thought along those lines...

I've never really thought along those lines before. "Stiction", eh?

Bottom line is that the -7 airframe is, in fact, stronger. Opinions vary, but numbers don't lie: the -7 is rated to +4.4G at...
Forum: RV General Discussion/News 07-14-2017, 05:05 PM
Replies: 18
Views: 1,666
Posted By ChiefPilot
Neither. And I'm with Carl - seems like a...

Neither. And I'm with Carl - seems like a preference thing.
Forum: RV General Discussion/News 07-14-2017, 01:47 PM
Replies: 32
Views: 6,708
Posted By ChiefPilot
For sure, but that's not the point - the point is...

For sure, but that's not the point - the point is that people with RVs and new to IAC (but not aerobatics) are being coached to fly their plane...well, not all that differently from how Mr. Tucker...
Forum: RV General Discussion/News 07-14-2017, 11:41 AM
Replies: 32
Views: 6,708
Posted By ChiefPilot
Talking with a friend on the way home from an IAC...

Talking with a friend on the way home from an IAC chapter practice day last weekend, we both agreed that IAC acro as coached that day was quite a bit more violent than recreational acro or even mock...
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