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Search: Posts Made By: skylor
Forum: RV-9/9A Yesterday, 05:19 PM
Replies: 84
Views: 7,656
Posted By skylor
I'm not disputing that, I'm disputing Bill's...

I'm not disputing that, I'm disputing Bill's claim that he was not only way over TAS VNE but also way over IAS VNE. Read the quote in my original post.
Forum: Traditional Aircraft Engines Yesterday, 11:37 AM
Replies: 15
Views: 832
Posted By skylor
Cirrus Failure(s)

I've heard that some Cirrus SR22's with air conditioning installed have in some cases seen destruction of both flexible mag drive couplings due to a suspected harmonics issue. I seem to recall...
Forum: RV-9/9A Yesterday, 09:35 AM
Replies: 84
Views: 7,656
Posted By skylor
Way over what? Maybe Vno, but not indicated Vne....

Way over what? Maybe Vno, but not indicated Vne. The indicated limit of 210 mph is about 182 knots. The OP's stated 234 KTAS would be approximately 180 KIAS (I used 16,400' PA, 29.92 in Hg and 35F...
Forum: Safety 05-31-2020, 03:17 PM
Replies: 7
Views: 846
Posted By skylor
What is your data source? The conclusions for...

What is your data source? The conclusions for the above accident are different than the NTSB report...

Skylor
Forum: RV-8/8A 05-31-2020, 02:25 PM
Replies: 17
Views: 800
Posted By skylor
1. Are you sure the wheel isn't locking up and...

1. Are you sure the wheel isn't locking up and skidding when this is happening? Does it stop if you let off the brake?

2. Have you you checked to make sure that the gear attachment bolts are tight...
Forum: RV-8/8A 05-26-2020, 09:34 PM
Replies: 104
Views: 55,637
Posted By skylor
Genuine Aircraft Hardware Co

Try Genuine Aircraft Hardware Co. (https://www.gen-aircraft-hardware.com/)

Skylor
Forum: RV General Discussion/News 05-06-2020, 04:09 PM
Replies: 32
Views: 3,428
Posted By skylor
FORTRAN

Ah yes...I remember taking at least couple of semesters of FORTRAN classes...and using a mainframe system to write and run the programs...but at least I didn't have to use punch cards! I don't think...
Forum: Safety 04-20-2020, 08:59 AM
Replies: 20
Views: 3,126
Posted By skylor
Rudder

This is what I've always thought was the case as well. The -7 in the video appears to have the "early" rudder, based on the size and shape of the counterbalance.

EDIT: After seeing Marabou's later...
Forum: Safety 04-19-2020, 01:05 PM
Replies: 20
Views: 3,126
Posted By skylor
On th -7 the elevator remained slightly up or...

On th -7 the elevator remained slightly up or neutral for about 3 turns after opposite rudder was applied. Once elevator was deflected downward, the recovery was fairly quick.

Skylor
Forum: RV General Discussion/News 04-17-2020, 12:11 PM
Replies: 41
Views: 3,911
Posted By skylor
I agree with everything you said except: ...

I agree with everything you said except:



Aluminum fittings on stainless lines and hardware WILL corrode over time. In theory the anodizing should protect against it but it doesn't seem to be...
Forum: RV General Discussion/News 04-17-2020, 11:45 AM
Replies: 41
Views: 3,911
Posted By skylor
Failure?

Was it aluminum, stainless, a copper primer line or a brazed fitting on the end of a fuel injection line?

Skylor
Forum: Safety 04-15-2020, 02:00 PM
Replies: 48
Views: 5,712
Posted By skylor
This has also been my experience with stock Van's...

This has also been my experience with stock Van's hardware as well. One note though: I found that the washer was bottoming out against the radius of the transition to the threaded portion of the...
Forum: RV General Discussion/News 04-15-2020, 09:46 AM
Replies: 6
Views: 388
Posted By skylor
If you buy fuel tank sealant that comes in the...

If you buy fuel tank sealant that comes in the Semco cartridges, then you won't need anything else although this will be rather expensive. You can also buy empty Semco cups and nozzles. If going...
Forum: RV General Discussion/News 04-11-2020, 01:12 PM
Replies: 2
Views: 277
Posted By skylor
Stratux

Why not just replace the RPi3 board itself? The Stratux is compatible with the 3B, not the 3B+, so you'll need to be sure to find one of those which are getting slightly hard to find but are still...
Forum: Traditional Aircraft Engines 04-09-2020, 05:24 PM
Replies: 5
Views: 546
Posted By skylor
Control Cables

On my -8 there are no control cables in the panel or through the baggage compartment. I have the alternate air and cabin heat controls mounted on the left gear tower and they run beneath the forward...
Forum: RV General Discussion/News 04-07-2020, 11:07 AM
Replies: 28
Views: 1,822
Posted By skylor
Soap?

A little speculation on my part here, but be cautioned that bar soap is typically alkaline and may be corrosive to Aluminum if the residue isn't washed away.

Skylor
Forum: ADS-B 04-05-2020, 11:41 PM
Replies: 9
Views: 1,073
Posted By skylor
They let your friends and enemies know where you...

They let your friends and enemies know where you are when youíre flying ;)

Skylor
Forum: Traditional Aircraft Engines 04-05-2020, 11:35 PM
Replies: 2
Views: 332
Posted By skylor
If you look closely at the B-NUT or the smaller...

If you look closely at the B-NUT or the smaller nut at the spark plug end of the ignition wires, the cylinder number should be impression stamped on them.

Skylor
Forum: RV General Discussion/News 04-04-2020, 06:05 PM
Replies: 77
Views: 11,422
Posted By skylor
Baggage door...

The unlatched RV-8 baggage door is just fine in flight ...until slipping to lose altitude on final, then it opens all the way...

Don’t ask me how I know...

I never did find the keys that fell out...
Forum: RV General Discussion/News 04-03-2020, 11:35 PM
Replies: 77
Views: 11,422
Posted By skylor
Cloudy Aerobatics

This guy I know went up to fly aerobatics in his RV on a day with high cirrus and a little haze. Imagine his surprise when in middle of a loop, the view out the canopy suddenly went all white! It...
Forum: RV General Discussion/News 03-28-2020, 02:08 PM
Replies: 45
Views: 6,443
Posted By skylor
Handle Vs. Hands

It probably makes more sense with wipe your hands with a disinfectant wipe after touching the pump handle than it does to try to wipe the handle itself.
Forum: RV General Discussion/News 03-24-2020, 11:22 AM
Replies: 38
Views: 3,563
Posted By skylor
It's not likely that the pressure would follow...

It's not likely that the pressure would follow engine RPM if this were just an indication problem...

Skylor
Forum: RV General Discussion/News 03-23-2020, 02:08 PM
Replies: 25
Views: 2,403
Posted By skylor
Gooseneck

I have it on good authority that Van's internally refers to this part as the "po+ pipe" :eek:.

Skylor
Forum: Traditional Aircraft Engines 03-19-2020, 10:01 AM
Replies: 13
Views: 1,450
Posted By skylor
Lycoming

I don't think factory Lycoming cranks manufactured since about July, 2005 have any known issues, service bulletins or AD's against them. The current issues seem to be with aftermarket...
Forum: Traditional Aircraft Engines 03-17-2020, 12:21 PM
Replies: 51
Views: 9,224
Posted By skylor
Requirements

According to the Superior response, 2 of the 3 crankshafts failed to meet requirements.
Forum: RV General Discussion/News 03-15-2020, 01:45 PM
Replies: 45
Views: 5,031
Posted By skylor
Bird Strike

Yep, that was me. I still won the race. I was doing about 200 KTAS at the time. I thought the bird hit the gear leg and no adverse effects were noticed immediately after. The impact was just...
Forum: Propellers 03-11-2020, 08:05 PM
Replies: 13
Views: 1,914
Posted By skylor
"Approved" by similarity is good enough for the...

"Approved" by similarity is good enough for the experimental world, but P-920 is a Type Certificate Data Sheet. I strongly suspect the FAA won't "certify" by similarity in this case.

Skylor
Forum: Propellers 03-11-2020, 12:43 PM
Replies: 13
Views: 1,914
Posted By skylor
Maybe it's "approved" but not certified? If it...

Maybe it's "approved" but not certified? If it was "approved" with the LSE Plasma III, then it probably is not considered a "certified" combo since an engine running the LSE ignition is not in a...
Forum: RV General Discussion/News 03-07-2020, 11:46 AM
Replies: 20
Views: 1,629
Posted By skylor
Interesting Read

This AOPA article on “basic-med for safety pilots” adds to this discussion about who is PIC:

https://pilot-protection-services.aopa.org/news/2017/september/01/basicmed-and-safety-pilots

One...
Forum: RV General Discussion/News 03-03-2020, 02:14 PM
Replies: 8
Views: 1,224
Posted By skylor
Full stop is required for night currency in all...

Full stop is required for night currency in all land gear types...
Forum: RV-7/7A 03-03-2020, 11:30 AM
Replies: 4
Views: 561
Posted By skylor
Upside down ribs or spar

Did the left and right ribs and/or spar get swapped, or are these otherwise installed upside down?

Skylor
RV-8
Forum: Safety 03-01-2020, 06:04 PM
Replies: 8
Views: 1,617
Posted By skylor
Full disclosure: According to the incident report...

Full disclosure: According to the incident report for the April 2019 incident, the collapsed nose gear occurred after "sustained loss of power"
Forum: RV Ongoing Maintenance Issues 02-24-2020, 09:00 AM
Replies: 6
Views: 966
Posted By skylor
Inspection vs. Overhaul

I second this. SLICK only requires overhaul at the time of engine overhaul. Otherwise it's an IRAN. In my opinion, anything that requires removal of the rotor and bearings from the frame warrants...
Forum: RV General Discussion/News 02-20-2020, 09:50 AM
Replies: 20
Views: 3,631
Posted By skylor
Lock Pin

I second this. I've replaced my pin once in 900 hours and mostly because I was worried about it eventually breaking from fatigue which happened to a Harmon Rocket guy I knew. I disassemble, clean,...
Forum: RV General Discussion/News 02-17-2020, 11:47 PM
Replies: 15
Views: 1,344
Posted By skylor
Thatís the general currency requirement, not the...

Thatís the general currency requirement, not the night time requirement.

Skylor
Forum: RV General Discussion/News 02-17-2020, 02:54 PM
Replies: 15
Views: 1,344
Posted By skylor
Tail Wheel

There is no tail-wheel specific requirement applied to recent experience requirements for night flight. So if you're daytime-current in a tail-wheel aircraft, and you are night-time current in any...
Forum: RV-8/8A 02-17-2020, 09:44 AM
Replies: 10
Views: 1,535
Posted By skylor
Really? $10 is over-priced for a complete set of...

Really? $10 is over-priced for a complete set of Vans Aircraft's proprietary copyrighted plans and instructions? How much do you think it would cost you if you tried to get a duplicate set of...
Forum: RV-8/8A 02-16-2020, 01:33 PM
Replies: 10
Views: 1,535
Posted By skylor
When I first started flying my own -8, I found it...

When I first started flying my own -8, I found it to be a little unpredictable and squirrely on landing roll-out, particularly while transitioning from wheel landing attitude to 3-point. Nothing...
Forum: Electronic Ignition Systems 02-15-2020, 01:09 AM
Replies: 272
Views: 95,684
Posted By skylor
Ther is no bearing retainer, but you’re correct...

Ther is no bearing retainer, but you’re correct about the oil seal. The double interference is likely for shaft retention and to ensure the bearing races don’t spin free within their bores or on the...
Forum: Electronic Ignition Systems 02-14-2020, 08:00 PM
Replies: 272
Views: 95,684
Posted By skylor
Bearing Fit

Interference fit of both the inner and outer races is really the only way to ensure that engine oil from the accessory case can't seep around the sealed bearing without introducing another seal into...
Forum: RV General Discussion/News 02-14-2020, 09:28 AM
Replies: 15
Views: 3,281
Posted By skylor
ADSB?

What makes you think a thief is going to be using a transponder or ADSB?
Forum: Alternative Engines 02-13-2020, 01:45 PM
Replies: 41
Views: 10,637
Posted By skylor
Nickasil

Porsche successfully used nickasil or a similar process on their alulminum cylinder air cooled 911 production engines for years.

I think there is less reason to use this type process on water cooled...
Forum: RV General Discussion/News 02-13-2020, 01:24 PM
Replies: 55
Views: 4,517
Posted By skylor
Insurance

Give Gallagher Aviation a call. They can provide builder's insurance for a reasonable cost. The information is included in this post: ...
Forum: RV General Discussion/News 02-11-2020, 12:52 PM
Replies: 55
Views: 4,517
Posted By skylor
Prop

I run a 74" Hartzell Blended Airfoil CS Prop.

Skylor
Forum: RV General Discussion/News 02-11-2020, 09:16 AM
Replies: 55
Views: 4,517
Posted By skylor
-8 Back Seat

My passnegers tell me that the back seat of my -8 is pretty comfortable. My 81 year old pilot father is 6'2" and has spent probably a couple hundred or more hours in the back seat of of my -8 and my...
Forum: RV Ongoing Maintenance Issues 02-07-2020, 11:32 PM
Replies: 16
Views: 1,705
Posted By skylor
B-Lead Protection

Alternator short to ground doesn't have to happen frequently, it just has to happen once for someone to have a really bad day. It did happen to the poster that I was responding to and he was...
Forum: RV Ongoing Maintenance Issues 02-07-2020, 11:36 AM
Replies: 16
Views: 1,705
Posted By skylor
ANL Current Limiter

This and rectifier diodes shorting to ground on failure are well known failure modes of all alternators and is THE reason why ANL current limiters are recommended to be used in the alternator B-Lead...
Forum: RV General Discussion/News 02-06-2020, 11:07 AM
Replies: 32
Views: 4,027
Posted By skylor
No Fuel in cockpit

The HACman valve and lines aren't plumbed to fuel lines. One line is plumbed to a manifold pressure sense port and the other is plumbed to to the float bowl vent. The device works by using manifold...
Forum: ADS-B 01-30-2020, 10:35 AM
Replies: 26
Views: 3,970
Posted By skylor
It's Still There

It's still there. The .pdf can be accessed from this page: (https://www.faa.gov/regulations_policies/advisory_circulars/index.cfm/go/document.information/documentID/1036989)

I checked the link on...
Forum: ADS-B 01-30-2020, 09:44 AM
Replies: 26
Views: 3,970
Posted By skylor
While I agree with you in principle, that is...

While I agree with you in principle, that is clearly not what the FAA wrote in AC 90-114B:

For visual flight rules (VFR) formation flights not receiving ATC services, ATC directs that only the lead...
Forum: Traditional Aircraft Engines 01-28-2020, 02:45 PM
Replies: 28
Views: 3,340
Posted By skylor
For a Hartzell CS prop, Hartzell recommends...

For a Hartzell CS prop, Hartzell recommends against this. The reason given is that supposedly without the centrifugal force of the prop rotation pulling the blades into their bearings, the bearings...
Forum: RV General Discussion/News 01-26-2020, 12:30 PM
Replies: 15
Views: 2,196
Posted By skylor
That’s not quite correct. Stall speed depends on...

That’s not quite correct. Stall speed depends on wing loading which is g-loading x aircraft weight. Critical angle of attack is the only single thing that is consistent when stalling at different...
Forum: RV General Discussion/News 01-26-2020, 12:17 PM
Replies: 15
Views: 2,196
Posted By skylor
Actually, many pilots misunderstand this. While...

Actually, many pilots misunderstand this. While it’s definitely true that stall speed is a function of wing loading, a descending turn at constant speed and descent rate does not significantly...
Forum: California 01-24-2020, 07:49 PM
Replies: 8
Views: 1,051
Posted By skylor
DAR

Brett,

You might try to see if Adam Valdez is still doing DAR inspections:

California Bakersfield Adam Valdez 661 792 2826 $500.00 Bill Marvel/RV8A/N751MB 4/02
Does many RVs in...
Forum: ADS-B 01-23-2020, 03:20 PM
Replies: 26
Views: 3,970
Posted By skylor
Unclear

To add to your questions, I have some of my own:

1. When departing a controlled airport VFR, are wingman required to squawk until told otherwise? (I assume airport operations at a controlled...
Forum: RV Building Tips/Techniques 01-22-2020, 10:49 AM
Replies: 10
Views: 1,543
Posted By skylor
Seller's Wife

I think he's saying that the seller's wife hates the plane which is why it's being sold after only a few flights...
Forum: RV-7/7A 01-21-2020, 10:10 AM
Replies: 81
Views: 13,825
Posted By skylor
No. The Vne is what the manufacturer says it is...

No.

The Vne is what the manufacturer says it is and tests to. If the aircraft mfg. establishes the Vne as 200 KIAS and ensures that the aircraft has required structural and flutter margin at the...
Forum: Safety 01-21-2020, 09:32 AM
Replies: 36
Views: 4,416
Posted By skylor
ELT Required

An Apple Watch only communicates via Cellular and WiFi. This does not meet the requirements for an ELT to broadcast on the 121.5 or 406 MHz SAR frequencies.

Note that per FAR 14 CFR 91.207,...
Forum: RV General Discussion/News 01-21-2020, 09:06 AM
Replies: 26
Views: 2,174
Posted By skylor
Static Error

You really need to test this at several speeds throughout your speed range because static errors can be dependent on airspeed (i.e. larger error at higher speeds).

Skylor
Forum: GPS 01-20-2020, 09:12 AM
Replies: 44
Views: 4,583
Posted By skylor
A 430 "tray compatible" plug in replacement...

A 430 "tray compatible" plug in replacement version of the -650 a la Avidyne IFD440 would have helped the "upgrade business" a lot, IMO.

Skylor
Forum: Traditional Aircraft Engines 01-20-2020, 09:03 AM
Replies: 18
Views: 2,610
Posted By skylor
Case Maching?

What case machining is required to convert a -360 to a -390?

Thanks,

Skylor
Forum: Rocket 01-18-2020, 12:32 PM
Replies: 42
Views: 13,227
Posted By skylor
The F1 empennage is not a standard -8 tail. If...

The F1 empennage is not a standard -8 tail. If you look carefully at the original Flickr pics you can see the elevators have riveted trailing edges. Also, I believe nothing is pre-punched on the F1...
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