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Search: Posts Made By: skylor
Forum: RV-8/8A 09-25-2022, 12:54 PM
Replies: 9
Views: 687
Posted By skylor
Slightly off track, but: Hopefully a...

Slightly off track, but:

Hopefully a professional engineer/designer using AutoCAD is controlling plotted scale by correct use of viewports and layout scaling instead of simply drawing the view 1/2...
Forum: Probable Cause Documents Discussed 09-02-2022, 11:34 AM
Replies: 84
Views: 7,380
Posted By skylor
Pressure Fitting

How can you tell? The stock -8 FWF kit has the restrictor fitting threaded into the fuel pump outlet just as shown, and the -4AN line runs to a manifold on the firewall for the pressuresensor. See...
Forum: Probable Cause Documents Discussed 09-02-2022, 09:55 AM
Replies: 84
Views: 7,380
Posted By skylor
It sure looks to me like the outlet side of the...

It sure looks to me like the outlet side of the Red Cube has a -6 line on it, and if so, the carburetor fitting likely wasn’t changed. I suspect that the aircraft originally was equipped with a...
Forum: Safety 08-28-2022, 09:31 PM
Replies: 252
Views: 30,821
Posted By skylor
L

Pulled it from my a$$?

Skylor
Forum: Places To Fly...Things to See...Things to Eat 08-20-2022, 01:39 PM
Replies: 12
Views: 1,029
Posted By skylor
Endeavor AR6

The accident was in 2016. Endeavor was indeed repaired and flown the following year as well as every year since.

Skylor
Forum: Safety 08-19-2022, 02:31 PM
Replies: 252
Views: 30,821
Posted By skylor
Test Pilot

Good call! Additional counterbalance weight at the rudder tip could quite possibly have negative consequences on the resonant frequency of the entire rudder/vertical stabilizer system. What "seems"...
Forum: Safety 08-19-2022, 02:21 PM
Replies: 252
Views: 30,821
Posted By skylor
Really? What about the ailerons? They have...

Really? What about the ailerons? They have counterbalances but are not 100% balanced.

Not all surfaces are designed to be 100% counter balanced.

Skylor
Forum: Electronic Ignition Systems 08-10-2022, 10:38 PM
Replies: 47
Views: 3,460
Posted By skylor
I'm glad you finally solved the problem! I...

I'm glad you finally solved the problem! I suppose it's possible that the faulty coil was generating some EMI that was interfering with the tach signal.

Skylor
Forum: Electronic Ignition Systems 08-08-2022, 10:40 AM
Replies: 47
Views: 3,460
Posted By skylor
That’s not exactly true. It is possible and it...

That’s not exactly true. It is possible and it used to be quite common to construct electronics purely from analog and discreet logic components that do not have any “burned” chips at all, and I...
Forum: Electronic Ignition Systems 08-08-2022, 08:59 AM
Replies: 47
Views: 3,460
Posted By skylor
Progress?

This sounds like progress!

Skylor
Forum: Electronic Ignition Systems 08-07-2022, 09:34 PM
Replies: 47
Views: 3,460
Posted By skylor
Have you tried swapping coil pack positions to...

Have you tried swapping coil pack positions to see if the issue follows the coil?

Skylor
Forum: RV General Discussion/News 08-07-2022, 05:16 PM
Replies: 4
Views: 523
Posted By skylor
Actually, the presence of the hole in the...

Actually, the presence of the hole in the fuselage skin of the tail dragger models depends on whether or not the fuselage is the original design or the later “-1” version. The older design did not...
Forum: Electronic Ignition Systems 08-07-2022, 02:31 PM
Replies: 47
Views: 3,460
Posted By skylor
No Software!

As alluded to previously, the LSE boxes do not have microprocessors and do not have software - Klaus advertises this as a selling point. Please see the attachment from LSE's website:

"Solid-State,...
Forum: RV-12/RV-12iS 07-30-2022, 03:32 PM
Replies: 20
Views: 2,881
Posted By skylor
No Way

Those look like a fancy replacement for wire nuts used in residential and building wiring. I personally would not trust those for a second in a high vibration environment such as an aircraft.

There...
Forum: RV-15 07-27-2022, 01:53 PM
Replies: 457
Views: 101,787
Posted By skylor
I’m not sure why there would be any difference in...

I’m not sure why there would be any difference in the shear strength of the rivets themselves when comparing the same diameter AN426 to AN470 rivet. However you are correct that in some cases...
Forum: Electronic Ignition Systems 07-24-2022, 10:14 PM
Replies: 47
Views: 3,460
Posted By skylor
Yes, and since the sensors are 180 degrees apart...

Yes, and since the sensors are 180 degrees apart there is no inherent difference in the timing between the two electronics boxes because each ignition system fires every 180 degrees of crankshaft...
Forum: Electronic Ignition Systems 07-24-2022, 07:40 PM
Replies: 47
Views: 3,460
Posted By skylor
Nothing to hard-code

The stock lightspeed Hall effect sensor location is lined up with the case split, one on top and one on the bottom (see attachment). I can’t see anything in the OP’s pictures to indicate his set up...
Forum: Electronic Ignition Systems 07-23-2022, 08:15 PM
Replies: 47
Views: 3,460
Posted By skylor
LSE

I don’t fly behind electronic ignition but in reading the LSE documentation I can see that they have the Hall effect sensors mounted 180 degrees apart (for 4 cylinders) and the cylinder phasing is...
Forum: California 07-09-2022, 06:10 PM
Replies: 4
Views: 598
Posted By skylor
8 @ TOA

I have an -8, also at TOA. If you come to check out Heinrich’s plane, you can go for a twofer and try my -8 on for size as well…assuming you pick a weekend day that I’m around…

Skylor
Forum: Traditional Aircraft Engines 05-21-2022, 12:36 PM
Replies: 33
Views: 5,184
Posted By skylor
Fuel Line Routing

It looks like you have the fuel line that runs between the servo and the spider manifold routed from the injector servo all the way to the rear of the engine on the cylinders 2/4 side where I’m...
Forum: RV-14 04-11-2022, 09:59 PM
Replies: 30
Views: 5,277
Posted By skylor
Snap Rolls

Odd because section 15 of the RV-8 Manual includes entry speeds for Snap Rolls. There is a disclaimer about snap rolls at the bottom but it just says that most RV pilots avoid them and doesn't...
Forum: RV General Discussion/News 04-11-2022, 09:41 PM
Replies: 2
Views: 608
Posted By skylor
No Issue

I don't have a EchoUAT but I do have a flightstream 210, Garmin GNS430W and Garmin GTX330. The flightstream's function is to give you bluetooth connectivity to the 430 so that you can...
Forum: RV Ongoing Maintenance Issues 03-22-2022, 11:55 PM
Replies: 26
Views: 4,602
Posted By skylor
Pressure Screen

The fifth item in table 1 is for cleaning the pressure screen which is applicable to engines that aren’t equipped with oil filters.

Skylor
Forum: RV General Discussion/News 03-06-2022, 12:57 PM
Replies: 25
Views: 2,912
Posted By skylor
Aerobatic Gross

Scott,

I think you misinterpreted the question. It appears to me that he is asking if the aerobatic gross is the same regardless of the fuel load…i.e. 1600 lbs on empty tanks AND 1600 lbs on full...
Forum: RV Ongoing Maintenance Issues 02-03-2022, 10:17 PM
Replies: 8
Views: 1,214
Posted By skylor
Radio Noise

No radio noise whatsoever here using the Bob Nuckols Aeroelectrc Connection method like Dan posted above.

Skylor
RV-8
Forum: RV General Discussion/News 02-01-2022, 10:08 PM
Replies: 19
Views: 4,114
Posted By skylor
Excellent!

Oh, now that’s cool!

Skylor
Forum: RV-8/8A 01-31-2022, 09:46 PM
Replies: 17
Views: 4,499
Posted By skylor
Rear Baggage

There are tasks that I find unpleasant during maintenance, but removing and installing the rear baggage compartment just doesn't move the needle in that department for me.

There are a couple of...
Forum: RV Ongoing Maintenance Issues 01-30-2022, 10:21 PM
Replies: 17
Views: 3,135
Posted By skylor
Failure Mod?

If you follow the simple layout of the Aeroelectric Z-11, it’s hard for me to understand what “unnecessary failure points” could possibly be added by the Endurance Bus. It’s about as simple as it...
Forum: Safety 01-23-2022, 05:02 PM
Replies: 15
Views: 2,812
Posted By skylor
Fuel Selector Usage

I follow the recommendation of the late John Deakin when it comes to fuel selector usage and that is to avoid switching tanks while on the ground. Essentially, if you use the fuel system as...
Forum: RV General Discussion/News 01-15-2022, 01:13 PM
Replies: 51
Views: 11,913
Posted By skylor
Disclosing this kind of information publicly is...

Disclosing this kind of information publicly is probably not in the best interest of Van’s aircraft (or it’s customers) because it just might provide too much proprietary business information to...
Forum: Traditional Aircraft Engines 01-04-2022, 01:38 PM
Replies: 12
Views: 2,037
Posted By skylor
When was the last time the mags were actually...

When was the last time the mags were actually serviced? I inspect mine at every annual and ensure the breaker points are timed correctly and that all components are within spec.

I also fly an...
Forum: RV Building Tips/Techniques 01-01-2022, 03:56 PM
Replies: 9
Views: 2,308
Posted By skylor
What Mel and Goliath said! When I first built my...

What Mel and Goliath said!

When I first built my RV-8 I had a very tiny amount of toe-in , ~ 0.1 degrees on each side. I assumed such a tiny amount would be relatively insignificant. As I gained...
Forum: RV-8/8A 12-25-2021, 01:03 AM
Replies: 9
Views: 2,109
Posted By skylor
The RV-8 plans are exactly the same. 20092

The RV-8 plans are exactly the same.

20092
Forum: Propellers 12-23-2021, 06:04 PM
Replies: 9
Views: 1,459
Posted By skylor
RPM Limitations

I'm pretty sure Lycoming won't provide this information because the limitations come from the prop manufacturers, not Lycoming.

Skylor
Forum: Traditional Aircraft Engines 12-18-2021, 12:12 PM
Replies: 91
Views: 15,801
Posted By skylor
I recall that George Braly stated years ago that...

I recall that George Braly stated years ago that the problem with the ASTM spec for 100LL was that GAMI’s own testing showed that existing supply of 100LL does not meet the ASTM spec. and that the...
Forum: Traditional Aircraft Engines 12-12-2021, 03:53 PM
Replies: 26
Views: 5,081
Posted By skylor
Steve, There could be several reasons for this...

Steve,

There could be several reasons for this that I can think of:

1. A number of sources (Monty Barrett, for one, when he was alive) state that the IO-360 is slightly over-rated and is more...
Forum: RV General Discussion/News 12-12-2021, 03:43 PM
Replies: 29
Views: 4,598
Posted By skylor
Given that the 496 is quite long in the tooth,...

Given that the 496 is quite long in the tooth, have you replaced the battery recently? Otherwise you might be in for a surprise when you expect to have battery backup and the battery dies...
Forum: Traditional Aircraft Engines 12-12-2021, 02:36 PM
Replies: 26
Views: 5,081
Posted By skylor
The IO-360 angle valve has a CR of 8.7:1, while...

The IO-360 angle valve has a CR of 8.7:1, while the IO-390 is 8.9:1.

Skylor
Forum: RV-8/8A 12-12-2021, 02:23 PM
Replies: 2
Views: 982
Posted By skylor
Gear Leg Brackets

Mark,

I have attached an annotated version of your picture to hopefully clarify this for you.

Skylor
RV-8
Forum: RV General Discussion/News 12-12-2021, 01:50 PM
Replies: 29
Views: 4,598
Posted By skylor
The first part of your interpretation is...

The first part of your interpretation is incorrect.

91.205 applies specifically to "powered civil aircraft with standard category U.S. airworthiness certificates" which therefore excludes itself...
Forum: RV Ongoing Maintenance Issues 12-11-2021, 09:07 PM
Replies: 28
Views: 4,359
Posted By skylor
To be clear, I’m not advocating the use of ...

To be clear, I’m not advocating the use of aviation grease over appropriate grades of commercial or automotive greases. However please be careful making assumptions about aviation applications as...
Forum: Safety 12-08-2021, 11:34 PM
Replies: 76
Views: 10,629
Posted By skylor
Final Approach

In the IFR world, the final approach fix is approximately 6 miles from touchdown. Perhaps it’s an apples vs oranges comparison, but I suspect that based on this it would be improbable that anyone...
Forum: RV General Discussion/News 12-03-2021, 09:22 PM
Replies: 14
Views: 2,959
Posted By skylor
-8 vs -4

I think you will see slightly better performance from the -8 if it’s built well. I have talked to a number of -4 owners who say that equal horsepower -8’s seem to be a bit faster than their...
Forum: Safety 11-27-2021, 02:03 PM
Replies: 100
Views: 22,888
Posted By skylor
Weight and Turn Back

While this is true, this is another area for a potentially fatal misunderstanding when applied to the engine-out turn back. While increased weight will not affect best glide distance, it WILL...
Forum: Safety 11-26-2021, 12:24 PM
Replies: 100
Views: 22,888
Posted By skylor
Yep. Best glide speed goes out the window in the...

Yep. Best glide speed goes out the window in the impossible turn. The size of the turn radius (i.e. distance flown) is what will makes the difference between making the runway or not. Unfortunately,...
Forum: RV General Discussion/News 11-21-2021, 02:42 PM
Replies: 9
Views: 1,439
Posted By skylor
If you look at the website, the unit does have...

If you look at the website, the unit does have exhaust outlets and ducts for the waste heat which would need to dump outside the aircraft. The system does appear to be a legitimate phase-change AC...
Forum: RV General Discussion/News 11-21-2021, 02:19 PM
Replies: 27
Views: 5,474
Posted By skylor
It's only 0.15" CG change on your RV-6 with an...

It's only 0.15" CG change on your RV-6 with an angle valve engine and Hartzell CS prop. The added A/C system weight will have more impact on the CG of a -6 with a lighter engine and prop and further...
Forum: RV General Discussion/News 11-12-2021, 01:04 PM
Replies: 39
Views: 5,507
Posted By skylor
Allan Aircraft Supply used to be a good source...

Allan Aircraft Supply used to be a good source for stainless flared fittings. You cannot place an online order with them, however.

Regarding Earl’s: Back in the day (30 years ago) they used to...
Forum: RV Ongoing Maintenance Issues 10-23-2021, 01:02 PM
Replies: 11
Views: 2,246
Posted By skylor
Plans C-4

Not to disagree with you Scott because you’ve provided a lot of good information as always, but my copy of drawing C-4 shows all of the bulkhead parts as 2024. Did this change or was the drawing in...
Forum: Safety 10-19-2021, 11:46 AM
Replies: 8
Views: 2,333
Posted By skylor
Failure?

It looks like there was a lot more going on with that mag than just a carbon brush failure. It's hard to tell from the pictures but it looks like one of the bushings in the distributor block for the...
Forum: Glass Cockpit 10-13-2021, 04:05 PM
Replies: 15
Views: 2,518
Posted By skylor
You may want to check to be sure that your Archer...

You may want to check to be sure that your Archer antenna is well grounded to the wing skin metal. In my case, I was relying on the wing tip fasteners and nut-plates that were riveted through the...
Forum: RV-7/7A 10-11-2021, 09:27 PM
Replies: 40
Views: 6,678
Posted By skylor
No stick starter switch on the stick here…

I think this is much ado about nothing.

On my -8, it’s really easy to hold the stick back between my legs during engine start. To me, this is much easier and simpler than adding a bunch of extra...
Forum: RV General Discussion/News 10-08-2021, 11:10 PM
Replies: 27
Views: 6,422
Posted By skylor
Horton

Funny...I think that's true of two fellows named Horton that post here!

Skylor
Forum: RV General Discussion/News 10-08-2021, 12:53 PM
Replies: 13
Views: 1,702
Posted By skylor
If you are floating with full flaps, you will...

If you are floating with full flaps, you will float MORE with less flaps. Full flaps add some lift but they also add lots of drag. Reducing drag will increase the float.

Yes, lower air-speed...
Forum: Electronic Ignition Systems 10-06-2021, 01:04 PM
Replies: 29
Views: 4,976
Posted By skylor
Not Necessarily

This assumes that the Primary/Secondary ratios of a CDI coil and an Inductive coil are the same, but they might not be...

Skylor
Forum: Safety 10-03-2021, 09:12 PM
Replies: 7
Views: 1,108
Posted By skylor
Airliners also have two person cockpit crews...

Airliners also have two person cockpit crews allowing one pilot to keep eyes out the window or on appropriate flight instruments while the other crew member programs the GPS.

Just because it works...
Forum: RV-8/8A 10-01-2021, 01:36 PM
Replies: 83
Views: 15,687
Posted By skylor
I used a similar approach when I plumbed my legs...

I used a similar approach when I plumbed my legs 10 years or so ago and documented it here:

https://vansairforce.net/community/showpost.php?p=1117862&postcount=1

My reasoning was to be able to use...
Forum: RV General Discussion/News 09-29-2021, 09:26 AM
Replies: 26
Views: 4,622
Posted By skylor
Commercial Usage

I don't know what the Canadian regulations are regarding commercial usage of aircraft, but in the US receiving expenses for such a flight would definitely be considered commercial use and the pilot...
Forum: RV Photo/Video URLs 09-24-2021, 05:10 PM
Replies: 18
Views: 4,880
Posted By skylor
A little. The elevators are very carefully...

A little. The elevators are very carefully balanced. I’m very particular about rod end bearing play in the hinges and pushrods and I replace them at the slightest hint of play. Our tech inspectors...
Forum: RV Photo/Video URLs 09-24-2021, 10:26 AM
Replies: 18
Views: 4,880
Posted By skylor
Thanks Charlie! For winning, a big “bowling”...

Thanks Charlie!

For winning, a big “bowling” trophy ;) and the check is supposedly in the mail. I don’t know what the medallion first place check is worth but it’s likely less than my hotel room...
Forum: RV Photo/Video URLs 09-23-2021, 09:22 PM
Replies: 18
Views: 4,880
Posted By skylor
True! However, keep in mind that I passed 31 on...

True! However, keep in mind that I passed 31 on the first lap of Saturday’s race and ran away to a 6 second lead. We both had 1 pylon cut on Saturday so the lead let me start in front of him on...
Forum: Engine Monitors 09-23-2021, 09:46 AM
Replies: 7
Views: 1,089
Posted By skylor
It's unlikely that this can be done. The GRT EIS...

It's unlikely that this can be done. The GRT EIS serial data does not follow any industry standard for engine data and since Garmin and Dynon have their own engine monitoring solutions they have no...
Forum: RV Photo/Video URLs 09-23-2021, 07:40 AM
Replies: 18
Views: 4,880
Posted By skylor
Strategy. Those climbs were a bit defensive to...

Strategy.

Those climbs were a bit defensive to 1. Put some straight-away speed “in the bank” instead of just scrubbing it all off in the turns, and 2. Help prevent the planes nipping at my heals...
Forum: RV Photo/Video URLs 09-22-2021, 09:59 PM
Replies: 18
Views: 4,880
Posted By skylor
Battle of RV's

For those that missed it, here is the link to the video of Sunday's Reno Sport Class Medallion race which features an epic battle between an RV-8 and an RV-S8 (Super-8) for the win along with 2...
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