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Search: Posts Made By: skylor
Forum: Traditional Aircraft Engines 05-21-2022, 12:36 PM
Replies: 33
Views: 4,509
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: 4,233
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: 332
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: 4,186
Posted By skylor
Pressure Screen

The fifth item in table 1 is for cleaning the pressure screen which is applicable to engines that arenít equipped with oil filters.

Skylor
Forum: RV General Discussion/News 03-06-2022, 12:57 PM
Replies: 25
Views: 2,387
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 loadÖi.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: 1,107
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: 3,697
Posted By skylor
Excellent!

Oh, now thatís cool!

Skylor
Forum: RV-8/8A 01-31-2022, 09:46 PM
Replies: 17
Views: 4,037
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: 2,829
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: 2,603
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: 11,243
Posted By skylor
Disclosing this kind of information publicly is...

Disclosing this kind of information publicly is probably not in the best interest of Vanís aircraft (or itís 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: 1,718
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: 2,034
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: 1,927
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: 1,345
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: 36
Views: 8,836
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 GAMIís 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: 4,642
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: 3,945
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: 4,642
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: 895
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: 3,945
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: 4,073
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: 9,731
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: 2,709
Posted By skylor
-8 vs -4

I think you will see slightly better performance from the -8 if itís built well. I have talked to a number of -4 owners who say that equal horsepower -8ís seem to be a bit faster than their...
Forum: Safety 11-27-2021, 02:03 PM
Replies: 100
Views: 20,853
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: 20,853
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: 1,372
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: 5,085
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: 5,039
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 Earlís: Back in the day (30 years ago) they used to...
Forum: RV Ongoing Maintenance Issues 10-23-2021, 01:02 PM
Replies: 11
Views: 2,090
Posted By skylor
Plans C-4

Not to disagree with you Scott because youíve 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: 2,095
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: 2,305
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: 6,186
Posted By skylor
No stick starter switch on the stick hereÖ

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: 5,836
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: 1,512
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: 4,509
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: 1,060
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: 14,235
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: 4,253
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: 4,631
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: 4,631
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: 4,631
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 Saturdayís 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: 966
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: 4,631
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 ďin the bankĒ 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: 4,631
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...
Forum: Traditional Aircraft Engines 09-22-2021, 10:25 AM
Replies: 56
Views: 19,151
Posted By skylor
Not Quite

This is not quite true. AFAIK, all of the top 3 Sport Gold contenders (all running 90+") flew their multi-hour flights home on their race engines!

Skylor
RV-8, Sport 80
Forum: Safety 08-31-2021, 01:25 PM
Replies: 104
Views: 24,359
Posted By skylor
I know you mean this somewhat in jest, but the...

I know you mean this somewhat in jest, but the primary mass driver of the ping-pong balls is likely the shell, not the internal gas. There is .041g of air in each ping pong ball (assuming STP). ...
Forum: Safety 08-31-2021, 10:42 AM
Replies: 104
Views: 24,359
Posted By skylor
You don't need to displace 2000 lbs. Probably...

You don't need to displace 2000 lbs. Probably only need to displace slightly less than the empty weight of the plane, assuming most items above empty-weight will be at-least neutrally buoyant (fuel,...
Forum: Safety 08-27-2021, 10:46 AM
Replies: 104
Views: 24,359
Posted By skylor
I think it's unlikely that deployed flaps would...

I think it's unlikely that deployed flaps would ever touch the water while the aircraft still has enough forward velocity for them to make any difference in pitching moment. The gear sticking down 3...
Forum: Safety 08-27-2021, 10:07 AM
Replies: 104
Views: 24,359
Posted By skylor
In the last picture posted above, another RV can...

In the last picture posted above, another RV can be seen flying over in the upper left.

Here's another picture clearly showing the plane...
Forum: RV General Discussion/News 08-25-2021, 03:30 PM
Replies: 45
Views: 8,184
Posted By skylor
Since the end of the tube is in free-air, you...

Since the end of the tube is in free-air, you need to account for exit loss too which will reduce the flow rate further. I don't have time too look it up right now, though. Entrance loss may also...
Forum: RV Ongoing Maintenance Issues 08-24-2021, 01:11 PM
Replies: 20
Views: 28,766
Posted By skylor
This cracked solder joint seems to be a somewhat...

This cracked solder joint seems to be a somewhat common failure-mode of these solenoids. I have seen another Skytec fail like this and I had an original one fail on a 2005 Ford Ranger with a crack...
Forum: Safety 08-24-2021, 01:03 PM
Replies: 17
Views: 3,108
Posted By skylor
Hard, NOT Hot

I think you are misinterpreting advice for engine break in. The goal is to run the engine HARD but NOT hot. Heat is actually the enemy of a good break-in because it can cause cylinder glazing and...
Forum: RV General Discussion/News 08-23-2021, 09:35 PM
Replies: 32
Views: 7,806
Posted By skylor
For the record, the owner and pilot of the Exxon...

For the record, the owner and pilot of the Exxon Flying Tiger is BRUCE Bohannon.

Skylor
Forum: RV Ongoing Maintenance Issues 08-19-2021, 12:01 PM
Replies: 23
Views: 4,929
Posted By skylor
Timing

Normally with two properly timed mags, shutting off either mag reduces the effective timing of the combustion events and you will see a drop in CHT and an increase in EGT. In your case you are...
Forum: RV General Discussion/News 08-17-2021, 02:14 PM
Replies: 30
Views: 6,807
Posted By skylor
After reading this, I'm reminded of a couple of...

After reading this, I'm reminded of a couple of things.

1. A prop-strike and damaged wheel pant does not meet the FAA's minimum threshold for a reportable incident, assuming no outside property...
Forum: RV-8/8A 08-14-2021, 12:26 PM
Replies: 12
Views: 2,110
Posted By skylor
Grip Type

This is precisely why I prefer this type of grip:

http://www.rayallencompany.com/productimages/G205.GIF

It doesnít matter which hand you fly with and the orientation isnít critical. Itís always...
Forum: RV General Discussion/News 08-05-2021, 12:52 PM
Replies: 54
Views: 8,056
Posted By skylor
Cylinder Markings

Actually the Star and the + denote 2 different things. The Star denotes an addition of 5 years to the standard 5 year retest period. The
+ denotes that the cylinder may be filled to a pressure 10%...
Forum: Safety 08-01-2021, 02:23 PM
Replies: 85
Views: 21,322
Posted By skylor
Idle Thrust

This is TRUTH!

Idle thrust is part of the reason that many folks obtain seemingly very unrealistic altitude loss numbers during simulated turn-backs, particularly in fixed-pitch aircraft.

The...
Forum: RV General Discussion/News 07-31-2021, 11:45 PM
Replies: 36
Views: 6,800
Posted By skylor
How about micro radians per fortnight? You would...

How about micro radians per fortnight? You would likely never have to worry about going over square...unless you used nano-torr for manifold pressure!

Skylor
Forum: RV General Discussion/News 07-30-2021, 09:24 AM
Replies: 133
Views: 32,995
Posted By skylor
ASTM Specification AvGas

Early on in the GAMI UL100 development, I recall that George Braly stated that they tested 100LL AvGas from various sources and it did not meet the ASTM specifications that it was supposed to meet. ...
Forum: Propellers 07-24-2021, 09:50 PM
Replies: 27
Views: 6,236
Posted By skylor
Prop Change

Generally(in the US) changing from one constant speed to another constant speed or fixed pitch to fixed pitch is NOT considered a major change with the caveat that a significant change in weight and...
Forum: Alternative Engines 07-23-2021, 01:20 PM
Replies: 222
Views: 78,177
Posted By skylor
Development Time

I hope this doesn't sound too blunt, but why do you believe that you can develop an engine with fewer people and in far less time than a company like P&W that literally has all the experience and...
Forum: RV General Discussion/News 07-15-2021, 12:36 PM
Replies: 11
Views: 1,859
Posted By skylor
Matco Master cylinders

The stated normal operation pressure for the Matco master cylinders our brakes use is 400-600 psi and they're tested to a max of 1200 psi.

Skylor
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