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Search: Posts Made By: Captain Avgas
Forum: Traditional Aircraft Engines 04-05-2021, 09:59 PM
Replies: 44
Views: 3,528
Posted By Captain Avgas
Dear Kay, don't be exasperated. I am not aware...

Dear Kay, don't be exasperated. I am not aware that any of Doug's rules for VansAirforce specifies that the person who starts the thread owns the thread forever. I have personally found that starting...
Forum: RV-8/8A 04-03-2021, 07:15 PM
Replies: 28
Views: 2,148
Posted By Captain Avgas
The RV Sikaflex phenomenon was driven purely by a...

The RV Sikaflex phenomenon was driven purely by a fear of canopy cracks. Neither Vans Aircraft nor the Sika company ever approved of the application (and both actually advised against it) but nervous...
Forum: Traditional Aircraft Engines 04-01-2021, 09:24 PM
Replies: 17
Views: 722
Posted By Captain Avgas
Any particular reason for wanting to change the...

Any particular reason for wanting to change the bottom mounts from Lord to Barry??
Forum: RV-8/8A 04-01-2021, 09:02 PM
Replies: 28
Views: 2,148
Posted By Captain Avgas
Sorry to disturb your slumber Mickey but there...

Sorry to disturb your slumber Mickey but there have been many reports of cracking of Sikaflex canopies. The primer is virtually 50% volatile solvents. It actually works by attacking the acrylic. Any...
Forum: RV General Discussion/News 03-29-2021, 07:42 PM
Replies: 14
Views: 880
Posted By Captain Avgas
Buy a tool kit, a starter kit (for learning) and...

Buy a tool kit, a starter kit (for learning) and the empennage kit....and see how you go. Just dip your toe in the water.

It has been suggested that only about 30% of RV builders who start at the...
Forum: RV Friends Who Have Passed On 03-29-2021, 07:16 PM
Replies: 62
Views: 12,434
Posted By Captain Avgas
Classic stall/spin turning from base to...

Classic stall/spin turning from base to final.

The NTSB report indicates that the flight was recorded by an onboard camera.
A couple of comments in the report caught my eye:

One was that the pilot...
Forum: RV General Discussion/News 03-21-2021, 05:42 AM
Replies: 26
Views: 1,674
Posted By Captain Avgas
I totally agree....when the battery goes flat on...

I totally agree....when the battery goes flat on the Bose they are virtually useless because they have very little passive noise reduction. I swapped from Bose to Zulu for that very reason.
Forum: Alternative Engines 03-13-2021, 09:13 PM
Replies: 58
Views: 6,883
Posted By Captain Avgas
Interesting move. The Rotec R3600 is rated at 150...

Interesting move. The Rotec R3600 is rated at 150 HP and the Verner 9S at 158 HP. It seems like a lot of trouble and expense changing out engines to gain a nominal 8 HP. Are you disappointed with the...
Forum: RV General Discussion/News 02-19-2021, 11:05 PM
Replies: 20
Views: 1,744
Posted By Captain Avgas
Everyone here is into experimental aviation...and...

Everyone here is into experimental aviation...and the biggest space freak here is probably Doug Reeves himself. So no-one is going to take this thread down...or close it. Fascinating stuff.

Kudos to...
Forum: Alternative Engines 02-12-2021, 03:25 AM
Replies: 52
Views: 4,311
Posted By Captain Avgas
Hang on a minute....let’s get this...

Hang on a minute....let’s get this right....you’re saying that you got your information from “the tour guide” at a Tesla factory. Well, considering that your source is just a tour guide, and...
Forum: Flight Testing 02-12-2021, 12:30 AM
Replies: 60
Views: 4,888
Posted By Captain Avgas
+1. As usual, considered comments from Dan. Being...

+1. As usual, considered comments from Dan. Being your own first flight test pilot can be a bit like choosing to paint your plane yourself when you have absolutely no painting skills....ambition (and...
Forum: Alternative Engines 02-10-2021, 11:40 PM
Replies: 52
Views: 4,311
Posted By Captain Avgas
The car in question, the Gumpert Nathalie, uses a...

The car in question, the Gumpert Nathalie, uses a Reformed Methanol Fuel Cell which means that it reforms methanol into hydrogen. After that itís essentially a hydrogen fuel cell. That means that...
Forum: Alternative Engines 02-09-2021, 07:54 PM
Replies: 52
Views: 4,311
Posted By Captain Avgas
Donít hold your breath.

Fuel cells are in fact a very old technology. The first hydrogen fuel cells to be used commercially were in the 1960s during the NASA Gemini program. Methanol fuel cells date back to the 1990s. Both...
Forum: RV General Discussion/News 02-01-2021, 04:53 AM
Replies: 26
Views: 4,241
Posted By Captain Avgas
This revived thread is very interesting for a...

This revived thread is very interesting for a number of reasons. It pertains to the OP Earl Findlay who asked the perennial question back in 2019 of whether he could build an RV.

And of course, as...
Forum: Alternative Engines 01-25-2021, 09:48 PM
Replies: 52
Views: 4,311
Posted By Captain Avgas
A very interesting post Steve. Like you, I doubt...

A very interesting post Steve. Like you, I doubt that there is any dramatic battery technology breakthrough right around the corner.

I am inclined to now believe that advances in battery...
Forum: RV Building Tips/Techniques 01-23-2021, 12:48 AM
Replies: 15
Views: 1,689
Posted By Captain Avgas
It would be helpful if posters commenting on the...

It would be helpful if posters commenting on the quality of Vans fibreglass components would state what year(s) they purchased them from Vans. My best guess is that Vans has bought their fibreglass...
Forum: RV General Discussion/News 01-16-2021, 08:32 PM
Replies: 21
Views: 3,191
Posted By Captain Avgas
I suspect that prediction might fall into the...

I suspect that prediction might fall into the category of wild speculation.

In the meantime Iíve just been reading through several threads on VansAirforce from around March 2020 pertaining to last...
Forum: RV-10 01-16-2021, 07:21 PM
Replies: 24
Views: 3,199
Posted By Captain Avgas
Your point is taken. However for the most part...

Your point is taken. However for the most part prudent prospective RV kit buyers understand that there are very real risks in buying projects from builders...incomplete kits, shoddy workmanship,...
Forum: RV-10 01-16-2021, 05:20 AM
Replies: 24
Views: 3,199
Posted By Captain Avgas
I very much doubt that. When you sell a project...

I very much doubt that. When you sell a project youíre only dealing with bargain hunters. If you sell QB (or slow build) kits expect to take a financial beating on them.
Forum: RV Building Tips/Techniques 01-16-2021, 04:28 AM
Replies: 21
Views: 4,157
Posted By Captain Avgas
Nutplates without threads go back to the Wright...

Nutplates without threads go back to the Wright Brothers (OK, slight exaggeration). Experienced builders check every nutplate before installing them. The problem will be eliminated when they get...
Forum: RV-10 01-11-2021, 05:32 PM
Replies: 14
Views: 2,211
Posted By Captain Avgas
Larry, I must admit that when it comes to safety...

Larry, I must admit that when it comes to safety issues and backyard experimental products I tend to be a bit reserved, particularly when itís fire wall forward. Itís easy to get fuel in the lower...
Forum: RV-10 01-09-2021, 08:22 PM
Replies: 14
Views: 2,211
Posted By Captain Avgas
Reservations ?

Did you have any reservations about installing servo motors in the bottom of your cowl. Iím imagining thatís where flammable fluids can settle (fuel, oil) and also where itís very close to exhaust...
Forum: RV General Discussion/News 01-07-2021, 05:47 PM
Replies: 24
Views: 3,104
Posted By Captain Avgas
How much money you get back on an RV build will...

How much money you get back on an RV build will depend on many factors including the state of the market at the time. But the 2 biggest factors in my opinion are:

1. The quality of the build. It...
Forum: RV General Discussion/News 01-02-2021, 07:26 PM
Replies: 132
Views: 22,465
Posted By Captain Avgas
Hey Axel, I think youíre being way too harsh on...

Hey Axel, I think youíre being way too harsh on Chattin35. Heís an ex-USAF pilot and his real world experience has presumably influenced his point of view (which heís fully entitled to). As for...
Forum: Traditional Aircraft Engines 01-02-2021, 06:39 PM
Replies: 50
Views: 5,743
Posted By Captain Avgas
1. Ground the plane until a new mechanical pump...

1. Ground the plane until a new mechanical pump is installed. Very risky to fly it with a rupture in the fuel pump diaphram.
2. You will not be able to repair the pump. Buy a new one.
3. 10 years is...
Forum: RV-8/8A 01-01-2021, 08:15 PM
Replies: 44
Views: 6,330
Posted By Captain Avgas
Karl, You would gain greater credibility if you...

Karl, You would gain greater credibility if you did some serious research before posting.

Let’s take SB 16-03-28 as an example. This SB describes cracking of the wing aft spar web at the inboard...
Forum: RV-8/8A 01-01-2021, 04:21 AM
Replies: 44
Views: 6,330
Posted By Captain Avgas
Here are the numbers of Service Bulletins and...

Here are the numbers of Service Bulletins and Notifications from Vans Aircraft pertaining to airframe cracks in each specific RV model. Anyone can check this on Vans site.

RV3 3
RV4 2
RV6 ...
Forum: RV-8/8A 12-30-2020, 09:36 PM
Replies: 44
Views: 6,330
Posted By Captain Avgas
Engine mounts (isolators) perform a very...

Engine mounts (isolators) perform a very important function, particularly on aircraft with reciprocating engines. They are designed to serve the purpose of damping vibrations from the engine and prop...
Forum: RV-8/8A 12-30-2020, 05:00 AM
Replies: 44
Views: 6,330
Posted By Captain Avgas
I highly recommend you do a bit of searching...

I highly recommend you do a bit of searching through the VansAirforce archives....plenty of informed comments there over virtually 2 decades about the superiority of Lord mounts. Thatís the reason so...
Forum: RV-8/8A 12-28-2020, 10:10 PM
Replies: 44
Views: 6,330
Posted By Captain Avgas
This is a tricky subject and you can get as many...

This is a tricky subject and you can get as many opinions as there are posters. The anecdotal evidence on VansAirforce and my own personal experience is that Lord Mounts tend to sag a little over...
Forum: RV-8/8A 12-28-2020, 08:07 PM
Replies: 44
Views: 6,330
Posted By Captain Avgas
I suspect that the amount of sag over time can...

I suspect that the amount of sag over time can depend on a number of factors including the type of elastomeric engine mount. I have Lord mounts and they have a silicone filled void in them. Itís a...
Forum: Painting your RV 12-28-2020, 06:38 PM
Replies: 14
Views: 3,740
Posted By Captain Avgas
The paint job looks great Carl. And in the end...

The paint job looks great Carl. And in the end you probably did it for a quarter of the cost of going to a pro aviation paint shop.

The cost of your PPG paint price rise over the years is due to...
Forum: RV General Discussion/News 12-27-2020, 07:59 PM
Replies: 132
Views: 22,465
Posted By Captain Avgas
Your experience is the complete opposite of my...

Your experience is the complete opposite of my experience. I have 5 retired airline pilot buddies, all flying RVs, and not one of them is equipped for IFR.

When I ask them why they did not instal...
Forum: RV-14 12-26-2020, 06:16 PM
Replies: 63
Views: 11,148
Posted By Captain Avgas
If you want to buy and fly then donít be...

If you want to buy and fly then donít be influenced by the pied pipers on VansAirforce who will encourage you to build. They might just be leading you to the river to drown....only approximately 30%...
Forum: RV-14 12-25-2020, 08:15 PM
Replies: 63
Views: 11,148
Posted By Captain Avgas
This is an easy question to answer. If the...

This is an easy question to answer. If the expenditure on the garage has not added anything to the capital value of the property in terms of resale value then it’s an aircraft building cost. It’s...
Forum: RV-14 12-24-2020, 11:43 PM
Replies: 63
Views: 11,148
Posted By Captain Avgas
I just have to laugh at some of the figures that...

I just have to laugh at some of the figures that people say you can build RVs for...often ridiculously low numbers that don’t reflect reality.

How do they arrive at these bargain basement numbers....
Forum: RV General Discussion/News 12-22-2020, 03:47 AM
Replies: 45
Views: 5,885
Posted By Captain Avgas
I’ve been flying IFR for decades and as far as...

I’ve been flying IFR for decades and as far as I’m concerned the rating, like all ratings, is just a licence to start learning. JFK Jnr. was rated to fly at night...except when the crunch came he...
Forum: Reviews 12-21-2020, 07:48 PM
Replies: 38
Views: 4,635
Posted By Captain Avgas
I dropped the Vans Barry mounts and used Lord...

I dropped the Vans Barry mounts and used Lord mounts. Many builders do the same. Check the VansAirforce archives....lots of threads on this.
Forum: RV General Discussion/News 12-21-2020, 07:18 PM
Replies: 45
Views: 5,885
Posted By Captain Avgas
You’re not “old school”....you’re smart and...

You’re not “old school”....you’re smart and experienced.

The 2 seat RVs were never designed by Vans with serious IMC flying in mind. They’re light, responsive VMC sports planes. For the most part...
Forum: RV Building Tips/Techniques 12-21-2020, 04:46 PM
Replies: 41
Views: 4,765
Posted By Captain Avgas
The big problem with cutting large holes into...

The big problem with cutting large holes into existing tanks is that, regardless of what cutting technique you use, you are going to end up with aluminium swarf inside the tank. Making sure you get...
Forum: Reviews 12-21-2020, 04:24 PM
Replies: 38
Views: 4,635
Posted By Captain Avgas
The point is taken. However it doesnít take the...

The point is taken. However it doesnít take the astute RV builder terribly long to realise that many third party products supplied in Vans kits are el cheapo. By the time I got to the FWF kit I had...
Forum: Reviews 12-20-2020, 03:49 PM
Replies: 38
Views: 4,635
Posted By Captain Avgas
I agree completely. Builders continued to buy...

I agree completely. Builders continued to buy Plane Power alternators because of the cheap price despite mounting evidence that they were very unreliable. B&C run every individual alternator on a...
Forum: Reviews 12-20-2020, 03:48 AM
Replies: 38
Views: 4,635
Posted By Captain Avgas
Iím not sure I understand your query. Did you...

Iím not sure I understand your query. Did you look at the poll results?
Forum: Electronic Ignition Systems 12-20-2020, 03:36 AM
Replies: 14
Views: 1,785
Posted By Captain Avgas
No truth whatsoever. The smart money is on one EI...

No truth whatsoever. The smart money is on one EI and one magneto...best of all worlds.
Forum: Reviews 12-18-2020, 11:11 PM
Replies: 38
Views: 4,635
Posted By Captain Avgas
This is the thread you need to read. The great...

This is the thread you need to read. The great alternator poll.

https://vansairforce.net/community/showthread.php?t=138805

Only a minuscule 2% of B&C users reported a fault in the first 250 hours....
Forum: RV-6/6A 12-14-2020, 05:57 PM
Replies: 48
Views: 10,460
Posted By Captain Avgas
The most fundamental thing here of interest to...

The most fundamental thing here of interest to other RV pilots is why your engine quit. Thatís what everyone wants to know.
Forum: RV General Discussion/News 12-12-2020, 05:57 PM
Replies: 12
Views: 2,538
Posted By Captain Avgas
The jokes might be bordering on the esoteric. For...

The jokes might be bordering on the esoteric. For those not familiar with the Church of the Flying Spaghetti Monster go here:

https://en.wikipedia.org/wiki/Flying_Spaghetti_Monster
Forum: Traditional Aircraft Engines 12-12-2020, 05:45 AM
Replies: 36
Views: 4,819
Posted By Captain Avgas
I donít think you can get adequate oil pressure...

I donít think you can get adequate oil pressure on a newly installed engine by turning over the prop by hand.
Forum: RV-6/6A 12-10-2020, 09:00 PM
Replies: 9
Views: 833
Posted By Captain Avgas
Replacing a glassed-in windscreen on a slider and...

Replacing a glassed-in windscreen on a slider and repainting is a truly terrible and time consuming job. Don't expect any change from $3000.
Forum: RV-10 12-10-2020, 08:44 PM
Replies: 21
Views: 3,097
Posted By Captain Avgas
Firstly, when Scott asks you if you have a...

Firstly, when Scott asks you if you have a "snubber" on your fuel pressure sensor hose I assume he means a restrictor which is in effect just a narrow orifice usually installed in the fitting at the...
Forum: RV General Discussion/News 12-08-2020, 11:24 PM
Replies: 12
Views: 2,538
Posted By Captain Avgas
I reckon the pastor needs to eat less pasta :D

I reckon the pastor needs to eat less pasta :D
Forum: Electronic Ignition Systems 11-24-2020, 07:32 PM
Replies: 14
Views: 1,608
Posted By Captain Avgas
Well, I agree that having a timing display is...

Well, I agree that having a timing display is extremely important but as Ralph Inkster correctly pointed out in Post #11 the statement that you can only have a timing display with SDS EI is not...
Forum: Safety 11-23-2020, 02:23 AM
Replies: 9
Views: 1,451
Posted By Captain Avgas
I agree. This fitting was never properly torqued...

I agree. This fitting was never properly torqued up in the first place. I've seen torque seal spin around without fracturing when it was applied to an oily thread and that of course can be...
Forum: Electrical Systems 11-21-2020, 07:29 PM
Replies: 37
Views: 4,222
Posted By Captain Avgas
+1 Too many builders have been playing too...

+1 Too many builders have been playing too many video games. Too many people trying to be cool. These are simple planes so keep them simple because simple is safer. Having 4 or 5 functions on the...
Forum: RV Ongoing Maintenance Issues 11-21-2020, 06:56 PM
Replies: 18
Views: 2,712
Posted By Captain Avgas
Many builders have had good success by...

Many builders have had good success by incorporating an aluminium plate into the bottom of the FAB. That's what I did.... 520 hours and performing like a champ. Without the metal plate it is only a...
Forum: RV General Discussion/News 11-01-2020, 10:32 PM
Replies: 16
Views: 3,734
Posted By Captain Avgas
I agree entirely. It's a pathetic and amateurish...

I agree entirely. It's a pathetic and amateurish piece of journalism. With roughly 20,000 hours of transition training in RVs (many to really low time pilots) Mike Seagar must be sitting on a...
Forum: RV General Discussion/News 10-31-2020, 08:37 PM
Replies: 15
Views: 2,379
Posted By Captain Avgas
A cautionary tale about the wife.

At this point I need to tell you a cautionary tale that is applicable to you and probably to many married builders who are contemplating what aircraft to build.

I have a very good friend and when he...
Forum: RV models of the future (RV-??) 10-27-2020, 09:58 PM
Replies: 652
Views: 245,659
Posted By Captain Avgas
7. Ability to enter and exit the aircraft in...

7. Ability to enter and exit the aircraft in heavy rain without getting drowned...or getting the interior soaked. An advantage not to be underestimated.

8. Vastly superior wing clearance in...
Forum: RV models of the future (RV-??) 10-19-2020, 09:23 PM
Replies: 20
Views: 6,368
Posted By Captain Avgas
Yes Van did say that....but if my memory serves...

Yes Van did say that....but if my memory serves me correctly he went on to say that a number of aircraft with low wings including Messerschmitts were successfully used for rough field operations in...
Forum: Glass Cockpit 10-14-2020, 10:28 PM
Replies: 37
Views: 5,717
Posted By Captain Avgas
I’m not talking here about panel instrumentation....

I’m not talking here about panel instrumentation. I’m talking about a mechanism that senses critical flight data and needs to be incorporated into the airframe.

Would it be negligent for a kit...
Forum: Glass Cockpit 10-14-2020, 07:00 PM
Replies: 37
Views: 5,717
Posted By Captain Avgas
One AFS 5600T in my RV7A. Use it for flight...

One AFS 5600T in my RV7A. Use it for flight instruments and have the engine instruments configured across the bottom of the same screen. Fabulous...everything important right in front of me. Five...
Forum: RV models of the future (RV-??) 10-08-2020, 09:26 PM
Replies: 652
Views: 245,659
Posted By Captain Avgas
John, I'm not sure why you want to have long...

John, I'm not sure why you want to have long running threads permanently closed when it is obvious that people have an interest in the subject and want to keep posting. This is not the first time...
Forum: RV models of the future (RV-??) 10-06-2020, 07:20 PM
Replies: 652
Views: 245,659
Posted By Captain Avgas
Van gives a big hint.

Richard Van Grunsven appeared today on a SocialFlight Live Webinar hosted by Jeffrey Simon. When asked by Simon what the future might hold for Vans Aircraft Van's response was interesting. He...
Forum: RV Ongoing Maintenance Issues 10-02-2020, 07:38 PM
Replies: 6
Views: 1,620
Posted By Captain Avgas
I wouldn’t be putting this product on wet...

I wouldn’t be putting this product on wet anywhere that it might contact my canopy. It contains levels of MEK as a solvent....deadly for acrylic.
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