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Search: Posts Made By: bmarvel
Forum: Electronic Ignition Systems 05-20-2022, 03:17 PM
Replies: 11
Views: 870
Posted By bmarvel
Denso IKH 27 Spark Plugs

Am wondering if anyone has found an alternative to the long reach Denso IKH 27 spark plugs normally used in the IO-390 with P-Mags. The latest NAPA price is $17.00 each and while still much less...
Forum: RV-14 04-25-2022, 09:31 PM
Replies: 6
Views: 865
Posted By bmarvel
Thanks for the suggestion. I intend to try that...

Thanks for the suggestion. I intend to try that as it looks to be an elegant solution.
Forum: RV-14 04-25-2022, 08:36 AM
Replies: 6
Views: 865
Posted By bmarvel
Hinge leaks

I've been flying my -14A for 5 years and nearly 1000 hours and love the airplane.

But I have repeatedly tried to solve water leaks through the canopy hinges with no luck. I use only an inside...
Forum: RV General Discussion/News 04-20-2022, 08:48 PM
Replies: 40
Views: 6,165
Posted By bmarvel
Thanks for the suggestion as I would love to talk...

Thanks for the suggestion as I would love to talk with someone who can solve this problem. Unfortunately, the number I had for them, 206 763 8530, is disconnected and the number on their web site,...
Forum: RV General Discussion/News 04-20-2022, 05:11 PM
Replies: 40
Views: 6,165
Posted By bmarvel
What happened to Seattle Avionics?

I bought a life subscription from S.A. Nov 2016 with no problems at all until last month. For some reason I did not get the monthly email that new data was out. That had arrived every month for...
Forum: RV-14 12-03-2021, 05:59 PM
Replies: 12
Views: 5,914
Posted By bmarvel
Learned more about this from Avstar

After installing the straight arm, I still have the problem for the first half inch of throttle travel when the engine is hot, as during a refueling stop. When cold, it works fine.

I called Avstar...
Forum: RV-14 09-14-2021, 05:38 PM
Replies: 12
Views: 5,914
Posted By bmarvel
Same problem when hot

FWIW, I now have the same problem, but only when the engine is hot. Ordered the straight arm today.

After looking at the geometry, I'm not sure why the kit did not include the straight arm to...
Forum: Glass Cockpit 07-22-2021, 09:59 AM
Replies: 0
Views: 718
Posted By bmarvel
Seattle Avionics Charts Out of Date?

A curious friend recently noticed something I had never seen before and could not explain. Nor could a very experienced local CFII when we asked him about it.

Len and I both have a Dynon EFIS...
Forum: RV-14 05-14-2021, 04:55 PM
Replies: 38
Views: 10,812
Posted By bmarvel
This is actually a very good question. Like...

This is actually a very good question. Like others, I too have never heard of this technique but I find the thought interesting.

After all, if high power and hence high pressure are required to...
Forum: RV-14 02-06-2021, 07:35 AM
Replies: 38
Views: 10,812
Posted By bmarvel
+1 on this post. I refill with 6 quarts and a...

+1 on this post. I refill with 6 quarts and a new filter, and then wait to add a quart when the dipstick shows 5. With 721 hours on the 390, I average about a quart every 10 hours. I'm in Colorado...
Forum: RV-14 01-29-2021, 06:00 PM
Replies: 9
Views: 2,463
Posted By bmarvel
Just as a heads up to everyone, I've been using...

Just as a heads up to everyone, I've been using the short reach BR8ES plugs now for several years and 715 hours in the long reach adapters in my IO-390 and have had no problems whatever.

I just...
Forum: RV-14 01-22-2021, 07:23 AM
Replies: 10
Views: 3,376
Posted By bmarvel
Auto plug question for IO-390

For the past 715 hours, I have been using the short reach NGK BR8ES plugs in the long reach adapters for the one P-Mag I have installed in my -14A. Performance and reliability have been so good that...
Forum: RV-14 12-16-2020, 09:05 PM
Replies: 7
Views: 3,121
Posted By bmarvel
Measure carefully...

I too just completed the SB but could not get either of two hole saws to cut through the steel. I ended up just using a dremel cut off wheel and grinding tips to get the job done. I did remove the...
Forum: RV-14 12-15-2020, 12:26 PM
Replies: 69
Views: 30,017
Posted By bmarvel
I helped a friend with a -6A install one of these...

I helped a friend with a -6A install one of these and agree it is a very good unit. It is more expensive and heavier but with only two halves to clamp together, it is substantially easier to install...
Forum: RV-14 12-14-2020, 07:07 PM
Replies: 69
Views: 30,017
Posted By bmarvel
Follow up information

Today I received the four heat muff end plates that I ordered from Rick Robbins. They installed with the other existing hardware just perfectly and are tight around the exhaust pipes. I am almost...
Forum: RV-14 12-09-2020, 06:52 PM
Replies: 69
Views: 30,017
Posted By bmarvel
No, but I never asked him either. Clearly, he...

No, but I never asked him either. Clearly, he needs a supplier. He did read this thread so maybe he'll pop up with an answer to that question.
Forum: RV-14 12-09-2020, 06:37 PM
Replies: 69
Views: 30,017
Posted By bmarvel
Follow up information

I checked today. The exhaust pipe is 1 3/4 and the muff is 2 3/4. Clint at Vetterman told me Rick Robbins is pretty much retired and has closed down his web site.

As Scott posted, Van's is...
Forum: RV-14 12-08-2020, 08:05 PM
Replies: 69
Views: 30,017
Posted By bmarvel
FYI I helped an RV-6A owner install one of those...

FYI I helped an RV-6A owner install one of those on his airplane. It is an excellent unit, very durable, and the best part is that it is in two halves that clamp together over the exhaust pipe. ...
Forum: RV-14 12-08-2020, 06:02 PM
Replies: 69
Views: 30,017
Posted By bmarvel
Heat muff photos

Today I removed both of the heat muffs from the airplane. I have new end plates on order from Van's but they alone will not solve the problem seen in the photos below.

I may use the replacement...
Forum: RV-14 12-08-2020, 07:20 AM
Replies: 69
Views: 30,017
Posted By bmarvel
Part number

As an FYI until I get some pix today, the part number involved is EX-00013C and in my plans is shown on page 48-04, figure 2.

On this drawing you can see what I call "tabs" on both the O.D. and the...
Forum: RV-14 12-07-2020, 06:03 PM
Replies: 69
Views: 30,017
Posted By bmarvel
Yes, I'll take and post a couple photos tomorrow...

Yes, I'll take and post a couple photos tomorrow when I get it apart.
Forum: RV-14 12-07-2020, 05:27 PM
Replies: 69
Views: 30,017
Posted By bmarvel
Urgent Heater Muff/Exhaust Heads Up!

I discovered a problem with one of the heat muffs on my -14A today. Actually, the heat muff was only part of the problem, which also involved the exhaust system. As a data point, the airplane has...
Forum: RV-14 12-07-2020, 07:51 AM
Replies: 26
Views: 9,837
Posted By bmarvel
Mission

Kudos to you, Chris, for thinking through that important concept of aircraft mission.

I loved our -8A but after 1700 hours in it and our new home state's cold winters, the wife asked me to build...
Forum: RV-14 09-13-2020, 07:12 PM
Replies: 70
Views: 32,255
Posted By bmarvel
Tim: I would hope that in addition to a new wire...

Tim:

I would hope that in addition to a new wire pigtail and a new method of engraving numbers, that they have also addressed the problem identified in my August 18 post in this thread. If...
Forum: RV-14 09-02-2020, 08:31 PM
Replies: 0
Views: 1,953
Posted By bmarvel
Interior cockpit covers

Now that I have a better understanding of Smugmug, I wanted to replace some former Tiny Pic photos that have vanished with something once again viewable. The post below was buried in a long thread...
Forum: RV-14 08-27-2020, 04:35 PM
Replies: 6
Views: 3,606
Posted By bmarvel
Replacing the Andair Fuel Pump

I started a new thread for this since it is separate from the Andair fuel pump problem thread that led to this one. (See https://vansairforce.net/community/showthread.php?t=185143).

Due to the...
Forum: RV-14 08-20-2020, 06:37 AM
Replies: 70
Views: 32,255
Posted By bmarvel
Tom: To give you and others a bit more feedback...

Tom:

To give you and others a bit more feedback on that very issue, I've already contacted both AFP and AS/TSFL. I am certain a drop in, elegantly designed solution will be forthcoming from them. ...
Forum: RV-14 08-20-2020, 06:19 AM
Replies: 70
Views: 32,255
Posted By bmarvel
Thanks for the heads up, Heinrich -- I intend to...

Thanks for the heads up, Heinrich -- I intend to do that in the process of installing the AFP pump. The nature of the failure mode appears to be gradual erosion of both the pin and gear over a long...
Forum: RV-14 08-19-2020, 10:29 AM
Replies: 70
Views: 32,255
Posted By bmarvel
Update 3 -- CAUTION, the rest of the story!

I mentioned in my prior post I thought it strange the drive pin seems to have sheared even though there was no evidence of binding in the pump itself. One would think that a sheared pin would be an...
Forum: RV-14 08-17-2020, 10:10 PM
Replies: 70
Views: 32,255
Posted By bmarvel
An excellent question, Tim. Yes, you have...

An excellent question, Tim. Yes, you have version 2 as I do and I had no idea they were up to version 7, which I was told by someone with personal knowledge of it. And I haven't the foggiest what...
Forum: RV-14 08-17-2020, 06:54 PM
Replies: 70
Views: 32,255
Posted By bmarvel
Update 2 -- the kiss of death

It was a lucky guess but that quote from my last post turned out to be correct. I disassembled the pump today and found out what the problem was. I will try to include some photos tomorrow if I can...
Forum: RV-14 08-16-2020, 06:08 PM
Replies: 70
Views: 32,255
Posted By bmarvel
Update

This weekend I looked further into the pump problem in my -14A. The pump motor runs smoothly and quietly but as previously stated, sounds very different from the past and does not generate fuel...
Forum: RV-14 08-15-2020, 05:54 PM
Replies: 70
Views: 32,255
Posted By bmarvel
This is the same problem I reported on a...

This is the same problem I reported on a different thread several weeks ago before my pump failed yesterday. It began occurring after landing for fuel with a hot engine and had never occurred...
Forum: RV-14 08-14-2020, 03:15 PM
Replies: 70
Views: 32,255
Posted By bmarvel
Another pump failure

Just had my Andair pump fail today trying to start for a long-planned trip with another aircraft. It is the model that comes with the -14 kit. Same symptom as others strange sound and no pressure...
Forum: RV-14 06-15-2020, 09:18 AM
Replies: 7
Views: 3,190
Posted By bmarvel
Nearby -14A aircraft

FYI, there is a flying -14A at Delta Blake (KAJZ) and my -14A at Grand Junction (KGJT). I've got 630 hours on mine and have been all over the country in it.

Are you at La Plata or Animas? I was at...
Forum: RV-14 05-08-2020, 08:00 AM
Replies: 8
Views: 2,788
Posted By bmarvel
Yes, pretty much always LOP since out here we're...

Yes, pretty much always LOP since out here we're flying above 10,000 MSL most of the time. I've seen the same 160 KTAS at 8 GPH, WOT and 2400 RPM up to 15,500. FWIW I pull the injectors and clean...
Forum: RV-14 05-07-2020, 07:11 PM
Replies: 8
Views: 2,788
Posted By bmarvel
Head over to GJT

Tom:

I'm over in Grand Junction where my wife and I built our -14A in our garage and I first flew it on September 8, 2016. I've got 612 hours on it now and have been all over the country in the...
Forum: RV-14 03-16-2020, 07:58 AM
Replies: 29
Views: 6,544
Posted By bmarvel
Danger of snow

I am very familiar with both that fatal accident in California and another non-fatal in Illinois where an RV-10 made an off airport landing due to engine failure. In both cases the cause was snow...
Forum: RV-14 02-17-2020, 08:21 AM
Replies: 19
Views: 6,972
Posted By bmarvel
Avoid nose wheel shimmy!

Absolutely! I don't think any of the posts mentioned this important purpose -- reducing nose wheel shimmy. I had a Grumman Tiger for 30 years and have had -A model RVs now for almost 20 and nose...
Forum: Traditional Aircraft Engines 01-06-2020, 08:33 AM
Replies: 6
Views: 1,546
Posted By bmarvel
I ran into this problem many years (decades?) ago...

I ran into this problem many years (decades?) ago with a Grumman Tiger and recall a few things about it. To answer your question, pump output pressure from the Lycoming pump on your engine is...
Forum: RV-14 01-05-2020, 12:37 PM
Replies: 12
Views: 3,744
Posted By bmarvel
Nothing after the annual condition inspection and...

Nothing after the annual condition inspection and filter cleaning last year. There are no fuel leaks and no odor of fuel in the cockpit. And it has flown nearly 150 hours since. That's why I want...
Forum: RV-14 01-05-2020, 12:13 PM
Replies: 12
Views: 3,744
Posted By bmarvel
That is exactly what I do when the engine is cold...

That is exactly what I do when the engine is cold except that I turn the pump on and monitor fuel flow, not pressure, to get 3 GPH and then pump off. With a cold engine that technique works great. ...
Forum: RV-14 01-05-2020, 11:04 AM
Replies: 12
Views: 3,744
Posted By bmarvel
A bit perplexing...

Interesting question as just recently I have run into something that has not occurred before in the 540 hours I have on my -14A.

I've worked through the usual hot start problems with a fuel...
Forum: Propellers 11-11-2019, 09:58 AM
Replies: 19
Views: 3,240
Posted By bmarvel
Dan: Not sure what you mean by this. Is the...

Dan:

Not sure what you mean by this. Is the parallel valve more or less forgiving? Please expand a bit on it. I have a P-Mag on one side and Slick mag on the other of the IO-390 in the -14A. My...
Forum: RV-14 11-11-2019, 09:39 AM
Replies: 9
Views: 4,303
Posted By bmarvel
Icing Heads Up

When we built our -14A I put a short piece of black electrical tape on the outboard leading edge of the left horizontal stabilizer as an ice indicator. Since the surface with the tightest curvature...
Forum: Traditional Aircraft Engines 07-21-2019, 08:08 AM
Replies: 8
Views: 2,203
Posted By bmarvel
That would certainly be a consideration if one...

That would certainly be a consideration if one was pondering possible negative outcomes of this installation without having done it.

But the purpose of my post was to describe what actually did...
Forum: Traditional Aircraft Engines 07-18-2019, 08:53 PM
Replies: 8
Views: 2,203
Posted By bmarvel
Unplanned IO-390 spark plug test

For the entire 455 flight hours on the IO-390 in my -14A, it turns out I?ve been using short reach spark plugs in long reach adapters that came with a P-Mag I installed on the new engine. These...
Forum: Glass Cockpit 07-06-2019, 07:29 PM
Replies: 12
Views: 2,626
Posted By bmarvel
Thanks for the response, Don. Yes, it was...

Thanks for the response, Don.

Yes, it was frustrating for me but I know you have a full plate and only so many hours a day in which to get everything done. I am happy to know now for certain that...
Forum: Glass Cockpit 07-06-2019, 07:24 AM
Replies: 12
Views: 2,626
Posted By bmarvel
Don, this is astonishing! While I appreciate the...

Don, this is astonishing! While I appreciate the very concise answer, why wasn't I told that when I reported this problem to Dynon last September -- 9 months ago? In the back and forth that ensued,...
Forum: Glass Cockpit 07-05-2019, 06:35 PM
Replies: 12
Views: 2,626
Posted By bmarvel
Enroute VNAV - Skyview and GTN 650

I previously posted my concerns about compatibility between a box made by one manufacturer and a related box made by another. In the case at hand, the two are the Skview display/autopilot and the...
Forum: RV-14 06-20-2019, 09:57 PM
Replies: 0
Views: 1,757
Posted By bmarvel
Internal control lock concept

Years ago I installed an internal control lock in my former RV-8A in order to hold the stick in a neutral position. It was a simple hinged pivot attached to the front seat back and lowered into...
Forum: RV-14 05-13-2019, 02:55 PM
Replies: 11
Views: 5,271
Posted By bmarvel
This is apparently the key area and I checked all...

This is apparently the key area and I checked all the boxes you mentioned. I used bondo in the places indicated and have the protruding foam seals. I also used the non hardening sealant called out...
Forum: RV-14 05-13-2019, 12:08 PM
Replies: 11
Views: 5,271
Posted By bmarvel
No luck

Subsequent to Scott's reply I elected to redo the D seal and hinge cover seals during my January annual. I flew the plane to Oklahoma City last weekend and left it outside Saturday night when it...
Forum: RV-14 04-29-2019, 08:16 AM
Replies: 6
Views: 4,549
Posted By bmarvel
During Phase 1 I ran each tank completely dry in...

During Phase 1 I ran each tank completely dry in flight and then refueled to see what my actual usable fuel amount was.

The right tank took 25.6 to fill and the left took 25.3 to fill, at least...
Forum: RV-14 04-13-2019, 10:34 AM
Replies: 23
Views: 19,468
Posted By bmarvel
I certainly don't think there was any significant...

I certainly don't think there was any significant difference in flight and handling characteristics aside from the throttle and stick being in opposite hands. The -14A is a little heavier on the...
Forum: RV-14 04-13-2019, 07:46 AM
Replies: 23
Views: 19,468
Posted By bmarvel
Gosh I hope you did not misinterpret anything I...

Gosh I hope you did not misinterpret anything I mentioned in that thread. My comments were intended as an "oh, by the way" update on what I'd seen in my airplane, which I believe won't differ...
Forum: RV-14 03-18-2019, 09:46 AM
Replies: 32
Views: 13,879
Posted By bmarvel
Why I switched

I put 1700 hours on our -8A QB we built in 16 months from crate to first flight back in 2002. It was my first homebuilt and I loved it. In fact, I planned to die of old age owning that airplane. ...
Forum: RV-14 01-01-2019, 04:31 PM
Replies: 10
Views: 3,674
Posted By bmarvel
Pictures worth more than text

Below are photos of my elevator trim tab set for takeoff as well as the corresponding trim indication on the Skyview display. Despite the appearance of almost full nose down trim on the display,...
Forum: RV-14 12-31-2018, 04:40 PM
Replies: 10
Views: 3,674
Posted By bmarvel
I'll try to cobble up a couple of photos to...

I'll try to cobble up a couple of photos to better show both the trim tab position and the Skyview display when set for takeoff. More RV-14/Skyview owners are going to run into this in the future. ...
Forum: RV-14 12-31-2018, 04:36 PM
Replies: 10
Views: 3,674
Posted By bmarvel
Thanks. That is exactly what I wanted to know...

Thanks. That is exactly what I wanted to know from someone flying a -14 with Skyview.

It is a little disconcerting when a pilot rated passenger asks why I'm taking off with nearly full nose down...
Forum: RV-14 12-31-2018, 12:58 PM
Replies: 10
Views: 3,674
Posted By bmarvel
To clarify, the takeoff trim tab setting works...

To clarify, the takeoff trim tab setting works fine and the airplane flies fine. The problem is that Skyview depicts takeoff trim as very near full nose down. Actual trim tab position for takeoff...
Forum: RV-14 12-31-2018, 10:33 AM
Replies: 10
Views: 3,674
Posted By bmarvel
Skyview pitch trim indication in RV-14

One peculiarity I have not resolved in our -14A is the takeoff pitch trim indication on the Skyview display. Am curious if others have seen the same thing.

As in most airplanes there is a lot more...
Forum: California 12-31-2018, 10:02 AM
Replies: 30
Views: 6,621
Posted By bmarvel
It's been many years but we also ran into the tax...

It's been many years but we also ran into the tax issue when we lived in CA and built our former RV-8A at Torrance (TOA). At the time I carefully read the paperwork regarding the personal property...
Forum: RV-14 12-27-2018, 05:15 PM
Replies: 19
Views: 6,091
Posted By bmarvel
My -14A has 363 hours now in Grand Junction but...

My -14A has 363 hours now in Grand Junction but is apart for the annual. Will be happy to take you flying in it after I sign it off in early Jan. Send me a PM with contact info.
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