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Search: Posts Made By: bmarvel
Forum: RV-14 02-06-2021, 07:35 AM
Replies: 26
Views: 4,205
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: 1,234
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: 1,712
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: 2,061
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 57
Views: 13,743
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: 5,929
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: 21,163
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: 1,315
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: 2,364
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: 21,163
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: 21,163
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: 21,163
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: 21,163
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: 21,163
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: 21,163
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: 21,163
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: 21,163
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: 2,091
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: 1,661
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: 1,661
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: 4,821
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: 5,209
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: 1,143
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: 2,704
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: 2,704
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: 2,704
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: 2,860
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: 3,364
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: 2,028
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: 2,028
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: 2,152
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: 2,152
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: 2,152
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: 1,282
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: 4,113
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: 4,113
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: 3,742
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: 16,124
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: 16,124
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: 9,377
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: 2,594
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: 2,594
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: 2,594
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: 2,594
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: 2,594
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: 5,905
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: 4,430
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.
Forum: RV-14 09-17-2018, 03:16 PM
Replies: 12
Views: 4,706
Posted By bmarvel
Sorry, meant Hartzell.

Sorry, meant Hartzell.
Forum: RV-14 09-15-2018, 08:14 AM
Replies: 12
Views: 4,706
Posted By bmarvel
I am pretty sure it is the last one -- bad...

I am pretty sure it is the last one -- bad transducer. I have calibrated it several times and it is initially very accurate. Then it fades off later. Called EI and they looked at pix of my install...
Forum: RV-14 09-14-2018, 07:08 PM
Replies: 12
Views: 4,706
Posted By bmarvel
Long -14A non-stop...

For those of you still building and needing motivation or for those wondering about -14A performance, here's something more to look at.

I've got 330 hours on ours now in two years. Two days ago we...
Forum: Glass Cockpit 09-11-2018, 06:27 PM
Replies: 23
Views: 3,999
Posted By bmarvel
Take aways

I appreciate everyone's responses to my post. I think the "bottom line" here is:

1. The bullet proof solution is to assure that all avionics in your airplane that communicate with each other are...
Forum: Glass Cockpit 09-07-2018, 08:16 PM
Replies: 23
Views: 3,999
Posted By bmarvel
An uneasy avionics feeling...

Like other builders, I have avionics from several vendors in my -14A. My choices stemmed from cost, size, familiarity, capability, prior experience and other issues that everyone faces.
To date in...
Forum: RV General Discussion/News 08-01-2018, 05:01 PM
Replies: 253
Views: 51,077
Posted By bmarvel
A simple solution for part of it

I've read all 25 pages in hopes of seeing someone make the suggestion I will below but no luck.

The problems were many and well documented by others. We were 30 southwest of RIPON Sunday mid day...
Forum: RV-14 07-12-2018, 11:36 AM
Replies: 11
Views: 4,113
Posted By bmarvel
Did all that Scott, but still have the leak...

Did all that Scott, but still have the leak problem.

Getting the tank sealant bevel "in plane" across the joint was difficult and maybe not good enough in my situation. I used the called out...
Forum: RV-14 07-12-2018, 10:13 AM
Replies: 11
Views: 4,113
Posted By bmarvel
Canopy water leak

One of the very few problems I have had with the -14A is water dripping through the seal on the forward edge of the canopy. Having owned an -8A previously for some 15 years, I never experienced this...
Forum: RV-14 07-09-2018, 04:15 PM
Replies: 9
Views: 4,619
Posted By bmarvel
Plastic eyeball fresh air vents

With nearly 2000 flying hours in Van's aircraft I have built, I admit to being a big advocate of the company. But now and then I take exception to something and the plastic eyeball vents in the -14A...
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