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Search: Posts Made By: David_Nelson
Forum: RV General Discussion/News 08-28-2021, 01:19 PM
Replies: 45
Views: 7,761
Posted By David_Nelson
About 3 seconds ...

I did the "gallon jug in a 5 gal bucket of water" experiment this afternoon. The regulator at the tubing inlet was set to 25 psig while air was flowing. There were many variables (gauge accuracy,...
Forum: RV General Discussion/News 08-27-2021, 07:39 AM
Replies: 45
Views: 7,761
Posted By David_Nelson
You are correct. Sigh, this is what I get for...

You are correct. Sigh, this is what I get for doing math in public, in the morning, and not carrying my units all the way through.

Thanks,
Forum: RV General Discussion/News 08-27-2021, 05:56 AM
Replies: 45
Views: 7,761
Posted By David_Nelson
Half a second - really?

Some interesting ideas around how to measure and confirm this.

In keeping w/ the "back of the napkin" approach, my plan was to take a 5 gal bucket of water and a 1 gal milk jug, also filled with...
Forum: RV General Discussion/News 08-26-2021, 08:50 AM
Replies: 45
Views: 7,761
Posted By David_Nelson
Thanks!

This is perfect. This has been very entertaining and educational.

Greg - Kudos to you for not only remembering that you had done a spreadsheet 20 years ago but that you were able to find it, too....
Forum: RV General Discussion/News 08-25-2021, 01:36 PM
Replies: 45
Views: 7,761
Posted By David_Nelson
Fluid Dynamics Question

I thought this would be a seemingly simple question but I keep going down complex rabbit holes ala google. I'm looking for "back of the napkin" kinda of solutions and how you got there (I am trying...
Forum: RV General Discussion/News 08-21-2021, 10:05 AM
Replies: 133
Views: 31,313
Posted By David_Nelson
MON to MON?

Hi Spacedoc,

From that Wikipedia article, it would seem that 100LL has a MON rating of 100 octane for "aviation lean". The Wikipedia citation points to this doc (which is also an interesting...
Forum: RV General Discussion/News 08-21-2021, 07:21 AM
Replies: 133
Views: 31,313
Posted By David_Nelson
Octane Scales

Hi Paul,

Thank you for posting that interesting read. I do have a question on the quote below:



I've read a couple of times here on VAF that mogas' and avgas' octane numbers don't mean the same...
Forum: Glass Cockpit 03-31-2021, 08:26 AM
Replies: 15
Views: 1,983
Posted By David_Nelson
GPS Alternatives

Many of our consumer gadgets have the capability to use more than one GNSS solution. Take the iPhone for example. Beginning with the 'iPhone 4S' generation (circa Oct 2011), they've been able to...
Forum: Traditional Aircraft Engines 02-19-2021, 06:46 AM
Replies: 14
Views: 2,383
Posted By David_Nelson
VDO Part Number / Identifying Marks

Hi Victor,

Like you, I went through VDO pressure sensors on a regular basis. Some lasted as long as ~100 hours. At ~50 USD each, it wasn't a big expense but their reliability was poor and they...
Forum: Glass Cockpit 06-02-2020, 09:24 AM
Replies: 65
Views: 10,414
Posted By David_Nelson
No resolution was ever found

I worked with the Garmin folks trying to nail down a common trigger to no avail. They even swapped out the unit and the problem still persisted. To this day, I still have to manually power-cycle...
Forum: RV-7/7A 12-11-2019, 05:55 PM
Replies: 9
Views: 1,445
Posted By David_Nelson
Hi Dave, I'm in the middle of replacing my 4500...

Hi Dave,

I'm in the middle of replacing my 4500 with a 5500.

I chose the 5500 over the 5400 for one primary reason:

- I wanted a unit that shared the same bottonology, and associated source code,...
Forum: Instrument Flight Rules 12-05-2018, 05:29 AM
Replies: 8
Views: 1,943
Posted By David_Nelson
Searching for 'HOME' results in two entries: ...

Searching for 'HOME' results in two entries:

HOME-AMTR-AMATEUR
HOME-KIT-KIT

What's the difference?

Curious how you guys know this or found out about this. I looked in the FAQ and 'IACRA...
Forum: Instrument Flight Rules 12-04-2018, 10:34 AM
Replies: 8
Views: 1,943
Posted By David_Nelson
That worked!

Thank you, Bob.

/\/elson
Forum: Instrument Flight Rules 12-04-2018, 09:53 AM
Replies: 8
Views: 1,943
Posted By David_Nelson
IACRA - How did you select your experimental

I'm gearing up to take my instrument check ride so I'm going through the motions of filling out IACRA. The '2. Certificate Sougt' tab is red because I've not yet chosen my aircraft and listed...
Forum: Texas (South) 12-14-2017, 05:08 AM
Replies: 14
Views: 6,054
Posted By David_Nelson
Thanks - I think I found the ad. No QT Halo...

Thanks - I think I found the ad. No QT Halo listed. Unfortunately, I don't know the brands/models of the other victim's headsets.
Forum: Texas (South) 12-14-2017, 05:02 AM
Replies: 14
Views: 6,054
Posted By David_Nelson
The theory proposed by the PD was that an air...

The theory proposed by the PD was that an air shim (https://www.amazon.com/Winbag-15730-Wedge-Alignment-Inflatable/dp/B00NESAU0U) was used to gain access to the back of the door lock to unlock it.
Forum: Texas (South) 12-13-2017, 04:52 AM
Replies: 14
Views: 6,054
Posted By David_Nelson
Headset thefts at T74 / Taylor, TX

Discovered the other day that one of my Quiet Technologies headsets and my Bison RV Flight Bag had been stolen from my plane while locked away in my hangar at T74. After bringing it to the airport...
Forum: ADS-B 11-13-2017, 07:27 AM
Replies: 27
Views: 8,424
Posted By David_Nelson
Interfacing with a Garmin 430W

Hi Don,

I was pondering your work and the following occurred to me: Speaking for the certified ADS600-B NavWorx units, It's my understanding that the 430W needs firmware 5.x, or better, to output...
Forum: ADS-B 10-27-2017, 05:34 PM
Replies: 73
Views: 22,289
Posted By David_Nelson
430W Pins

Thanks guys! A few extras were included with my wiring harness so I should be in good shape .... now I just need to find them. ;)
Forum: ADS-B 10-27-2017, 07:26 AM
Replies: 73
Views: 22,289
Posted By David_Nelson
Re: Requirements to connect a Garmin 430W to NavWorx ADS600-B 200-0012

Hi Bob,

Read through the updated NavWorx manual that you sent me and page 90 answered all my questions. Figured it'd be useful to note them here for others:

- UAT Console 4.1.0

- I'll need a...
Forum: ADS-B 10-26-2017, 06:00 AM
Replies: 73
Views: 22,289
Posted By David_Nelson
Thanks

Thank you Bob.
Forum: ADS-B 10-24-2017, 07:05 AM
Replies: 73
Views: 22,289
Posted By David_Nelson
Requirements to connect a Garmin 430W to NavWorx ADS600-B 200-0012

My NavWorx install manual dated 2013-12-22 (upper left corner of the title page) doesn't document how to connect a Garmin 430W to an ADS600-B 200-0012 for the purposes of a position source.

So far,...
Forum: Visual Flight Rules 09-24-2017, 08:50 AM
Replies: 8
Views: 6,067
Posted By David_Nelson
Hash marks

Hi Jack,

Are there hash marks through the frequency information for your particular VOR? According to the chart legend, this indicates that the navaid has been shutdown. Take ECA...
Forum: Flight Testing 08-31-2017, 06:20 PM
Replies: 0
Views: 1,664
Posted By David_Nelson
Looking for a formula

This is a little fuzzy but here goes: A number of years ago (5'ish) , somebody posted a formula that corrected TAS based upon the weight of the airplane.

For example: At 65% power, the formula...
Forum: Glass Cockpit 07-19-2017, 06:41 AM
Replies: 65
Views: 10,414
Posted By David_Nelson
Firmware updated - problem persists

Upgraded the GMA-245's firmware the other week from:

Boot: 2.20
System: 2.20
Audio: 2.20
Bluetooth: 2.00

to:

Boot: 2.20
Forum: Glass Cockpit 07-07-2017, 01:01 PM
Replies: 65
Views: 10,414
Posted By David_Nelson
iOS Version

Hi Matt,

I going to guess that the iPad is at iOS 10.3.2 (latest version) as I wait until ForeFlight gives the "all clear" which was done for 10.3.2 on May 25, 2017. Regardless, I'll verify the iOS...
Forum: Glass Cockpit 07-07-2017, 12:49 PM
Replies: 65
Views: 10,414
Posted By David_Nelson
Garmin link

Hi Walt,

Thanks for that link! If it's different than what's already loaded I'll get that loaded and try it out.

I was using https://buy.garmin.com/en-US/US/p/154887 and I see now I should have...
Forum: Glass Cockpit 07-07-2017, 11:35 AM
Replies: 65
Views: 10,414
Posted By David_Nelson
Garmin GMA-245 doesn't always reconnect via Bluetooth

Replaced my PSE-8000B audio panel with a GMA-245 a few months ago and have been mostly happy with it. The only problem I'm regularly encountering is that my iPad doesn't always reconnect...
Forum: Glass Cockpit 05-17-2017, 05:55 PM
Replies: 4
Views: 1,627
Posted By David_Nelson
Just to close this out: I went the Garmin route...

Just to close this out:

I went the Garmin route with their programmer and DB updates.

Thanks to those that chimed in.
Forum: Glass Cockpit 05-08-2017, 08:50 PM
Replies: 4
Views: 1,627
Posted By David_Nelson
Interesting - Thanks, Bob.

Interesting - Thanks, Bob.
Forum: Glass Cockpit 05-08-2017, 03:23 PM
Replies: 4
Views: 1,627
Posted By David_Nelson
Why shouldn't I get Garmin's programmer and NavData?

The way I understand things:

- Garmin's programmer (P/N: 010-10579-20) works for both the NavData and Obstacle/Terrain cards. For the NavData cards, it will program both the Silver (430W/530W) and...
Forum: Glass Cockpit 05-04-2017, 06:34 AM
Replies: 1
Views: 1,081
Posted By David_Nelson
Best place to buy a Garmin Orange NavData Card

I'm looking to buy a new Garmin Orange NavData Card for 400/500 WAAS Series and I see that Jepp sells them for...
Forum: RV General Discussion/News 03-21-2017, 07:20 PM
Replies: 9
Views: 6,900
Posted By David_Nelson
Hi Kevin, Trying to make sure I understand this...

Hi Kevin,

Trying to make sure I understand this based upon some data I collected from the EFIS the other day:

Altitude: 8000 feet MSL
Density Alt: 9830 feet
Baro: 30.20 inHg
Man: 23.2 inHg...
Forum: Places To Fly...Things to See...Things to Eat 03-21-2017, 04:43 PM
Replies: 7
Views: 10,239
Posted By David_Nelson
Fries?

How were the fries? I'm keeping an eye out for a restaurant that has good fries and accessible by plane in the Central Texas area.

Thanks,
Forum: ADS-B 03-17-2017, 05:18 AM
Replies: 698
Views: 301,881
Posted By David_Nelson
Is NavWorx gone?

I'm hoping this is just a glitch and not a sign of things to come but can others get to NavWorx's web site? The registry info for 'navworx.com' was recently updated and doesn't expire until Oct...
Forum: Places To Fly...Things to See...Things to Eat 02-12-2017, 10:44 PM
Replies: 5
Views: 2,644
Posted By David_Nelson
Thanks for the head's up on some other places and...

Thanks for the head's up on some other places and the other thread - completely missed that one.
Forum: Places To Fly...Things to See...Things to Eat 02-11-2017, 06:35 AM
Replies: 5
Views: 2,644
Posted By David_Nelson
Southen Flyer Diner in Brenham, TX - Closed?

I was told this AM that the Southern Flyer Diner was closed and a couple of google searches looks to confirm this.

I called them this AM and they are in fact closed due to economic reasons. They...
Forum: RV General Discussion/News 08-27-2016, 04:29 AM
Replies: 20
Views: 5,831
Posted By David_Nelson
Here's a project you can build

Odyssey has a pretty good technical manual at http://www.odysseybatteries.com/docs/us-ody-tm-002_1014.pdf and http://www.aeroelectric.com/articles/battest.pdf is a pretty easy project to build.
Forum: RV Ongoing Maintenance Issues 08-10-2016, 05:33 AM
Replies: 25
Views: 6,484
Posted By David_Nelson
Keep the pump up high

If you do go the route of an aquarium air pump and desiccant beads please don't let the unit sit on the floor during use.

Last year, one of the local airports flooded and some planes managed to keep...
Forum: RV General Discussion/News 07-18-2016, 05:51 AM
Replies: 10
Views: 6,132
Posted By David_Nelson
Evening Project: Put that old HVAC / Furnace squirrel fan to good use

With summer heat solidly upon us, a bit of moving air can sure help. If you've an old squirrel fan from a HVAC / furnace lying around (or know of somebody who's getting their HVAC/furnace replaced),...
Forum: My RV Build Project 07-12-2016, 06:32 PM
Replies: 52
Views: 26,383
Posted By David_Nelson
Great news! You should sleep better now. ;)

Great news! You should sleep better now. ;)
Forum: My RV Build Project 07-09-2016, 09:35 PM
Replies: 52
Views: 26,383
Posted By David_Nelson
Hi Mazda, I think I see the beginning of the...

Hi Mazda,

I think I see the beginning of the bend that makes the flange in the pic and there looks to be a fraction of an inch between it and the rivet. You may just be Ok but it wouldn't hurt to...
Forum: My RV Build Project 07-06-2016, 09:06 PM
Replies: 52
Views: 26,383
Posted By David_Nelson
Feedback

Hi Mazda,



Edge distance looks to be Ok. I don't see any problem with that and I don't think it'll cause you problems down the road. I will note that keeping the blue plastic in place may slightly...
Forum: My RV Build Project 07-02-2016, 06:59 AM
Replies: 52
Views: 26,383
Posted By David_Nelson
Hi Mazda - That's looking pretty good! Now you...

Hi Mazda - That's looking pretty good! Now you get to practice drilling out rivets on the rudder - be sure to use a good sharp drill bit and take it slow and easy with the air-drill and just tease...
Forum: My RV Build Project 06-28-2016, 06:37 AM
Replies: 52
Views: 26,383
Posted By David_Nelson
Hi Mazda, Replied privately. Bet you a beer, or...

Hi Mazda,

Replied privately. Bet you a beer, or some other tasty adult beverage, that you'll get tired of the c-frame method soon enough. ;)

Good luck,
/\/elson
Forum: My RV Build Project 06-27-2016, 04:56 PM
Replies: 52
Views: 26,383
Posted By David_Nelson
Hi Mazda, I think Aerhed is right - more squeeze...

Hi Mazda,

I think Aerhed is right - more squeeze is needed. However...read below:

Suggestion: Take a small piece of scrap .032 (say 6" x 1"), drill/debur about 10 x #40 holes into it with 1/2"...
Forum: My RV Build Project 06-27-2016, 06:04 AM
Replies: 52
Views: 26,383
Posted By David_Nelson
Dimples

Hi Mazda,

I think you made the correct decision getting a DRDT2 early in the build process and that's one heck of a frame you've got there to go along with it.. With that said, I think there's room...
Forum: RV General Discussion/News 03-30-2016, 09:27 PM
Replies: 11
Views: 4,358
Posted By David_Nelson
Full circle and a compliment (I think)

The other weekend a gave a married couple a ride in the -7A (no, not at the same time). With the pre-flight completed, I asked them my usual questions which includes 1) how do you feel about roller...
Forum: RV General Discussion/News 03-27-2016, 11:49 AM
Replies: 4
Views: 1,666
Posted By David_Nelson
hotels.com

Hi John,

I booked a room for a buddy and myself using hotels.com and got a good rate at Baymont Inn and Suites Lakeland back around March 18. Maybe try that route.

Regards,
/\/elson
Forum: RV General Discussion/News 01-22-2016, 05:16 PM
Replies: 237
Views: 186,756
Posted By David_Nelson
Combine tractor training gone wrong?

Somewhere over Western Nebraska or Eastern Colorado.

http://caura.homenet.org/gallery/d/28962-2/DSC_0957.JPG
Forum: RV General Discussion/News 01-14-2016, 11:24 AM
Replies: 21
Views: 8,954
Posted By David_Nelson
Hi Dan, I think you're referring to the cowling....

Hi Dan,

I think you're referring to the cowling. I never did witness what he did on the outside of the cowling so I'm presuming a similar method was used as was done with the inside. He removed...
Forum: RV General Discussion/News 01-14-2016, 10:58 AM
Replies: 21
Views: 8,954
Posted By David_Nelson
Hi Jerry, You've certainly got a nice thing...

Hi Jerry,

You've certainly got a nice thing going on with your 8A. I had gathered 40+ pics of various paint schemes but I didn't have one of yours. Must've been subconscious. :) Stop on by any...
Forum: RV General Discussion/News 01-13-2016, 10:13 PM
Replies: 21
Views: 8,954
Posted By David_Nelson
Hi Bob, The only other paint related pics I have...

Hi Bob,

The only other paint related pics I have are here (http://caura.homenet.org/gallery/v/rvlog/Ongoing/paint_schemes/).
Forum: RV General Discussion/News 01-13-2016, 06:04 PM
Replies: 21
Views: 8,954
Posted By David_Nelson
Thanks for kind compliments. Scroll - Not going...

Thanks for kind compliments.

Scroll - Not going to Oshkosh but a couple of hangar mates from Taylor are talking about Sun-N-Fun - we'll see. Really looking forward to Petit Jean this year and...
Forum: RV General Discussion/News 01-13-2016, 06:48 AM
Replies: 24
Views: 7,331
Posted By David_Nelson
Got it - makes it go faster - LOL.

Got it - makes it go faster - LOL.
Forum: RV General Discussion/News 01-12-2016, 09:46 PM
Replies: 24
Views: 7,331
Posted By David_Nelson
What's the history of the checkered rudder?

A neighbor from across the street asked if there was any particular history to the checkered rudder. Good question. What say you all?
Forum: RV General Discussion/News 01-12-2016, 09:43 PM
Replies: 21
Views: 8,954
Posted By David_Nelson
One less naked plane

After flying naked (the plane, not me) for just over four years, she's finally got paint!

http://caura.homenet.org/gallery/d/29729-2/IMG_0008.JPG

Paint was done by Steve Evans of Top Gun Aircraft...
Forum: RV Ongoing Maintenance Issues 12-19-2015, 08:32 AM
Replies: 4
Views: 2,016
Posted By David_Nelson
Thanks

Hi Jim,

Perfect! For those interested in what else CamLoc makes:

http://www.afsrcamloc.net/xua/downloads/2600%20&%202700%20Series.pdf


Hi Larry,

Thanks for the offer. I'll keep it in mind.
Forum: RV Ongoing Maintenance Issues 12-17-2015, 05:02 AM
Replies: 4
Views: 2,016
Posted By David_Nelson
P/N for Van's oil door latches

Anybody know the p/n for Van's oil door latches, the ones that look like elephant ears, for a -7 cowl? Technically, I only need a couple of the special washers that hold the latch in place - not...
Forum: RV General Discussion/News 10-18-2015, 12:12 PM
Replies: 81
Views: 31,449
Posted By David_Nelson
Back safe - Taylor, TX

Hi Bill,

Great show!! A huge "Thank You" to all the folks that made this happen. The Wife and I are already thinking about next year.
Forum: RV Photo/Video URLs 09-17-2015, 07:37 PM
Replies: 6
Views: 3,782
Posted By David_Nelson
Pics - Part II

The Black Hills
http://caura.homenet.org/gallery/d/29019-2/DSC_0944.JPG
--
Devil's Tower - After seeing this,I had an urge to eat some mashed potatoes....
Forum: RV Photo/Video URLs 09-17-2015, 07:36 PM
Replies: 6
Views: 3,782
Posted By David_Nelson
Pics - Part I

Those of us that arrived Thursday went on a bus tour of the Black Hills Friday morning which included the Mt Rushmore...
Forum: ADS-B 09-04-2015, 08:25 PM
Replies: 283
Views: 151,373
Posted By David_Nelson
For your consideration

Hi Everybody,

Already having an ADS-B solution (NavWorx and AFS-4500), it didn't seem to make sense to duplicate the work that the NavWorx was doing (receiving and decoding ADS-B messages). So I...
Forum: Glass Cockpit 09-02-2015, 11:43 PM
Replies: 2
Views: 2,819
Posted By David_Nelson
Hi David, I guess I could see that. Seems like a...

Hi David,

I guess I could see that. Seems like a lot of bytes for diags, though. I managed to get some of the Stratux's ( http://www.vansairforce.com/community/showthread.php?t=128742 ) and...
Showing results 1 to 64 of 413

 
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