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Search: Posts Made By: vlittle
Forum: Canada Today, 05:09 PM
Replies: 15
Views: 745
Posted By vlittle
My experience is that the pre-close inspection is...

My experience is that the pre-close inspection is a workmanship inspection in which the inspector is looking at proper build quality and judging the builder.
For example, in my final inspection of...
Forum: Glass Cockpit 11-16-2019, 08:48 AM
Replies: 35
Views: 7,895
Posted By vlittle
I don't sell anything, but I will posting the...

I don't sell anything, but I will posting the software once testing is completed. Some additional hardware design is required as well to allow for connection to ship's power and the data link. I...
Forum: Glass Cockpit 11-15-2019, 01:04 PM
Replies: 35
Views: 7,895
Posted By vlittle
Based on feedback received (thanks!), I've made...

Based on feedback received (thanks!), I've made some modifications to the display. I also widgetized the AOA and Slip indicator so I can easily scale them and place anywhere on the screen. Oh, I...
Forum: Glass Cockpit 11-08-2019, 07:39 PM
Replies: 35
Views: 7,895
Posted By vlittle
You really need to go check out M5Stack.com. ...

You really need to go check out M5Stack.com. They make the hardware. I've used the ESP devices in several designs. The ESP32 device used in the M5stack is impressive. That's the CPU I use in my...
Forum: Glass Cockpit 11-08-2019, 12:57 PM
Replies: 35
Views: 7,895
Posted By vlittle
Vac, I certainly welcome to opportunity for...

Vac, I certainly welcome to opportunity for collaboration. You've been on my radar for a while. The main impetus for this was to have a rear-seat display. The AOA was an add-on because I already...
Forum: Glass Cockpit 11-08-2019, 12:43 PM
Replies: 35
Views: 7,895
Posted By vlittle
Thanks, Rainier. Don't get confused with the old...

Thanks, Rainier.
Don't get confused with the old posting schematic... that was a prototype for an industrial controller. It's been substantially modified/hardened/improved for new applications. ...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-07-2019, 12:01 PM
Replies: 5
Views: 443
Posted By vlittle
young Eaglet

My daughter texted me this quote today:

(my 2 yr old Grandson) as he's going to bed: "Grandpa's airplane is fast. Grandma's airplane is slow. Today I'm going to ride in Grandma's airplane!".

Same...
Forum: Glass Cockpit 11-06-2019, 09:24 PM
Replies: 35
Views: 7,895
Posted By vlittle
It's about 2" (50mm) diagonal. The case is 50mm...

It's about 2" (50mm) diagonal. The case is 50mm on a side.

V
Forum: Glass Cockpit 11-06-2019, 01:43 PM
Replies: 35
Views: 7,895
Posted By vlittle
AOA and Rear Seat Airdata Display

As part of my effort to update, refresh and update a lot of Vx-Aviation technology, I've had another go at AOA indicators.

My intention is to release the code entirely to the public domain, to run...
Forum: RV models of the future (RV-??) 11-05-2019, 09:32 AM
Replies: 481
Views: 134,441
Posted By vlittle
You probably meant weight to energy ratio, but...

You probably meant weight to energy ratio, but for short haul flights this is manageable.

Google "blackfly song nfb". Be amused, very amused.

And the black flies, the little black flies
Always...
Forum: RV General Discussion/News 11-04-2019, 10:02 PM
Replies: 8
Views: 602
Posted By vlittle
Yahoo! My first flight in my 9A was in 2006 and...

Yahoo! My first flight in my 9A was in 2006 and I still remember every moment. You're going to love flying it.

Vern
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 10-30-2019, 11:44 AM
Replies: 36
Views: 2,082
Posted By vlittle
Good luck. I highly recommend an ice machine. ...

Good luck. I highly recommend an ice machine. They are inexpensive and will get you through the first 10 days without crying like a baby.

Just to be clear, that's 'an ice machine' Not 'a nice...
Forum: RV-8/8A 10-27-2019, 10:02 PM
Replies: 51
Views: 8,709
Posted By vlittle
In my case, I bought...

In my case, I bought this:
https://www.ui.com/airmax/bulletm/

and made this:
https://jacobsalmela.com/2013/09/07/wi-fi-cantenna-2-4ghz-how-to-make-a-long-range-wi-fi-antenna/ It screws directly on...
Forum: RV-8/8A 10-25-2019, 02:15 PM
Replies: 51
Views: 8,709
Posted By vlittle
So, I finally got around to automating my hangar....

So, I finally got around to automating my hangar.

Step #1 was to install a Ubiquity WiFi bridge with a homemade directional 'Cantenna' and a surplus WiFi router. I can easily reach the public...
Forum: RV Ongoing Maintenance Issues 10-25-2019, 02:00 PM
Replies: 22
Views: 2,213
Posted By vlittle
So it makes inspecting the finger screen a bit...

So it makes inspecting the finger screen a bit more amusing..... :)
Forum: RV Ongoing Maintenance Issues 10-25-2019, 09:34 AM
Replies: 22
Views: 2,213
Posted By vlittle
For those who object to the risks or having...

For those who object to the risks or having hazmat running down their arms:

I fabricated a long hose with fittings and a ball valve. I disconnect the fuel inlet to my injector servo and connect it...
Forum: RV-7/7A 10-13-2019, 08:56 PM
Replies: 7
Views: 594
Posted By vlittle
I have several oscilloscope pictures of what...

I have several oscilloscope pictures of what happens when plugs or wires misbehave. Unfortunately, after moving houses and hangars and changing computers, I can't find them.

The #1 indicator of...
Forum: RV-7/7A 10-07-2019, 07:25 PM
Replies: 7
Views: 594
Posted By vlittle
A fouled or misgapped plug or a bad ignition wire...

A fouled or misgapped plug or a bad ignition wire can cause these problems. Check this first before digging too deep.

V
Forum: Electrical Systems 10-02-2019, 09:02 PM
Replies: 21
Views: 2,463
Posted By vlittle
So there may be an issue with fast-ons in low...

So there may be an issue with fast-ons in low current applications. There may not be enough current to break through surface corrosion. I don't know the design of the VP-X, but what I do when I use...
Forum: West (and Southwest) 10-02-2019, 08:05 PM
Replies: 5
Views: 575
Posted By vlittle
You must have your passport with you to gain...

You must have your passport with you to gain admittance to the military base. Trillions of dollars worth of military hardware... very sobering.
Forum: RV General Discussion/News 10-02-2019, 08:03 PM
Replies: 22
Views: 2,040
Posted By vlittle
Rivet gun with a mushroom set. Run it around the...

Rivet gun with a mushroom set. Run it around the the tire near the rim until the bead breaks. I bet you even have the tools in your toolbox!
V
Forum: Fuel Injection Systems 10-01-2019, 09:06 PM
Replies: 74
Views: 16,465
Posted By vlittle
I just have to ask.... does Caddis Fly?

I just have to ask.... does Caddis Fly?
Forum: Traditional Aircraft Engines 10-01-2019, 09:03 PM
Replies: 22
Views: 1,487
Posted By vlittle
I just went through this with measuring the...

I just went through this with measuring the effect of ignition advance on cruise speed.

Two data points: ROP max power. The only change was the ignition timing: no effect on TAS.

The second one...
Forum: Electronic Ignition Systems 09-26-2019, 09:11 PM
Replies: 315
Views: 59,608
Posted By vlittle
I'm not from Missouri (actually from Victoria),...

I'm not from Missouri (actually from Victoria), but all of these claims about ignition timing made me skeptical. I have an IO540 9.2:1 running one magneto and an Electroair electronic ignition.

I...
Forum: RV-9/9A 09-13-2019, 10:19 AM
Replies: 7
Views: 710
Posted By vlittle
Start with aluminum tape. Partially block off...

Start with aluminum tape. Partially block off the front of cylinder #1's fins and go fly. Check the results, it may be all you need.

If cylinder #3 is still too warm, use a washer under the rear...
Forum: RV-7/7A 09-02-2019, 07:31 PM
Replies: 15
Views: 1,780
Posted By vlittle
You can dust off your fiberglassing skills and...

You can dust off your fiberglassing skills and planarize the cowling spinner disc.
It's going to need cloth layups and filler, but in the end, it will look great.

I waxed a piece of melamine board,...
Forum: Places To Fly...Things to See...Things to Eat 08-06-2019, 06:19 PM
Replies: 10
Views: 1,102
Posted By vlittle
Mabel Lake CBF9 is an awesome...

Mabel Lake CBF9 is an awesome recreational/permanent residential airpark.
Delta Air Park, CAK3 is a grass-roots non-res park.
Sidney Island, private strip residential/recreational is on the approach...
Forum: COMM 08-01-2019, 08:31 PM
Replies: 11
Views: 1,166
Posted By vlittle
Here’s a link or two to my open source Audio...

Here’s a link or two to my open source Audio Mixer/Audio Panel. Hope it helps.
http://www.huvver.tech/wp-content/uploads/2019/05/AMX-2A_install_B1.pdf...
Forum: Glass Cockpit 07-28-2019, 11:58 AM
Replies: 43
Views: 8,981
Posted By vlittle
The original 'FIX' protocol, adopted by Garmin...

The original 'FIX' protocol, adopted by Garmin and Dynon for the G3X and SkyView systems was a merger of two proprietary protocols for serial data streams.

Due to feature enhancements and...
Forum: Glass Cockpit 07-26-2019, 04:36 PM
Replies: 43
Views: 8,981
Posted By vlittle
Iíve been off grid for a while, so I am just...

Iíve been off grid for a while, so I am just looking at this thread.... nothing short of brilliant stuff!

I share the challenges of the open hardware community. I have recently been considering...
Forum: RV General Discussion/News 07-25-2019, 08:23 AM
Replies: 56
Views: 8,265
Posted By vlittle
Sadly, that's all too common. That's why it...

Sadly, that's all too common. That's why it matters how the integration is handled. I have many examples, but this is the wrong place to discuss M&A. Back to driving (or pulling) rivets!
Forum: RV General Discussion/News 07-24-2019, 07:57 PM
Replies: 56
Views: 8,265
Posted By vlittle
In my career as an M&A hound, I found that the...

In my career as an M&A hound, I found that the best reason to purchase a smaller company was for talent & Intellectual Property (IP).

All of the other reasons (market share, time-to-market, revenue...
Forum: Rocket 07-18-2019, 09:25 AM
Replies: 14
Views: 2,305
Posted By vlittle
I have a POH that might be of some use. Let me...

I have a POH that might be of some use. Let me know if you want it and Iíll find a way to send it (currently on my boat in Desolation Sound).

V
Forum: Electrical Systems 07-03-2019, 09:57 AM
Replies: 10
Views: 889
Posted By vlittle
All of the above are good recommendations, and...

All of the above are good recommendations, and ones that I practice as written.
See...
Forum: Electrical Systems 07-02-2019, 09:51 PM
Replies: 10
Views: 889
Posted By vlittle
Should work fine, if you parallel the diodes. The...

Should work fine, if you parallel the diodes. The 200 Amp rating for each diode is for 50% duty cycle, so both are needed.

Bear in mind that there can be a leakage current, up to 160 mA if you short...
Forum: RV-8/8A 06-26-2019, 07:30 PM
Replies: 18
Views: 3,083
Posted By vlittle
The Harmon Rocket, with the RV-4 tail needs...

The Harmon Rocket, with the RV-4 tail needs positive recovery techniques... full opposite rudder and down elevator. Inverted spins need more chutzpah, which is in short supply. I wouldn't spin with...
Forum: Electrical Systems 06-26-2019, 05:51 PM
Replies: 21
Views: 2,463
Posted By vlittle
When I tore down my failed Carling switches I...

When I tore down my failed Carling switches I found the contact rocker had become banana-shaped from overheating. Loose rivets--overheating--looser rivets--more overheating--heat, smoke, failure.
Forum: Electrical Systems 06-26-2019, 11:17 AM
Replies: 21
Views: 2,463
Posted By vlittle
About 12 years ago, I posted a forensic analysis...

About 12 years ago, I posted a forensic analysis of Carling switch failures on VAF and Aeroelectric.

Details are lost in the public forums, but here is the summary:

<deranged rant mode on>

Do not...
Forum: RV General Discussion/News 06-25-2019, 10:37 AM
Replies: 32
Views: 5,633
Posted By vlittle
I have toured the factory and asked the question....

I have toured the factory and asked the question. At higher temperatures, the internal glue that holds these actuator assemblies together will soften. Forewarned is forearmed.

V
Forum: RV General Discussion/News 06-21-2019, 09:36 AM
Replies: 24
Views: 4,483
Posted By vlittle
Keep checking six, I will be gunning for you... ...

Keep checking six, I will be gunning for you... my roundel is this:


http://storage.quebecormedia.com/v1/thn_prod/the_hockey_news/568e9967-c34d-4f45-aef7-e2edb1c44806/canucks1.jpg
Forum: RV General Discussion/News 06-13-2019, 07:44 PM
Replies: 3
Views: 1,574
Posted By vlittle
Interesting... For those interested, weather...

Interesting...

For those interested, weather forecasting was a key problem for the mathematics of Chaos theory. Chaos: Making a New Science is the only book I have read three times and I will read...
Forum: RV-7/7A 06-13-2019, 07:24 PM
Replies: 3
Views: 920
Posted By vlittle
Lorne, it's sad to see you sell your project, but...

Lorne, it's sad to see you sell your project, but I understand life gets in the way.
Sounds like someone is going to get an excellent project.

Vern
Forum: RV General Discussion/News 05-28-2019, 10:58 AM
Replies: 12
Views: 1,922
Posted By vlittle
Well, a few months before the mandatory equippage...

Well, a few months before the mandatory equippage for ADS-B in the US, it is now functionally obsolete! UAT will stand alone for a while, but my opinion is that any new aircraft should be equipped...
Forum: Traditional Aircraft Engines 05-25-2019, 11:00 AM
Replies: 8
Views: 1,294
Posted By vlittle
Jim, thanks for the manuals. The quality of them...

Jim, thanks for the manuals. The quality of them is quite impressive. It's nice to see documentation on these types of engines that is not 50 years old!

V
Forum: RV General Discussion/News 05-17-2019, 04:31 PM
Replies: 21
Views: 1,367
Posted By vlittle
I had the same symptoms. Replaced the alternator...

I had the same symptoms. Replaced the alternator under warranty due to an intermittent stator wiring. Has been OK for a few years now.

Unfortunately, it took its toll on the Odyssey battery which...
Forum: RV models of the future (RV-??) 05-16-2019, 10:59 AM
Replies: 481
Views: 134,441
Posted By vlittle
I'd like to weigh in. I already made my choice...

I'd like to weigh in. I already made my choice (S-21), but the tech has evolved sufficiently so that something like an electric RV-12 would appeal to a whole new generation of buyers. This will...
Forum: Electrical Systems 05-13-2019, 10:59 PM
Replies: 7
Views: 968
Posted By vlittle
I use the CPC Series 2 connectors. These use the...

I use the CPC Series 2 connectors. These use the same barrel crimp pins that D-Sub connector shells use.

Available at Digikey in many flavours.

V
Forum: Electrical Systems 05-09-2019, 08:36 AM
Replies: 10
Views: 870
Posted By vlittle
I drew up the symbols myself. I just cut and...

I drew up the symbols myself. I just cut and paste them as I need them, rather than stuff them in a library. Easy.
Forum: Electrical Systems 05-07-2019, 06:47 AM
Replies: 10
Views: 870
Posted By vlittle
Should you end up using expresspcb/expresssch,...

Should you end up using expresspcb/expresssch, here is a starting point: http://www.vx-aviation.com/sprocket/photos/panel_elec/schematics/

You want the .sch file, but all of the individual pages are...
Forum: RV General Discussion/News 05-05-2019, 09:58 AM
Replies: 19
Views: 3,015
Posted By vlittle
Dehumidifiers provide warm dry air. Cooling the...

Dehumidifiers provide warm dry air. Cooling the air is an intermediate step used to the extract the moisture. This dry air is rewarmed by the waste heat of the compressor or thermoelectric...
Forum: Glass Cockpit 05-04-2019, 10:44 PM
Replies: 12
Views: 1,627
Posted By vlittle
CAN bus is a balanced differential pair that is...

CAN bus is a balanced differential pair that is very tolerant to electrical noise and generates little noise itself. The distances we run in our little aircraft also mean that we have very little...
Forum: RV General Discussion/News 04-27-2019, 08:28 PM
Replies: 5
Views: 1,170
Posted By vlittle
My 9A was difficult to trim due to the phugoid...

My 9A was difficult to trim due to the phugoid response. What fixed it was careful elimination of all control system friction.

The biggest contributor was friction in the elevator hinges, including...
Forum: Canada 04-26-2019, 02:16 PM
Replies: 7
Views: 779
Posted By vlittle
Well done! I wonder if this will cover the...

Well done! I wonder if this will cover the Exemption from 549 as well. Keep us posted.

Ironically, a gascolator is also a filter, so it is useful even for FI systems. I have the gascolator...
Forum: RV General Discussion/News 04-22-2019, 11:31 AM
Replies: 758
Views: 488,051
Posted By vlittle
A stylized version of 'Voltar' will appear in an...

A stylized version of 'Voltar' will appear in an animated program from a major studio in the near future....

http://www.vx-aviation.com/sprocket/photos/flying/Voltar_CYPK.jpg



Following photo...
Forum: RV Building Tips/Techniques 04-22-2019, 11:04 AM
Replies: 13
Views: 1,872
Posted By vlittle
Since this stuff is considered hazmat for...

Since this stuff is considered hazmat for shipping, I had to find an acceptable substitute.

My suggestion is that you dress up in your finest duds and go to the cosmetics counter at your local...
Forum: RV General Discussion/News 04-07-2019, 02:04 PM
Replies: 2
Views: 483
Posted By vlittle
I recall asking the same question in my ab initio...

I recall asking the same question in my ab initio flight training. The instructor said if you try both at the same time, that's called a crash!

Landings:

Soft field: nose high, partial or full...
Forum: Primers 04-03-2019, 05:53 PM
Replies: 21
Views: 2,614
Posted By vlittle
Not an RV, but...

Not an RV, but relevant.
http://www.vx-aviation.com/S-21/Wings/IMG_1930.jpg
Forum: RV General Discussion/News 04-03-2019, 08:53 AM
Replies: 92
Views: 21,732
Posted By vlittle
I don't know if this is a help or a distraction,...

I don't know if this is a help or a distraction, but my wig-wag controller implements the OFF-WW-ON function.

This is the natural way the switch should work (down is OFF, up is ON and in the middle...
Forum: Traditional Aircraft Engines 03-22-2019, 10:51 AM
Replies: 36
Views: 6,177
Posted By vlittle
Unfortunately, my write up on a similar problem I...

Unfortunately, my write up on a similar problem I had in 2006 on my 9A is not in the VAF archive. I can only go back 500 postings and I have made over 2000.

Summary:
Cylinder flashing removal (the...
Forum: Canada 03-22-2019, 09:30 AM
Replies: 5
Views: 603
Posted By vlittle
Yes, but the bit rate and sentence format needs...

Yes, but the bit rate and sentence format needs configuring. I have the ACK test lamp (somewhere) in my hangar.

V
Forum: Safety 03-22-2019, 12:14 AM
Replies: 19
Views: 3,162
Posted By vlittle
Review this thread...

Review this thread (http://www.vansairforce.com/community/showthread.php?t=151119&highlight=Arduino) Fire me an email. Thanks.
(Sorry for thread drift).
Forum: Safety 03-21-2019, 12:14 PM
Replies: 19
Views: 3,162
Posted By vlittle
I have been flying behind a trim controller of my...

I have been flying behind a trim controller of my own design for several years. It has autotrim functions and it predates the Dynon and Garmin offerings.

A couple of years ago, I converted the...
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