VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 488
Search took 0.02 seconds.
Search: Posts Made By: bjdecker
Forum: RV Ongoing Maintenance Issues Today, 10:54 AM
Replies: 4
Views: 113
Posted By bjdecker
I did this on my RV-7 a while back. I applied...

I did this on my RV-7 a while back.

I applied Mouse Milk in the bolt hole, and tapped on the steel a bit. I then used a butane torch and pointed the flame "close" to where the tail spring went into...
Forum: RV-4 04-20-2021, 06:30 PM
Replies: 11
Views: 858
Posted By bjdecker
Long time PC680 battery user in both my RV-7s...

Long time PC680 battery user in both my RV-7s with Lyc. IO-360-A1B6.

**No issues ever**

Recently changed over to EarthX ETX900 to save some weight.
Forum: Safety 04-20-2021, 07:36 AM
Replies: 26
Views: 1,917
Posted By bjdecker
Hardware

Neither the AN509 or AN525 are "threaded" for their entire length, and can be used in shear applications, just like AN3.
Forum: Safety 04-19-2021, 05:22 PM
Replies: 26
Views: 1,917
Posted By bjdecker
Deviation from plans...

Understanding that clearance between the bearing attach and the servo body was a concern, I used a AN525-10R16 instead of the AN509.
Forum: RV-7/7A 04-18-2021, 06:52 AM
Replies: 8
Views: 255
Posted By bjdecker
From the Garmin G3X Installation manual, Rev. AM....

From the Garmin G3X Installation manual, Rev. AM. Page 24-24

NOTE
A restrictor or snubber fitting (not available from Garmin) may be installed to dampen
manifold pressure fluctuations. One example...
Forum: COMM 04-11-2021, 02:31 PM
Replies: 3
Views: 388
Posted By bjdecker
I am not familiar with that COMM radio, but it...

I am not familiar with that COMM radio, but it might be a problem with SWR at those frequencies -- Has the cable, connectors, or antenna itself changed recently (become damaged, etc.?)

An easy thing...
Forum: ADS-B 04-09-2021, 02:14 PM
Replies: 7
Views: 400
Posted By bjdecker
Make sure the GPS Integrity (INTGRTY) is set to...

Make sure the GPS Integrity (INTGRTY) is set to 1E-7
Forum: RV Ongoing Maintenance Issues 04-09-2021, 02:04 PM
Replies: 2
Views: 206
Posted By bjdecker
The "No 1090ES TX" error will happen if the GTX...

The "No 1090ES TX" error will happen if the GTX 345 looses Baro and/or Position.
Forum: RV-7/7A 04-09-2021, 07:21 AM
Replies: 19
Views: 853
Posted By bjdecker
Alignment

Getting the right snorkel (VA-132-1,2,etc.) to fit the IO-360-M1B or IO-360-A1B6 with the Avstar/Precision/Bendix FI servo was a challenge.

I made a tool to facilitate this alignment, allows for a...
Forum: RV-14 04-07-2021, 07:35 AM
Replies: 11
Views: 523
Posted By bjdecker
Left front

I put my SafeAir quick drain at the left front location (see #6 in attached).
Forum: RV Building Tips/Techniques 04-04-2021, 03:36 PM
Replies: 11
Views: 1,549
Posted By bjdecker
What Paul alluded to -- in pictures. It's not...

What Paul alluded to -- in pictures.

It's not suitable to torque the nut, but it will hold it in place while you crank in the torque on the bolt head.
Forum: RV-9/9A 03-27-2021, 11:32 AM
Replies: 11
Views: 1,088
Posted By bjdecker
That's a tight spot. I think I would forgo...

That's a tight spot.

I think I would forgo putting a rivet in there. Use a debur tool to put a little more of an angle on the hole, then mix up some epoxy with milled fibers and fill the hole;...
Forum: RV-6/6A 03-27-2021, 09:21 AM
Replies: 12
Views: 833
Posted By bjdecker
If my aircraft was on the "No Services List", I...

If my aircraft was on the "No Services List", I would run a PAPR for my last flight (see https://adsbperformance.faa.gov/PAPRRequest.aspx), and then I would look at the items marked in RED, and refer...
Forum: RV General Discussion/News 03-23-2021, 05:50 AM
Replies: 17
Views: 3,936
Posted By bjdecker
Need more information...

Greg,

Do you think it would be possible to share some photographs of the corrosion and recommended steps for remediation?

Thank you!

B
Forum: RV Ongoing Maintenance Issues 03-17-2021, 03:16 PM
Replies: 25
Views: 2,637
Posted By bjdecker
In the case of the leak from the base of the oil...

In the case of the leak from the base of the oil dipstick tube, replace the stock paper gasket with a neoprene seal. RG-72059 for the 4 bangers...
Forum: RV Building Tips/Techniques 03-17-2021, 11:19 AM
Replies: 14
Views: 714
Posted By bjdecker
Walt, Thank you as always for keeping us honest....

Walt,

Thank you as always for keeping us honest. However, I do have a couple of points that need to be clarified/understood.

1/4 wave monopole antenna design use the formula of L = 234/Freq ->...
Forum: RV Building Tips/Techniques 03-11-2021, 05:46 AM
Replies: 14
Views: 714
Posted By bjdecker
+1 on the installation location as per plans. I...

+1 on the installation location as per plans.

I went with the Delta Pop Low Drag Transponder antenna; my transponder is a Garmin GTX-345 so all the ADS-B, Transponder, 978/1090 signals use a common...
Forum: Electrical Systems 03-09-2021, 12:14 PM
Replies: 47
Views: 7,800
Posted By bjdecker
Cracks...

Maybe not the "B" lead flopping around but an out of balance pulley, rotor or both - you can spin it up to a few thousand RPM and feel the vibration if that's the case.
Forum: RV Building Tips/Techniques 03-09-2021, 12:02 PM
Replies: 14
Views: 1,802
Posted By bjdecker
How much do you need? PM me and we can make...

How much do you need?

PM me and we can make arrangements.

B
Forum: RV Building Tips/Techniques 03-08-2021, 10:10 AM
Replies: 15
Views: 813
Posted By bjdecker
Paul, Respectfully, I was not ignoring that...

Paul,

Respectfully, I was not ignoring that fact. That's why I changed the subject to include "TIPUP Canopy."

Different dynamics.

Cheers!

B
Forum: RV Building Tips/Techniques 03-08-2021, 09:30 AM
Replies: 15
Views: 813
Posted By bjdecker
Tipup Canopy Removal in Flight.

Imagine a scenario in flight where you decide that removing the tip-up canopy and jumping out is your only path to survival; what comes to mind? Busted through the bottom of a loop/split S and the...
Forum: COMM 03-08-2021, 08:00 AM
Replies: 8
Views: 1,018
Posted By bjdecker
You're partially correct -- the SV is radiating...

You're partially correct -- the SV is radiating RF/RMI probably from the LCD drivers or DC-DC switchers, which is coupling into the audio circuitry. Try to install a ferrite choke around the INPUT's...
Forum: GPS 03-07-2021, 10:21 AM
Replies: 81
Views: 6,104
Posted By bjdecker
Jim - PM sent... B

Jim -

PM sent...

B
Forum: RV Building Tips/Techniques 03-07-2021, 07:55 AM
Replies: 15
Views: 813
Posted By bjdecker
One more thing...

"...the canopy will be gone..."

I also did the calculus of how often I wear a parachute - which is 0.00% of the time. So having a removable canopy, to facilitate the egress of my headless torso...
Forum: RV Building Tips/Techniques 03-07-2021, 05:52 AM
Replies: 15
Views: 813
Posted By bjdecker
Location, Location, Location...

I left the canopy release handle for both of my RV-7's and the current RV-14 project in the box...

After experiencing a partial canopy opening early on, I realized that I do not have the strength,...
Forum: ADS-B 03-06-2021, 12:13 PM
Replies: 11
Views: 2,700
Posted By bjdecker
The G3X Software update does NOT update GTN, GTX...

The G3X Software update does NOT update GTN, GTX devices.

The only LRU's that are updated are listed in the release notes for the G3X Software stack -- see...
Forum: Electrical Systems 03-05-2021, 08:40 AM
Replies: 10
Views: 505
Posted By bjdecker
Two things to look at... 1. Grounding from...

Two things to look at...

1. Grounding from Battery (-) -to- firewall -to- engine -to- rest of airframe/forest of tabs.

2. Positive retention, contiguous antenna terminations --There are a bunch of...
Forum: Glass Cockpit 03-04-2021, 02:14 PM
Replies: 4
Views: 570
Posted By bjdecker
Awesome! Good luck with the training. The...

Awesome! Good luck with the training. The instrument rating is, IMHO, the most useful to have...
Forum: Fiberglass 03-04-2021, 01:59 PM
Replies: 21
Views: 2,631
Posted By bjdecker
It's a slip fit, you can see the shape in the...

It's a slip fit, you can see the shape in the picture of it on the TCW website.
Forum: Fiberglass 03-04-2021, 08:27 AM
Replies: 21
Views: 2,631
Posted By bjdecker
IIRC It slips over the flange on the baffle ......

IIRC It slips over the flange on the baffle ... at least the 3" version did.
Forum: Fiberglass 03-04-2021, 07:40 AM
Replies: 21
Views: 2,631
Posted By bjdecker
I'll be the first to admit that a whole lot of...

I'll be the first to admit that a whole lot of TLAR went into the design of my diffuser.

I mounted a 10599R to the firewall behind and below the #4 jug and slightly above the gear tower (I have a...
Forum: Fiberglass 03-03-2021, 04:09 PM
Replies: 21
Views: 2,631
Posted By bjdecker
Nice work Larry. I did something similar. ...

Nice work Larry.

I did something similar. However, the "ring" that the SCEET was clamped to just didn't hold up. I ended up bonding in a section of aluminum duct.

Pictures attached.
Forum: Electrical Systems 03-03-2021, 11:57 AM
Replies: 3
Views: 388
Posted By bjdecker
Static is a funny thing - before you throw the PP...

Static is a funny thing - before you throw the PP alternator into the trash, have a look at the isolation washers under the Mic & Phone jacks...maybe even replace them.

Here's my story - RV-7...
Forum: Electronic Ignition Systems 03-02-2021, 06:56 AM
Replies: 19
Views: 1,864
Posted By bjdecker
Per the LSE manual, the input resistance should...

Per the LSE manual, the input resistance should be ~ 1 Ohm, the coils listed don't meet that specification.
Forum: Electronic Ignition Systems 03-01-2021, 03:11 PM
Replies: 19
Views: 1,864
Posted By bjdecker
That's a good idea.

That's a good idea.
Forum: RV General Discussion/News 03-01-2021, 10:31 AM
Replies: 226
Views: 158,255
Posted By bjdecker
https://en.wikipedia.org/wiki/Hurricane_Supersonic...

https://en.wikipedia.org/wiki/Hurricane_Supersonic_Research_Site
Forum: Electronic Ignition Systems 02-28-2021, 03:41 PM
Replies: 19
Views: 1,864
Posted By bjdecker
A common point of failure in the LSE system is at...

A common point of failure in the LSE system is at the primary wire terminations -- ie. the Fast-On terminations AND RG-400 coax.

While risking the wrath of some and voiding the warranty, etc. etc.,...
Forum: Glass Cockpit 02-28-2021, 03:33 PM
Replies: 4
Views: 570
Posted By bjdecker
From the 430W Pilot's Guide... OBS not available...

From the 430W Pilot's Guide...

OBS not available The OBS mode could not be
activated, because 1) no destination waypoint has been
selected, or 2) the GPS receiver cannot currently determine
its...
Forum: RV Building Tips/Techniques 02-28-2021, 03:21 PM
Replies: 7
Views: 546
Posted By bjdecker
https://www.hougen.com/cutters/sheet-metal-hole-cu...

https://www.hougen.com/cutters/sheet-metal-hole-cutters/Holcutters.html

...and everything Larry said; lube and go slow...
Forum: Electrical Systems 02-28-2021, 03:11 PM
Replies: 32
Views: 1,701
Posted By bjdecker
Marc, I sent you a PM. Are you telling us the...

Marc,

I sent you a PM.

Are you telling us the builder ONLY connected the (-) terminal of the battery to a bolt lug on the engine? Please confirm...

Cheers!
Forum: RV General Discussion/News 02-28-2021, 03:00 PM
Replies: 8
Views: 1,022
Posted By bjdecker
Paint...

Paint works well to seal up the edges/overlaps of skins and fill in the edges around holes.

We aren't building submarines.
Forum: RV Building Tips/Techniques 02-27-2021, 03:17 PM
Replies: 9
Views: 646
Posted By bjdecker
This... https://www.aircraftspruce.com/catalog/ap...

This...

https://www.aircraftspruce.com/catalog/appages/bowdenclamp.php
Forum: RV-7/7A 02-27-2021, 03:15 PM
Replies: 9
Views: 1,078
Posted By bjdecker
So you can get the bottom cowl off?

So you can get the bottom cowl off?
Forum: Places To Fly...Things to See...Things to Eat 02-27-2021, 09:51 AM
Replies: 9
Views: 1,384
Posted By bjdecker
In 2009, 2010, 2015 HBC was located around...

In 2009, 2010, 2015 HBC was located around 2759'01.16"N, 8200'48.11"W.

MJ was the camp hostess...Put on great breakfast, lunch, dinner.

Showers were maybe a hundred yards or so down the fence on...
Forum: Electrical Systems 02-26-2021, 01:56 PM
Replies: 32
Views: 1,701
Posted By bjdecker
...Only if the gauge wires run parallel to the...

...Only if the gauge wires run parallel to the high current wire for a non-insignificant distance ( Depends upon field strength, distance betwixt wires,...
Forum: Traditional Aircraft Engines 02-26-2021, 01:46 PM
Replies: 12
Views: 705
Posted By bjdecker
I would place the lock washer under the nut. It...

I would place the lock washer under the nut. It looks like the washer is under the screw head...
Forum: Electrical Systems 02-26-2021, 11:15 AM
Replies: 32
Views: 1,701
Posted By bjdecker
Grounding...

Based on prior posts, I think you have a set of round gauges in your panel. Start by locating the ground for each gauge, and ensure the terminations are solid, corrosion free, and low resistance --...
Forum: RV Ongoing Maintenance Issues 02-24-2021, 08:39 AM
Replies: 10
Views: 977
Posted By bjdecker
Van's Aircraft has replacements -- VA-107. Put...

Van's Aircraft has replacements -- VA-107.

Put a stack of AN960-10 washers under each "ear" to move the reservoir away from the firewall so no part of the reservoir touches the firewall. I think...
Forum: Glass Cockpit 02-24-2021, 06:28 AM
Replies: 3
Views: 575
Posted By bjdecker
Sounds like you have the sense wire swapped with...

Sounds like you have the sense wire swapped with the ground wire on the Oil Pressure connector or at the GEA 24 -OR- you have the Vsup wired to a +12V output instead of a +5V output (J243 - Pin 18...
Forum: RV Building Tips/Techniques 02-24-2021, 06:17 AM
Replies: 14
Views: 2,568
Posted By bjdecker
No luck...

I tried the magnet idea as described in chapter 5, but it didn't have the precision I wanted. I ended up using a micro-flashlight (Single LED in a key-fob) and some modeling clay to attach it behind...
Forum: Traditional Aircraft Engines 02-23-2021, 02:51 PM
Replies: 12
Views: 705
Posted By bjdecker
Another oddity...

Keep an eye on the #2 CHT.

Note 11:41 to 14:32 and 21:08 to 26:41 -- #2 CHT is NOT following the normal distribution or rate of change.

This tells me the #2 Cylinder is burning too hot / too fast...
Forum: Traditional Aircraft Engines 02-23-2021, 08:56 AM
Replies: 12
Views: 705
Posted By bjdecker
I love data...

You can definitely see something going on there --

EGT on #3 drops out frequently, 9:08, 16:20, 19:29, and so on, regardless of fuel flow settings.
Forum: Traditional Aircraft Engines 02-23-2021, 07:16 AM
Replies: 12
Views: 705
Posted By bjdecker
I would be very suspicious of that EGT...

I would be very suspicious of that EGT probe/wiring. I had a similar pre-failure signature on one of my ALCOR EGT probes very early on (~50 hours).

Swap the probe, see if the signature follows the...
Forum: RV General Discussion/News 02-21-2021, 11:36 AM
Replies: 17
Views: 861
Posted By bjdecker
I put lock washers on screws that aren't held in...

I put lock washers on screws that aren't held in place with a nylock nut, MS21043 nut, nut plate, or similar retention device.

Klixon 7277 CBs have split lock washers, and they are installed in...
Forum: RV General Discussion/News 02-21-2021, 07:11 AM
Replies: 17
Views: 861
Posted By bjdecker
MS35333-37 (Type A), Available from Spruce and...

MS35333-37 (Type A), Available from Spruce and others.

And use TE PIDG Ring Terminals for the wire terminations...
Forum: GPS 02-20-2021, 06:28 AM
Replies: 81
Views: 6,104
Posted By bjdecker
"It was my understanding there would be no...

"It was my understanding there would be no math..." -- Chevy Chase as Gerald R. Ford.
Forum: GPS 02-19-2021, 10:34 AM
Replies: 81
Views: 6,104
Posted By bjdecker
These are broadband, high gain, amplified, high...

These are broadband, high gain, amplified, high frequency antennas...

L1 => 1575.42MHz, and the channel width is ~30MHz.

...and yes, debris on the face will attenuate the signal...
Forum: Glass Cockpit 02-19-2021, 10:16 AM
Replies: 6
Views: 648
Posted By bjdecker
Wrong URL for the G3X Touch Pilots Guide ---...

Wrong URL for the G3X Touch Pilots Guide --- sorry;

Here's the correct link, and the TRIM Display is on Page 81.

https://static.garmin.com/pumac/190-01754-00_q.pdf
Forum: RV-8/8A 02-19-2021, 09:37 AM
Replies: 9
Views: 1,760
Posted By bjdecker
Cracks

When attaching a wedge to the trailing edge, consider the loads imparted to the skin.

> Does the wedge sit in the "field" between two rivets/stiffeners?
> Does it sit across one rivet/stiffener...
Forum: Glass Cockpit 02-19-2021, 09:27 AM
Replies: 6
Views: 648
Posted By bjdecker
-- From the other subforum -- The trim position...

-- From the other subforum --

The trim position sensors are set up in the Engine & Airframe menu (Icon)

You will need to enable/calibrate the device that's connected to one or more of the discrete...
Forum: Steam Gauges 02-19-2021, 09:05 AM
Replies: 5
Views: 775
Posted By bjdecker
The trim position sensors are set up in the...

The trim position sensors are set up in the Engine & Airframe menu (Icon)

You will need to enable/calibrate the device that's connected to one or more of the discrete inputs to the GEA 24 or GSU...
Forum: GPS 02-19-2021, 08:55 AM
Replies: 81
Views: 6,104
Posted By bjdecker
Nor the guys who designed GPS.

Nor the guys who designed GPS.
Forum: Glass Cockpit 02-18-2021, 08:39 AM
Replies: 4
Views: 588
Posted By bjdecker
Force it...

Dan,

From the 650 Part 23 install manual --

"Alternatively, the databases can be updated in Configuration mode via the Updates page. The GTN, by default, will only update to effective databases....
Forum: Glass Cockpit 02-17-2021, 02:05 PM
Replies: 6
Views: 497
Posted By bjdecker
It's clever to be sure, well done! Hopefully...

It's clever to be sure, well done!

Hopefully this doesn't start a primer war, but the question I have is "What problem are you trying to solve?"

Are you planning on redundant/independent power to...
Showing results 1 to 64 of 488

 
Forum Jump

All times are GMT -6. The time now is 05:08 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.