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Search: Posts Made By: bjdecker
Forum: RV-8/8A 12-03-2021, 04:30 PM
Replies: 1
Views: 115
Posted By bjdecker
See http://www.rvengraving.com/

See http://www.rvengraving.com/
Forum: Engine Monitors 12-03-2021, 09:26 AM
Replies: 10
Views: 190
Posted By bjdecker
^^ ^^ This ^^ ^^ Always good practice to clean...

^^ ^^ This ^^ ^^

Always good practice to clean your orifices :)
Forum: Engine Monitors 12-03-2021, 07:09 AM
Replies: 10
Views: 190
Posted By bjdecker
Yes, it's normal -- the intake valve hammering...

Yes, it's normal -- the intake valve hammering sets up pulses that the GEA 24 pressure transducer "sees" (feels ?) which results in fluctuating MAP readings.

Install the Omega Engineering PS-8G...
Forum: Electrical Systems 12-02-2021, 05:11 PM
Replies: 7
Views: 336
Posted By bjdecker
I'm having a hard time visualizing the circuit...

I'm having a hard time visualizing the circuit where you would want to share capacitance... Can you shed a little more light on what you're trying to accomplish?
Forum: Glass Cockpit 11-30-2021, 06:42 AM
Replies: 9
Views: 1,507
Posted By bjdecker
Check settings...

Put the G3X Touch into configuration mode, select the RS-232 ports and make sure that there is a Green Check next to each port *and* the port is configured for the correct receive/send data format...
Forum: RV-8/8A 11-28-2021, 08:37 PM
Replies: 14
Views: 669
Posted By bjdecker
Quadrant Cables...

How about this --

https://store.vansaircraft.com/custom-quadrant-cable-by-inches-ct-q-custom.html
Forum: Traditional Aircraft Engines 11-28-2021, 12:31 PM
Replies: 36
Views: 3,013
Posted By bjdecker
For a Magneto check -- yes, but not for prop...

For a Magneto check -- yes, but not for prop cycling -- note the oil pressure and MAP changes coincident with the large RPM drops at 00:08:53, 00:08:57, and lastly at 00:09:02.

The Magneto/Ignition...
Forum: Traditional Aircraft Engines 11-27-2021, 06:00 PM
Replies: 36
Views: 3,013
Posted By bjdecker
More observations...

Zoom in a bit more on EGT and other data at the 01:18:52 mark. Note the shape of the curve for the EGT data -- The fire was put out at this point...

Fuel Flow, Fuel Pressure, RPM, MAP, Oil...
Forum: Traditional Aircraft Engines 11-27-2021, 05:22 PM
Replies: 36
Views: 3,013
Posted By bjdecker
Observations...

Tom,

As an aside, the Flap Position sensor isn't connected/working or both. Also, whatever is connected to EarthX Input isn't "happy" - If it's an EarthX battery, it's showing a problem - refer to...
Forum: Traditional Aircraft Engines 11-27-2021, 02:44 PM
Replies: 36
Views: 3,013
Posted By bjdecker
Details

Tom,

As stated elsewhere, you need Compression/Fuel/Spark (or Air/Fuel/Fire) and from what I can see in the data suggests no spark (Fuel is present in ample amounts, Air also...)

What controls the...
Forum: Traditional Aircraft Engines 11-27-2021, 12:09 PM
Replies: 36
Views: 3,013
Posted By bjdecker
My .02

Looks to me like the ignition(s) were turned off either on purpose or by accident about 01:19:00 (See rising MAP, Decreases in RPM, Fuel Pressure, Fuel Flow).

Subsequent attempted unsuccessful...
Forum: RV-14 11-26-2021, 09:47 AM
Replies: 3
Views: 690
Posted By bjdecker
Finally!!!

After a 13 month building hiatus due to CoV-2, bad primer, supply chain, the bigger pieces have started to arrive!

Excellent logistics service from Stewart Transportation.

another RV-14, RV-10, &...
Forum: My RV Build Project 11-25-2021, 12:32 PM
Replies: 47
Views: 51,316
Posted By bjdecker
I think so...

Last flight was November 20th, 2021.
Forum: RV General Discussion/News 11-22-2021, 08:38 AM
Replies: 13
Views: 1,793
Posted By bjdecker
...fixed...

...fixed...
Forum: RV Building Tips/Techniques 11-22-2021, 08:29 AM
Replies: 17
Views: 1,349
Posted By bjdecker
Larry, Just use a small length of SCEET ducting...

Larry,

Just use a small length of SCEET ducting between the back side of the inlets and the front side of the plenum/diffuser.

Make a bell shape for the plenum diffuser similar to what you did for...
Forum: Traditional Aircraft Engines 11-21-2021, 10:17 AM
Replies: 5
Views: 534
Posted By bjdecker
It's either this: ...

It's either this:

https://www.knfilters.com/e-3260-round-air-filter (Lycoming O-320)

or this:

https://www.knfilters.com/e-3450-round-air-filter (Lycoming O-360)
Forum: RV Building Tips/Techniques 11-20-2021, 12:41 PM
Replies: 12
Views: 1,179
Posted By bjdecker
More!

Get a #6 and #10 as well... :)
Forum: COMM 11-19-2021, 02:41 PM
Replies: 47
Views: 4,574
Posted By bjdecker
Is it possible that the type of antenna is...

Is it possible that the type of antenna is causing the issue? I noticed that the OP is using the Delta Pop antenna which presents as a short at DC vs the Comant/Cobham CI-12x which is an...
Forum: Glass Cockpit 11-19-2021, 07:14 AM
Replies: 13
Views: 1,216
Posted By bjdecker
Correct, but he should be seeing the V-speeds...

Correct, but he should be seeing the V-speeds stacked up along the right side of the airspeed tape...

Igor -- did you plug in the V-speeds as per the installation manual, revision AN pages 35-115 --...
Forum: RV-14 11-18-2021, 03:32 PM
Replies: 4
Views: 380
Posted By bjdecker
PM sent...

PM sent...
Forum: RV-14 11-18-2021, 02:13 PM
Replies: 4
Views: 380
Posted By bjdecker
Use a longeron yoke, OR use the extra height flat...

Use a longeron yoke, OR use the extra height flat rivet sets.

PM me if you want to come to GTU and borrow them.

Brian
Forum: RV Ongoing Maintenance Issues 11-18-2021, 08:24 AM
Replies: 22
Views: 2,450
Posted By bjdecker
Shimmy...

The pneumatic tailwheel and extended Bell fork seem to be more sensitive to the caster angle of the Van's yoke.

The vibration you felt was the tailwheel shimmy, which caused the rod end to fail.
Forum: Safety 11-10-2021, 10:07 AM
Replies: 90
Views: 7,606
Posted By bjdecker
I recall that used to be said about Bonanza's ...

I recall that used to be said about Bonanza's :)

Good points on the other stuff Bill.

"Final Call", "Last Call"... whatever is wasting available bandwidth.
Forum: Mid-Atlantic 11-08-2021, 04:52 PM
Replies: 4
Views: 244
Posted By bjdecker
PM sent....

PM sent....
Forum: RV Ongoing Maintenance Issues 11-08-2021, 04:41 PM
Replies: 15
Views: 1,187
Posted By bjdecker
^^ This ^^ Just cut the feeder end off of the...

^^ This ^^

Just cut the feeder end off of the zip tie. The little teeth catch the fluid.
Forum: RV-8/8A 11-08-2021, 04:37 PM
Replies: 5
Views: 535
Posted By bjdecker
Hinrichsen & Son Welding Shop 420 Juanita St....

Hinrichsen & Son Welding Shop
420 Juanita St. Colorado Springs, CO 80909
(719) 632-7750

Just don't say it's an airplane part -- some folks are funny that way...
Forum: COMM 11-08-2021, 09:23 AM
Replies: 15
Views: 815
Posted By bjdecker
Larry, Can you inspect the interface between the...

Larry,

Can you inspect the interface between the CI-138 and the airframe?
Forum: RV-9/9A 11-07-2021, 05:00 PM
Replies: 8
Views: 770
Posted By bjdecker
Dimple...

This is where I deviated from the plans on the -7 and -14 (applicable to the -9 and -10 also).

Instead of countersinking the trim tab rear spar, dimple it. Dress the dimples to remove the...
Forum: RV-12/RV-12iS 11-07-2021, 04:50 PM
Replies: 24
Views: 4,382
Posted By bjdecker
Sequence...

Collars and bends are incompatible. You can slide the nut on without fear however...

1. Cut tube longer than necessary (1/2" or so.)
2. Bend tube at the right places
3. Cut tube to correct...
Forum: RV-7/7A 11-07-2021, 04:30 PM
Replies: 16
Views: 1,987
Posted By bjdecker
As others have stated this could be caused by a...

As others have stated this could be caused by a couple of things - partially blocked injector, missing baffling, detonation caused by lean mixture at high power setting, etc.

My money is on the...
Forum: Electrical Systems 11-06-2021, 11:04 AM
Replies: 3
Views: 421
Posted By bjdecker
Section 2.2.1.2 or Page 2-16 of the G3X Install...

Section 2.2.1.2 or Page 2-16 of the G3X Install manual (link in previous post...) shows the budget for the Garmin toys...

Screen grabs from the GTN install manuals.
Forum: Traditional Aircraft Engines 11-05-2021, 05:38 PM
Replies: 15
Views: 1,183
Posted By bjdecker
sniffle valve stuck open?

sniffle valve stuck open?
Forum: Tip up canopy vs. Sliding canopy 11-05-2021, 11:36 AM
Replies: 21
Views: 2,740
Posted By bjdecker
Only when inverted :)

Only when inverted :)
Forum: Tip up canopy vs. Sliding canopy 11-05-2021, 08:36 AM
Replies: 21
Views: 2,740
Posted By bjdecker
Oh yeah - that won't work at all... Like this...

Oh yeah - that won't work at all...

Like this...
Forum: Tip up canopy vs. Sliding canopy 11-05-2021, 08:35 AM
Replies: 21
Views: 2,740
Posted By bjdecker
Like this :)

Like this :)
Forum: RV Ongoing Maintenance Issues 11-05-2021, 08:26 AM
Replies: 26
Views: 1,366
Posted By bjdecker
That's what I used based on the dimensions called...

That's what I used based on the dimensions called out in DWG C2
Forum: RV Ongoing Maintenance Issues 11-05-2021, 08:06 AM
Replies: 26
Views: 1,366
Posted By bjdecker
Scott mentioned it, and I ordered replacement...

Scott mentioned it, and I ordered replacement spacers from McMaster Carr -- 92415A052

Edit -- this is the thread from Scott...

https://vansairforce.net/community/showthread.php?t=195167&page=2
Forum: Glass Cockpit 11-04-2021, 11:10 AM
Replies: 9
Views: 808
Posted By bjdecker
https://static.garmin.com/pumac/190-01115-01_ap.pd...

https://static.garmin.com/pumac/190-01115-01_ap.pdf
Forum: Glass Cockpit 11-03-2021, 03:25 PM
Replies: 9
Views: 808
Posted By bjdecker
You can put any text you like associated with a...

You can put any text you like associated with a discrete input going active (hi or lo)

Details in the installation manual.
Forum: RV General Discussion/News 11-03-2021, 11:34 AM
Replies: 18
Views: 2,238
Posted By bjdecker
As an FYI, the water might not be coming through...

As an FYI, the water might not be coming through the caps. The moisture in the air at the top of the tank will condense onto the inside top of the tank skin and then fall into the tank at the most...
Forum: RV-10 11-03-2021, 11:25 AM
Replies: 23
Views: 1,659
Posted By bjdecker
Antenna Placement...

Not sure, but I think you can add a few more antennas...
Forum: RV-10 11-01-2021, 09:44 AM
Replies: 23
Views: 1,659
Posted By bjdecker
Upgrade to the GTX 45R and then you'll get Mode...

Upgrade to the GTX 45R and then you'll get Mode S, ADSB-In & Out all in one box, total integration with G3X and only one antenna -- Use the DP Low Drag for antenna. If diversity is needed for your...
Forum: Electrical Systems 10-31-2021, 12:30 PM
Replies: 13
Views: 1,504
Posted By bjdecker
Plane Power OV works...

As an FYI - I accidentally created a scenario resulting in a rapid load shed/dump and the PP Alternator OV Crowbar circuit responded as hoped -- tripped field breaker off at ~15.723 Vdc. < 150mS.

PP...
Forum: Electrical Systems 10-29-2021, 06:19 PM
Replies: 13
Views: 1,287
Posted By bjdecker
Definitely resistors -- The colored bands...

Definitely resistors --

The colored bands you're looking for are:

ORANGE, BLACK, BLACK, RED (300 x 100) --- 30K

BROWN is the tolerance, 1% (29700 Ohm to 30300 Ohm)

Given the size, I'd say...
Forum: RV General Discussion/News 10-29-2021, 06:05 PM
Replies: 4
Views: 1,030
Posted By bjdecker
I thought you were going to find #34 already...

I thought you were going to find #34 already installed :)

Sort of like losing your reading glasses on your face....AMHIK
Forum: RV-14 10-29-2021, 12:38 PM
Replies: 19
Views: 1,148
Posted By bjdecker
Carl, I saw this exact same problem with my...

Carl,

I saw this exact same problem with my RV-7, IO-360-A1B6, red cube mounted to and between the #2 & 4 intake runners.

My solution was to change the 45° AN/NPT fitting at the cube to a...
Forum: RV-14 10-29-2021, 10:28 AM
Replies: 19
Views: 1,148
Posted By bjdecker
Ref OP.. Lycoming did their own cold air...

Ref OP..

Lycoming did their own cold air induction for the IO-390-Cxxx (from which the EXP119 is derived). Part number 42A28515. As illustrated in the Lycoming IO-390-C Parts...
Forum: Glass Cockpit 10-28-2021, 06:18 PM
Replies: 20
Views: 1,919
Posted By bjdecker
I knew I was missing something when I was taxiing...

I knew I was missing something when I was taxiing :)
Forum: RV-7/7A 10-28-2021, 08:24 AM
Replies: 6
Views: 1,089
Posted By bjdecker
IIRC that is used to clamp around the SCAT...

IIRC that is used to clamp around the SCAT ducting for the heater "system". See drawing OP-29, OP-33.

However, you would be better served by using a MS21919-WDG-32 (adel) clamp for the SCAT...IMHO
Forum: Electrical Systems 10-27-2021, 07:23 PM
Replies: 42
Views: 3,896
Posted By bjdecker
Claude, Can you source one of the other Shorai...

Claude,

Can you source one of the other Shorai LiFePo batteries?
Maybe an LFX14A1-BS12. It's a little lower Ah total and lower CCA, but should work...
Forum: RV General Discussion/News 10-27-2021, 06:42 PM
Replies: 3
Views: 785
Posted By bjdecker
I just had a look at my friends RV-14 battery box...

I just had a look at my friends RV-14 battery box -- the existing box/tray could be modified to accommodate the ETX series battery:

1. Increase the length of the bolts that attach the FF-01403A from...
Forum: Electrical Systems 10-27-2021, 06:24 PM
Replies: 5
Views: 566
Posted By bjdecker
Garmin's implementation of RS-232,RS-485, and...

Garmin's implementation of RS-232,RS-485, and CANBus is dependent upon good shield terminations (drains) which the Garmin connectors have in spades. Further, the connectors (not the back shells) are...
Forum: Glass Cockpit 10-27-2021, 03:47 PM
Replies: 20
Views: 1,919
Posted By bjdecker
The G3X Touch (GDU460, 465, etc.) has a COMPOSITE...

The G3X Touch (GDU460, 465, etc.) has a COMPOSITE video input via BNC connector (NOT SVGA). It will demodulate NTSC, SECAM and PAL sources.

https://en.wikipedia.org/wiki/Composite_video

See G3X...
Forum: Electrical Systems 10-27-2021, 09:48 AM
Replies: 42
Views: 3,896
Posted By bjdecker
https://www.summitracing.com/parts/sbt-lfx18l1-bs1...

https://www.summitracing.com/parts/sbt-lfx18l1-bs12

Are you sure it isn't a BS12?

Is the 2 week+ delay a CANADA thing?

On LiFePo -

This is anecdotal, but I've seen cases of these LiFePo's not...
Forum: RV Building Tips/Techniques 10-27-2021, 08:55 AM
Replies: 37
Views: 2,405
Posted By bjdecker
Larry, If you're using a mac, click on the...

Larry,

If you're using a mac, click on the image (opens Preview), click the Rotate Left tool 4 times ( rotate the image 360°), save it then upload -- I don't know why this works...

A windows PC...
Forum: RV-8/8A 10-27-2021, 08:38 AM
Replies: 16
Views: 1,379
Posted By bjdecker
When you get a chance...

Please remove those AN364/5 NyLock (Fiberlock) nuts and replace with MS21042s.
Forum: RV General Discussion/News 10-26-2021, 08:16 PM
Replies: 20
Views: 5,721
Posted By bjdecker
See post #19 — this is *exactly* what i did…

See post #19 — this is *exactly* what i did…
Forum: RV-7/7A 10-26-2021, 06:15 PM
Replies: 47
Views: 8,229
Posted By bjdecker
As builder/pilots we would NEVER accept ...

As builder/pilots we would NEVER accept attaching an un-aerodynamic shape to the exterior of our planes (exception: GoPro Camera), yet we seem to forget about the airflow in & around the engine...
Forum: RV General Discussion/News 10-26-2021, 05:54 PM
Replies: 20
Views: 5,721
Posted By bjdecker
I was a big fan of Robbie Attaway's version and...

I was a big fan of Robbie Attaway's version and very happy to see Darwin pick it up (JDAIR).

-- The Red one is the bomb... :) --

I added a lock keyed the same as the ignition...
Forum: Primers 10-26-2021, 05:41 PM
Replies: 10
Poll: Rust-Oleum
Views: 957
Posted By bjdecker
No vote - Used SEM on parts that contact other...

No vote -

Used SEM on parts that contact other parts (e.g. ribs & flanges to skins, etc.)

https://www.semproducts.com/product/self-etching-primer/39683

It's self etch. Surface prep a priori is to...
Forum: RV Ongoing Maintenance Issues 10-26-2021, 02:52 PM
Replies: 20
Views: 23,923
Posted By bjdecker
Changing to the 149-NL would necessitate changing...

Changing to the 149-NL would necessitate changing the ring gear on the fly wheel from 122 teeth to 149 teeth.... No?
Forum: Traditional Aircraft Engines 10-26-2021, 09:14 AM
Replies: 17
Views: 3,262
Posted By bjdecker
Has anyone attempted to re-flow the solder pool? ...

Has anyone attempted to re-flow the solder pool?

I'm thinking the Weller pencil type with the wide tip (3/16" or 1/4") would work ... or break out Dad's Weller "Space Gun" (8250A), that would...
Forum: RV-7/7A 10-26-2021, 08:53 AM
Replies: 47
Views: 8,229
Posted By bjdecker
There are elastomeric bushings in the ends...

There are elastomeric bushings in the ends...
Forum: RV-7/7A 10-25-2021, 04:08 PM
Replies: 47
Views: 8,229
Posted By bjdecker
Thanks for the feedback...

I replaced the large, round cross brace with a more aerodynamic shape. No flight test data yet, but I don't expect much difference.

Edit: The large holes are to fit a home brew rubber bushing.
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