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Search: Posts Made By: mburch
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) Today, 11:45 AM
Replies: 3
Views: 349
Posted By mburch
This may also help you locate any interior...

This may also help you locate any interior components that were not adequately deburred...
Forum: RV-14 Yesterday, 09:15 PM
Replies: 6
Views: 163
Posted By mburch
This is the way. Rivet shaver cutter in a...

This is the way. Rivet shaver cutter in a microstop cage.
Forum: Tools 08-13-2022, 10:37 AM
Replies: 48
Views: 3,163
Posted By mburch
Conclusion

This was a timely topic, as my old auto-store creeper finally suffered a catastrophic wheel failure yesterday while I was working under the airplane. Fortunately my new Aero Creeper arrived this...
Forum: RV-12/RV-12iS 08-13-2022, 09:28 AM
Replies: 5
Views: 372
Posted By mburch
Rotax uses sensors that are grounded to the...

Rotax uses sensors that are grounded to the engine case, instead of the better type of sensors with a separate ground connection. Look for grounding issues.
Forum: Tools 08-12-2022, 09:22 AM
Replies: 48
Views: 3,163
Posted By mburch
I asked the owner this question - his answer was...

I asked the owner this question - his answer was that the 3" wheels are fine for normal airplane maintenance use in a hangar, and that the 4" wheels are more for "daily industrial use".
Forum: GPS 08-12-2022, 08:02 AM
Replies: 6
Views: 305
Posted By mburch
They have the schedule posted on their website: ...

They have the schedule posted on their website: https://fly.garmin.com/fly-garmin/devices/update-schedule
Forum: Tools 08-12-2022, 07:21 AM
Replies: 48
Views: 3,163
Posted By mburch
From a review on the Aircraft Spruce website...

From a review on the Aircraft Spruce website (https://www.aircraftspruce.com/catalog/pspages/aerocreeper-13-21329-38.php):
Forum: Tools 08-11-2022, 09:37 AM
Replies: 48
Views: 3,163
Posted By mburch
Man, that Aero Creeper does look like a nice unit...

Man, that Aero Creeper does look like a nice unit (especially if I don't look at the price tag).

For you guys who have one, are any of you particularly tall, and if so do you find that it still...
Forum: Tools 08-10-2022, 08:52 PM
Replies: 48
Views: 3,163
Posted By mburch
Anybody tried this one? Shopsol 1010484 creeper...

Anybody tried this one?

Shopsol 1010484 creeper with adjustable backrest - around $200 from various places: ...
Forum: Tools 08-10-2022, 02:10 PM
Replies: 48
Views: 3,163
Posted By mburch
I need a new creeper

I've been using the same mechanic's floor creeper for probably 20 years. Looks just like the picture below.

It does the job, but there are two things about it I really don't like:

1. The casters...
Forum: RV-15 08-08-2022, 09:36 PM
Replies: 457
Views: 92,319
Posted By mburch
The full sentence from my post was: My point...

The full sentence from my post was:



My point was that if I had to choose between an all-glass door and a different design that would provide real airflow on the ground, I'd pick ventilation every...
Forum: RV-15 08-08-2022, 09:16 PM
Replies: 457
Views: 92,319
Posted By mburch
I guess I might feel differently if the doors...

I guess I might feel differently if the doors folded upwards like they do on your Rans.
Forum: RV-12/RV-12iS 08-05-2022, 07:16 AM
Replies: 20
Views: 2,197
Posted By mburch
Plenty of places if you have a significant...

Plenty of places if you have a significant avionics installation: multi-drop communication buses, one-to-many serial data outputs, etc. Basically any place where a single D-sub pin needs to connect...
Forum: Safety 08-04-2022, 09:04 AM
Replies: 91
Views: 10,703
Posted By mburch
Paul, I think I know the answer, but I'll ask in...

Paul, I think I know the answer, but I'll ask in the interest of clarity and data: All the rudders in question have been the folded-trailing-edge variety, correct?
Forum: Electronic Ignition Systems 08-02-2022, 09:43 PM
Replies: 5
Views: 378
Posted By mburch
I've used this website for various projects in...

I've used this website for various projects in the past, both aviation and non:

http://fittingsandadapters.com/malpiptap.html
Forum: RV-15 08-01-2022, 02:42 PM
Replies: 457
Views: 92,319
Posted By mburch
Well, now that you mention it... I don't really...

Well, now that you mention it... I don't really care about the "head-to-toe glass" gimmick featured on the current prototype, but I do sure hope the final design of the doors features Cessna-style...
Forum: RV Building Tips/Techniques 08-01-2022, 11:01 AM
Replies: 5
Views: 1,038
Posted By mburch
A wire spoon is perfect for this - I couldn't be...

A wire spoon is perfect for this - I couldn't be without mine: https://www.steinair.com/product/wire-spoon/

https://www.astrotool.com/wp-content/uploads/2013/06/35250.jpg
Forum: Glass Cockpit 07-25-2022, 01:29 PM
Replies: 3
Views: 450
Posted By mburch
It'll be fine either way.

It'll be fine either way.
Forum: Electrical Systems 07-19-2022, 11:11 AM
Replies: 42
Views: 2,578
Posted By mburch
Like this? ...

Like this? https://www.amazon.com/General-Aviation-Twin-Plug-Headset-Adapter/dp/B01MSY7RKY
Forum: Glass Cockpit 07-19-2022, 08:15 AM
Replies: 9
Views: 649
Posted By mburch
I often see these autopilots installed with the...

I often see these autopilots installed with the maximum torque limit set too low, which can result in poor autopilot performance. Remember what it says in the installation manual:



You want this...
Forum: Electrical Systems 07-15-2022, 09:59 AM
Replies: 42
Views: 2,578
Posted By mburch
Headsets with LEMO plugs are great because you...

Headsets with LEMO plugs are great because you never need to worry about batteries. But, lots of people have their own headsets with standard GA plugs, so I wouldn't consider installing LEMO...
Forum: Glass Cockpit 07-14-2022, 07:45 AM
Replies: 4
Views: 415
Posted By mburch
No need to get fancy, a tie wrap will...

No need to get fancy, a tie wrap will do:

https://www.rv7blog.com/images/20150403_magnetometer2.jpg
Forum: RV-10 07-12-2022, 02:04 PM
Replies: 8
Views: 703
Posted By mburch
The folks at Cleaveland Tool will make you one...

The folks at Cleaveland Tool will make you one out of a fifty-dollar bill: https://www.cleavelandtool.com/products/special-bar-for-rv-10-empennage
Forum: Electrical Systems 07-10-2022, 12:35 PM
Replies: 12
Views: 1,020
Posted By mburch
For small wire bundles, even easier: Tie wrap #1...

For small wire bundles, even easier:

Tie wrap #1 goes around bundle #1. Don't tighten all the way yet.

Tie wrap #2 goes around around bundle #2, and also through tie wrap #1.

Tighten both. Result:...
Forum: RV Building Tips/Techniques 07-05-2022, 07:11 PM
Replies: 12
Views: 1,493
Posted By mburch
For parts like this my preferred method is to...

For parts like this my preferred method is to clean and scuff, prime with self-etching primer, then apply Rustoleum High Performance Enamel...
Forum: RV-8/8A 07-05-2022, 08:51 AM
Replies: 24
Views: 2,383
Posted By mburch
And while you're down there... maybe it's just...

And while you're down there... maybe it's just the angle of the photo, but it looks like the fuel flow transducer is just hanging in space, supported only by the fuel lines connected to it. If that's...
Forum: Glass Cockpit 07-02-2022, 08:34 PM
Replies: 12
Views: 742
Posted By mburch
Steve's suggestions are all right on. You ought...

Steve's suggestions are all right on. You ought to be able to get this worked out on the ground without burning avgas. The only other thing I'd add, since this is a new GDU 4xx installation, is to...
Forum: Tools 06-26-2022, 07:33 AM
Replies: 32
Views: 3,960
Posted By mburch
A few pictures of how I did it... might be...

A few pictures of how I did it... might be overkill if you only have a small space, but maybe an idea or two you can borrow. Full writeup here: ...
Forum: Tools 06-13-2022, 10:15 AM
Replies: 20
Views: 2,104
Posted By mburch
A Wilton vice is great if you can find one you...

A Wilton vice is great if you can find one you can afford.

I have a 5" pivoting Yost vice, and while it is no Wilton - and Yost vises aren't even manufactured in the US anymore - I've been happy...
Forum: Electrical Systems 06-11-2022, 10:13 PM
Replies: 11
Views: 990
Posted By mburch
I'd probably start by looking at the device...

I'd probably start by looking at the device information page on the G3X display in config mode to see if the GAD 27 even recognizes that you are activating the flap switch.
Forum: RV General Discussion/News 06-01-2022, 07:20 AM
Replies: 8
Views: 1,518
Posted By mburch
It's the new Top Gun movie...

It's the new Top Gun movie...
Forum: Glass Cockpit 05-30-2022, 10:54 AM
Replies: 10
Views: 1,019
Posted By mburch
Okay, I assumed this was for an RV... for...

Okay, I assumed this was for an RV... for store-bought airplanes, the G5 AML STC installation manual (https://static.garmin.com/pumac/190-01112-10_29.pdf) (currently revision 29) has information...
Forum: Glass Cockpit 05-30-2022, 07:45 AM
Replies: 10
Views: 1,019
Posted By mburch
Sounds like you will want to review section 2.2...

Sounds like you will want to review section 2.2 of the G5 installation manual (https://static.garmin.com/pumac/190-02072-01_10.pdf) (currently on revision 10) which will tell you all about this.
Forum: RV Building Tips/Techniques 05-25-2022, 02:49 PM
Replies: 16
Views: 1,978
Posted By mburch
I made this oil cooler support brace by pounding...

I made this oil cooler support brace by pounding some 0.058" wall 4130 tube over the round edge of an anvil, annealing the ends with a torch, and...
Forum: RV Building Tips/Techniques 05-23-2022, 10:26 AM
Replies: 19
Views: 2,147
Posted By mburch
For what it's worth, I ordered a set of...

For what it's worth, I ordered a set of countersinks (https://www.permagrit.com/kt2/) from the Perma-Grit website on May 9th when I saw this thread, and it arrived at my house in the US two weeks...
Forum: COMM 05-19-2022, 04:51 PM
Replies: 3
Views: 457
Posted By mburch
Seems like you already got some answers in your...

Seems like you already got some answers in your previous thread? https://vansairforce.net/community/showthread.php?t=194635

And you may want to inform your avionics shop that the flat rate repair...
Forum: Glass Cockpit 05-04-2022, 08:07 AM
Replies: 10
Views: 1,903
Posted By mburch
Why not just look at your G5's serial number in...

Why not just look at your G5's serial number in configuration mode? No tools required.
Forum: Glass Cockpit 04-28-2022, 11:30 AM
Replies: 9
Views: 463
Posted By mburch
I'd take a look at this thread before doing...

I'd take a look at this thread before doing anything else: https://vansairforce.net/community/showthread.php?t=163697
Forum: Glass Cockpit 04-14-2022, 07:48 AM
Replies: 16
Views: 1,782
Posted By mburch
In an aircraft with a G3X system, I wouldn't even...

In an aircraft with a G3X system, I wouldn't even bother connecting the audio output from a GTN.
Forum: Autopilots 04-07-2022, 04:03 PM
Replies: 16
Views: 3,361
Posted By mburch
Glad you got this resolved. Just for posterity,...

Glad you got this resolved. Just for posterity, this part is actually called the GSA 28 Removal Adapter - see section 18.5.2.5 in the current G3X installation manual (revision AP...
Forum: Glass Cockpit 04-01-2022, 01:30 PM
Replies: 17
Views: 1,878
Posted By mburch
I'm confused - was the manufacturer of your fuel...

I'm confused - was the manufacturer of your fuel quantity sensors not able to tell you (either through their documentation or verbally) what the electrical output of their product looks like?
Forum: RV General Discussion/News 03-26-2022, 08:27 AM
Replies: 27
Views: 4,319
Posted By mburch
I think this is right, based on my own...

I think this is right, based on my own experiences of having a couple different AME's more or less shake their fists and proclaim that airplanes would soon be raining from the sky due to this...
Forum: Glass Cockpit 02-23-2022, 08:03 PM
Replies: 12
Views: 4,409
Posted By mburch
The problem shown in this photo has nothing to do...

The problem shown in this photo has nothing to do with the ARINC 429 signals, and everything to do with the communication between the G5 and the GAD 29, which is not happening at all. I'd start with...
Forum: Glass Cockpit 02-20-2022, 07:58 AM
Replies: 7
Views: 1,832
Posted By mburch
This is normal in my experience. If the private...

This is normal in my experience. If the private airport was the only one in range when you activated Smart Glide, that's where it will take you. If you want to change destinations, use the Direct-To...
Forum: Glass Cockpit 02-19-2022, 07:28 AM
Replies: 5
Views: 666
Posted By mburch
FYI, the use of an optional forced reversion...

FYI, the use of an optional forced reversion switch is documented in section 26.4.6 of the current G3X installation manual (revision AP (https://static.garmin.com/pumac/190-01115-01_ap.pdf)).
Forum: Glass Cockpit 02-18-2022, 09:38 AM
Replies: 10
Views: 892
Posted By mburch
The GMC 507 provides a convenient place to...

The GMC 507 provides a convenient place to connect a TOGA pushbutton, but if you don't have a GMC 507 you could use any of the other discrete inputs in the G3X system for this function.



I have a...
Forum: Glass Cockpit 02-09-2022, 08:34 AM
Replies: 77
Views: 114,969
Posted By mburch
Just to be clear for others reading this - the...

Just to be clear for others reading this - the G3X ESP feature must be specifically enabled by the user in configuration mode (or, in some instances, by an S-LSA OEM via a configuration file). The...
Forum: Glass Cockpit 02-05-2022, 09:39 AM
Replies: 14
Views: 1,406
Posted By mburch
It seems we might be talking about different...

It seems we might be talking about different things. The bridge rectifier you posted is a fine choice for an essential bus, I have the same unit in my airplane. I (and the OP) are talking about...
Forum: Glass Cockpit 02-04-2022, 12:35 PM
Replies: 14
Views: 1,406
Posted By mburch
That's a regular silicon PN diode, not a Schottky...

That's a regular silicon PN diode, not a Schottky diode.
Forum: Glass Cockpit 02-04-2022, 07:57 AM
Replies: 14
Views: 1,406
Posted By mburch
I have the same type of setup in my RV - not...

I have the same type of setup in my RV - not flying but I've ground tested this with a power supply. With a regular PN diode feeding the aux battery, the voltage it sees is just barely adequate to...
Forum: Engine Monitors 02-04-2022, 07:39 AM
Replies: 8
Views: 794
Posted By mburch
They do, and the G3X Touch system can easily be...

They do, and the G3X Touch system can easily be configured to read this data instead of using a fuel flow transducer. I don't personally know how accurate the fuel flow data supplied by the Rotax...
Forum: Glass Cockpit 02-01-2022, 09:49 AM
Replies: 9
Views: 1,285
Posted By mburch
If I understand correctly, it sounds like you are...

If I understand correctly, it sounds like you are using the discrete input on the GAD 27 to sink current, which I wouldn't recommend. I also wouldn't recommend connecting any kind of PWM signal to a...
Forum: RV-12/RV-12iS 01-21-2022, 12:04 PM
Replies: 12
Views: 2,016
Posted By mburch
Hmm, might want to double check that...

Hmm, might want to double check that...
Forum: RV Building Tips/Techniques 01-17-2022, 10:10 AM
Replies: 16
Views: 3,306
Posted By mburch
Sorry, I don't - I have one of those cheap boxes...

Sorry, I don't - I have one of those cheap boxes of "assorted O-rings" which I just dug through until I found some that worked.

- Matt
Forum: RV-8/8A 01-16-2022, 01:38 PM
Replies: 1
Views: 500
Posted By mburch
Lots of ways to do this - here's one:...

Lots of ways to do this - here's one: https://vansairforce.net/community/showthread.php?t=197793
Forum: Glass Cockpit 01-15-2022, 07:26 AM
Replies: 11
Views: 1,980
Posted By mburch
I agree, this "problem" disappears if you use the...

I agree, this "problem" disappears if you use the device's accessories properly.
Forum: RV models of the future (RV-??) 01-02-2022, 10:11 AM
Replies: 53
Views: 9,580
Posted By mburch
Something tells me the OP is an engineer. If...

Something tells me the OP is an engineer. If that's the case, my recommendation would be to build an RV-10. By the time you finish, the kids will be in college, and you will have plenty of room to...
Forum: ADS-B 12-30-2021, 12:15 PM
Replies: 8
Views: 1,451
Posted By mburch
Since you have ADS-B In and Out but only a Mode C...

Since you have ADS-B In and Out but only a Mode C transponder, don't forget to enter your aircraft's N-number or Mode S address on the ADS-B configuration page.
Forum: RV General Discussion/News 10-11-2021, 10:56 AM
Replies: 75
Views: 19,807
Posted By mburch
I did this on my RV-7. Not flying yet (how time...

I did this on my RV-7. Not flying yet (how time flies...) but it is plenty bright, weighs very little, and doesn't protrude much. Mounting it on top of the rudder and paying attention the shape of...
Forum: RV-7/7A 09-23-2021, 09:18 AM
Replies: 11
Views: 2,716
Posted By mburch
Yes, Scott has it exactly right here. In spots...

Yes, Scott has it exactly right here. In spots where the windscreen is too low, it's easy to shim outward and nobody but you will ever know, especially if you use a bead of your favorite sealant...
Forum: RV-8/8A 09-20-2021, 03:15 PM
Replies: 10
Views: 1,401
Posted By mburch
If you choose to leave your wing walk doublers a...

If you choose to leave your wing walk doublers a little long, do yourself a favor and consider if/how they will interfere with the nutplates on the inboard side to which the wing root fairing will...
Forum: Glass Cockpit 09-19-2021, 02:15 PM
Replies: 9
Views: 1,004
Posted By mburch
The installation manual is pretty clear about GPS...

The installation manual is pretty clear about GPS antenna requirements - see section 2.1.1.8 and the note at the beginning of section 8.1, in the current manual revision (rev AN...
Forum: Alternative Engines 09-07-2021, 02:47 PM
Replies: 37
Views: 9,568
Posted By mburch
Maybe not for an RV, but the little helicopter I...

Maybe not for an RV, but the little helicopter I fly sure would be great with something like this...
Forum: RV-15 08-26-2021, 09:12 AM
Replies: 33
Views: 10,824
Posted By mburch
They did say they are working on an RV-15 and an...

They did say they are working on an RV-15 and an RV-16... maybe we'll get a two-seater and a four-seater?
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