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Search: Posts Made By: Desert Rat
Forum: Electrical Systems 05-26-2022, 12:26 PM
Replies: 12
Views: 876
Posted By Desert Rat
Thanks for all the suggestions guys. I will put...

Thanks for all the suggestions guys. I will put them to good use
Forum: Electrical Systems 05-25-2022, 09:03 PM
Replies: 12
Views: 876
Posted By Desert Rat
need some advice on soldering tiny terminals

This particular skill set isn't something I've had a lot of practice with, and I'm trying to solder leads on the little $2 PTT switch that Stein sells, without much success.

I've ruined 2 of these...
Forum: RV Ongoing Maintenance Issues 05-23-2022, 07:19 AM
Replies: 6
Views: 523
Posted By Desert Rat
Doubler/dollar riveted to the skin, plug/dime...

Doubler/dollar riveted to the skin, plug/dime riveted to the doubler. FYI- they don't have to be round, that's just a way to visualize it and the name stuck.

AC43.13 has guidance for rivet spacing...
Forum: RV-12/RV-12iS 05-23-2022, 06:30 AM
Replies: 15
Views: 1,233
Posted By Desert Rat
That seems pretty extreme. I don't know much...

That seems pretty extreme. I don't know much about rotax engines, but I can't imagine any gas going bad enough that it would cause a problem in only 6 weeks.

If it were me, I'd just sump it really...
Forum: RV Ongoing Maintenance Issues 05-23-2022, 06:17 AM
Replies: 6
Views: 523
Posted By Desert Rat
A dime-dollar patch is a common way to fix...

A dime-dollar patch is a common way to fix something like this. It's a common repair for holes in sheet metal panels that has been around since God was a kid and a version of it is in the...
Forum: RV General Discussion/News 05-22-2022, 10:26 PM
Replies: 26
Views: 2,748
Posted By Desert Rat
Yesterday I continued in my never-ending quest to...

Yesterday I continued in my never-ending quest to beat electrons into submission.
Forum: Reviews 05-22-2022, 10:17 PM
Replies: 0
Views: 211
Posted By Desert Rat
The vendors that support this community rock

Just a quick story that I'd like to share;

In my never-ending quest to find a bargain, I bought a set of FlyLED nav lights that had never been installed from somebody here on VAF a couple of years...
Forum: Electrical Systems 05-21-2022, 11:07 AM
Replies: 8
Views: 486
Posted By Desert Rat
But don't you have to solder them in? I'm not...

But don't you have to solder them in? I'm not crazy about solder joints in something like this.
Forum: Electrical Systems 05-19-2022, 05:50 PM
Replies: 8
Views: 486
Posted By Desert Rat
how did you guys wire pitot heat annunc. into the G3X?

I have the heated but non-regulated version of garmin's pitot heater and would like to have a CAS "pitot heat on" message.

The original plan was to run a wire off the downstream side of the switch,...
Forum: RV General Discussion/News 05-17-2022, 06:15 PM
Replies: 22
Views: 2,143
Posted By Desert Rat
Well, it had to go somewhere. As I see it, the...

Well, it had to go somewhere. As I see it, the most likely scenarios are

1. tank not full to begin with
2. pumped overboard via fuel leak under the cowl somewhere
3. siphon from cap being...
Forum: Places To Fly...Things to See...Things to Eat 05-14-2022, 09:45 PM
Replies: 14
Views: 740
Posted By Desert Rat
I used to live in Geneva. You're spot on about...

I used to live in Geneva. You're spot on about the expense.

One of the prettiest places on the planet, but insanely expensive.

The only two things I ever saw in the entire country that cost less...
Forum: RV-7/7A 05-11-2022, 06:37 PM
Replies: 4
Views: 258
Posted By Desert Rat
I'm not at my shop to look, but I remember that...

I'm not at my shop to look, but I remember that there are some pictures in the back of the build instructions that show various stuff. Could it be there?
Forum: RV General Discussion/News 05-06-2022, 08:03 AM
Replies: 20
Views: 2,619
Posted By Desert Rat
I see that wire jock has responded to the most...

I see that wire jock has responded to the most recent post, and I know that the original poster's question about 2d minimum edge distance is a couple of years old at this point, but since this thread...
Forum: Safety 05-02-2022, 08:29 PM
Replies: 10
Views: 1,592
Posted By Desert Rat
Tornado season is here!

Hey All-

We had a tornado Friday night a couple of miles from my house here in Wichita.

No damage at my place, but stuff was really trashed a mile or so from here. people lost their homes, cars,...
Forum: RV General Discussion/News 05-02-2022, 01:06 PM
Replies: 8
Views: 750
Posted By Desert Rat
off the top of my head, I believe it's .063

off the top of my head, I believe it's .063
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-02-2022, 09:32 AM
Replies: 1
Views: 273
Posted By Desert Rat
I have a set that I used on my 7. If theyíre the...

I have a set that I used on my 7. If theyíre the same ones for the 9 youíre welcome to them for $40 including snail mail shipping to the lower 48.

I think thatís what I paid when I bought them on...
Forum: RV General Discussion/News 05-01-2022, 09:32 PM
Replies: 33
Views: 2,920
Posted By Desert Rat
Iím setting mine up for a start button with no...

Iím setting mine up for a start button with no key. Just like every bonanza and piston twin Iíve ever flown.

The only key will be for the canopy lock.
Forum: RV General Discussion/News 05-01-2022, 01:19 PM
Replies: 12
Views: 1,044
Posted By Desert Rat
depending on the shape of the part a few things...

depending on the shape of the part a few things have to be formed before they're heat treated i.e. the soft alloy gets the formed then heat treated after. Those parts aren't going to have blue film...
Forum: Electrical Systems 04-30-2022, 12:24 PM
Replies: 1
Views: 319
Posted By Desert Rat
Where to ground master?

Hey guys-

I have a forest of tabs for all things Garmin, but assume that a local ground is reasonable for the master. Am I correct in that thinking and if so, what is best practice for...
Forum: RV Building Tips/Techniques 04-24-2022, 07:34 AM
Replies: 13
Views: 851
Posted By Desert Rat
Thatís still just showing current in the wire,...

Thatís still just showing current in the wire, i.e. switch operation
Forum: RV Building Tips/Techniques 04-24-2022, 06:56 AM
Replies: 13
Views: 851
Posted By Desert Rat
I think that it would be easy to go overboard in...

I think that it would be easy to go overboard in this.

For example, on the boost pump, no matter where you hook the light into the circuit itís ultimately only going to show power on/off to that...
Forum: RV General Discussion/News 04-23-2022, 07:43 PM
Replies: 31
Views: 2,684
Posted By Desert Rat
I'll admit that I just skimmed most of this...

I'll admit that I just skimmed most of this thread, but it seems to me that one reason might be that all type certificated airplanes are built to the same verifiable, documented and approved design...
Forum: RV-7/7A 04-23-2022, 03:36 AM
Replies: 2
Views: 364
Posted By Desert Rat
preferred wire routing through F-711 bulkhead?

This is the double bulkhead with the big vertical bars for the h/s attach.

Is there a preferred location to poke a hole for the nav light wire run?

Common sense would seem to indicate somewhere...
Forum: RV Building Tips/Techniques 04-21-2022, 06:56 AM
Replies: 13
Views: 1,143
Posted By Desert Rat
The history of the ski jump, as explained to me; ...

The history of the ski jump, as explained to me;

Back around 2007-ish there was a run of parts where the top flange of the aft wing spar was under-bent, resulting in the ski-jump. Vans developed...
Forum: Electrical Systems 04-19-2022, 09:00 PM
Replies: 12
Views: 537
Posted By Desert Rat
leading edge combos 1 amp per- 4 in each wing =...

leading edge combos 1 amp per- 4 in each wing = 8 amps, Nav lights=2.5 amps strobes = 6amps peak 3 amp average.

the CO detector calls out a 1amp fuse. don't know what it actually draws, but it...
Forum: Electrical Systems 04-19-2022, 08:54 PM
Replies: 12
Views: 537
Posted By Desert Rat
Unless I've misread the 43.13 chart that has been...

Unless I've misread the 43.13 chart that has been around since I was in A&P school about 1,000 years ago (entirely possible) 8AWG will carry 60 amps continuous 12' on the single wire in free air...
Forum: Electrical Systems 04-19-2022, 08:41 PM
Replies: 12
Views: 537
Posted By Desert Rat
Fly LED lights and a CO detector. The 15amps is...

Fly LED lights and a CO detector. The 15amps is just a back of the envelope guess as to inrushing current Sustained will be quite a bit less than that.
Forum: Electrical Systems 04-19-2022, 08:03 PM
Replies: 12
Views: 537
Posted By Desert Rat
what wire size to secondary fuse block?

Hey guys-

I've got a bunch of breakers on the main ships buss, but due to panel space constraints, am using a separate fuse block for all my lighting circuits. Total amp capacity on the fuse block...
Forum: Glass Cockpit 04-18-2022, 05:36 PM
Replies: 10
Views: 1,000
Posted By Desert Rat
fyi- After I took the class, I ended up having...

fyi- After I took the class, I ended up having Levi's company fabricate my avionics wire bundle, which I'm just now installing. I found him to be easy to work with and very responsive throughout.
Forum: Electrical Systems 04-18-2022, 04:42 PM
Replies: 5
Views: 606
Posted By Desert Rat
don't know about the 3d box, but it's designed to...

don't know about the 3d box, but it's designed to fit in a box sold by digikey for around $10.
Forum: Glass Cockpit 04-18-2022, 04:21 PM
Replies: 10
Views: 1,000
Posted By Desert Rat
I took this last year. It's definitely worth...

I took this last year. It's definitely worth your time, whether you're wiring your own airplane or not.
Forum: RV-7/7A 04-15-2022, 05:15 PM
Replies: 11
Views: 1,205
Posted By Desert Rat
Yup- but it bears little resemblance to the...

Yup- but it bears little resemblance to the simple nylon T that's depicted on the drawing :)
Forum: RV-7/7A 04-15-2022, 04:42 AM
Replies: 11
Views: 1,205
Posted By Desert Rat
Brake reservoir on RV7 drawing 36, has been superseded

FYI- the nylon tee fitting that screws into the brake reservoir on RV7 drawing 36, has been superseded.

I spent a TON of time scattered out over several days looking for this thing and assuming...
Forum: RV General Discussion/News 04-15-2022, 04:04 AM
Replies: 11
Views: 1,135
Posted By Desert Rat
What engine are you guys getting that it comes in...

What engine are you guys getting that it comes in a crate good enough to keep?

Mine came in a cardboard box full of spray foam, on a pallet that looks like it's molded out of beaver puke.
Forum: Electrical Systems 04-15-2022, 03:57 AM
Replies: 9
Views: 1,579
Posted By Desert Rat
Glad folks got a kick out of this. With regard...

Glad folks got a kick out of this.

With regard to connectors between fuselage wiring and panel wiring, I agree that it would be easier to wring out for potential problems, but in my case, that's...
Forum: RV General Discussion/News 04-14-2022, 03:35 AM
Replies: 11
Views: 1,028
Posted By Desert Rat
Be aware; if you get the Artex, the mounting hole...

Be aware; if you get the Artex, the mounting hole locations on the base plate are different that what's on Vans ELT mount. I had to relocate holes/nutplates which was a real treat with it already in...
Forum: Electrical Systems 04-12-2022, 01:02 PM
Replies: 6
Views: 987
Posted By Desert Rat
Thanks Mike. So everything went down the center...

Thanks Mike. So everything went down the center tunnel?
Forum: RV-8/8A 04-12-2022, 08:40 AM
Replies: 14
Views: 1,270
Posted By Desert Rat
I donít have any experience with the 8, but if...

I donít have any experience with the 8, but if itís similar to the 7 I donít see why you couldnít get that stiffness back by riveting a nice angle along the bottom.

Alternately, I know Walt has...
Forum: Electrical Systems 04-12-2022, 07:23 AM
Replies: 6
Views: 987
Posted By Desert Rat
In preparation for that possibility, I templated...

In preparation for that possibility, I templated and drilled the extra spar holes way back when I was building the cabin center section.

Also, my avionics guy left all the aft wiring unterminated...
Forum: Electrical Systems 04-12-2022, 04:17 AM
Replies: 6
Views: 987
Posted By Desert Rat
Looking for wire routing pictures.

Does anybody have a few pictures of what it looks like to run wiring down the outside corners of the cockpit floor on your way aft?

I'n my mind, I had always planned to run everything down the...
Forum: RV-14 04-11-2022, 05:04 AM
Replies: 37
Views: 3,329
Posted By Desert Rat
B&C makes quality stuff.

B&C makes quality stuff.
Forum: RV Building Tips/Techniques 04-09-2022, 10:11 PM
Replies: 6
Views: 737
Posted By Desert Rat
You should torque them down. The bolt clamps...

You should torque them down. The bolt clamps down on the center sleeve of the bearing and the rest of the bearing rotates around that immobile sleeve. nothing should be rotating on the bolt.

Edit:...
Forum: Reviews 04-09-2022, 06:53 PM
Replies: 3
Views: 669
Posted By Desert Rat
I love light speed. I have two pairs of original...

I love light speed. I have two pairs of original zulus and after about 15 years the pads worn out on both. I wasn't at OshKosh last year but had a buddy swing by their booth too see if he could...
Forum: Primers 04-08-2022, 09:05 PM
Replies: 5
Views: 506
Posted By Desert Rat
try airparts

try airparts
Forum: RV General Discussion/News 04-08-2022, 09:03 PM
Replies: 5
Views: 575
Posted By Desert Rat
I went through the same process. Bought used...

I went through the same process. Bought used wings, Vans transferred the build number over to me via a documented paper trail, all subsequent components bought by me were under that same number. ...
Forum: RV Building Tips/Techniques 04-08-2022, 01:16 PM
Replies: 6
Views: 707
Posted By Desert Rat
I can't say that I'm smart enough to figure out...

I can't say that I'm smart enough to figure out if there's a slip error, but it seems like it would be pretty trivial if so.

However, water in the low spots is a real thing. In an effort to avoid...
Forum: Electrical Systems 04-05-2022, 05:51 PM
Replies: 9
Views: 1,579
Posted By Desert Rat
Innstalled avionics wire bundles- ezee-peezee

Put my main avionics bundle in the plane today. I don't know why people think this is such a big deal. It only took like a minute.

Haven't opps checked it yet though :)
Forum: Electrical Systems 04-05-2022, 08:23 AM
Replies: 2
Views: 447
Posted By Desert Rat
breaker architecture discussion question

I'm going breakers, not fuses or VPX and I'm getting ready to wire my breakers into the panel.

I'm going with multiple short rows right of the MFD, rather than the one row to rule them all along...
Forum: RV General Discussion/News 04-05-2022, 07:07 AM
Replies: 25
Views: 2,560
Posted By Desert Rat
My insulated garage has two double pane windows...

My insulated garage has two double pane windows facing the neighbors house about 20' away. I'm on good terms with them and with the windows closed they tell me they never hear anything.

I forgot...
Forum: RV Building Tips/Techniques 04-04-2022, 08:27 PM
Replies: 14
Views: 1,401
Posted By Desert Rat
I've got a brass drift with a hole drilled in the...

I've got a brass drift with a hole drilled in the end to receive a female dimple die. Also have a junk brass tipped rivet gun set drilled to take the corresponding male die. Works good, but you...
Forum: RV General Discussion/News 04-03-2022, 05:39 PM
Replies: 18
Views: 1,049
Posted By Desert Rat
From the Garmin G3X installation manual, revision...

From the Garmin G3X installation manual, revision AB September 2021. appendix B, "Airframe Specific Installation Guidance."

B.2 Van’sAircraft
B.2.1 RV-7/9
The typical GMU magnetometer mounting...
Forum: RV Building Tips/Techniques 04-03-2022, 07:52 AM
Replies: 9
Views: 1,092
Posted By Desert Rat
I don't really care much about the other exposed...

I don't really care much about the other exposed studs because they aren't hot with the master off. Both ends of this cable are always ready to bite as long as they are hooked up, and it's the only...
Forum: RV General Discussion/News 04-03-2022, 07:26 AM
Replies: 18
Views: 1,049
Posted By Desert Rat
Thanks for the warning. I understand what you're...

Thanks for the warning. I understand what you're saying, but here's my reality.

If you go with a full up fire breathing IFR system on something as small as an RV7, it's physically impossible to...
Forum: RV General Discussion/News 04-03-2022, 07:17 AM
Replies: 18
Views: 1,049
Posted By Desert Rat
that's really interesting, because Garmin...

that's really interesting, because Garmin specifically recommends this location for the GMU11. It's in the installation manual.

FYI- I don't recall there being any steel back there? If you build...
Forum: RV Building Tips/Techniques 04-02-2022, 11:49 AM
Replies: 9
Views: 1,092
Posted By Desert Rat
Agree on all counts!

Agree on all counts!
Forum: RV Building Tips/Techniques 04-02-2022, 06:01 AM
Replies: 9
Views: 1,092
Posted By Desert Rat
Insulating boot from batt positive to master contactor

On the RV7, the battery positive cable to master contactor has a 90* bend in the terminal lug to make it fit the contactor post. Standard terminal boots are designed for a straight terminal i.e....
Forum: RV General Discussion/News 03-31-2022, 04:35 PM
Replies: 18
Views: 1,049
Posted By Desert Rat
If nobody else speaks up, please let us know if...

If nobody else speaks up, please let us know if you find out before I do :)

For the antenna mount I just bent up a piece of .032 into a channel and pop riveted it across the big hole in the F-709...
Forum: RV General Discussion/News 03-31-2022, 03:33 PM
Replies: 18
Views: 1,049
Posted By Desert Rat
elt antenna and magnetometer both in empennage fairing?

Garmin recommends locating the GMU11 on the aft deck just forward of the h/s.

Also, lots of people mount the ELT antenna back there, but has anybody done both or does having the ELT in that...
Forum: RV Building Tips/Techniques 03-29-2022, 07:00 PM
Replies: 11
Views: 907
Posted By Desert Rat
Thanks guys- What I ended up doing is measuring...

Thanks guys- What I ended up doing is measuring the height of the lower cowl half. It's exactly 17 1/2" tall as it comes from Vans.

Measuring the firewall, that puts the upper edge of the cowl...
Forum: RV Building Tips/Techniques 03-29-2022, 06:49 PM
Replies: 24
Views: 3,272
Posted By Desert Rat
Industry standard is typically that you can...

Industry standard is typically that you can burnish out up to 10% of the skin thickness, with all kinds of caveats and exceptions.

Hard to tell from a picture, but that looks like it's at least 1/2...
Forum: RV Building Tips/Techniques 03-29-2022, 07:55 AM
Replies: 11
Views: 907
Posted By Desert Rat
Piano hinge height for vertical cowl line

Hey all.

Does anybody know where the upper end of the piano hinge should lie on the firewall flange for the lower cowl half?

Looking at drawing 28 the rivet callout leads me to believe it should...
Forum: RV-6/6A 03-28-2022, 07:19 PM
Replies: 8
Views: 843
Posted By Desert Rat
There is a spec in the FARs for normally...

There is a spec in the FARs for normally certificated airplanes that prop clearance needs to be certain minimum distance from the ground.

Without looking it up, I believe it's in FAR23 and the...
Forum: Electrical Systems 03-26-2022, 09:09 PM
Replies: 5
Views: 983
Posted By Desert Rat
Ugh. Thats what it is. The ring terminals are...

Ugh. Thats what it is. The ring terminals are on backwards with respect to each other depending on whether the heat shrink is blue or yellow.
Forum: Electrical Systems 03-25-2022, 06:52 AM
Replies: 5
Views: 983
Posted By Desert Rat
Which diode for master contactor?

Is there any difference in the two contactor diodes?

Vans shows the blue one for the start relay and the yellow one for the master relay, so presumably they have some differentiator or they wouldnít...
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