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Search: Posts Made By: DanH
Forum: Safety Today, 10:28 AM
Replies: 158
Views: 13,860
Posted By DanH
Separate post, as it's not directly aimed at the...

Separate post, as it's not directly aimed at the RV community. However, it would improve things for the RV community and all similar aircraft.

We talk about maximizing use of the available...
Forum: RV-10 Today, 09:31 AM
Replies: 6
Views: 156
Posted By DanH
The install manual for the GDL-82 WAAS antenna...

The install manual for the GDL-82 WAAS antenna says 9" is the minimum to any other passive (GPS or XM) antenna.
Forum: Safety Today, 09:08 AM
Replies: 158
Views: 13,860
Posted By DanH
Vic, perhaps you could start that thread and...

Vic, perhaps you could start that thread and offer some examples.

In the meantime, it's not reasonable to complain without also offering solutions, which is the basic premise of this thread. I'll...
Forum: Safety Yesterday, 12:17 PM
Replies: 158
Views: 13,860
Posted By DanH
Vic, that is the can kick. It just moves the...

Vic, that is the can kick. It just moves the gatekeeper from Fisk to Waupon. And just like at Fisk, the Waupon controller can't make pilots go to an alternate and park. Human nature says they will...
Forum: RV General Discussion/News Yesterday, 06:30 AM
Replies: 23
Views: 1,966
Posted By DanH
From the original post: So did installing the...

From the original post:



So did installing the new plug on the end of the wiring harness fix the problem?
Forum: Fuel Injection Systems Yesterday, 06:13 AM
Replies: 7
Views: 788
Posted By DanH
When will the System 32 installation and...

When will the System 32 installation and operating manual be available for download?
Forum: RV General Discussion/News 11-17-2018, 07:53 PM
Replies: 49
Views: 10,526
Posted By DanH
Or it could be as simple as a bird strike...

Or it could be as simple as a bird strike penetrating the canopy, with pilot incapacitation, followed by an overspeed event.
Forum: Safety 11-16-2018, 04:57 PM
Replies: 158
Views: 13,860
Posted By DanH
https://www.eaa.org/eaa/news-and-publications/eaa-...

https://www.eaa.org/eaa/news-and-publications/eaa-news-and-aviation-news/news/-/media/EE32D7082D3746E9BE714515E8CA6A2E.ashx

Note "Bailout Route", and "Rejoin Route" (in orange, between FLD and...
Forum: Safety 11-16-2018, 11:05 AM
Replies: 158
Views: 13,860
Posted By DanH
No. It ignores human nature, a force more...

No. It ignores human nature, a force more powerful than any notam.

Assume a field closure for whatever reason. A bunch of airplanes get sent to FLD. You can't require a landing at FLD. Many will...
Forum: Safety 11-16-2018, 08:50 AM
Replies: 158
Views: 13,860
Posted By DanH
Vic, you and I sat along Runway 36 Sunday...

Vic, you and I sat along Runway 36 Sunday afternoon, watching and wondering about the slow arrival pace. Sure, Saturday PM and Sunday AM weather pushed more folks into the Sunday PM frame, but what...
Forum: Safety 11-16-2018, 07:07 AM
Replies: 158
Views: 13,860
Posted By DanH
In other words, an initial assembly point further...

In other words, an initial assembly point further out than Ripon, the current initial. The predictable result will be even more pilots cutting into the line between the initial point and Fisk. ...
Forum: RV General Discussion/News 11-14-2018, 06:21 PM
Replies: 14
Views: 1,083
Posted By DanH
West 206 is slow. 205 is fast. I recommended the...

West 206 is slow. 205 is fast. I recommended the 206 slow hardener to give a new builder more time for wet out, without exotherming in the cup.

https://www.westsystem.com/hardener-selection-guide/
Forum: RV General Discussion/News 11-14-2018, 10:57 AM
Replies: 18
Views: 1,041
Posted By DanH
Boiling point is the temperature at which vapor...

Boiling point is the temperature at which vapor pressure exceeds local pressure.

Here you're asking for local pressure, so you need to know vapor pressure of the fuel at a particular...
Forum: Traditional Aircraft Engines 11-14-2018, 10:18 AM
Replies: 9
Views: 842
Posted By DanH
I think Hartzell restricts the combination: "Do...

I think Hartzell restricts the combination:

"Do not operate above 22 manifold pressure below 2350 RPM".
Forum: RV General Discussion/News 11-14-2018, 10:01 AM
Replies: 14
Views: 1,083
Posted By DanH
No problem here. You and Clive are both pros. ...

No problem here. You and Clive are both pros. 7725 is a standard with sensible properties for this repair.

Minor debate point; 7781's seven-over, one-under weave means the fibers can slide...
Forum: Alternative Engines 11-14-2018, 08:00 AM
Replies: 20
Views: 6,551
Posted By DanH
I traded a few emails with a Deltahawk media...

I traded a few emails with a Deltahawk media representative before OSH. At that time there were no plans to sell to the EAB market, which is why it's not in the next Kitplanes Engine Buyers Guide. ...
Forum: Fiberglass 11-14-2018, 07:09 AM
Replies: 4
Views: 1,009
Posted By DanH
Added a lost illustration to the...

Added a lost illustration to the above.

Regarding flanges and Skybolts, you may find this one helpful:

http://www.vansairforce.com/community/showthread.php?t=124261
Forum: RV General Discussion/News 11-13-2018, 09:57 AM
Replies: 14
Views: 897
Posted By DanH
Do you need a flat black hood on your car?

Do you need a flat black hood on your car?
Forum: RV General Discussion/News 11-13-2018, 07:46 AM
Replies: 14
Views: 1,083
Posted By DanH
You have a busted seam, so it will need more than...

You have a busted seam, so it will need more than just filler.

Wingtip and wheelpant repairs are pretty much the same. Here are how scarf joints are laid, with excellent sanding pictures from Doug,...
Forum: RV General Discussion/News 11-13-2018, 07:08 AM
Replies: 21
Views: 1,345
Posted By DanH
If you really, really want clean edges, remove...

If you really, really want clean edges, remove the panel to the drill press. Fasten a backup sheet to it (clecos or screws) with the necessary pilot hole for a fly cutter in the center of the...
Forum: RV General Discussion/News 11-10-2018, 09:35 AM
Replies: 13
Views: 1,031
Posted By DanH
Not critical. What is in the scrap bin? I've...

Not critical. What is in the scrap bin? I've been using material around 0.050 (an old guy can TIG it on a shaky day), but 0.025 is just as fireproof.
Forum: RV General Discussion/News 11-09-2018, 06:22 PM
Replies: 13
Views: 1,031
Posted By DanH
Just a base plate with a tube welded to it.

Just a base plate with a tube welded to it.
Forum: Traditional Aircraft Engines 11-09-2018, 04:40 PM
Replies: 27
Views: 3,971
Posted By DanH
I am sure they do, but I'll be danged if I know...

I am sure they do, but I'll be danged if I know how to tell you what the part number might be.
Forum: Traditional Aircraft Engines 11-09-2018, 04:00 PM
Replies: 27
Views: 3,971
Posted By DanH
Quick follow up... The gel-filled inserts...

Quick follow up...

The gel-filled inserts probably failed due to overload, a case of excessive deflection of the mounts due to load and age. Sag in shear allows the middle of the gel bag to get...
Forum: RV General Discussion/News 11-09-2018, 02:37 PM
Replies: 13
Views: 1,031
Posted By DanH
A fella can weld up a tubular steel pass through...

A fella can weld up a tubular steel pass through for about fifty cents. Point it at any angle you wish.

http://www.vansairforce.com/community/showthread.php?t=72087

See post #38, 40, and 42.
Forum: RV-14 11-09-2018, 07:41 AM
Replies: 5
Views: 1,548
Posted By DanH
May I add a note here? A tubular steel firewall...

May I add a note here?

A tubular steel firewall pass-through filled with an intumescent sealant is very fire resistant. The sealant will also do a pretty good job of locking the components (wires,...
Forum: ADS-B 11-08-2018, 02:11 PM
Replies: 10
Views: 883
Posted By DanH
Ya'll please tell me about shadowing errors and...

Ya'll please tell me about shadowing errors and antenna proximity.

Shadowing is a line of sight issue, i.e. antenna can't see enough satellites? Or are we talking about the effect of another...
Forum: RV General Discussion/News 11-07-2018, 04:47 PM
Replies: 10
Views: 641
Posted By DanH
Yeah. Stop overloading. Simply learn as you...

Yeah. Stop overloading. Simply learn as you go.

Seriously, research the fine points when it is time tackle a particular part of the project. Do it now and you won't remember half of it, plus some...
Forum: RV-14 11-07-2018, 02:00 PM
Replies: 25
Views: 1,806
Posted By DanH
Yeah, that's a Superior-only crank, currently out...

Yeah, that's a Superior-only crank, currently out of production. It was used in the 382 and 400.

I doubt additional stroke changes the CHT vs advance relationship in any meaningful way.
Forum: RV-14 11-07-2018, 08:57 AM
Replies: 25
Views: 1,806
Posted By DanH
Don't know about a sweet spot, but FWIW, the 390...

Don't know about a sweet spot, but FWIW, the 390 has the same stroke as the 360.

Care to quantify "very little change"? Last check I made said running 20~30 LOP results in approximately 1.6 degrees...
Forum: RV-14 11-06-2018, 10:42 PM
Replies: 25
Views: 1,806
Posted By DanH
Marvin was the only respondent to note ignition...

Marvin was the only respondent to note ignition timing, a very significant CHT factor.
Forum: Fuel Injection Systems 11-06-2018, 04:56 PM
Replies: 12
Views: 2,703
Posted By DanH
Carlos, can you show us the rest of the picture? ...

Carlos, can you show us the rest of the picture? How is the red cube connected to the servo?
Forum: Traditional Aircraft Engines 11-06-2018, 08:19 AM
Replies: 27
Views: 3,971
Posted By DanH
The gel "footballs" appear to be viscous dampers,...

The gel "footballs" appear to be viscous dampers, without any load capacity of their own. As such they would limit startup engine shake, largely a torsional reaction around the crank which displaces...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-05-2018, 07:59 AM
Replies: 3
Views: 244
Posted By DanH
Be sure to get the updated panel dock with a...

Be sure to get the updated panel dock with a clearance slot in the left side to clear the right-angle mini USB connector. The early no-slot dock tends to knock the USB socket off the board, which...
Forum: Traditional Aircraft Engines 11-05-2018, 06:58 AM
Replies: 27
Views: 8,553
Posted By DanH
1-1/4" Yes, they're made by Rosta Vernatherm. ...

1-1/4"

Yes, they're made by Rosta Vernatherm. The magic is in the core:

https://www.vernatherm.com/thermal_actuators.html
Forum: Propellers 11-05-2018, 06:41 AM
Replies: 17
Views: 789
Posted By DanH
Screws in the front bulkhead are not an absolute...

Screws in the front bulkhead are not an absolute requirement. However, without screws, zero clearance between the bulkhead flange and the inside of the spinner is a must.

The problem seems to take...
Forum: Traditional Aircraft Engines 11-04-2018, 09:53 PM
Replies: 27
Views: 3,971
Posted By DanH
Failed Mount Isolators

Engine seemed a bit shaky recently, so today the cowl came off for a look. Problem wasn't hard to find:

https://www.danhorton.net/VAF/Failed%20Mount%20Isolators/Slime1.jpg

The liquid was...
Forum: RV-14 11-02-2018, 09:30 PM
Replies: 20
Views: 2,143
Posted By DanH
The IO-390/Hartzell BA test mule was Marc Cook's...

The IO-390/Hartzell BA test mule was Marc Cook's Sportsman. See the November 2006 issue of Kitplanes for the article titled "Good Vibrations, Bad Vibrations". Subscribers can download it at...
Forum: RV-14 11-02-2018, 05:48 PM
Replies: 20
Views: 2,143
Posted By DanH
They most definitely mean p-mags.

They most definitely mean p-mags.
Forum: RV-14 11-02-2018, 04:56 PM
Replies: 20
Views: 2,143
Posted By DanH
There is no FAA issue.

There is no FAA issue.
Forum: Traditional Aircraft Engines 11-02-2018, 11:08 AM
Replies: 8
Views: 951
Posted By DanH
You want Nigel's article written for Kitplanes,...

You want Nigel's article written for Kitplanes, May 2017 issue. His is a parallel valve. Angle valve heads seem to require less advance.
Forum: Traditional Aircraft Engines 11-02-2018, 09:38 AM
Replies: 8
Views: 951
Posted By DanH
BMEP is a theoretical yardstick derived from...

BMEP is a theoretical yardstick derived from torque and displacement. The unit happens to be pressure, but it tells nothing about the location of peak pressure or pressure later in the stroke. A...
Forum: RV General Discussion/News 11-02-2018, 08:30 AM
Replies: 8
Views: 1,112
Posted By DanH
The specific reason for using straight mineral...

The specific reason for using straight mineral oil is the lack of additives which may or may not be good for you. Not sayin' you should not use any particular product, but if you're smelling much...
Forum: Alternative Engines 11-02-2018, 08:21 AM
Replies: 5
Views: 750
Posted By DanH
The avgas engine components are still available,...

The avgas engine components are still available, via complete engines delivered from a shop in the UK. There is no US-based shop assembling them right now. A year ago Andrew was actively looking...
Forum: RV General Discussion/News 11-01-2018, 10:06 AM
Replies: 9
Views: 840
Posted By DanH
Yeah, that happens when a builder thins epoxy...

Yeah, that happens when a builder thins epoxy with a solvent. Thinning epoxy is A Bad Idea, but still recommended here and there.



I'm not discounting it Larry. As noted, it's exactly what I do...
Forum: RV-14 11-01-2018, 09:23 AM
Replies: 7
Views: 612
Posted By DanH
That would be the guy who thought the paint shop...

That would be the guy who thought the paint shop would take care of it. ;)
Forum: RV General Discussion/News 11-01-2018, 09:14 AM
Replies: 9
Views: 840
Posted By DanH
The result of experience. In forty years the EZ...

The result of experience. In forty years the EZ community has already tried every shortcut and filler imaginable.

The SPI recommendation Larry outlined is the same as that offered by a PPG rep...
Forum: RV General Discussion/News 10-31-2018, 06:16 PM
Replies: 8
Views: 1,112
Posted By DanH
Skip shipping and order from your local oil...

Skip shipping and order from your local oil distributor. "Smoke oil", despite all the claims, is generally any light paraffinic mineral oil with no additives. The old standards were Texaco Canopus...
Forum: RV General Discussion/News 10-30-2018, 02:08 PM
Replies: 9
Views: 1,070
Posted By DanH
Good thinkin' Bill. One tweak...instead of...

Good thinkin' Bill.

One tweak...instead of tape, fixate the strips back in place using some scrap aluminum and clecos. It's easy to fill the cleco holes later, and the aluminum can be bent and...
Forum: Electrical Systems 10-30-2018, 10:31 AM
Replies: 19
Views: 1,402
Posted By DanH
That's smart Joe. The act of re-drawing anyone's...

That's smart Joe. The act of re-drawing anyone's proposed system promotes real understanding. I've found re-drawing and organizing and generally cleaning up my own drawings is a worthwhile thought...
Forum: RV General Discussion/News 10-30-2018, 08:21 AM
Replies: 28
Views: 7,385
Posted By DanH
Done, post #7. Comrade Vlad and friends took the...

Done, post #7.

Comrade Vlad and friends took the concept and did a great job adapting it his RV9, complete with tiedown mount point, electric release, and a few nice design tweaks. I'll leave the...
Forum: Primers 10-29-2018, 07:23 AM
Replies: 15
Views: 12,313
Posted By DanH
Sailplanes commonly need refinishing because ...

Sailplanes commonly need refinishing because their polyester finishes shrink, crack, craze, and blister. There are even AD's prohibiting some polyesters.

The glider community puts up with that...
Forum: Primers 10-28-2018, 10:28 PM
Replies: 15
Views: 12,313
Posted By DanH
Why was this product recommended?

Why was this product recommended?
Forum: RV General Discussion/News 10-28-2018, 11:42 AM
Replies: 23
Views: 1,069
Posted By DanH
What is an "alternator short alarm? What exactly...

What is an "alternator short alarm? What exactly is your VPX trying to tell you?
Forum: Electrical Systems 10-28-2018, 09:14 AM
Replies: 19
Views: 1,402
Posted By DanH
Carl, you say that every time someone asks about...

Carl, you say that every time someone asks about electrical systems. If you believe it to be as good as something from Nuckolls or Ausman, post it here for peer review.
Forum: RV General Discussion/News 10-28-2018, 08:48 AM
Replies: 14
Views: 1,303
Posted By DanH
I spoke with the XM rep at AOPA Gulf Shores...

I spoke with the XM rep at AOPA Gulf Shores yesterday, and he suggested exactly that.



Pretty sure the aviation side is a separate division.

FWIW, I've been a weather subscriber eight years...
Forum: RV General Discussion/News 10-26-2018, 12:42 PM
Replies: 14
Views: 1,303
Posted By DanH
Call 800-384-6500

Call 800-384-6500
Forum: RV General Discussion/News 10-26-2018, 11:31 AM
Replies: 14
Views: 1,303
Posted By DanH
Still $29.95 p/mo for Aviator LT. Am I missing...

Still $29.95 p/mo for Aviator LT. Am I missing something?
Forum: RV Building Tips/Techniques 10-26-2018, 08:03 AM
Replies: 24
Views: 1,016
Posted By DanH
http://www.vansairforce.com/community/showpost.php...

http://www.vansairforce.com/community/showpost.php?p=971560&postcount=2

http://www.vansairforce.com/community/showpost.php?p=984819&postcount=12
Forum: RV Building Tips/Techniques 10-25-2018, 05:00 PM
Replies: 24
Views: 1,016
Posted By DanH
Take a really close look. Any actual cracks in...

Take a really close look. Any actual cracks in the surface? If not, you're probably looking at the mirror image of surface defects (gelcoat cracks) in the mold.

Adding...
Forum: RV-8/8A 10-25-2018, 08:39 AM
Replies: 49
Views: 4,819
Posted By DanH
Yes. Oval swage sleeves are not...

Yes. Oval swage sleeves are not difficult.

Maybe more than you want to know...

https://www.danhorton.net/VAF/Chains%20or%20RV%20Rocket%20Steering%20Link/1213_BigSqueeze_r2.pdf
Forum: Fuel Injection Systems 10-25-2018, 08:05 AM
Replies: 95
Views: 26,111
Posted By DanH
Naaa. 200F or less in that location. Mags and...

Naaa. 200F or less in that location. Mags and similar gear bolted directly to the hot engine only max around 220.



In the context of your question, it doesn't matter what kind of injection or...
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