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 500
Search took 0.04 seconds.
Search: Posts Made By: Carl Froehlich
Forum: Electrical Systems Today, 01:30 PM
Replies: 7
Views: 162
Posted By Carl Froehlich
Some thoughts: - Jumper around that horrible 1965...

Some thoughts:
- Jumper around that horrible 1965 diode block and see if the problem is resolved. Side note - if you are using diodes in your power design always use Schottky diodes.
- Use a...
Forum: Glass Cockpit Today, 11:31 AM
Replies: 11
Views: 471
Posted By Carl Froehlich
I pick the AV-30 over the G5. More bang for the...

I pick the AV-30 over the G5. More bang for the buck.

Carl
Forum: Electrical Systems Yesterday, 02:48 PM
Replies: 27
Views: 1,768
Posted By Carl Froehlich
I suggest 30 minutes of reserve power fall very...

I suggest 30 minutes of reserve power fall very short of the mark. I design for no less than two hours of full IFR panel (note - that is with non panel loads isolated).

Carl
Forum: Electrical Systems 10-22-2021, 08:31 PM
Replies: 15
Views: 1,143
Posted By Carl Froehlich
Take your alternator to a shop for repair, or...

Take your alternator to a shop for repair, or just replace it before you do your next engine start.

15.5 VDC buss will degrade your battery in short order. I also suspect you have stuff in your...
Forum: Autopilots 10-22-2021, 08:26 PM
Replies: 9
Views: 1,063
Posted By Carl Froehlich
Short answer - no. The SkyView integrated...

Short answer - no.

The SkyView integrated autopilot module does all the trim functions, including switching and auto trim when the autopilot is engaged. Using the VPX pro for this degrades the...
Forum: Electrical Systems 10-22-2021, 08:18 PM
Replies: 15
Views: 1,143
Posted By Carl Froehlich
Your voltage regulator is failing. If you have...

Your voltage regulator is failing. If you have the standard Vanís Firewall Forward Plane Power alternator, it has an internal regulator. These can be repaired if you know what you are doing.

Carl
Forum: GPS 10-22-2021, 04:29 PM
Replies: 7
Views: 325
Posted By Carl Froehlich
Check the standard issues: - Inserted fully into...

Check the standard issues:
- Inserted fully into the tray
- Check for a loose power lead on the associated breaker (this got me once) - if good try a different breaker.

Carl
Forum: RV General Discussion/News 10-21-2021, 01:49 PM
Replies: 46
Views: 3,293
Posted By Carl Froehlich
I suggest you make the simple, but very accurate...

I suggest you make the simple, but very accurate manometer and verify if your airspeed instrument is working properly or not.

If you cannot find the speed template on line, PM your email to me and...
Forum: RV Building Tips/Techniques 10-19-2021, 09:54 AM
Replies: 6
Views: 612
Posted By Carl Froehlich
For wing runs I use: - The existing 5/8Ē rib...

For wing runs I use:
- The existing 5/8Ē rib holes for the right wing and the part of the left wing outboard the pitot tube. I use standard plastic cold water pipe for the conduit.
- For the left...
Forum: RV General Discussion/News 10-18-2021, 02:08 PM
Replies: 44
Views: 2,187
Posted By Carl Froehlich
Corrosion X is for those airplanes not properly...

Corrosion X is for those airplanes not properly primed - and a very poor substitute at that.

Even in winter as you fabricate and fit parts, you can just put them aside waiting for a good prime day...
Forum: RV-14 10-17-2021, 09:29 AM
Replies: 6
Views: 383
Posted By Carl Froehlich
Watch your EGTs on the mag check. Turning one...

Watch your EGTs on the mag check. Turning one off you will see a slight rise in EGTs.

There is usually an RPM drop as well, but it tends to be much smaller than with standard mags.

To verify, did...
Forum: Propellers 10-16-2021, 04:49 PM
Replies: 12
Views: 807
Posted By Carl Froehlich
Yep - any engine speed. I saw this on an RVs...

Yep - any engine speed. I saw this on an RVs first engine start. Ran for just a few minutes and the fillers were noticeably bent out.

Carl
Forum: Propellers 10-16-2021, 02:52 PM
Replies: 12
Views: 807
Posted By Carl Froehlich
If you have a behind the prop blade filler...

If you have a behind the prop blade filler attached to the rear bulkhead that has a forward support screw that goes into the spinner (like some FP props), then donít. With the spinner off this...
Forum: RV-8/8A 10-16-2021, 08:55 AM
Replies: 7
Views: 648
Posted By Carl Froehlich
Just be cautious on how you make it. Very easy...

Just be cautious on how you make it. Very easy for hardware and such to get sucked into the engine, and vibration of hardware on fiberglass tends to loosen bits.

I recommend staying with the...
Forum: RV-10 10-15-2021, 04:17 PM
Replies: 8
Views: 771
Posted By Carl Froehlich
The cabin top requires a lot of body work (micro,...

The cabin top requires a lot of body work (micro, sand, repeat). Might as well get a start on it now so that you can at least put a coat of primer on it before you expose it to the elements.

Same...
Forum: RV-7/7A 10-13-2021, 04:57 PM
Replies: 31
Views: 2,642
Posted By Carl Froehlich
Yep - you have to creep up when trimming. ...

Yep - you have to creep up when trimming.

After you add glass on the sides, I recommend stopping and installing the prop with spinner back plate before proceeding (as in doing any further...
Forum: Glass Cockpit 10-13-2021, 02:58 PM
Replies: 14
Views: 691
Posted By Carl Froehlich
Nope, ILS frequency is about the same as VOR. ...

Nope, ILS frequency is about the same as VOR. Glide Slope frequency is three times the VOR frequency. All such quarter and half wavelength antennas work just fine at three times itís base...
Forum: RV-7/7A 10-11-2021, 01:09 PM
Replies: 40
Views: 2,408
Posted By Carl Froehlich
I suspect this 3.5amps in holding current. Surge...

I suspect this 3.5amps in holding current. Surge latch current might be a lot higher.

The standard switch (not top hat) on an Infinity Grip is rated at 6 amps. I would not use that as a a basis to...
Forum: Traditional Aircraft Engines 10-10-2021, 01:00 PM
Replies: 4
Views: 674
Posted By Carl Froehlich
Yes - you can do this assuming you have the jugs...

Yes - you can do this assuming you have the jugs that each have a threaded port for the injector. Look at anyones IO engine to see what I mean.

Here is a quick list off the top of my head of things...
Forum: RV-7/7A 10-10-2021, 08:01 AM
Replies: 40
Views: 2,408
Posted By Carl Froehlich
The short answer - donít do this. I put the...

The short answer - donít do this.

I put the start button on the Infinity Grip on my first RV (adding the in line relay as the starter solenoid draws too much current for the stick button). During...
Forum: RV General Discussion/News 10-09-2021, 06:00 PM
Replies: 14
Views: 811
Posted By Carl Froehlich
Get the right crimper from Stein - easy...

Get the right crimper from Stein - easy peasy.

Carl
Forum: COMM 10-09-2021, 02:43 PM
Replies: 12
Views: 739
Posted By Carl Froehlich
Walt, Not the first time we find ourselves on...

Walt,

Not the first time we find ourselves on different pages, on the same issue.

While your reference is exactly correct, it does not reflect reality for our applications and should be viewed as...
Forum: COMM 10-09-2021, 12:26 PM
Replies: 12
Views: 739
Posted By Carl Froehlich
Prime the inside, both the skin and both sides of...

Prime the inside, both the skin and both sides of the doubler plate. I rivet the doubler plate to the inside of the skin. Mount the antenna to the outside skin without further priming - assuming...
Forum: RV General Discussion/News 10-09-2021, 09:20 AM
Replies: 9
Views: 784
Posted By Carl Froehlich
Iíd vote no. Just add the fifth point and fly...

Iíd vote no. Just add the fifth point and fly on.

I even did Hooker five points in the RV-10 and glad I did.

Carl
Forum: RV-8/8A 10-08-2021, 09:00 AM
Replies: 5
Views: 484
Posted By Carl Froehlich
Bill, You are thinking along the right...

Bill,

You are thinking along the right lines.

PM me your email address and Iíll go over how I do this, while maintains the design goal of the panel being easily removed as an assembly in just a few...
Forum: Electrical Systems 10-08-2021, 08:52 AM
Replies: 28
Views: 2,142
Posted By Carl Froehlich
I suggest that any real 20 amp or so standby...

I suggest that any real 20 amp or so standby alternator will run everything in your plane. For example, with pitot heat off the total load in my plane (full IFR planned wiht dual SkyView EFIS and...
Forum: RV-10 10-05-2021, 08:27 AM
Replies: 6
Views: 681
Posted By Carl Froehlich
Get the GAMI spread right (not hard to get to 0.0...

Get the GAMI spread right (not hard to get to 0.0 - 0.1 GPH). After that, look for what is causing your out of line high CHT on #6. Some thoughts:
- As was posted, do the washer spacer on the #6...
Forum: RV General Discussion/News 10-04-2021, 08:32 AM
Replies: 3
Views: 378
Posted By Carl Froehlich
Figure out if you have the old version or the new...

Figure out if you have the old version or the new one. If you have the old one call Dynon to see if they will exchange it.
https://dynonavionics.com/bulletins/support_bulletin_101014.php

Carl
Forum: Electrical Systems 10-04-2021, 07:05 AM
Replies: 4
Views: 268
Posted By Carl Froehlich
I never had a Tyco breaker fail (three RVs over...

I never had a Tyco breaker fail (three RVs over 20 years), but did have this exact same issue on a GTN-650 install. The problem was a loose connection on the breaker terminal.

BTW - I vote for the...
Forum: COMM 10-04-2021, 07:00 AM
Replies: 0
Views: 171
Posted By Carl Froehlich
Trig TX-56A Nav/Comm

Anyone know when this will be released?

Combining this with a Garmin GNC-355 would be a much better install (and cheaper) than using the clunky GTN-650 and another radio for comm #2.

Carl
Forum: RV Ongoing Maintenance Issues 10-03-2021, 02:52 PM
Replies: 7
Views: 931
Posted By Carl Froehlich
But what did buss voltage do? Did it go way...

But what did buss voltage do? Did it go way high?

Carl
Forum: Safety 10-03-2021, 02:50 PM
Replies: 7
Views: 565
Posted By Carl Froehlich
Yep - exactly correct. I mount the GPS navigator...

Yep - exactly correct.

I mount the GPS navigator as high as possible. The audio panel is at the bottom as it rarely gets touched. Each EFIS screen also as high as possible, one on each side of the...
Forum: RV-14 10-03-2021, 12:28 PM
Replies: 3
Views: 467
Posted By Carl Froehlich
So you created a loop to go out and back it just...

So you created a loop to go out and back it just to use a mounted molex? Perhaps this is one example of forcing things to work when using the Vanís wire harness.

A four #22 conductor shielded wire...
Forum: Glass Cockpit 10-02-2021, 07:04 AM
Replies: 13
Views: 1,263
Posted By Carl Froehlich
You need to go find your static leak. Start off...

You need to go find your static leak. Start off with a simple static test rig (made from HF parts):
https://i.postimg.cc/m2rnVNLH/127-F1-F53-0-C7-D-4677-BBF5-027-F788-E7-DCE.jpg
There are a lot of...
Forum: Electrical Systems 10-01-2021, 12:21 PM
Replies: 17
Views: 2,143
Posted By Carl Froehlich
Wow - $1700 for a simple crimp tool. I used the...

Wow - $1700 for a simple crimp tool.

I used the nice Stein crimpers (terminal head and BNC connector head) for over six panel builds and never had a connection fail. I do not however use the cheap...
Forum: Glass Cockpit 10-01-2021, 11:19 AM
Replies: 2
Views: 253
Posted By Carl Froehlich
This is not possible without a major wiring...

This is not possible without a major wiring mistake in your power distribution.

With the little bit of information you provided, Iíd guess you have a common fuse feeding your Nav/Strobe and EFIS. I...
Forum: RV Ongoing Maintenance Issues 09-30-2021, 05:50 PM
Replies: 3
Views: 467
Posted By Carl Froehlich
Bad ground on the sender, or (considering it was...

Bad ground on the sender, or (considering it was previously working just fine) more likely your sender has gone south.

Replace.

Carl
Forum: RV-10 09-30-2021, 02:07 PM
Replies: 24
Views: 2,182
Posted By Carl Froehlich
Happened to me once early on with the RV-10. I...

Happened to me once early on with the RV-10. I found the right tire brake dragging, caused by the brake piston O ring being rolled. New O ring and new tires solved the problem.

Side note: I now...
Forum: RV-14 09-29-2021, 04:19 PM
Replies: 5
Views: 781
Posted By Carl Froehlich
No, but Vanís will sell them to you. Carl

No, but Vanís will sell them to you.

Carl
Forum: RV-10 09-28-2021, 04:28 PM
Replies: 5
Views: 464
Posted By Carl Froehlich
Thanks all for the response. Iím going through...

Thanks all for the response.

Iím going through the RV-10 finish kit parts list to delete all the stuff I donís want. Iíll add the standard brake and wheel assembly to the list (that is getting...
Forum: Electrical Systems 09-28-2021, 03:50 PM
Replies: 1
Views: 244
Posted By Carl Froehlich
I would be very surprised if you did not have a...

I would be very surprised if you did not have a trim breaker or fuse.

There are also several options on the market to limit trim travel, such as the Safety Trim product, or for me the Dynon...
Forum: Glass Cockpit 09-28-2021, 03:46 PM
Replies: 6
Views: 770
Posted By Carl Froehlich
Consider the AV-30 instead of the G5. A lot more...

Consider the AV-30 instead of the G5. A lot more bang for the buck.

Carl
Forum: RV-10 09-28-2021, 02:07 PM
Replies: 5
Views: 464
Posted By Carl Froehlich
Matco wheels and brakes

I'd appreciate any reports from those using the Matco wheel and brake assembly: http://www.matcomfg.com/WHLBRKWI600RV10CONFIG-idv-3814-4.html

Thanks,
Carl
Forum: RV General Discussion/News 09-28-2021, 11:47 AM
Replies: 2
Views: 517
Posted By Carl Froehlich
Did this on an RV-8A. Recommend not replacing as...

Did this on an RV-8A. Recommend not replacing as it will mess up the fuselage paint. So two options:
- Order the side wing parts from Vanís to overlay the existing side panels, or;
- Use a couple...
Forum: Fiberglass 09-28-2021, 09:23 AM
Replies: 5
Views: 553
Posted By Carl Froehlich
Tony, PM sent. Carl

Tony,

PM sent.

Carl
Forum: RV Building Tips/Techniques 09-26-2021, 01:14 PM
Replies: 2
Views: 372
Posted By Carl Froehlich
I've done this on all three RV. There is no gain...

I've done this on all three RV. There is no gain other than cosmetic. For me it changes the look from "in progress" to "done".

I do leave a drain hole on the aft corner on each surface. All...
Forum: RV-10 09-26-2021, 01:00 PM
Replies: 6
Views: 778
Posted By Carl Froehlich
If memory serves, to get that panel out you...

If memory serves, to get that panel out you remove the screws, lift it up, then angle out the bottom.

Carl
Forum: Traditional Aircraft Engines 09-26-2021, 09:50 AM
Replies: 9
Views: 669
Posted By Carl Froehlich
Assuming you set your idle mixture correctly (I...

Assuming you set your idle mixture correctly (I find most new engines are way rich) then I suggest you look for an air leak.

I experienced the same condition way back in my learning days. The...
Forum: Engine Monitors 09-23-2021, 10:32 AM
Replies: 3
Views: 358
Posted By Carl Froehlich
But, you should be able to use the GRT probes and...

But, you should be able to use the GRT probes and Fuel Flow sender with the Dynon EMS module.

Carl
Forum: Safety 09-22-2021, 01:00 PM
Replies: 36
Views: 2,418
Posted By Carl Froehlich
Progressive glasses. Once you use them for a few...

Progressive glasses. Once you use them for a few days you will find everything in focus - without realizing you are doing it.

The only issue is when you try to look at something up close and high...
Forum: RV-8/8A 09-21-2021, 12:22 PM
Replies: 33
Views: 3,314
Posted By Carl Froehlich
In a perfect world you should be able to just...

In a perfect world you should be able to just replace the prop and make a new spinner (uses a different back and front plate than the FP prop). Spinner available from Vanís.

While there should be...
Forum: RV-8/8A 09-21-2021, 11:08 AM
Replies: 33
Views: 3,314
Posted By Carl Froehlich
Yep - slower than your plane could be, but...

Yep - slower than your plane could be, but consistent with my experience flying my first RV-8A with that FP prop. I did 300 hours flying behind that prop before I replaced it with the nice Hartzell...
Forum: RV-14 09-20-2021, 04:36 PM
Replies: 11
Views: 1,065
Posted By Carl Froehlich
Thanks Brian, Carl

Thanks Brian,

Carl
Forum: RV-14 09-20-2021, 04:19 PM
Replies: 11
Views: 1,065
Posted By Carl Froehlich
RV-14 firewall wire passthrough

What is the part number for this passthrough that comes with the kit? I want to use it on the new RV-10 project.

Carl
Forum: RV-4 09-20-2021, 01:04 PM
Replies: 11
Views: 1,037
Posted By Carl Froehlich
I suggest not doing this. A good epoxy primer...

I suggest not doing this. A good epoxy primer and urethane top coat provides for a very durable finish.

Why alodine if there is nothing to gain?

Carl
Forum: Traditional Aircraft Engines 09-20-2021, 08:02 AM
Replies: 8
Views: 556
Posted By Carl Froehlich
Iím guessing a constant speed prop? If so, in...

Iím guessing a constant speed prop? If so, in full high RPM pitch (as for landing) it will reduce engine cooling air. This also surprised me when I changed from a FP to the nice Hartzell BA prop on...
Forum: Electrical Systems 09-20-2021, 07:49 AM
Replies: 8
Views: 828
Posted By Carl Froehlich
Exactly! Tricks like leaving off the top skin to...

Exactly!

Tricks like leaving off the top skin to wire and such will haunt you down the line. I recommend a design that allows all panel work to be done on the bench. With the panel out most will...
Forum: RV-14 09-19-2021, 05:25 PM
Replies: 4
Views: 542
Posted By Carl Froehlich
The short answers: Yes - used the Vanís wing...

The short answers:
Yes - used the Vanís wing mount and the Dynon plate to stack one ADAHR on top of the other.
Yes - works perfect. No issues at all over the last four years.

Carl
Forum: RV General Discussion/News 09-18-2021, 06:34 PM
Replies: 20
Views: 2,972
Posted By Carl Froehlich
Denver to Hammond Louisiana after a nice visit...

Denver to Hammond Louisiana after a nice visit with son, new granddaughter and old friends. The plane was fully loaded (the GIB had a lot of stuff to take). A good test of the W&B...
Forum: RV General Discussion/News 09-17-2021, 11:02 AM
Replies: 25
Views: 2,287
Posted By Carl Froehlich
Some thoughts: - Never use a trickle/battery...

Some thoughts:
- Never use a trickle/battery maintainer on an Odyssey battery. Not required and many can kill a good battery. A standard Odyssey battery will maintain a good charge for months.
- Do...
Forum: Glass Cockpit 09-16-2021, 06:04 PM
Replies: 9
Views: 711
Posted By Carl Froehlich
A diagram of your power distribution system would...

A diagram of your power distribution system would be helpful.

Carl
Forum: Electronic Ignition Systems 09-16-2021, 09:18 AM
Replies: 2
Views: 416
Posted By Carl Froehlich
You must verify the timing of the Lightspeed with...

You must verify the timing of the Lightspeed with a light. This is a two person job, donít try it by yourself. The second person stands forward of the wing to do this.

I found an RV-7 with dual...
Forum: RV General Discussion/News 09-15-2021, 09:57 PM
Replies: 10
Views: 682
Posted By Carl Froehlich
Not a good idea. Carl

Not a good idea.

Carl
Forum: RV General Discussion/News 09-12-2021, 11:40 AM
Replies: 12
Views: 1,213
Posted By Carl Froehlich
I got an RV-10 and RV-8 fuselage out of the...

I got an RV-10 and RV-8 fuselage out of the basement via the same size door - but the gear cannot be on the plane.

I built two legs with wheels that bolt onto the fuselage spar ends. The legs are...
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 11:12 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.