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Search: Posts Made By: Carl Froehlich
Forum: RV General Discussion/News Yesterday, 04:30 PM
Replies: 20
Views: 1,282
Posted By Carl Froehlich
Yep - similar problem on my first RV (most...

Yep - similar problem on my first RV (most prominent indication was an altitude error).

Simple test, take a 1/8” round head rivet, drill a 1/16” hole through the center, then cut the head off with a...
Forum: RV-14 02-16-2020, 11:26 AM
Replies: 10
Views: 621
Posted By Carl Froehlich
If you don’t have the right antenna test...

If you don’t have the right antenna test equipment, it is hard to beat installing an Bob Archer antenna exactly as the instructions lay out.

Note however how this antenna does not use the full width...
Forum: RV General Discussion/News 02-14-2020, 07:36 AM
Replies: 44
Views: 26,941
Posted By Carl Froehlich
Here is a set up I did for the RV-10 and RV-8. ...

Here is a set up I did for the RV-10 and RV-8. It mitigates mud dabblers and ice blocking the fuel vents.

http://www.vansairforce.com/community/showthread.php?t=165701

Carl
Forum: RV General Discussion/News 02-13-2020, 11:29 AM
Replies: 2
Views: 306
Posted By Carl Froehlich
Stew, If you have not yet purchased the...

Stew,

If you have not yet purchased the Precision system, consider AirFlow Performance. It is a bolt on replacement for a carb when doing vertical injection.

I did this on my O-360-A1A back when...
Forum: RV General Discussion/News 02-13-2020, 10:09 AM
Replies: 48
Views: 3,900
Posted By Carl Froehlich
Sam, Just curious as to why you are doing fixed...

Sam,

Just curious as to why you are doing fixed timing. For me the main gain from electronic ignitions is timing advance in cruise to gain engine efficiency.

Carl
Forum: Electrical Systems 02-12-2020, 09:58 PM
Replies: 17
Views: 997
Posted By Carl Froehlich
Get the nice SS passthrough flange that comes in...

Get the nice SS passthrough flange that comes in the RV-14 kit. Put a piece of fire sleeve inside the flange and a piece over the top of the flange on the firewall side. Wire runs in the middle of...
Forum: RV General Discussion/News 02-11-2020, 02:47 PM
Replies: 16
Views: 2,283
Posted By Carl Froehlich
No - never said that. It can fly at 90 knots all...

No - never said that. It can fly at 90 knots all day long. I just don’t like doing that. Perhaps I phrased what I said wrong.

I launched out of Phoenix at 110 degrees then a climb up to 14,000’,...
Forum: RV General Discussion/News 02-11-2020, 09:15 AM
Replies: 16
Views: 2,283
Posted By Carl Froehlich
Correct. My understanding is that Will James got...

Correct. My understanding is that Will James got so much noise on the RV-10 cowl that he just stopped making it. A lot of this noise was from a handful of builders with “strong opinions” on...
Forum: RV-8/8A 02-09-2020, 04:54 PM
Replies: 3
Views: 394
Posted By Carl Froehlich
Thomas, PM me your email address and I'll send a...

Thomas,

PM me your email address and I'll send a scan of the template.

Carl
Forum: RV-8/8A 02-09-2020, 12:59 PM
Replies: 3
Views: 394
Posted By Carl Froehlich
Flap motor arm cover

A good friend and RV-8A driver, Tom Doran, came up with this slick cover. It needs a #8 nutplate on the arm rest and a #6 nutplate on the rear seat bulkhead. It shares a #8 screw on the top aft of...
Forum: RV-8/8A 02-08-2020, 03:04 PM
Replies: 8
Views: 694
Posted By Carl Froehlich
The simple way it to add a 1” wide strip of the...

The simple way it to add a 1” wide strip of the felt side of Velcro on the inside of the canopy skirt at the bottom.

Carl
Forum: RV-10 02-08-2020, 02:44 PM
Replies: 17
Views: 1,513
Posted By Carl Froehlich
One other thought as reading the OP reminds me of...

One other thought as reading the OP reminds me of a similar incident. Back in the day working to get a ticket flying a rented spam can, this same scenario happened. The engine ran strong on take...
Forum: RV-8/8A 02-08-2020, 11:55 AM
Replies: 6
Views: 444
Posted By Carl Froehlich
If memory serves, the prints tell you to trim the...

If memory serves, the prints tell you to trim the fairing.

Note - on my first 8A I spent a lot of time trimming the weights for balance. Then spent a lot more time adding weight back after paint -...
Forum: Glass Cockpit 02-08-2020, 10:00 AM
Replies: 10
Views: 587
Posted By Carl Froehlich
Kay, Just replace the battery. If a PC-680 is...

Kay,

Just replace the battery. If a PC-680 is not holding a charge as you say, it died a long time ago.

“Rejuvenating” a bad battery should be left for lawn tractors, not an airplane.

Another...
Forum: RV-10 02-08-2020, 09:49 AM
Replies: 17
Views: 1,513
Posted By Carl Froehlich
I wonder if you have the “bad vintage” of...

I wonder if you have the “bad vintage” of Champion spark plugs? I had six of twelve plugs fail in the first 300 hours - all high internal resistance.

Pull the plugs and verify center electrode is...
Forum: Glass Cockpit 02-06-2020, 09:22 AM
Replies: 10
Views: 587
Posted By Carl Froehlich
Kay, I suggest an email, with screen shots, to...

Kay,

I suggest an email, with screen shots, to Dynon Technical Support. They will save you days of chasing your tail by asking the questions you have not yet thought about.

Their tech support team...
Forum: RV-10 02-04-2020, 08:48 PM
Replies: 10
Views: 831
Posted By Carl Froehlich
Had this happen - cause was a rolled brake...

Had this happen - cause was a rolled brake caliper O ring. Replace it and problem fixed.

Carl
Forum: RV General Discussion/News 02-04-2020, 10:21 AM
Replies: 32
Views: 1,328
Posted By Carl Froehlich
No - this is not at all the same as normal...

No - this is not at all the same as normal operations with your alternator on line.

Battery chargers are just that - battery chargers. They are not designed to power electronics. As such, you are...
Forum: RV General Discussion/News 02-03-2020, 10:58 AM
Replies: 18
Views: 1,320
Posted By Carl Froehlich
The short answer is no - just use AN3 bolts and...

The short answer is no - just use AN3 bolts and nuts.

But - I always use a piece of 0.063” 3/4”x3/4” angle to mount the cooler, the angle then is bolted to the firewall where, as you suggest, there...
Forum: Electronic Ignition Systems 02-02-2020, 08:56 PM
Replies: 26
Views: 12,655
Posted By Carl Froehlich
Bob, Recommend you look at the six cylinder pMag...

Bob,

Recommend you look at the six cylinder pMag install manual. For this pMag you set the maximum advance during install - in other words it is not the binary “jumper in or jumper out”...
Forum: RV-14 01-31-2020, 05:52 PM
Replies: 3
Views: 410
Posted By Carl Froehlich
I believe this is a simple on/off switch. Use...

I believe this is a simple on/off switch. Use one of the contact sensor inputs into the EMS to display.

Carl
Forum: Electrical Systems 01-30-2020, 09:18 AM
Replies: 7
Views: 466
Posted By Carl Froehlich
Tom, You should have included this tidbit in our...

Tom,
You should have included this tidbit in our original post.

My standard recommendation - never run any avionics on anything other than a real battery (like the kind you will fly with) or for...
Forum: Electronic Ignition Systems 01-29-2020, 11:22 AM
Replies: 59
Views: 13,430
Posted By Carl Froehlich
What are the CHTs? Perhaps a base test would...

What are the CHTs?

Perhaps a base test would resolve this. For both pMags back out the EICAD shift (as in put the pMag back to stock). Time the engine per the installation instructions (TDC for a...
Forum: GPS 01-27-2020, 08:43 PM
Replies: 11
Views: 1,002
Posted By Carl Froehlich
“Direct To” will do this for you. Then select...

“Direct To” will do this for you. Then select the desired approach.

Carl
Forum: RV General Discussion/News 01-27-2020, 04:53 PM
Replies: 31
Views: 3,265
Posted By Carl Froehlich
Exactly!! No RV deserves to be on the ramp. Do...

Exactly!! No RV deserves to be on the ramp. Do what you can to get it in a hangar as soon as possible.

It is troubling that hangar space is so hard to come by. I’m spoiled living at an airpark...
Forum: Electronic Ignition Systems 01-27-2020, 12:31 PM
Replies: 59
Views: 13,430
Posted By Carl Froehlich
The simple way is to open the pMag breaker for...

The simple way is to open the pMag breaker for this test. So just one control toggle for each pMag, and of course one breaker for each pMag.

Carl
Forum: COMM 01-26-2020, 12:31 PM
Replies: 1
Views: 236
Posted By Carl Froehlich
This is a fix I did on LED NAV lights: - On the...

This is a fix I did on LED NAV lights:
- On the inside of the wingtip, add a .025” piece of aluminum that is held in by the NAV light mounting screws. This piece of aluminum need not be very big, so...
Forum: RV General Discussion/News 01-26-2020, 06:58 AM
Replies: 8
Views: 759
Posted By Carl Froehlich
On both my planes the local FSDO required a...

On both my planes the local FSDO required a placard to identify the Infinity Stick buttons. I printed out a 1”x1” or piece of paper identifying each button (color of font same as button color), then...
Forum: RV General Discussion/News 01-24-2020, 09:09 PM
Replies: 10
Views: 1,034
Posted By Carl Froehlich
The 7 and 9 are designed for different missions. ...

The 7 and 9 are designed for different missions. Decide what you want. Resale value between the two is dependent on what mission the buyer is looking to achieve. In short recommend you not worry...
Forum: Southeast 01-24-2020, 09:07 AM
Replies: 0
Views: 218
Posted By Carl Froehlich
RVs at Hammond (KHDC)?

I’d appreciate talking to any RV guy using Hammond as their home field.

PM me for contact information.

Thanks,
Carl
Forum: Electrical Systems 01-23-2020, 10:08 AM
Replies: 7
Views: 365
Posted By Carl Froehlich
Never connect two radios to a single antenna, and...

Never connect two radios to a single antenna, and do not attempt to use a standard switch for an antenna. If you really must have an antenna switch, it has to be a switch designed for coax, such as:...
Forum: Electrical Systems 01-22-2020, 12:33 PM
Replies: 310
Views: 33,101
Posted By Carl Froehlich
I don’t know what the deal is on having two power...

I don’t know what the deal is on having two power feeds to a “dual ignition bus”. Why not have one ignition on each battery - no ignition bus or diodes?

Carl
Forum: RV-10 01-22-2020, 12:23 PM
Replies: 7
Views: 1,795
Posted By Carl Froehlich
Just a simple piece of 0.032 aluminum, cut to fit...

Just a simple piece of 0.032 aluminum, cut to fit the tail light mount but with a tab sticking out on the needed side. A hole is cut on the middle to allow the tail light and of course the tail...
Forum: RV-8/8A 01-22-2020, 11:00 AM
Replies: 5
Views: 868
Posted By Carl Froehlich
Consider the 180hp parallel valve IO-360 over the...

Consider the 180hp parallel valve IO-360 over the 200hp angle head version. With a good CS prop I find it to be a perfect match for the RV-8.

If your priority is a fire breathing engine to...
Forum: Traditional Aircraft Engines 01-20-2020, 12:38 PM
Replies: 16
Views: 1,982
Posted By Carl Froehlich
My first RV-8A started life with a stock Van’s...

My first RV-8A started life with a stock Van’s O-363-A1A. I sold the carb without ever taking it out of the box and installed the vertical Airflow Performance injection system (and changed the...
Forum: Glass Cockpit 01-20-2020, 10:14 AM
Replies: 12
Views: 1,440
Posted By Carl Froehlich
Paul, If nothing else, I’d add an analog...

Paul,

If nothing else, I’d add an analog airspeed instrument. That way you can have a real instrument to land if your single G5 goes south. An iPad does not fit the bill for this. If you want a...
Forum: COMM 01-19-2020, 04:11 PM
Replies: 8
Views: 601
Posted By Carl Froehlich
Jim, Sounds like you need to give Rob Hickman at...

Jim,

Sounds like you need to give Rob Hickman at AFS a call.

Carl
Forum: COMM 01-19-2020, 02:17 PM
Replies: 8
Views: 601
Posted By Carl Froehlich
Did you adjust the display brightness? Carl

Did you adjust the display brightness?

Carl
Forum: Traditional Aircraft Engines 01-19-2020, 09:59 AM
Replies: 16
Views: 1,982
Posted By Carl Froehlich
Mike, I note you are building an RV-8. If you...

Mike,

I note you are building an RV-8. If you plan on using the stock cowl and snorkel, the Airflow Performance throttle body will not fit (it hits the bottom of the cowl).

I ordered my 180hp...
Forum: RV-10 01-18-2020, 11:36 AM
Replies: 7
Views: 1,795
Posted By Carl Froehlich
Yep - on the RV-10 you can move the ball from...

Yep - on the RV-10 you can move the ball from slightly out left to slightly out right by how you rig the gear leg fairings - and I proved this.

Recommend your get a second set of eyeballs to make...
Forum: RV General Discussion/News 01-18-2020, 11:21 AM
Replies: 7
Views: 799
Posted By Carl Froehlich
I’m very happy with the PS Engineering PDA360EX...

I’m very happy with the PS Engineering PDA360EX audio panel. Just installed this in two RVs.
Don’t bother with any audio panel that includes a marker beacon receiver. I did that for the RV-10 and...
Forum: RV-10 01-17-2020, 05:34 PM
Replies: 17
Views: 972
Posted By Carl Froehlich
I built three RVs with a 2X gun - and will do so...

I built three RVs with a 2X gun - and will do so again.

Carl
Forum: RV-8/8A 01-12-2020, 08:07 PM
Replies: 11
Views: 1,103
Posted By Carl Froehlich
Rod, I talked to Steve at Fairings-Etc and...

Rod,

I talked to Steve at Fairings-Etc and ordered a set of his Grove gear specific fairings.

Should arrive next week.

Carl
Forum: RV Ongoing Maintenance Issues 01-11-2020, 09:54 PM
Replies: 65
Views: 5,756
Posted By Carl Froehlich
Install it for a horizontal injected engine. It...

Install it for a horizontal injected engine. It help prevents blowing out the air filter during a hot start.

Carl
Forum: Glass Cockpit 01-11-2020, 12:22 PM
Replies: 14
Views: 1,683
Posted By Carl Froehlich
My standard answer: - For VFR do whatever you...

My standard answer:
- For VFR do whatever you want.
- For IFR the iPad is a good flight planning tool and a third backup. It does not earn a spot on the panel. Reason, if not there you will not...
Forum: Electronic Ignition Systems 01-11-2020, 10:48 AM
Replies: 27
Views: 2,814
Posted By Carl Froehlich
Keep in mind the six cylinder pMag was developed...

Keep in mind the six cylinder pMag was developed with the certified market in mind. This, as I understand it, drove a lot of the delay.

As we know, the only other option for an ignition system that...
Forum: Electronic Ignition Systems 01-11-2020, 08:43 AM
Replies: 27
Views: 2,814
Posted By Carl Froehlich
Six cylinder pMag now shipping

All,

Brad has shipped me the final production version of the new six cylinder pMag. I’ll remove the beta version he sent me and install this one.

I’ll let you know how it works. I can say the...
Forum: RV-14 01-10-2020, 09:19 AM
Replies: 13
Views: 1,224
Posted By Carl Froehlich
The light 1/2”ID plastic water pipe from Lowes...

The light 1/2”ID plastic water pipe from Lowes fits well into the existing rib holes (the holes Van’s tells you to install snap bushings). Simple, light, and big enough to run anything you need. ...
Forum: Electrical Systems 01-09-2020, 03:22 PM
Replies: 26
Views: 1,810
Posted By Carl Froehlich
+1 This needs to be clearly understood. I’ve...

+1
This needs to be clearly understood. I’ve seen more than one dual electronic ignition install in RVs (not pMag) with an absolutely dead ignition backup battery (as in 0vdc across the terminals). ...
Forum: Electrical Systems 01-08-2020, 02:57 PM
Replies: 26
Views: 1,810
Posted By Carl Froehlich
True - but on some installs (like an RV-10) it...

True - but on some installs (like an RV-10) it does not fit well (slightly larger form factor). So, check clearances before you get the 462-H.

Carl
Forum: Electrical Systems 01-08-2020, 09:21 AM
Replies: 26
Views: 1,810
Posted By Carl Froehlich
This is a nice to know (and as pointed out - if...

This is a nice to know (and as pointed out - if tested) capability. I caution against designing this as an acceptable backup mode for reasons also pointed out. There are better backup mode design...
Forum: RV General Discussion/News 01-07-2020, 01:42 PM
Replies: 66
Views: 9,477
Posted By Carl Froehlich
Mountain High Aviation Oxygen Systems. We have a...

Mountain High Aviation Oxygen Systems.

We have a six cylinder shared fill station set up in the Airpark, each person owns one of the cylinders. We start filling from the low bottle and just top off...
Forum: Electrical Systems 01-07-2020, 12:47 PM
Replies: 26
Views: 1,810
Posted By Carl Froehlich
The B&C 20 amp standby alternator is a very nice...

The B&C 20 amp standby alternator is a very nice unit. I recommend wiring it as they discuss in their installation manual.

Specifically:
- A separate breaker for the primary alternator voltage...
Forum: RV-8/8A 01-06-2020, 07:06 PM
Replies: 11
Views: 1,103
Posted By Carl Froehlich
Great feed - thanks guys. Carl

Great feed - thanks guys.

Carl
Forum: RV-8/8A 01-06-2020, 04:31 PM
Replies: 11
Views: 1,103
Posted By Carl Froehlich
Grove gear intersection fairings

I’d appreciate any photos or “how to” from builders on their upper intersection fairings. I have not found any aftermarket fairing that will work with the Grove gear so I will be fabricating them...
Forum: RV General Discussion/News 01-01-2020, 09:09 PM
Replies: 17
Views: 1,127
Posted By Carl Froehlich
This works very well to clean:...

This works very well to clean: https://www.aircraftspruce.com/catalog/cspages/novuspolish2.php?clickkey=3211335

Then use this Novus #1 after.

Carl
Forum: RV-8/8A 01-01-2020, 02:42 PM
Replies: 32
Views: 7,083
Posted By Carl Froehlich
My thoughts: - Grover Gear, or the new vendor. -...

My thoughts:
- Grover Gear, or the new vendor.
- The finish kit now has Matco brakes instead of Cleveland. The are a different form factor from the Cleaveland are not well suited for the Grove gear....
Forum: RV General Discussion/News 12-31-2019, 07:45 PM
Replies: 17
Views: 1,382
Posted By Carl Froehlich
Some thoughts: - Fitting two 10” Skyview displays...

Some thoughts:
- Fitting two 10” Skyview displays in an RV-8 works as you know, but creates placement issues. For example I’d put your display higher.
- You are missing the must have SkyView Knob...
Forum: RV General Discussion/News 12-27-2019, 05:56 PM
Replies: 4
Views: 547
Posted By Carl Froehlich
Or, just not create the problem by not cutting...

Or, just not create the problem by not cutting any holes in the top skin. Design your panel to come fully out of the plane in just a few minutes. This is relatively easy with today’s EFIS...
Forum: RV General Discussion/News 12-27-2019, 09:45 AM
Replies: 55
Views: 5,966
Posted By Carl Froehlich
Fly the 10 go fly one with your wife, add up...

Fly the 10 go fly one with your wife, add up standard yearly costs to own a Bonanza, take a look at how thick a wallet you have, then decided.

If nothing else, I would never own any spam can simply...
Forum: Fuel Injection Systems 12-27-2019, 09:19 AM
Replies: 57
Views: 3,925
Posted By Carl Froehlich
I caution against the myopic approach that the...

I caution against the myopic approach that the only failure to mitigate is loss of the alternator. While this is perhaps the most likely causality, it does not result in the most severe outcome. ...
Forum: RV General Discussion/News 12-24-2019, 09:33 PM
Replies: 8
Views: 1,294
Posted By Carl Froehlich
I finished my RV-10 in 2012. Total cost...

I finished my RV-10 in 2012. Total cost including paint and interior was $165K. This included new engine and prop from Van’s, dual screen SkyView, GTN-650 etc. I did a slow build and painted it...
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