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Search: Posts Made By: Carl Froehlich
Forum: RV General Discussion/News Today, 07:07 AM
Replies: 3
Views: 178
Posted By Carl Froehlich
Interesting. I know of a person buying an almost...

Interesting. I know of a person buying an almost complete RV-6A and is trying to convert it to an RV-6 (against the advice of all previous RV builders he has talked with).

Iíll send him a note -...
Forum: RV General Discussion/News Yesterday, 11:31 AM
Replies: 19
Views: 524
Posted By Carl Froehlich
Taking the forward shelf out is the only way to...

Taking the forward shelf out is the only way to service these reservoirs. Keep in mind that taking the shelf out is not as easy as it seems now while building.

Carl
Forum: RV General Discussion/News Yesterday, 06:30 AM
Replies: 19
Views: 524
Posted By Carl Froehlich
Iím currently flying a friendís RV-8 that has...

Iím currently flying a friendís RV-8 that has pedal mounted reservoirs. All the other RVs Iíve had use the stock single reservoir on the firewall.

While they work just like the firewall mounted...
Forum: Glass Cockpit 07-16-2018, 09:19 AM
Replies: 16
Views: 1,162
Posted By Carl Froehlich
Donít overlook the option of not using either...

Donít overlook the option of not using either product. Iím sure they perform as advertised, but lock you into a single architect that may not support your design objectives.

Switches and breakers...
Forum: RV-10 07-16-2018, 06:24 AM
Replies: 1
Views: 229
Posted By Carl Froehlich
Need a drawing

Anyone have a PDF version of the nose gear fairing instructions they can email me? The new owner of my RV-10 broke the fairing and I canít find that page(s) of the instructions.

Thanks,
Carl
Forum: RV-10 07-13-2018, 03:40 PM
Replies: 1
Views: 198
Posted By Carl Froehlich
It does matter. Look at the pre-punched holes...

It does matter. Look at the pre-punched holes and you will see one side offset so that on the overlap the rivet holes line up.

Carl
Forum: Electronic Ignition Systems 07-13-2018, 01:48 PM
Replies: 37
Views: 2,541
Posted By Carl Froehlich
pMag. 700 hrs with dual pMags on an IO-360. ...

pMag. 700 hrs with dual pMags on an IO-360. Performance has been flawless. Bought a IO-360M1B from Vanís for the new project with a pMag on one side and an empty hole on the other - soon to be...
Forum: RV General Discussion/News 07-10-2018, 09:44 AM
Replies: 4
Views: 295
Posted By Carl Froehlich
Put the antenna on a mount, add two pieces of...

Put the antenna on a mount, add two pieces of wire (any gauge) to the base screws, the wire pieces 24Ē long and about 180 degrees apart. Connect your MFJ antenna analyzer and find out how it is...
Forum: RV General Discussion/News 07-09-2018, 07:05 PM
Replies: 7
Views: 486
Posted By Carl Froehlich
I suspect you will get a lot of opinions - here...

I suspect you will get a lot of opinions - here are mine:
- The Rolo flaring tool (the one on your link) is the tool to use.
- I add a 1/4Ē AN bulkhead fitting to the left tank for fuel return. ...
Forum: RV-8/8A 07-09-2018, 03:34 PM
Replies: 7
Views: 384
Posted By Carl Froehlich
Yep - that could be my mistake. Carl

Yep - that could be my mistake.

Carl
Forum: Glass Cockpit 07-09-2018, 09:48 AM
Replies: 9
Views: 640
Posted By Carl Froehlich
Some thoughts: - With the big holes provide by...

Some thoughts:
- With the big holes provide by the EFIS displays and ease of just taking the panel out when needed, there is no advantage to access panel(s) on the fusleage skin (and several...
Forum: RV-10 07-09-2018, 09:27 AM
Replies: 13
Views: 735
Posted By Carl Froehlich
Defer wiring until final wing install (other than...

Defer wiring until final wing install (other than conduits in the wing and fusleage). No connectors or terminal blocks - just run the wires. If you ever need to take the wing off, pull them into...
Forum: RV-8/8A 07-09-2018, 08:59 AM
Replies: 7
Views: 384
Posted By Carl Froehlich
This was posted on another thread - and that got...

This was posted on another thread - and that got me to wondering: https://www.vansaircraft.com/pdf/Acrylic_Canopy_and_Lexan_Window_Hints.pdf

Carl
Forum: RV-8/8A 07-09-2018, 07:13 AM
Replies: 7
Views: 384
Posted By Carl Froehlich
Canopy intersection fairing

Itís that time again - laying up the canopy fairings.

Years ago on the first 8A project I used electrical tape on the canopy as the release agent. That seemed to work well but now I read the...
Forum: Electrical Systems 07-08-2018, 07:28 AM
Replies: 61
Views: 17,181
Posted By Carl Froehlich
Firewall mounted batteries have a lot of...

Firewall mounted batteries have a lot of problems, EarthX or any other brand.

Will going to the pain of battery enclosures, blast tubes, etc. be better than just moving the battery aft of the...
Forum: RV-10 07-07-2018, 09:20 AM
Replies: 7
Views: 588
Posted By Carl Froehlich
I used some of this between the cabin heat boxes...

I used some of this between the cabin heat boxes and the firewall, then had it extend over the top of the boxes, then down the front of the boxes:...
Forum: VAF Classifieds (posts in here deleted after 30 days) 07-06-2018, 07:14 PM
Replies: 0
Views: 231
Posted By Carl Froehlich
FS, RUN-D 2x40W 3'' Pod LED Lights

I bought these for the new RV-8 project to use as landing lights. I ended up doing a different LED set...
Forum: RV General Discussion/News 07-06-2018, 10:52 AM
Replies: 13
Views: 1,462
Posted By Carl Froehlich
Try backflushing it with 100LL into a coffee...

Try backflushing it with 100LL into a coffee filter.

Carl
Forum: RV-9/9A 07-05-2018, 07:22 PM
Replies: 7
Views: 362
Posted By Carl Froehlich
Or - for the parallel valve IO-360 the 10 row...

Or - for the parallel valve IO-360 the 10 row 2004X Airflow Systems cooler could fit the bill: http://www.aircraftspruce.com/catalog/eppages/xseriesOilCooler.php



Carl
Forum: Safety 07-05-2018, 04:54 PM
Replies: 37
Views: 4,226
Posted By Carl Froehlich
Perhaps taking a breath as the first step would...

Perhaps taking a breath as the first step would be a good idea.

Sure - posted signs and all that, got it. I offer that our pilot communities govern themselves well without getting the lawyers...
Forum: RV-8/8A 07-03-2018, 07:56 AM
Replies: 5
Views: 548
Posted By Carl Froehlich
Yep - tried all that. Unzip is not the problem,...

Yep - tried all that. Unzip is not the problem, the stupid DWG/DXF format is kicking me.

Still looking for simple PDF files.

Carl
Forum: RV General Discussion/News 07-03-2018, 07:38 AM
Replies: 66
Views: 8,735
Posted By Carl Froehlich
RV-7/8 wingtip Landing Lights

Paul,

Again - good job putting out the right product for the RV market.

A few questions for putting two lights in the RV-8 wingtips (similar to the Vanís MR-16 landing light kit):
- The double LED...
Forum: RV-8/8A 07-03-2018, 07:25 AM
Replies: 5
Views: 548
Posted By Carl Froehlich
RV-8 three view drawings

Anyone have 3 view PDF drawings for the RV-8? I canít get the weird Vanís drawing download to work.

Thanks,
Carl
Forum: RV-8/8A 07-01-2018, 03:45 PM
Replies: 1
Views: 392
Posted By Carl Froehlich
Canopy drilling

The issue I've found with drilling the canopy to canopy frame holes is making sure you drill at exactly the right place on the frame to avoid unnecessary stress on the glass.

For the first project...
Forum: RV-7/7A 06-29-2018, 09:38 AM
Replies: 20
Views: 1,759
Posted By Carl Froehlich
Another option, use 1/8Ē SS pins for the top...

Another option, use 1/8Ē SS pins for the top cowl. You need to tapper the last 8Ē or so to .090Ē or so to make the curve. I did this and it eliminated the top of the cowl riding up on the hinge...
Forum: RV-14 06-27-2018, 03:24 PM
Replies: 8
Views: 754
Posted By Carl Froehlich
I strongly recommend you do not try to duplicate...

I strongly recommend you do not try to duplicate the Vanís wiring harness - but specifically do not use those little miniature molex connectors he has for the trim servos. Just wire it the way you...
Forum: Glass Cockpit 06-27-2018, 09:05 AM
Replies: 5
Views: 546
Posted By Carl Froehlich
Iím confused. What software do you have for a...

Iím confused. What software do you have for a simple on/off switch?

Carl
Forum: RV General Discussion/News 06-27-2018, 08:52 AM
Replies: 36
Views: 1,782
Posted By Carl Froehlich
I found the same problem on a builderís project. ...

I found the same problem on a builderís project. It was the classic mistake of not making the 90 degree bend on the float arm that goes though the sender clip arm hole.

Vanís instruction are still...
Forum: RV General Discussion/News 06-26-2018, 09:44 AM
Replies: 43
Views: 2,507
Posted By Carl Froehlich
Yes. Keep in mind the voltage sag when the...

Yes.

Keep in mind the voltage sag when the starter engages. That same voltage sag will be present on the starter solenoid. If your start switch has bad contacts, the voltage getting to the starter...
Forum: RV General Discussion/News 06-26-2018, 07:59 AM
Replies: 29
Views: 5,097
Posted By Carl Froehlich
Tom, LOP at that 22Ē and 2200 RPM with pMags Iíd...

Tom,

LOP at that 22Ē and 2200 RPM with pMags Iíd expect fuel flow at around 7GPH or perhaps a little less. In the 8A standard 170kt+ LOP cruise is 23.5-24Ē and 2350-2400 RPM @ 7.5 - 7.8 gph...
Forum: RV General Discussion/News 06-25-2018, 08:44 PM
Replies: 19
Views: 2,305
Posted By Carl Froehlich
Three ways: - Use a longer set. This allows for...

Three ways:
- Use a longer set. This allows for a decreased angle
- Use an offset set.
- Use at least three layers of masking tape on the set. This is the rule for all round heads to never have a...
Forum: RV General Discussion/News 06-25-2018, 05:28 PM
Replies: 9
Views: 1,237
Posted By Carl Froehlich
I painted both of my first projects in a hangar...

I painted both of my first projects in a hangar paint booth made of 2x4s, plastic, furnace filters and a large exhaust fan. The booth will set you back $500 or so if you get decent lighting, Iíd...
Forum: RV General Discussion/News 06-25-2018, 10:43 AM
Replies: 6
Views: 769
Posted By Carl Froehlich
Never had this problem so Iím shooting from the...

Never had this problem so Iím shooting from the hip.

I donít see a path forward outer that careful 400 to 800 grit wet sand of the area, prime and top coat, then buffing to blend into the rest of...
Forum: Safety 06-24-2018, 07:27 PM
Replies: 11
Views: 2,040
Posted By Carl Froehlich
I wonder if some of the inside tank got a coat of...

I wonder if some of the inside tank got a coat of primer by mistake.

Carl
Forum: Traditional Aircraft Engines 06-24-2018, 09:07 AM
Replies: 16
Views: 1,866
Posted By Carl Froehlich
I had a recurring ploblem with these flattened...

I had a recurring ploblem with these flattened steel tubes breaking off just like yours. I replaced them with solid aluminum rod. Never had another problem.

Carl
Forum: RV-10 06-24-2018, 07:03 AM
Replies: 11
Views: 838
Posted By Carl Froehlich
The tunnel is structural. Reenforce any holes...

The tunnel is structural. Reenforce any holes you may make.

On the practical side, it is a royal pain to have to take the seats out to pull the tunnel top, but for any real Condition Inspection...
Forum: RV General Discussion/News 06-23-2018, 07:24 PM
Replies: 15
Views: 886
Posted By Carl Froehlich
Rudder lock

A piece of aluminum angle, some foam padding and some white line.

The line goes through the elevator leading edge cutout for the journal bearings, back down and tied with a Bowline knot. The...
Forum: Glass Cockpit 06-23-2018, 04:14 PM
Replies: 30
Views: 2,455
Posted By Carl Froehlich
Iíll be the contrarian. The problems you list...

Iíll be the contrarian. The problems you list demonstrate that an iPad is a great flight planning tool, but nothing more that the third backup or something to play with while flying.

You best path...
Forum: COMM 06-23-2018, 09:33 AM
Replies: 6
Views: 409
Posted By Carl Froehlich
Your platenuts are not the problem. Your...

Your platenuts are not the problem.

Your symptoms most likely indicate a failed antenna cable/connector. If you donít have access to an antenna analyzer you could disconnect the antenna cable at...
Forum: RV General Discussion/News 06-22-2018, 07:17 PM
Replies: 66
Views: 8,735
Posted By Carl Froehlich
Is that for the leading edge or wingtip...

Is that for the leading edge or wingtip light?

Carl
Forum: RV General Discussion/News 06-22-2018, 03:00 PM
Replies: 8
Views: 511
Posted By Carl Froehlich
Use the same primer you will use when painting...

Use the same primer you will use when painting the plane.

Carl
Forum: Traditional Aircraft Engines 06-21-2018, 08:59 PM
Replies: 7
Views: 549
Posted By Carl Froehlich
Agree - you fouled the plugs. The biggest...

Agree - you fouled the plugs.

The biggest mistake Iíve seen is not aggressively leaning when on the ground (like the engine almost stops) even with a new engine.

Clean the plugs and fly on.

Carl
Forum: Traditional Aircraft Engines 06-21-2018, 06:06 PM
Replies: 9
Views: 817
Posted By Carl Froehlich
Canít reroute the fuel line to get more...

Canít reroute the fuel line to get more clearance?

You can also add a radiant heat shield on the offending pipe:...
Forum: RV-10 06-21-2018, 03:47 PM
Replies: 7
Views: 638
Posted By Carl Froehlich
Well shoot fire - how did I miss these? Thanks...

Well shoot fire - how did I miss these?

Thanks Dave,
Carl
Forum: RV-10 06-21-2018, 03:07 PM
Replies: 7
Views: 638
Posted By Carl Froehlich
Yep, but need it in the RV-10 main gear size,...

Yep, but need it in the RV-10 main gear size, 15/600-6.

Carl
Forum: Electrical Systems 06-21-2018, 01:58 PM
Replies: 18
Views: 745
Posted By Carl Froehlich
If interested, PM me your email address and Iíll...

If interested, PM me your email address and Iíll provide.

Carl
Forum: Electrical Systems 06-21-2018, 01:23 PM
Replies: 18
Views: 745
Posted By Carl Froehlich
Sorry - but you missed my point, holding current....

Sorry - but you missed my point, holding current. While heat is an annoyance, the unnecessary battery drain just to hold the master solenoid(s) shut is where a builder could look for a better...
Forum: RV-10 06-21-2018, 12:33 PM
Replies: 7
Views: 638
Posted By Carl Froehlich
90 degree main gear valve stem

Iím not having any luck finding a replacement main gear innner tube with a 90 degree valve stem. The objective is to be able to air the tires with a valve extension through the well pant.

Anyone...
Forum: Electrical Systems 06-21-2018, 11:38 AM
Replies: 18
Views: 745
Posted By Carl Froehlich
There are better options. Why have a couple of...

There are better options.

Why have a couple of master solenoids that have a holding current more than what your EFIS draws? Not a good design element for battery reserve capacity.

Here is one...
Forum: RV General Discussion/News 06-20-2018, 11:20 AM
Replies: 33
Views: 1,625
Posted By Carl Froehlich
I used it on the RV-10 after a high end Lancair...

I used it on the RV-10 after a high end Lancair builder recommended it. I will never use it again. It added a lot of work for limited value. There are better ways to fill pin holes.

If you use...
Forum: Glass Cockpit 06-19-2018, 12:58 PM
Replies: 18
Views: 2,054
Posted By Carl Froehlich
Short answer - no. Perhaps some tools to help...

Short answer - no.

Perhaps some tools to help you along the decision tree:
- Do not piecemeal. Decide on the end state and them make sure every component supports that end state. If you want all...
Forum: RV-10 06-19-2018, 09:51 AM
Replies: 2
Views: 498
Posted By Carl Froehlich
Nope - you did it right. I filled the gap with...

Nope - you did it right.

I filled the gap with flox, sanded then a thin bid of glass over the top, the micro to finish. After paint it is totally gone.

Carl
Forum: Safety 06-19-2018, 09:41 AM
Replies: 33
Views: 4,066
Posted By Carl Froehlich
The short answer is yes. Just because the...

The short answer is yes.

Just because the screens and filters will keep the flakes out of the engine does not mean the flakes will not clog the screen or filter and fuel starve the engine.

Consider...
Forum: RV General Discussion/News 06-18-2018, 03:40 PM
Replies: 8
Views: 941
Posted By Carl Froehlich
This is an on going problem. About the only way...

This is an on going problem.

About the only way to check for RFI is to buy one and connect to a power supply that is also feeding a VHF radio and find out.

I bought four of these to replace the...
Forum: RV General Discussion/News 06-18-2018, 11:56 AM
Replies: 10
Views: 613
Posted By Carl Froehlich
If your engine starts, your alternator is...

If your engine starts, your alternator is grounded. This is not your alternator output problem.

Recommend you do a ďstrategic pauseĒ. Instead of chasing individual items get another builder to...
Forum: RV-10 06-18-2018, 08:01 AM
Replies: 7
Views: 875
Posted By Carl Froehlich
The days of crawling on your back to go under the...

The days of crawling on your back to go under the panel ended long ago.

Use your time to think out the panel, what gets wired between panel elements (e.g. comm and audio panel) and what gets wired...
Forum: RV-10 06-18-2018, 07:08 AM
Replies: 10
Views: 867
Posted By Carl Froehlich
To each his own, but adding this proved well...

To each his own, but adding this proved well worth the time.

Carl
https://s22.postimg.cc/8ehvkjhyp/Access_door_1.jpg

https://s22.postimg.cc/5loo04k2p/Access_door_2.jpg
Forum: RV-10 06-17-2018, 08:43 AM
Replies: 10
Views: 867
Posted By Carl Froehlich
I put in small door (some hinge material on top...

I put in small door (some hinge material on top and bottom, some scrap pieces - done). Pull one pin and the door opens. I use it all the time. I have a ground DC power supply connection behind the...
Forum: RV General Discussion/News 06-16-2018, 05:36 AM
Replies: 66
Views: 8,735
Posted By Carl Froehlich
Iíd be interested in just the landing lights as...

Iíd be interested in just the landing lights as well.

Carl
Forum: RV-10 06-15-2018, 09:27 AM
Replies: 29
Views: 3,495
Posted By Carl Froehlich
I was looking to make a tank out of 1/4Ē carbon...

I was looking to make a tank out of 1/4Ē carbon fiber premade boards (carbon over foam) but this looks like an option. Who made it and how much did it cost?

Carl
Forum: RV General Discussion/News 06-15-2018, 08:52 AM
Replies: 11
Views: 913
Posted By Carl Froehlich
No - keep that product and anything like it far...

No - keep that product and anything like it far away from your airplane.

What I do:
- Cut a piece of rigid foam insulation to fit in the rib. Make it 1/16Ē shallower, and 1/16Ē clearance to the rib...
Forum: Electrical Systems 06-14-2018, 09:39 AM
Replies: 12
Views: 2,318
Posted By Carl Froehlich
I used two fuse blocks in the first RV (8A). ...

I used two fuse blocks in the first RV (8A). They worked but were a pain everytime I wanted to do anything, and unless you have these things on the front of the panel they are not accessible in...
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