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Search: Posts Made By: Lars
Forum: RV General Discussion/News 02-24-2021, 10:35 PM
Replies: 17
Views: 1,598
Posted By Lars
A close friend of mine was on the team that...

A close friend of mine was on the team that developed the Da Vinci robot; sadly he has subsequently had it used on him. It was an option for me when I was diagnosed with prostate cancer a couple of...
Forum: RV General Discussion/News 02-21-2021, 10:27 AM
Replies: 17
Views: 649
Posted By Lars
I've worked on dozens of aircraft that had...

I've worked on dozens of aircraft that had terminal strips installed for various wiring functions, B&C regulators included. I've never found one loose. I'm only one mechanic, so take that for what...
Forum: Fuel Injection Systems 02-20-2021, 10:35 AM
Replies: 25
Views: 3,279
Posted By Lars
I was actually thinking a straight adapter with a...

I was actually thinking a straight adapter with a 90 on the hose, but that is probably too tall.

Regardless, I was eyeing my own injector lines suspiciously a couple of days ago. Add my name to the...
Forum: Fuel Injection Systems 02-20-2021, 10:11 AM
Replies: 25
Views: 3,279
Posted By Lars
Probably a long shot and might make the assembly...

Probably a long shot and might make the assembly too tall, but what about creating an AN800 male seat to AN2 male flare adapter for the nozzle? Then standard AN-2 hose ends could be used.
Forum: RV Building Tips/Techniques 12-29-2020, 05:44 PM
Replies: 27
Views: 2,801
Posted By Lars
Lotta ways to skin that cat (apologies to cat...

Lotta ways to skin that cat (apologies to cat lovers, luckily neither of mine can read English). Mine lives betwixt fuel servo and flow divider. Latter in my case is on the pilot's side of the...
Forum: Glass Cockpit 12-25-2020, 12:38 AM
Replies: 5
Views: 589
Posted By Lars
HXr displays are pretty unfussy about memory...

HXr displays are pretty unfussy about memory stick brands compared to previous displays. But, as mentioned, verify that the file name and type is correct. If you downloaded a file that had to be...
Forum: Safety 12-22-2020, 11:06 AM
Replies: 28
Views: 2,899
Posted By Lars
Piston position

Interesting thread. My experience with accumulators is on industrial hydraulics, where I likewise have never seen one fail. Would be nice to have a definitive explanation.

As for position sensing, a...
Forum: RV Photo/Video URLs 12-16-2020, 07:41 PM
Replies: 5
Views: 1,729
Posted By Lars
Still working my way through it, loving it so...

Still working my way through it, loving it so far. I love RV travel blogs almost as much as I love traveling in my RV-7. Favorite photo so far, you parked behind a Denny's Grand Slam the morning...
Forum: Glass Cockpit 12-14-2020, 10:17 PM
Replies: 6
Views: 450
Posted By Lars
Adding to the chorus... Good contact at GRT:...

Adding to the chorus...

Good contact at GRT: Jeff DeFouw, who knows this stuff well and is very responsive- jeffd@grtavionics.com

I am very happy with GRT equipment and support, but their...
Forum: RV Ongoing Maintenance Issues 12-14-2020, 10:02 PM
Replies: 17
Views: 1,519
Posted By Lars
Charlie, I bought my DOT4 conversion o-rings from...

Charlie, I bought my DOT4 conversion o-rings from you way back in the day. What material did you supply (ref my previous post above)? For what it's worth, I rarely let any of my arcane collection of...
Forum: Glass Cockpit 12-14-2020, 09:54 PM
Replies: 11
Views: 689
Posted By Lars
TCW manufactures several flavors of backup...

TCW manufactures several flavors of backup battery, but unless your needs are unusual, the IBBS-12V-3AH is plenty. No diode needed. Connected to the main buss, it will charge itself when ever the...
Forum: RV Ongoing Maintenance Issues 12-13-2020, 01:23 PM
Replies: 17
Views: 1,519
Posted By Lars
A bit more on seals, which makes for a "that...

A bit more on seals, which makes for a "that depends" answer to the OP's original query. In the automotive world where one finds DOT 3, 4 and 5.1 (not 5), EPDM rubber is the typical go-to seal...
Forum: Electrical Systems 11-30-2020, 10:35 AM
Replies: 39
Views: 5,913
Posted By Lars
I second that recommendation. They can be found...

I second that recommendation. They can be found on eBay for about half price, though they are so much better than the common variety that I'd pay full price if I broke one of mine.
Forum: Glass Cockpit 11-24-2020, 10:18 AM
Replies: 6
Views: 713
Posted By Lars
A thought... Sell the Skybeacon and buy a...

A thought...

Sell the Skybeacon and buy a SafeFly/EchoUAT combo from GRT. You can probably get enough for the Skybeacon that it will zero out the cost of the SafeFly/Echo. As a bonus the Echo can...
Forum: Electrical Systems 11-18-2020, 09:51 AM
Replies: 43
Views: 5,926
Posted By Lars
Another data point

My 2010 vintage 60 amp PP alternator failed a few months ago at about 920 hours. Blast tube installed since new. Regularly checked condition of connector including removing/contact cleaner spray...
Forum: ADS-B 11-15-2020, 10:15 AM
Replies: 20
Views: 2,566
Posted By Lars
Have you considered the SafeFly GPS antenna? I've...

Have you considered the SafeFly GPS antenna? I've installed several SafeFly/Echo combos in the last few years. In two cases the supplied antennas were dead on arrival. One only kinda-sorta which made...
Forum: RV Ongoing Maintenance Issues 11-13-2020, 09:23 PM
Replies: 4
Views: 1,934
Posted By Lars
Likewise, sent you a private message.

Likewise, sent you a private message.
Forum: Rocket 10-02-2020, 11:15 PM
Replies: 7
Views: 2,233
Posted By Lars
Subscribed...

Subscribed...
Forum: My RV Build Project 09-08-2020, 10:50 AM
Replies: 162
Views: 49,529
Posted By Lars
Snipped... How about a photo of the...

Snipped...



How about a photo of the back/bottom of #3 where the baffles wrap around it, looking directly left (perpendicular to fuselage) from the right side?

FWIW I incorporated DanH's baffle...
Forum: RV General Discussion/News 09-06-2020, 08:10 PM
Replies: 31
Views: 7,259
Posted By Lars
LOVE that photo. Wish I could convince my mutt to...

LOVE that photo. Wish I could convince my mutt to chill in the back.
Forum: RV-10 09-06-2020, 08:06 PM
Replies: 23
Views: 5,754
Posted By Lars
Michael, lots of good information as always, but...

Michael, lots of good information as always, but just one thing. That Catalina in the background... how sad...
Forum: Electrical Systems 09-06-2020, 07:59 PM
Replies: 9
Views: 1,393
Posted By Lars
There wasn't much to the mechanical installation...

There wasn't much to the mechanical installation of the alternator itself + bracketry. Were it not for the non-stop parade of well-wishers (to be euphemistic) yesterday I could've done that in 20...
Forum: Electrical Systems 09-06-2020, 06:36 PM
Replies: 9
Views: 1,393
Posted By Lars
following up...

The alternator was toast. No doubt a bad diode, though I haven't had it tested, and don't plan to since I won't be using that type anymore.

After the light came on I was seeing the charging current...
Forum: RV General Discussion/News 09-06-2020, 06:14 PM
Replies: 31
Views: 7,259
Posted By Lars
Unhappy Nothing

My gal and I hoped to escape the horrible smoke in the Sacramento Valley this morning, not to mention the heat... by the time we got to the airport, the visibility was down to around 4000 feet in...
Forum: Electrical Systems 08-31-2020, 02:27 PM
Replies: 9
Views: 1,393
Posted By Lars
Alternator warning light on but alternator still working

Yep, another Plane Power thread. Alternator has been in service for 8 years and about 1000 hours, it's an AL12-EI60/B from before PP was bought up by Hartzell.

Out flying around today trying to get...
Forum: RV General Discussion/News 08-30-2020, 10:47 AM
Replies: 10
Views: 3,075
Posted By Lars
Congratulations, interesting way to think about...

Congratulations, interesting way to think about it.

And just think: If you fly 8 hours a day, 5 days a week, you could be back by next June :cool: Just sayin'...
Forum: My RV Build Project 08-30-2020, 10:42 AM
Replies: 162
Views: 49,529
Posted By Lars
gear leg fairing upper attach

While I was building I observed several RVs with gear legs attached using slits in the fairings at the top, and hose clamps, per plans. Many were cracked.

I attempted a variant (sorry, no pix...
Forum: My RV Build Project 08-25-2020, 03:54 PM
Replies: 162
Views: 49,529
Posted By Lars
An analog input is certainly an option, though I...

An analog input is certainly an option, though I personally would prefer having it on the EIS simply because even though they are a crude thing, they tend to be as reliable as rubber doorstops. When...
Forum: My RV Build Project 08-24-2020, 11:49 PM
Replies: 162
Views: 49,529
Posted By Lars
fuel pressure

James, do you have the 301 ohm resistor feeding 4.8 volts from pin 25 on the EIS to the aux line dedicated to fuel pressure? It was missing on the 4. Also, on that aircraft the sender was installed...
Forum: My RV Build Project 08-17-2020, 06:52 PM
Replies: 162
Views: 49,529
Posted By Lars
I have a coupla thoughts about it, having seen...

I have a coupla thoughts about it, having seen that plane in person, and having spent a bunch of time recently tinkering on your ex-4. Emags can be too advanced, for sure. Though I'll bet that's only...
Forum: My RV Build Project 08-14-2020, 11:46 PM
Replies: 162
Views: 49,529
Posted By Lars
What equipment are you using to monitor fuel...

What equipment are you using to monitor fuel pressure?

Someone, somewhere, makes a small accumulator that's intended to damp the pulses from that Facet pump. Moving it further forward might help a...
Forum: Aircraft Camping 08-14-2020, 07:57 PM
Replies: 69
Views: 23,702
Posted By Lars
Seriously... I spent a couple of nights up there...

Seriously...

I spent a couple of nights up there with a friend about 3 weeks ago. Those same motorhomes were there then. The good folks occupying them are apparently enjoying the life. A great gem...
Forum: RV General Discussion/News 08-07-2020, 11:21 PM
Replies: 45
Views: 12,673
Posted By Lars
You are missing the point of this thread. This...

You are missing the point of this thread. This discussion is about main wheel tires, not nose wheel. 380-150 x 5 tires are substantially larger in diameter than typical 5.00 x 5 tires, and they are...
Forum: RV General Discussion/News 07-30-2020, 11:57 PM
Replies: 45
Views: 12,673
Posted By Lars
FWIW. I took the photo when I replaced my last...

FWIW. I took the photo when I replaced my last pair of Desser Aero Classic 5.00x5's with the first pair of Desser Aero Classic 380x150-5's a few years...
Forum: California 07-15-2020, 10:13 AM
Replies: 9
Views: 1,764
Posted By Lars
Congratulations, Frank!

Congratulations, Frank!
Forum: Glass Cockpit 07-06-2020, 11:50 PM
Replies: 6
Views: 1,808
Posted By Lars
static port accuracy

There is a true airspeed Excel spreadsheet calculator floating around out in the ether. The value is that dynamic (as opposed to test set) static system errors are identified. While your pitot/static...
Forum: Autopilots 06-29-2020, 12:44 AM
Replies: 19
Views: 4,636
Posted By Lars
Describe the failure. I repaired mine, after...

Describe the failure. I repaired mine, after being told it couldn't be fixed. It was a little fiddly but in my case, I got the required part (an RC servomotor) from Amazon for a few bucks.
Forum: Traditional Aircraft Engines 06-16-2020, 06:38 PM
Replies: 21
Views: 3,775
Posted By Lars
Paul, if you can?t find any other way to dispose...

Paul, if you can?t find any other way to dispose of them, I?ll gladly take one off your hands next time our paths cross. Hangar art...
Forum: Electrical Systems 06-15-2020, 04:41 PM
Replies: 22
Views: 3,457
Posted By Lars
What he said.

What he said.
Forum: Electrical Systems 06-15-2020, 04:40 PM
Replies: 22
Views: 3,457
Posted By Lars
True enough. But the BC410-H alternator in...

True enough. But the BC410-H alternator in question is not a permanent magnet alternator. Different animal.
Forum: RV-8/8A 06-15-2020, 04:36 PM
Replies: 9
Views: 1,555
Posted By Lars
To close this out...

Great advice, thank you. It turned out to be the solution. We had been working front to back. When we went the other way this morning we quickly realized we had a lot more trimming do do, which in...
Forum: Electrical Systems 06-15-2020, 10:05 AM
Replies: 22
Views: 3,457
Posted By Lars
Yes, I am enabling the backup field with a...

Yes, I am enabling the backup field with a switch, but strictly speaking it's unnecessary. See also Rick's reply. That enables the regulator but doesn't turn on the alternator.

B&C's architecture...
Forum: Electrical Systems 06-15-2020, 09:05 AM
Replies: 22
Views: 3,457
Posted By Lars
You don't need a field switch for the backup...

You don't need a field switch for the backup alternator, though their wiring diagram shows one. I installed the switch on my RV-7, my neighbor doesn't have one on his RV-14.

Installation...
Forum: RV-8/8A 06-14-2020, 11:34 PM
Replies: 9
Views: 1,555
Posted By Lars
We trimmed this thing minimally. Because of the...

We trimmed this thing minimally. Because of the severe taper at the back, small cuts shorten the canopy substantially. A little bit of trimming with the canopy in its natural (unclamped) state got...
Forum: RV-8/8A 06-13-2020, 10:57 AM
Replies: 9
Views: 1,555
Posted By Lars
RV-8 canopy bubble to frame fit

Hi all-

Helping a friend replace the canopy and windshield on his 2005 RV-8 due to unfortunate circumstances. He is not the original builder; the actual bubble on this aircraft was probably...
Forum: My RV Build Project 04-28-2020, 10:17 PM
Replies: 162
Views: 49,529
Posted By Lars
Something scary

How time flies (ha). That was over 10 years ago. More like 12. Glad to have Mark be the keeper of a very special RV-4.
Forum: My RV Build Project 04-23-2020, 11:24 PM
Replies: 162
Views: 49,529
Posted By Lars
James, the bones of that RV-6 are really nice. It...

James, the bones of that RV-6 are really nice. It won't be an RV-4, and as long as you don't ask it to be one, you won't be disappointed. I can assure you that it will be up to the challenge of being...
Forum: RV General Discussion/News 04-07-2020, 10:11 PM
Replies: 16
Views: 2,277
Posted By Lars
Thanks, Neal. That was a heckuva a dent. After...

Thanks, Neal. That was a heckuva a dent. After getting the tank off today and looking things over, I suspect that drilling off that outboard bottom skin is unavoidable if one wants to use solid...
Forum: RV General Discussion/News 04-07-2020, 09:33 AM
Replies: 16
Views: 2,277
Posted By Lars
A different angle on my original question

Leading edge skin and bent rib removal will probably commence today. I have lots of experience drilling out rivets, so not too concerned about that part.

For those who have done this, how did you...
Forum: RV General Discussion/News 04-06-2020, 03:27 PM
Replies: 16
Views: 2,277
Posted By Lars
Thanks, all. The skin is getting replaced, along...

Thanks, all. The skin is getting replaced, along with the damaged rib. The folks at Van?s think it can be done without having to drill off the outboard bottom skin, which is what I was hoping to...
Forum: RV General Discussion/News 04-05-2020, 08:23 PM
Replies: 16
Views: 2,277
Posted By Lars
Wing leading edge dent

Helped a good friend weigh his pride and joy almost-done RV-14A today. In the process, an error chain got clanking along. Rolled off the scales and an errant wing jack put a big dent in the left...
Forum: Safety 03-19-2020, 11:34 AM
Replies: 29
Views: 4,509
Posted By Lars
Parker 919B hose ("B" is important) is conductive...

Parker 919B hose ("B" is important) is conductive teflon with stainless overbraid. Compatible field-installable fittings are Parker 90 series; they are typically plated steel in a variety of...
Forum: California 03-06-2020, 10:53 PM
Replies: 48
Views: 10,103
Posted By Lars
Weather is looking dicey up this way too. Will...

Weather is looking dicey up this way too. Will check again in the AM, fingers crossed.
Forum: RV General Discussion/News 02-12-2020, 10:06 AM
Replies: 30
Views: 5,860
Posted By Lars
I rescued a friend yesterday with a small Harbor...

I rescued a friend yesterday with a small Harbor Freight aluminum floor jack, a hose clamp and a can of fix-a-flat. The goo inflated the tire and stopped the leak enough that he was able to get off...
Forum: RV General Discussion/News 02-06-2020, 11:25 AM
Replies: 10
Views: 1,278
Posted By Lars
I'd be leery about using one of those on an...

I'd be leery about using one of those on an aircraft. They are made by Pollak. I've been through 3 of them in about 100,000 miles on my truck. A typical failure mode is pulling from one tank and...
Forum: California 01-31-2020, 11:07 PM
Replies: 48
Views: 10,103
Posted By Lars
Will be there, assuming wx better than last year...

Will be there, assuming wx better than last year (or was it the year before, CRS moment). Email sent.
Forum: RV General Discussion/News 01-16-2020, 02:07 PM
Replies: 48
Views: 6,549
Posted By Lars
Lots of beautiful white sand there. Oh. wait...

Lots of beautiful white sand there. Oh. wait...
Forum: Autopilots 01-15-2020, 10:37 PM
Replies: 10
Views: 1,247
Posted By Lars
...for the win. Thanks for that tidbit! Helps me...

...for the win. Thanks for that tidbit! Helps me too :D
Forum: Autopilots 01-15-2020, 10:10 AM
Replies: 10
Views: 1,247
Posted By Lars
Another possibility would be to send the EX back...

Another possibility would be to send the EX back to GRT and have them install the optional serial ports, for a total of 6. That would simplify your wiring, since the serial port expander will consume...
Forum: RV-10 01-01-2020, 07:22 PM
Replies: 18
Views: 3,520
Posted By Lars
This is a simple option if you don't mind the...

This is a simple option if you don't mind the price:

http://www.cleavelandtool.com/RUDDER-TRIM-TAB/productinfo/9883/#.Xg1FeRdKjOQ
Forum: Alternative Engines 12-13-2019, 05:03 PM
Replies: 8
Views: 1,981
Posted By Lars
If you like to tinker...

I know someone who does, and things seem to be working pretty well. The carbon fiber intake manifold he fabricated is pretty cool, too ;)

Have to admit, his experience has softened my stance. Sound...
Forum: RV Friends Who Have Passed On 12-08-2019, 10:05 PM
Replies: 106
Views: 15,360
Posted By Lars
Tom, condolences from us at Team Light Aviation....

Tom, condolences from us at Team Light Aviation. Nothing can erase the loss of your beloved. It's a feeling you get used to, not one you get over. But support for you is broad, and deep.
Forum: RV Ongoing Maintenance Issues 12-03-2019, 09:15 AM
Replies: 31
Views: 7,418
Posted By Lars
Count me among those that think it looks hokey....

Count me among those that think it looks hokey. Etc. But in the end (and actually, it was the beginning since my RV-7 wasn't even flying yet) all the other solutions I was dreaming up seemed too...
Forum: GPS 12-02-2019, 11:48 PM
Replies: 9
Views: 1,257
Posted By Lars
If you ordered it as a standalone unit, it should...

If you ordered it as a standalone unit, it should be wired per the diagram on page 21 of the installation manual. Assuming GRT configured it correctly, the SafeFly should be ok. Configured that way,...
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