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Search: Posts Made By: rv7charlie
Forum: Alternative Engines Today, 11:34 AM
Replies: 20
Views: 6,130
Posted By rv7charlie
I hesitated to comment on the news source, but I...

I hesitated to comment on the news source, but I gave up on his print publication long before he did, due to his increasingly erratic 'reporting' behavior. Never paid any attention to ANN (because of...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) Yesterday, 08:29 AM
Replies: 1
Views: 153
Posted By rv7charlie
Well, if you're doing it today, start with a...

Well, if you're doing it today, start with a semi-truck to carry the cash to buy one.
Forum: ADS-B 11-12-2018, 05:07 PM
Replies: 9
Views: 591
Posted By rv7charlie
Sounds like Tom has empirical data. :-) Sounds...

Sounds like Tom has empirical data. :-) Sounds like other a/c in the area will get a target, but without altitude data; not unlike a non-mode C a/c would appear to a radar: target with ID, but no...
Forum: ADS-B 11-11-2018, 10:18 PM
Replies: 9
Views: 591
Posted By rv7charlie
'academic' ADSB UAT question

An academic question for you ADSB experts:

If a plane has one of the UAT units that 'sniff' the plane's existing mode C transponder output to transmit ADSB traffic info to the world, What happens...
Forum: RV General Discussion/News 11-11-2018, 06:15 PM
Replies: 1
Views: 225
Posted By rv7charlie
Likely all of them. Bob Archer has both comm &...

Likely all of them. Bob Archer has both comm & nav antennas, and variations to fit numerous different wing tips, that have varying space for the antenna.
Forum: RV-10 11-11-2018, 05:40 PM
Replies: 4
Views: 383
Posted By rv7charlie
If it's truly a defective cowl, Shouldn't Van's...

If it's truly a defective cowl, Shouldn't Van's make it good?
Forum: RV-7/7A 11-11-2018, 11:24 AM
Replies: 8
Views: 302
Posted By rv7charlie
Once riveted, that gap will all but disappear....

Once riveted, that gap will all but disappear. But if it really bothers you, you could joggle the firewall flange slightly in that spot, using a couple of aluminum sheet scraps and seaming pliers....
Forum: RV General Discussion/News 11-10-2018, 01:19 PM
Replies: 106
Views: 14,873
Posted By rv7charlie
Good data, but... It may be an important detail...

Good data, but... It may be an important detail that your system's regulator bypasses to the tank, vs the typical boost pump>engine-driven pump that most users have installed. I suspect that the 'no...
Forum: Glass Cockpit 11-09-2018, 07:48 PM
Replies: 9
Views: 4,019
Posted By rv7charlie
Hey Dave, I'm revisiting the Kwik EFIS app, in...

Hey Dave,

I'm revisiting the Kwik EFIS app, in light of recently hearing about the AHARS features in newer Stratux hardware. Any chance there will be hardware in the future that will add true air...
Forum: RV-14 11-09-2018, 01:01 PM
Replies: 6
Views: 423
Posted By rv7charlie
I think he's talking about the fuselage.

I think he's talking about the fuselage.
Forum: RV-14 11-09-2018, 11:04 AM
Replies: 6
Views: 423
Posted By rv7charlie
I suspect that one reason for doing that skin...

I suspect that one reason for doing that skin early is that if you fit the canopy prior to riveting (just using clecos), everything can move and change the fit-up when you rivet.

I looked at using...
Forum: RV-10 11-09-2018, 10:11 AM
Replies: 7
Views: 416
Posted By rv7charlie
Just a heads-up on ground planes. All the sources...

Just a heads-up on ground planes. All the sources I've found indicate that patch antennas (what we typically see for GPS) contain their own ground plane.
One...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-08-2018, 02:26 PM
Replies: 2
Views: 661
Posted By rv7charlie
And your website is: ?

And your website is: ?
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-08-2018, 10:02 AM
Replies: 7
Views: 310
Posted By rv7charlie
It's an off the shelf gauge; you just need the...

It's an off the shelf gauge; you just need the right pressure range.

https://www.google.com/search?q=magnehelic+gauge&oq=magnahelic&aqs=chrome.2.69i57j0l5.7747j0j7&sourceid=chrome&ie=UTF-8

There...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-07-2018, 08:32 PM
Replies: 7
Views: 310
Posted By rv7charlie
Have you seen http://www.barkeraircraft.com/ The...

Have you seen
http://www.barkeraircraft.com/

The AOA is about halfway down the page. It was featured in one of the aviation mags a number of years ago. Works like the AOA on jets; the vane always...
Forum: Electrical Systems 11-07-2018, 06:31 PM
Replies: 10
Views: 810
Posted By rv7charlie
It'll work fine, but try not to overthink stuff...

It'll work fine, but try not to overthink stuff like this. You can achieve the same thing using a straight 8ga butt splice, and adding a bit of stranded wire to the 12ga fuse link wire, to get...
Forum: RV-4 11-07-2018, 02:28 PM
Replies: 10
Views: 589
Posted By rv7charlie
Well... PM sent to Finn & Scott.

Well...

PM sent to Finn & Scott.
Forum: RV-4 11-07-2018, 08:02 AM
Replies: 10
Views: 589
Posted By rv7charlie
It would be a shame to trash them. Hey Finn,...

It would be a shame to trash them. Hey Finn, you're not that far away. You feel like storing them until someone could pick them up?
:-)

Charlie
Slobovia Outernational
Forum: RV General Discussion/News 11-07-2018, 07:57 AM
Replies: 15
Views: 885
Posted By rv7charlie
Painter's tape spanning the cutting area, with...

Painter's tape spanning the cutting area, with sharpie marks on the tape??
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-07-2018, 07:44 AM
Replies: 7
Views: 1,004
Posted By rv7charlie
Actually, parts of two. And I agree. And one of...

Actually, parts of two. And I agree. And one of them was the model with the 'sea plane door', which is apparently, not very common.

Fortunately, there's a pretty good chance that one will eventually...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 11-06-2018, 11:17 PM
Replies: 7
Views: 1,004
Posted By rv7charlie
Glad you had a good time; I hope we can mount a...

Glad you had a good time; I hope we can mount a counter-attack sometime soon. And one of these days, I want the nickel tour of that grey ghost you fly.

Charlie
Forum: RV-4 11-05-2018, 06:33 PM
Replies: 16
Views: 3,607
Posted By rv7charlie
Are the aluminum angles around the firewall...

Are the aluminum angles around the firewall 'straight', and the steel weldments inside the fuselage + the motor mount crack free? If so, the only danger is CO entering the cockpit if the cracks allow...
Forum: Traditional Aircraft Engines 11-04-2018, 11:26 PM
Replies: 27
Views: 3,879
Posted By rv7charlie
Revenge of the Slobovians for that invasion...

Revenge of the Slobovians for that invasion yesterday!


The guy who sold me the O-360 that never made it into my -7 told me about fighting sagging isolators on an aerobatic biplane. Said that they...
Forum: Places To Fly...Things to See...Things to Eat 11-02-2018, 10:52 PM
Replies: 7
Views: 1,105
Posted By rv7charlie
No, but they are bomber fuel....

No, but they are bomber fuel....
Forum: RV-10 11-02-2018, 04:44 PM
Replies: 7
Views: 692
Posted By rv7charlie
Yeah, that's what I was thinking, but was too big...

Yeah, that's what I was thinking, but was too big a sissy to say out loud...
Forum: RV General Discussion/News 11-01-2018, 08:44 PM
Replies: 6
Views: 372
Posted By rv7charlie
It does sand pretty easily once fully cured. I...

It does sand pretty easily once fully cured. I used it instead of fiberglass for the windshield fairing on my tipup -7, and it was much nicer to work with than fiberglass.

Charlie
Forum: RV General Discussion/News 11-01-2018, 04:18 PM
Replies: 26
Views: 1,578
Posted By rv7charlie
Obviously, for profit. But ownership? You...

Obviously, for profit. But ownership? You...
Forum: Traditional Aircraft Engines 11-01-2018, 03:50 PM
Replies: 8
Views: 915
Posted By rv7charlie
Saay whaaaat? Do Superior engines have...

Saay whaaaat? Do Superior engines have dylithium crystals or something now, so they can convert avgas directly to mechanical energy & skip that pesky heat step?

Sounds like what they're *really*...
Forum: RV General Discussion/News 11-01-2018, 03:24 PM
Replies: 26
Views: 1,578
Posted By rv7charlie
What's different, other than scale & zeros on the...

What's different, other than scale & zeros on the check, between an LLC that sells a tiny share for access, and an organization like NetJets (other than the LLC vs corp vs ??)?
Forum: Electrical Systems 10-30-2018, 04:47 PM
Replies: 36
Views: 2,008
Posted By rv7charlie
edit: I realized I didn't answer your question....

edit: I realized I didn't answer your question. If nothing looks like it could have touched the bus, and you can turn on and operate everything on the bus without blowing any fuses, do any of the...
Forum: Electrical Systems 10-30-2018, 03:04 PM
Replies: 36
Views: 2,008
Posted By rv7charlie
No correction for less than perfect efficiency,...

No correction for less than perfect efficiency, assuming a 'switcher' voltage converter. Could be anywhere from 95% (highly unlikely) to 50-60%.

And no guarantee it's a switcher; some of the 'super...
Forum: RV-14 10-30-2018, 01:27 PM
Replies: 4
Views: 530
Posted By rv7charlie
Order the avionics when you have nothing left to...

Order the avionics when you have nothing left to do, unless you'll be happy with what you buy today. Otherwise, you'll be selling what you bought for peanuts and buying avionics again....

Several...
Forum: RV General Discussion/News 10-30-2018, 12:56 PM
Replies: 47
Views: 1,887
Posted By rv7charlie
Fusible links have a *VERY* long time constant...

Fusible links have a *VERY* long time constant unless there's a catastrophic fault, meaning a dead short to ground between the link and (in your case) the CB. Be aware that current ratings for wire...
Forum: Electrical Systems 10-30-2018, 10:37 AM
Replies: 36
Views: 2,008
Posted By rv7charlie
Good to hear that you intend to fully understand...

Good to hear that you intend to fully understand your plane's electrical architecture before venturing out again.

It really does sound like you unknowingly added excessive load to the E-bus....
Forum: RV General Discussion/News 10-30-2018, 10:11 AM
Replies: 47
Views: 1,887
Posted By rv7charlie
Larry, There are off-the-shelf devices...

Larry,

There are off-the-shelf devices available that will do what you want. Commonly used term is 'current limiter' (horrible term, but there you go). They have much longer time constants than...
Forum: RV General Discussion/News 10-29-2018, 05:11 PM
Replies: 47
Views: 1,887
Posted By rv7charlie
Like, don't load the ebus with more than the...

Like, don't load the ebus with more than the feeder is fused for, and make sure that the downstream fuses aren't anywhere close to the value of the feeder fuse, and reasonable care that you can't...
Forum: RV General Discussion/News 10-29-2018, 03:06 PM
Replies: 13
Views: 964
Posted By rv7charlie
I use an ancient natural gas space heater in the...

I use an ancient natural gas space heater in the winter. Works fine, but I make sure that there's plenty of fresh air available to the heater; something you will need to do with the kerosene heater,...
Forum: RV-12 10-29-2018, 02:20 PM
Replies: 12
Views: 1,311
Posted By rv7charlie
thread drift...

Only way to *know* whether you needed one is to do a load test. Charge it, hook up your typical in-flight load, and time it to Odyssey's spec for 'fully discharged' (IIRC, it's somewhere around...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-29-2018, 09:52 AM
Replies: 2
Views: 679
Posted By rv7charlie
The anti-Ex Lax?

The anti-Ex Lax?
Forum: RV General Discussion/News 10-29-2018, 09:05 AM
Replies: 47
Views: 1,887
Posted By rv7charlie
Kay, Going back to your original question........

Kay,

Going back to your original question..... :-)

First, you really should ask that kind of question over on the Matronics Aeroelectric List, instead of here. The reason should be obvious from...
Forum: Alternative Engines 10-28-2018, 10:33 PM
Replies: 126
Views: 17,797
Posted By rv7charlie
To be sure we're on the same page, when you say...

To be sure we're on the same page, when you say bypass, do you mean from the water pump output back to somewhere on the block, without going through the radiator? If the answer is yes, is there any...
Forum: RV-7/7A 10-28-2018, 03:13 PM
Replies: 2
Views: 353
Posted By rv7charlie
The fuselage from tailwheel to prop flange will...

The fuselage from tailwheel to prop flange will fit inside of 21'.
http://www.vansaircraft.com/public/rv7specs.htm

My primary build space is roughly 21' x 24', and has ~5x6 foot corner removed for...
Forum: RV Building Tips/Techniques 10-28-2018, 07:51 AM
Replies: 8
Views: 665
Posted By rv7charlie
I've never used that epoxy, so I looked it up. No...

I've never used that epoxy, so I looked it up. No doubt it works fine when applied by humble humans like us, but did you read the recommended surface prep for aluminum?...
Forum: RV Building Tips/Techniques 10-27-2018, 08:43 PM
Replies: 8
Views: 665
Posted By rv7charlie
My bad; I should have been clearer, & I mis-read...

My bad; I should have been clearer, & I mis-read the posts. I thought the OP was using or copying Van's original brackets for the original wheel pants. I have the original pants, & replaced the...
Forum: RV Building Tips/Techniques 10-27-2018, 07:16 PM
Replies: 8
Views: 665
Posted By rv7charlie
edit: see correction in later post. Check in...

edit: see correction in later post.


Check in again in a few hundred hours of flight time, after you replace the cracked stock aluminum material with stainless sheet or 1/8" aluminum. :-)

I...
Forum: RV Building Tips/Techniques 10-27-2018, 07:10 PM
Replies: 13
Views: 1,002
Posted By rv7charlie
Sean, What do your James Cowl instructions say...

Sean,

What do your James Cowl instructions say to do? Mine instructed me to fit and install the top cowl first. That obviously meant that it had to be attached to the fuselage in a stable manner, in...
Forum: RV General Discussion/News 10-27-2018, 12:25 PM
Replies: 47
Views: 1,887
Posted By rv7charlie
So, who's defining 'essential bus' (or 'endurance...

So, who's defining 'essential bus' (or 'endurance bus')?

From the Aeroelectric Connection book:

A Short Discussion on the “Endurance” Bus
For a number of years the ENDURANCE bus was called...
Forum: RV General Discussion/News 10-27-2018, 11:30 AM
Replies: 47
Views: 1,887
Posted By rv7charlie
Ed, That 6" spec was for *un*-fused (unprotected)...

Ed,
That 6" spec was for *un*-fused (unprotected) feeders.

The 'essential bus' came about precisely to deal with alternator failure, and not for 'large' a/c; not very many homebuilts could be...
Forum: Electrical Systems 10-26-2018, 08:34 PM
Replies: 5
Views: 344
Posted By rv7charlie
That's always a good idea. Do you have any data...

That's always a good idea.

Do you have any data recording? Any idea what the voltage was doing when you saw the higher current readings? Was it spiking up, or down?
Forum: RV Building Tips/Techniques 10-26-2018, 05:47 PM
Replies: 13
Views: 1,002
Posted By rv7charlie
After spending all but about 1 year since 1994...

After spending all but about 1 year since 1994 with RV cowl hinges, I see no reason to spend extra $hundreds on 1/4 turn fasteners that tend to fall out & get lost. ;-) Some say potato...

You're...
Forum: RV-12 10-25-2018, 07:15 PM
Replies: 33
Views: 2,818
Posted By rv7charlie
Before anything else, I should say that a good...

Before anything else, I should say that a good friend of mine actually had a fuel fire while fueling his -6A from cans. He was fortunate; it did no damage. He had fire around the filler neck (quickly...
Forum: RV-12 10-25-2018, 11:06 AM
Replies: 33
Views: 2,818
Posted By rv7charlie
Just out of curiosity, what's the pump body...

Just out of curiosity, what's the pump body material? Functionally, it looks very similar to
https://www.harborfreight.com/dual-direction-barrel-pump-40844.html
which says 'not for gasoline', but...
Forum: RV-12 10-24-2018, 10:58 PM
Replies: 33
Views: 2,818
Posted By rv7charlie
I'm sure that Rotax has good reason to be that...

I'm sure that Rotax has good reason to be that conservative in their recommendation. However, I can say from experience that E-free premium mogas works well in a 160 hp (higher, 8.5-1 compression)...
Forum: COMM 10-24-2018, 09:43 PM
Replies: 9
Views: 482
Posted By rv7charlie
Agree that chasing ground loops can be tough. In...

Agree that chasing ground loops can be tough. In this particular case, having that 'floating' shield daisy chained likely won't make any difference, but it implies paralleling the mics & headphone...
Forum: Midwest 10-24-2018, 09:06 PM
Replies: 24
Views: 1,912
Posted By rv7charlie
Just don't be buying any cigarettes from any...

Just don't be buying any cigarettes from any hippie looking guys...

and enjoy the REK show.

Charlie
Forum: COMM 10-24-2018, 07:44 PM
Replies: 9
Views: 482
Posted By rv7charlie
But you need four; one for each mic and one for...

But you need four; one for each mic and one for each headphone.
Forum: COMM 10-24-2018, 07:08 PM
Replies: 9
Views: 482
Posted By rv7charlie
Are you running 6 conductor shielded from the...

Are you running 6 conductor shielded from the intercom to the 1st pair of jacks? Looking at the wiring diagram, each input and output has its own pair of hi/lo terminals. The lo terminals are almost...
Forum: Electrical Systems 10-24-2018, 05:25 PM
Replies: 12
Views: 937
Posted By rv7charlie
There's a chart in the Odyssey doc I linked that...

There's a chart in the Odyssey doc I linked that specs storage time vs temperature, before charging is needed. Worth a look.
Forum: Alternative Engines 10-24-2018, 05:17 PM
Replies: 126
Views: 17,797
Posted By rv7charlie
Bill, No argument about theory, but most of the...

Bill,

No argument about theory, but most of the rotary guys don't run a thermostat, as I mentioned. (Lycs typically don't either, for the primary cooling path). The ones that do run a thermostat,...
Forum: RV General Discussion/News 10-24-2018, 04:17 PM
Replies: 106
Views: 14,873
Posted By rv7charlie
I'm another in the 'be prepared & don't sweat it'...

I'm another in the 'be prepared & don't sweat it' camp. I'd never tell someone else to do something they can't get comfortable with, but it's a very common practice in some circles. I flew a Swift...
Forum: Electrical Systems 10-24-2018, 03:02 PM
Replies: 12
Views: 937
Posted By rv7charlie
You're fortunate it still works; many have had...

You're fortunate it still works; many have had very short lived Odysseys from using sustainer chargers. Many chargers like that will repeatedly 'top off' the battery, and every time they do it, it's...
Forum: Alternative Engines 10-24-2018, 01:26 PM
Replies: 126
Views: 17,797
Posted By rv7charlie
Charlie, I know nothing about your engine, but...

Charlie,

I know nothing about your engine, but some water cooled engines can be really tough to 'burp'. If you're boiling coolant, any chance you haven't cleared all the air from the engine itself?...
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