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Search: Posts Made By: Aluminum
Forum: COMM 04-02-2020, 05:31 PM
Replies: 7
Views: 1,007
Posted By Aluminum
Same problem here. I see this...

Same problem here.

I see this (https://www.skygeek.com/flight-line-fu4020721y-fuse-fl-760.html) replacement fuse offered for sale on SkyGeek, but no instructions. Photo anyone?
Forum: RV Building Tips/Techniques 03-26-2020, 05:50 PM
Replies: 126
Views: 88,714
Posted By Aluminum
As long as you don't use Harbor Freight...

As long as you don't use Harbor Freight abrasives. :)

3M stuff works really fast and doesn't shed grit like cheap paper.

There are some specialty discs (https://www.ebay.com/itm/261530036269)for...
Forum: VAF Classifieds (posts in here deleted after 30 days) 03-13-2020, 10:38 AM
Replies: 1
Views: 324
Posted By Aluminum
$50 shipped takes it.

$50 shipped takes it.
Forum: VAF Classifieds (posts in here deleted after 30 days) 03-06-2020, 09:01 AM
Replies: 1
Views: 324
Posted By Aluminum
FS: Dynon SV-GPS-250

The "non-2020" version of the GPS antenna for Dynon Skyview. Flown for 100 hours, works well. $70 obo shipped.

https://i.postimg.cc/qMKKZr6V/IMG-20200306-075416.jpg
Forum: Safety 03-05-2020, 03:14 PM
Replies: 20
Views: 3,247
Posted By Aluminum
I just encountered a similar problem after an...

I just encountered a similar problem after an extended downtime: about five seconds after engine start the Skyview EMS voltage measurement would drop below 9V and the display would shut down. This...
Forum: Glass Cockpit 03-04-2020, 09:58 PM
Replies: 3
Views: 506
Posted By Aluminum
Thanks for the clarifications! If I understand...

Thanks for the clarifications!

If I understand the protocols correctly, with this setup the GTN would not be able to "send" frequencies to a GTR 200? Need G3X for that?
Forum: RV-14 03-04-2020, 08:45 PM
Replies: 7
Views: 605
Posted By Aluminum
Same here, ended up with 1/4" gap on one of the...

Same here, ended up with 1/4" gap on one of the templates. Looks good and there's still plenty of clearance to the vstab. Leave it and move on to much more baffling problems that are coming your way....
Forum: Glass Cockpit 03-04-2020, 12:05 PM
Replies: 3
Views: 506
Posted By Aluminum
G5 with GTN 625 and GSA 28 capabilities

I'm sure it's in the documentation, but sure not easy to figure out:

If I use the G5 (without G3X) to drive the autopilot servos using input from GTN 625, will it fly a coupled LPV to minimums, or...
Forum: RV-14 02-19-2020, 09:10 AM
Replies: 7
Views: 659
Posted By Aluminum
Make sure you order the W-00026 template with the...

Make sure you order the W-00026 template with the fuse, you'll need it in a couple of spots. It normally ships in the wing kit.
Forum: RV-10 02-18-2020, 12:35 AM
Replies: 8
Views: 786
Posted By Aluminum
Much simpler! Any self-etching primer with zinc...

Much simpler! Any self-etching primer with zinc in it will do the duty for a looong time; here's one...
Forum: RV-14 02-13-2020, 09:30 AM
Replies: 19
Views: 3,326
Posted By Aluminum
After re-reading the -14 instructions, I think I...

After re-reading the -14 instructions, I think I understand the problem now.
The torque specified is not the belleville nut clamping torque, but the fork turning torque. The variation is caused by...
Forum: RV-14 02-12-2020, 10:10 PM
Replies: 19
Views: 3,326
Posted By Aluminum
There seem to be two separate issues here:...

There seem to be two separate issues here: effective torque at installation time--which can double with lubrication--and corrosion protection in the future.

If the designer specifies dry torque for...
Forum: Instrument Flight Rules 02-06-2020, 11:48 PM
Replies: 17
Views: 2,913
Posted By Aluminum
LOL! I'll bring paper charts and E6B to the...

LOL! I'll bring paper charts and E6B to the checkride too! :D
Forum: Instrument Flight Rules 02-06-2020, 11:21 PM
Replies: 17
Views: 2,913
Posted By Aluminum
That is a question of a different nature: do I...

That is a question of a different nature: do I have the skill, experience and attitude to avoid entering conditions where I don't have an out in case of hardware failure. The answer, of course, will...
Forum: Instrument Flight Rules 02-05-2020, 12:22 PM
Replies: 17
Views: 2,913
Posted By Aluminum
IFR ticket without NAV

Could one complete the entire IFR training and checkride without a NAV radio?

As in, an RV with only a 625 or 355 Garmin. Would e.g. "GPS", "GPS circling" and "LPV" count as "three different...
Forum: Painting your RV 02-04-2020, 08:57 AM
Replies: 7
Views: 1,241
Posted By Aluminum
Generally speaking, higher pressure at the nozzle...

Generally speaking, higher pressure at the nozzle makes finer droplets which leave a superior (as in smoother) finish, but are less environmentally and bank-friendly as more paint ends up where you...
Forum: RV-14 02-02-2020, 01:44 PM
Replies: 23
Views: 3,258
Posted By Aluminum
I think this one takes the cake then. Thanks for...

I think this one takes the cake then.

Thanks for the idea! OUNCES saved!
Forum: RV-14 02-01-2020, 01:55 PM
Replies: 23
Views: 3,258
Posted By Aluminum
Right, not debating the amazingly beautiful...

Right, not debating the amazingly beautiful perfection of that placement, but rather wondering what to do with the extra hole now that GTX 45R all but obsoleted it.

One idea is to reuse that tail...
Forum: RV-14 02-01-2020, 11:04 AM
Replies: 23
Views: 3,258
Posted By Aluminum
COM antenna under tail

Any reason not to put a bent-whip COM antenna back in those F-01479 holes using the existing coax? It would serve double duty as tail strike early warning system. ;)
Forum: RV-14 02-01-2020, 07:48 AM
Replies: 17
Views: 4,117
Posted By Aluminum
Closer to 40 each of the SB750-10: look on page...

Closer to 40 each of the SB750-10: look on page 55-03, plus one for ELT antenna cable through F-01406A-L. Also, two extra SB625-7 for extra rudder cable cushion, if you choose to go that route.

Why...
Forum: RV-14 08-27-2019, 08:34 AM
Replies: 8
Views: 2,768
Posted By Aluminum
Recent discussion here...

Recent discussion here (http://www.vansairforce.com/community/showthread.php?t=159638&page=2). See my departure from "standard practice" in post #13.
Forum: RV General Discussion/News 08-13-2019, 06:34 PM
Replies: 16
Views: 2,742
Posted By Aluminum
I'll update if I dig up the thread on here, but...

I'll update if I dig up the thread on here, but here are two data sheets google pulls up, one from 2012 (http://www.ifa.hawaii.edu/instr-shop/SDS/Simple%20Green.pdf) and a more recent one from 2014...
Forum: RV General Discussion/News 08-13-2019, 01:53 PM
Replies: 16
Views: 2,742
Posted By Aluminum
As we found out in another recent thread, per...

As we found out in another recent thread, per MSDS the new formula for Simple Green got rid of phosphates which used to do the degreasing part. One cheap and doubt-free option is to buy phosphate...
Forum: Safety 08-03-2019, 11:38 AM
Replies: 19
Views: 2,986
Posted By Aluminum
I doubt a thermal would do that, but wake...

I doubt a thermal would do that, but wake turbulence from a heavy certainly could. The one time I encountered it in a Piper, in the middle of proverbial nowhere at many thousands of feet on a...
Forum: Safety 07-29-2019, 09:27 AM
Replies: 16
Views: 4,012
Posted By Aluminum
The "TAR" method typically results in...

The "TAR" method typically results in overtorquing of small bolts and undertorquing of large ones--most of us are surprisingly bad at feeling absolute values of force.

If instead you attach a...
Forum: RV General Discussion/News 07-19-2019, 09:08 AM
Replies: 14
Views: 2,511
Posted By Aluminum
Your local liquor store probably sells Everclear,...

Your local liquor store probably sells Everclear, which is 75% ethanol 25% water with edible impurities, extracted from fermented grains. Totally worth the liquor tax for use as cleaner. Much...
Forum: RV General Discussion/News 07-11-2019, 06:51 PM
Replies: 29
Views: 4,241
Posted By Aluminum
If you topcoat with this...

If you topcoat with this (https://store.southernpaintandsupply.com/psx700-high-performance-engineered-siloxane-gallon-kit/) your paint won't fade much in your lifetime.
Forum: RV Ongoing Maintenance Issues 06-03-2019, 07:32 PM
Replies: 23
Views: 3,376
Posted By Aluminum
You meant higher? From the documents you linked...

You meant higher? From the documents you linked (same ones I use):

Prop AN4 torque 120-140 in*lbs
Regular AN4-on-aluminum torque 50-70 in*lbs

So, same bolt on prop is set closer to 80% of tensile...
Forum: RV Ongoing Maintenance Issues 06-03-2019, 07:19 PM
Replies: 23
Views: 3,376
Posted By Aluminum
In a word: galling. Cadmium lubricates. The price...

In a word: galling. Cadmium lubricates. The price of new bolts is not worth the sweat of maybe having to re-ream the spars...

Edit: also, cadmium narrows the effective torque transfer; old...
Forum: RV Ongoing Maintenance Issues 06-03-2019, 12:10 PM
Replies: 23
Views: 3,376
Posted By Aluminum
Dave, while the spirit of your comment is...

Dave, while the spirit of your comment is correct, the wording could have been better. There most certainly exist joints widely used in aeronautics that transmit essentially all the power between...
Forum: RV General Discussion/News 04-01-2019, 02:46 PM
Replies: 35
Views: 4,280
Posted By Aluminum
How about: - a portable COM/NAV radio with...

How about:
- a portable COM/NAV radio with ILS/LOC reception, always fully charged in your flight bag, and
- a BRS parachute

I'd bet a $1 that if you intersected the total number of approaches to...
Forum: RV-14 03-15-2019, 12:46 AM
Replies: 5
Views: 2,556
Posted By Aluminum
Much appreciated! :cool:

Much appreciated! :cool:
Forum: RV-14 03-14-2019, 06:50 PM
Replies: 5
Views: 2,556
Posted By Aluminum
The links don't work anymore. If you still have...

The links don't work anymore. If you still have those parts lists, could you cut&paste here as plain text? Thanks!
Forum: RV Building Tips/Techniques 12-12-2018, 05:38 PM
Replies: 15
Views: 3,291
Posted By Aluminum
This is odd. What brand of remover? You want one...

This is odd. What brand of remover? You want one based on dichloromethane, like this one: https://www.homedepot.com/p/Jasco-1-Qt-Premium-Paint-and-Epoxy-Remover-QJBP00202/202247418.
Wear...
Forum: Painting your RV 11-11-2018, 11:42 AM
Replies: 6
Views: 976
Posted By Aluminum
If you want it *really* shiny you could silver it...

If you want it *really* shiny you could silver it then topcoat the silver:

https://angelgilding.com/kits-chemicals/spray-silver.html

You can use the urethane topcoat supplied in their spray chrome...
Forum: Tools 11-07-2018, 10:17 AM
Replies: 20
Views: 2,428
Posted By Aluminum
Interesting: which fiberglass parts did you cut...

Interesting: which fiberglass parts did you cut with a bandsaw? On my two projects I can't think of a single fiberglass part that would lend itself to proper workholding on a bandsaw.

Diamond dremel...
Forum: Tools 11-06-2018, 07:07 PM
Replies: 20
Views: 2,428
Posted By Aluminum
Mine has been great. I wear hearing protection...

Mine has been great. I wear hearing protection and use the supplied wood blade for all the aluminum extrusions without lubricant. :p

Minimal assembly. As with all things HF, check your unit...
Forum: RV-14 11-05-2018, 09:09 AM
Replies: 25
Views: 6,151
Posted By Aluminum
I'm partial to Boeshield T-9...

I'm partial to Boeshield T-9 (https://www.rei.com/product/759028/boeshield-t-9-bicycle-lubricant-4-oz); makes dry film and lasts for ever.

I'm curious has anyone tried "seasoning" the hinges using...
Forum: RV-14 11-04-2018, 09:11 AM
Replies: 4
Views: 1,383
Posted By Aluminum
One guideline you might use is the tensile...

One guideline you might use is the tensile strength of gelcoat (~11000 psi) or epoxy (~12000 psi) which would put the spec in the vicinity of 6 in*lbs for AN3 or 12 in*lbs for AN4 in excess of any...
Forum: Interiors 10-28-2018, 11:38 AM
Replies: 10
Views: 1,978
Posted By Aluminum
FWIW: Comforfoam is like the "memory foam"...

FWIW: Comforfoam is like the "memory foam" mattresses, some love it some hate it. I did DIY and tried several foams. My favorite cushion ended up being regular foam in two firmnesses.

Memory foam...
Forum: RV Ongoing Maintenance Issues 10-25-2018, 03:12 PM
Replies: 16
Views: 3,500
Posted By Aluminum
This is true but not pertinent to the...

This is true but not pertinent to the calculation.

Keep in mind that your airplane has to survive > 100 mph gusts from any direction while tied down outside. The force and torque the stab attach is...
Forum: RV-14 10-25-2018, 12:37 PM
Replies: 60
Views: 15,681
Posted By Aluminum
Thanks for your insight Greg! Has it been...

Thanks for your insight Greg!



Has it been determined beyond doubt that the particular case of skin cracking addressed by this SB is vibration fatigue as opposed to a hard landing? A single cycle...
Forum: Glass Cockpit 10-23-2018, 08:51 AM
Replies: 9
Views: 1,659
Posted By Aluminum
While everyone's situation is different, for...

While everyone's situation is different, for sport flying I would typically not want to "just go fly" when there is actual IFR weather--especially in vertical development in a 1000lb airplane! The...
Forum: Glass Cockpit 10-23-2018, 08:33 AM
Replies: 9
Views: 1,659
Posted By Aluminum
Thanks for chiming in Rainier! While the...

Thanks for chiming in Rainier!

While the hardware is clearly capable, the key word here is "Approved", as in the regs only make the self-logged approaches legal if the device itself is approved as...
Forum: Glass Cockpit 10-21-2018, 02:43 PM
Replies: 331
Views: 109,357
Posted By Aluminum
+1, excellent!

+1, excellent!
Forum: Glass Cockpit 10-21-2018, 02:37 PM
Replies: 9
Views: 1,659
Posted By Aluminum
Approved sim for home use

Now that the letter of the law has been changed to allow maintaining IFR currency in simulator alone, wouldn't it be cool if DyGarNin released a "sim-only" version of SkyViewG1000X with a bunch of...
Forum: RV-14 10-19-2018, 11:22 AM
Replies: 34
Views: 5,369
Posted By Aluminum
I think you misunderstood my meaning: I tapped...

I think you misunderstood my meaning: I tapped fewer than a dozen nutplates on my two builds, and those mostly for convenience--I'm quite careful with installation and will redo if it's not...
Forum: RV-14 10-19-2018, 11:15 AM
Replies: 34
Views: 5,369
Posted By Aluminum
Absolutely! If there is any doubt whether it...

Absolutely! If there is any doubt whether it wants to move, I glue it. And throw away used fasteners too--remember the tragedy at Reno. It's really not that much of a hassle, trace amounts will do...
Forum: RV-14 10-19-2018, 10:10 AM
Replies: 34
Views: 5,369
Posted By Aluminum
I don't doubt that this is true, but our...

I don't doubt that this is true, but our run-of-the-mill K1000-08 nutplates almost certainly don't fall into this category. It's good that you called me on it as I went to find the tensile/shear spec...
Forum: RV-14 10-19-2018, 09:08 AM
Replies: 34
Views: 5,369
Posted By Aluminum
Spinner is indeed a special case, as those are...

Spinner is indeed a special case, as those are the most highly stressed nutplated joints on the entire airplane!

Keep in mind that methacrylate-based threadlockers such as Loctite 242 do need...
Forum: RV-14 10-19-2018, 01:26 AM
Replies: 34
Views: 5,369
Posted By Aluminum
Nutplates are not normally used for joints that...

Nutplates are not normally used for joints that require the full bolt strength. They do not perform as well as a regular nut whose threads come up to the material. An easy way to tell is if the bolt...
Forum: RV-14 10-18-2018, 08:20 PM
Replies: 34
Views: 5,369
Posted By Aluminum
Run a tap through the nutplate after...

Run a tap through the nutplate after installation.

Depending on your riveting technique, sometimes the alignment with the hole can be slightly off, resulting in interference at the nominal thread...
Forum: RV-14 10-17-2018, 11:33 PM
Replies: 15
Views: 2,434
Posted By Aluminum
NPT tap

If that fails, drill to just under thread size, then use an NPT tap to chase the threads.

I had a similar thing happen to me when trying to remove a leaky fuel tank fitting and was able to perform a...
Forum: RV-12/RV-12iS 10-16-2018, 11:09 PM
Replies: 14
Views: 2,608
Posted By Aluminum
Contamination or under-torquing was unlikely, as...

Contamination or under-torquing was unlikely, as all four threads of two different sizes and fitting geometries failed in the same way. I figured it might have been a bad tube of Permatex, but see...
Forum: RV-12/RV-12iS 10-16-2018, 04:02 PM
Replies: 14
Views: 2,608
Posted By Aluminum
I used permatex #2 as recommended by a certain...

I used permatex #2 as recommended by a certain Australian engine company to seal the NPT threads on oil cooler fittings. All four fittings leaked after a few months. A few years later I got tired of...
Forum: RV General Discussion/News 10-14-2018, 09:09 PM
Replies: 15
Views: 2,465
Posted By Aluminum
LoL! Time for an update, then. :D Yes, my...

LoL! Time for an update, then. :D




Yes, my main worry are the newer MS nuts: dry steel on steel stiction is about 100% higher than friction (can't find measurements for cadmium, perhaps someone...
Forum: RV General Discussion/News 10-14-2018, 05:14 PM
Replies: 15
Views: 2,465
Posted By Aluminum
Agreed, however: Uhh NO! This way you'd be...

Agreed, however:



Uhh NO! This way you'd be measuring the stiction (https://www.linearmotiontips.com/8-commonly-misused-engineering-terms-explained/) of the entire assembly, not the extra drag...
Forum: RV-14 10-12-2018, 05:19 PM
Replies: 4
Views: 1,240
Posted By Aluminum
Not mandatory, but preferred. See step 8 on...

Not mandatory, but preferred. See step 8 on 29-14: "Back rivet the flush rivets where practical."

You can convince yourself by taking a highly polished sheet of scrap and riveting it to a rib of...
Forum: RV Ongoing Maintenance Issues 10-12-2018, 05:04 PM
Replies: 11
Views: 1,266
Posted By Aluminum
This is not normal. On my setup I had to install...

This is not normal. On my setup I had to install a cap in series with the tank plates to bring the swing into the 0-5V output range of the Dynon converter. My plates are bigger than Van's though.

I...
Forum: RV-14 10-11-2018, 08:08 PM
Replies: 4
Views: 1,240
Posted By Aluminum
I deviated from Van's sequence here pretty much...

I deviated from Van's sequence here pretty much as you described: back-riveted everything working my way out from the upper drag fitting with the skin on the fuselage. Came out neat, no pillowing....
Forum: Primers 10-04-2018, 11:44 AM
Replies: 18
Views: 2,519
Posted By Aluminum
Consider using Van's recommended Sherwin-Williams...

Consider using Van's recommended Sherwin-Williams self-etching primer instead (P60G2). Simply degrease and shoot whenever, no scuffing required.

Splatter is probably caused by air pressure too low....
Forum: RV General Discussion/News 10-04-2018, 01:40 AM
Replies: 27
Views: 4,987
Posted By Aluminum
That is true for flights under IFR. If it never...

That is true for flights under IFR. If it never enters controlled airspace, the flight isn't compliant with part 91 regardless of visual conditions. In the case of ag helicopters they typically...
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