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Search: Posts Made By: BillL
Forum: RV General Discussion/News Yesterday, 06:53 AM
Replies: 20
Views: 792
Posted By BillL
Talking Absolutely Charlie, that would be fundamental to...

Absolutely Charlie, that would be fundamental to a clean sheet system designed around a lithium chemistry. A regulator with active amperage management, not just a fixed voltage. Or a completely...
Forum: RV Ongoing Maintenance Issues Yesterday, 06:25 AM
Replies: 5
Views: 436
Posted By BillL
Staking

This sounds like just striking the valve step to open the valve and let it accelerate back to its seat. I never heard a name for it.

A valve never "hits" the seat anyway as it runs, the cam allows...
Forum: Glass Cockpit 05-17-2019, 07:15 AM
Replies: 8
Views: 890
Posted By BillL
BTW watch the 650 setting needs . . . .

We GDU 37x guys WILL have to set the 650 ARINC out to Garmin 429 or the G3X will not pick up the Nav information. This is the same as the touch comments elsewhere.

Thanks to the Garmin Team, ...
Forum: RV General Discussion/News 05-13-2019, 09:13 PM
Replies: 80
Views: 9,484
Posted By BillL
Marvin, Check these photos out. They may help...

Marvin, Check these photos out. They may help your thoughts on separating the cooler circuit.

https://photos.app.goo.gl/jEy8cvbiqohdprd98

Let me know if the link does not work. OK - Now, try...
Forum: RV-10 05-13-2019, 05:59 AM
Replies: 12
Views: 854
Posted By BillL
Two excellent suggestions as the place to start.

Two excellent suggestions as the place to start.
Forum: VAF Classifieds (posts in here deleted after 30 days) 05-11-2019, 05:59 PM
Replies: 2
Views: 849
Posted By BillL
I'll take the perm-grit. Email sent.

I'll take the perm-grit.

Email sent.
Forum: RV General Discussion/News 05-11-2019, 01:35 PM
Replies: 9
Views: 1,455
Posted By BillL
Cruising Like a Rocket at 190+ kts !! [if you...

Cruising Like a Rocket at 190+ kts !!

[if you can believe Flightaware]
Forum: RV General Discussion/News 05-10-2019, 04:38 PM
Replies: 4
Views: 353
Posted By BillL
Google...

Google...
Forum: Safety 05-09-2019, 08:53 PM
Replies: 35
Views: 3,540
Posted By BillL
It took a while to receive the parts from ACS,...

It took a while to receive the parts from ACS, but I did not get any RMA, I'll give them a call in the morning to get that squared away before installation. I learned already that new gaskets (to...
Forum: Traditional Aircraft Engines 05-09-2019, 06:47 AM
Replies: 13
Views: 1,190
Posted By BillL
Either a suction leak or bad pump.

Diesel fuel systems are a way different animal, so don't try to relate that experience to your 10.

Did you do an air pressure test (30psi) of the fuel system between the wing root and the...
Forum: Safety 05-09-2019, 06:35 AM
Replies: 35
Views: 3,540
Posted By BillL
Is it really that hard to do?

I was just thinking about sending in but 3 wks plus shipping is a long time.

Isn't this a straightforward parts replacement? I have the tool for setting the points at the correct orientation with...
Forum: RV General Discussion/News 05-09-2019, 06:25 AM
Replies: 17
Views: 887
Posted By BillL
Wouldn't PWK Chicago Executive be closer to...

Wouldn't PWK Chicago Executive be closer to downtown for a business trip? Maybe $$$ though.

I have not been there but it was my alternate for Schaumburg when picking up my daughter who arrived at...
Forum: Trip Write-ups 05-08-2019, 07:27 PM
Replies: 4
Views: 1,643
Posted By BillL
Congrats to the Stein Team on the new digs. A far...

Congrats to the Stein Team on the new digs. A far cry from my visit in 2010. I need a new T shirt. Christer has been top notch in helping me with various issues and learning topics.

Excellent...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 05-08-2019, 09:54 AM
Replies: 0
Views: 275
Posted By BillL
AN526 Screws defective?

I just got some AN526-R7 screws (MS35206H). Some were made differently than others. Here is a picture. The full domed one fits a #2 driver bit tightly, the odd one bottoms out and allows the bit to...
Forum: Traditional Aircraft Engines 05-08-2019, 06:59 AM
Replies: 26
Views: 1,786
Posted By BillL
I had to turn out my mixture adjustment on the...

I had to turn out my mixture adjustment on the linkage 3-4 full turns to stop the popping, but it was cold, 25-35 F ambient. This adjustment only affects to maybe 2000 rpm, though so not when flying,...
Forum: Traditional Aircraft Engines 05-08-2019, 06:54 AM
Replies: 26
Views: 1,786
Posted By BillL
I have one heat muff (with enhanced hx) and...

I have one heat muff (with enhanced hx) and dropped the hole size to 1". It works pretty well at lean conditions and down to zero F. Two 2" holes is massive.Try blocking one and restrict the other.
Forum: Primers 05-08-2019, 06:50 AM
Replies: 5
Views: 528
Posted By BillL
Sorry you will have to search, but I posted some...

Sorry you will have to search, but I posted some links to test reports on primers does by the USA DoD. There was a get from Georgia that added a link to a more recent one too. Sorry you will have to...
Forum: RV General Discussion/News 05-08-2019, 06:45 AM
Replies: 80
Views: 9,484
Posted By BillL
Update

In shrinking my exit, a new prop seal was in order. Using the felt recommended by F1Boss (ordered before Dave posted his) my nose internals were modified. Rather than leaving the lip shape to chance,...
Forum: Electrical Systems 05-07-2019, 08:39 PM
Replies: 6
Views: 479
Posted By BillL
Why argue with success . . . I usually find...

Why argue with success . . .

I usually find that after slipping over the wire and pin, I do a push/pull with wire and tool to get it out. I have done a lot, but usually in awkward areas and...
Forum: Primers 05-07-2019, 06:23 AM
Replies: 2
Views: 170
Posted By BillL
Contact parent companies in your region MacDermid...

Contact parent companies in your region MacDermid makes Iridite, and Henkel makes Alodine. They can direct you to distributors.

There is a Henkel office in Hong Kong.
Forum: Traditional Aircraft Engines 05-07-2019, 06:06 AM
Replies: 26
Views: 1,786
Posted By BillL
Good advice on the timing check, also on checking...

Good advice on the timing check, also on checking the baffles, and carb. Basics, do these and know definitively what they mean.

Timing, leaks and mixture are the the three huge factors and all can...
Forum: My RV Build Project 05-06-2019, 03:03 PM
Replies: 13
Views: 927
Posted By BillL
IO360 parallel valve RV7 Inlet (SJ) 2-7/8" ID ...

IO360 parallel valve

RV7 Inlet (SJ) 2-7/8" ID Your air filter can lose quite a bit if too small.

Drag is not that the air slows down in transit, but the inefficiency of the drag internally. Then...
Forum: My RV Build Project 05-06-2019, 09:49 AM
Replies: 13
Views: 927
Posted By BillL
Is just fitting stuff inside the cowl?

To what end Larry? I just measured the pressure in the filter inlet side of my SJ cowl and it was equal (within measuring accuracy) to dynamic pressure at about 160 kts.

Is it just to allow better...
Forum: RV models of the future (RV-??) 05-06-2019, 06:02 AM
Replies: 3
Views: 638
Posted By BillL
Hybrid Analysis. The future is bright, but . . . lots of work to do.

You might want to do a little analysis on the hybrid concept. What is the operational cycle that supports the energy storage and recovery? Everything related to an efficient and effective system must...
Forum: Traditional Aircraft Engines 05-05-2019, 08:20 PM
Replies: 6
Views: 715
Posted By BillL
I have a brass valve, but have read about these,...

I have a brass valve, but have read about these, tighten until firm, anti seize as you mentioned, but definitely use a box end wrench, as it seems to crush/deform easily, or so reported. Then safety...
Forum: RV General Discussion/News 05-05-2019, 05:30 PM
Replies: 17
Views: 1,775
Posted By BillL
I like the Black Max, just not the price.

I have used a desiccant based dryer (DIY) for 4 years on my engine. After first flight it became another maintenance item. Not a lot, but something that can not be ignored.

I have looked at the...
Forum: RV General Discussion/News 05-04-2019, 11:33 AM
Replies: 50
Views: 3,509
Posted By BillL
Excellent visuals Dan.

To add to Dans excellent and factual coverage, 4 valve engines typically use tumble rather than swirl to attain faster heat release. Also, there is a volumetric efficiency cost (reduction) due to the...
Forum: My RV Build Project 05-04-2019, 06:50 AM
Replies: 33
Views: 5,025
Posted By BillL
Beautiful Work, Thanks!

Sorry for a rabbit hole question, but how were the internal frame rivets bucked, looking at the jig, custom designed tooling would be expected.

Maybe it is obvious to other builders but I am new:D
Forum: RV General Discussion/News 05-03-2019, 07:01 PM
Replies: 10
Views: 1,586
Posted By BillL
Indeed, For your inbound materials, won't a...

Indeed,

For your inbound materials, won't a simple hardness test sort out the worst?
Forum: RV General Discussion/News 05-03-2019, 06:09 AM
Replies: 28
Views: 2,382
Posted By BillL
feel/felt your pain . . .

I hear ya - been to the edge a couple of times, had to go home and do something else for a while.

9 months and 5 failed plenum covers was a test of endurance.

I had a layer of epoxy on fairing...
Forum: Safety 05-02-2019, 12:23 PM
Replies: 11
Views: 997
Posted By BillL
FYI

I have been measuring some fuel temps. Here is a recent cruise setting result. All in F, with boost pump off.

1. on the tube entering the cabin
2. just after the fuel pump in the "tunnel"
3. on the...
Forum: RV-12/RV-12iS 05-02-2019, 07:50 AM
Replies: 10
Views: 1,225
Posted By BillL
know your adhesive . . .

Interesting !

Duct tape and packing tape usually my go-to is mineral spirits and naphtha. Peanut butter will be on the experiment list.

For old masking tape it is a citrus based cleaner, works...
Forum: RV General Discussion/News 05-02-2019, 06:34 AM
Replies: 50
Views: 3,509
Posted By BillL
Dan, thanks for the time investment to show the...

Dan, thanks for the time investment to show the fundamentals here. The angle valve will likely be more sensitive per degree. It is a fast burn combustion chamber (likely some swirl) that provides...
Forum: Propellers 05-02-2019, 06:11 AM
Replies: 33
Views: 6,802
Posted By BillL
The cowl compatibility issue is partly the...

The cowl compatibility issue is partly the inlet/spinner face, but really it is the relationship of blade sweep back relative to the mounting face. This requires a different spinner than Vans. The...
Forum: Trip Write-ups 04-30-2019, 05:17 PM
Replies: 15
Views: 1,466
Posted By BillL
Outstanding post!! A real trip for your history...

Outstanding post!!

A real trip for your history books, I want to do one with my son this year. Some of the same stops.

Hope to see more. . . .
Forum: Electrical Systems 04-30-2019, 06:38 AM
Replies: 3
Views: 456
Posted By BillL
It should charge just fine at 13.8 - perfect. The...

It should charge just fine at 13.8 - perfect. The LiFePO batteries really don't like high charging voltage and will charge and deliver the power just fine where you are. I would be happy. It will...
Forum: RV General Discussion/News 04-30-2019, 06:24 AM
Replies: 140
Views: 12,778
Posted By BillL
FYI

The whole Army thing had me puzzled . . how could ATC think that? I looked up the cruise speeds and found the CH-47 - 160kt and BlackHawk - 152Kt. OK, now it make sense.

Back to the topic.

I...
Forum: RV-9/9A 04-29-2019, 08:40 PM
Replies: 18
Views: 1,080
Posted By BillL
Yes we do. I retrofitted a heated pitot (w/AOA)...

Yes we do.

I retrofitted a heated pitot (w/AOA) in my constructed 7 wing. I was a little tricky but was able to get the doubler installed and riveted to the rib. That part is doable. The wiring can...
Forum: RV Ongoing Maintenance Issues 04-29-2019, 09:42 AM
Replies: 4
Views: 576
Posted By BillL
Good to hear. I deleted my post then a little...

Good to hear. I deleted my post then a little research turned up some claims but "with sealant" was not very definitive. Your first hand knowledge is reassuring.
Forum: RV General Discussion/News 04-29-2019, 09:39 AM
Replies: 28
Views: 3,004
Posted By BillL
Love to hear if it helps landings. I have...

Love to hear if it helps landings. I have certainly thought about this as a training aid.
Forum: RV Building Tips/Techniques 04-29-2019, 05:49 AM
Replies: 7
Views: 621
Posted By BillL
Just a data point

I did not use the kit, but did mount it just under the top skin behind the baggage bulkhead. No adverse effects noticed in 70 hrs, but it is for a backup instrument.
Forum: RV-14 04-29-2019, 05:44 AM
Replies: 14
Views: 1,339
Posted By BillL
Nothing structurally wrong with a patch, but . . .

A good TIG welder can weld inside the hole, a little grinding and it will be flat => recommended.
Forum: RV General Discussion/News 04-29-2019, 05:39 AM
Replies: 10
Views: 663
Posted By BillL
I may get over it one day, but since my engine is...

I may get over it one day, but since my engine is not round, oil leaks are not accepted. At Continental the club planes were kept dry as a bone. Lycoming may be different.

The OP's leak could be...
Forum: Close Calls / Lessons Learned 04-29-2019, 05:33 AM
Replies: 6
Views: 1,716
Posted By BillL
RIP

Examples like this caused me to request a taxiway hold rather than a taxi-into-position-hold. A busy controller, a Beech 18, and a landing F4 (https://aviation-safety.net/wikibase/wiki.php?id=43262)...
Forum: Primers 04-26-2019, 07:25 AM
Replies: 37
Views: 1,259
Posted By BillL
Water is not just H2O. It has dissolved solids,...

Water is not just H2O. It has dissolved solids, so unless you are rinsing with de-ionized water, you could be leaving solid deposits there.


I have yet to see a picture of what )precisely) your...
Forum: Primers 04-26-2019, 07:22 AM
Replies: 37
Views: 1,259
Posted By BillL
Water is not just H2O. It has dissolved solids,...

Water is not just H2O. It has dissolved solids, so unless you are rinsing with de-ionized water, you could be leaving solid deposits there.


I have yet to see a picture of what your issues are. The...
Forum: Glass Cockpit 04-24-2019, 08:43 PM
Replies: 17
Views: 1,355
Posted By BillL
Good to know, my TOGA won't work without one....

Good to know, my TOGA won't work without one. Thanks.
Forum: Glass Cockpit 04-24-2019, 08:26 PM
Replies: 17
Views: 1,355
Posted By BillL
Nice, Walt, those look like non-touch. Is that a...

Nice, Walt, those look like non-touch. Is that a GMC 507?
Forum: VAF Classifieds (posts in here deleted after 30 days) 04-24-2019, 07:09 AM
Replies: 4
Views: 857
Posted By BillL
Do you always have to fly around the R-3203A&B...

Do you always have to fly around the R-3203A&B area just to the west of the airport?
Forum: RV General Discussion/News 04-24-2019, 06:51 AM
Replies: 16
Views: 1,053
Posted By BillL
+1 Good reception. They are mounted high, close...

+1 Good reception. They are mounted high, close to the cowl to minimize the aft shadow.

Edit: One day I will test the drag of a few fakes mounted behind the rear window to see if it is measurable....
Forum: My RV Build Project 04-23-2019, 07:49 PM
Replies: 364
Views: 75,729
Posted By BillL
I use plaster of paris. It will set up faster,...

I use plaster of paris. It will set up faster, same to sand.

I found the drywall mud can take days to dry if used exclusively, but is great as the topping coats, just use the sanding screens.

Just...
Forum: Traditional Aircraft Engines 04-23-2019, 04:55 PM
Replies: 8
Views: 1,306
Posted By BillL
Steve, the RPM zone changes with product changes,...

Steve, the RPM zone changes with product changes, so it would be best to get this from Hartzell for your (prop) serial number and engine model. Compression ratio, timing etc can make a difference.
Forum: Electrical Systems 04-23-2019, 07:44 AM
Replies: 8
Views: 720
Posted By BillL
Lots of combinations . . . I used locking...

Lots of combinations . . .

I used locking switches for master buss & backup battery so I can not bump them. These go on and stay on.

The guards are to enable finding them in the dark and/or...
Forum: RV-7/7A 04-22-2019, 05:30 PM
Replies: 19
Views: 1,643
Posted By BillL
In have (tested), it does (scratch), just like...

In have (tested), it does (scratch), just like you said. Mechanical mark.

I wrote final assembly notes on the wings of things as they were flight ready. They were removed after first flight. Light...
Forum: Traditional Aircraft Engines 04-22-2019, 03:54 PM
Replies: 18
Views: 1,236
Posted By BillL
YMMV, but

My 10 Friend uses the oil bib (https://www.aircraftspruce.com/catalog/eppages/oilfilterbibs.php?clickkey=5953999) and gave me some to try, I am hooked!! No mess, and I have to use a custom offset...
Forum: RV-7/7A 04-22-2019, 06:11 AM
Replies: 19
Views: 870
Posted By BillL
I too think it looks good. Just be sure the...

I too think it looks good. Just be sure the inside of that relief is shiny for fatigue resistance. Vans did a good bit of FEA on that section for the SB, so their opinion on the hole location is...
Forum: RV General Discussion/News 04-22-2019, 05:52 AM
Replies: 8
Views: 662
Posted By BillL
A caution about RTV as a gasket sealer. If too...

A caution about RTV as a gasket sealer. If too much is applied subsequently squeezed out it may make big blobs on the inside of the joint. If that blob happens to get into the oil pump the...
Forum: RV General Discussion/News 04-21-2019, 06:27 AM
Replies: 11
Views: 961
Posted By BillL
Or use a ramp

I just made a ramp and rolled the plane on to avoid the side loading. Scales are not made for side loads. Meaning: a strong frictionless sliding action. I borrowed the scales and did not want to...
Forum: RV-6/6A 04-20-2019, 08:57 PM
Replies: 23
Views: 2,245
Posted By BillL
Yes, but look carefully, it might be exactly the...

Yes, but look carefully, it might be exactly the same. Check skin thickness. .016" or .020".
Forum: Propellers 04-20-2019, 04:15 PM
Replies: 98
Views: 35,382
Posted By BillL
You should get the dimensions from Hartzell using...

You should get the dimensions from Hartzell using the flange base as the datum. You will want to know the distance from the datum to the blade at full pitch vs radius. If you want to go fast and...
Forum: RV-7/7A 04-20-2019, 02:08 PM
Replies: 19
Views: 1,643
Posted By BillL
+1 works well and less dangerous than most....

+1 works well and less dangerous than most. Acetone is a last stop. I had some red in a shirt and cleaned with iso alcohol, but still left stains. Wore it in the yard for working and the sun did the...
Forum: Tools 04-20-2019, 06:46 AM
Replies: 43
Views: 2,669
Posted By BillL
Price not as high as expected.

Good to hear positive user experiences.

I looked up the price - $650, no yokes. But that is not too far off a new pneumatic is it?
If one uses the standard yokes, is something missing in the...
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