VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 64 of 500
Search took 0.06 seconds.
Search: Posts Made By: BillL
Forum: RV-10 Yesterday, 06:34 AM
Replies: 17
Views: 1,317
Posted By BillL
Knowledge expanded, thanks.

Fair enough. We throw around identifications for alternators like all Fords are alike. Most PP that are for experimental are the 60 amp EI60, internally regulated and not adjustable. I do see that...
Forum: RV-10 10-03-2022, 07:21 PM
Replies: 17
Views: 1,317
Posted By BillL
No

And what would make you think that?
Forum: RV General Discussion/News 10-03-2022, 04:51 PM
Replies: 45
Views: 7,519
Posted By BillL
Amp demand??

How many amps (12VDC) does the G5 draw? I am looking on the website and lots of sales/marketing materials. Light though - - at 5.2 lbs., lighter than my tank.
Forum: Traditional Aircraft Engines 10-01-2022, 06:39 AM
Replies: 2
Views: 361
Posted By BillL
You might need torque/tightening for crush...

You might need torque/tightening for crush gaskets and NAS bolts for spar, they are a little higher than standard AN. The Lycoming sheet is also for standard engine hardware.

Pull test for crimped...
Forum: RV Building Tips/Techniques 09-30-2022, 06:16 PM
Replies: 48
Views: 3,380
Posted By BillL
Mel, I should not have singled out the angle. The...

Mel, I should not have singled out the angle. The real difference is the material yield strength.

It is not about Torx, it is the 304 stainless yield strength. My plenum is held on with 6-32 304...
Forum: RV Building Tips/Techniques 09-30-2022, 02:53 PM
Replies: 48
Views: 3,380
Posted By BillL
When using the inferior philips, use a superior tool.

I agree that TORX is a superior engagement for screws, but only if the screw material is equal. They are not for our aviation application as mentioned by Walt and David Paul. Yes, A286 is good if you...
Forum: Electrical Systems 09-28-2022, 08:19 AM
Replies: 16
Views: 1,936
Posted By BillL
Larry, it is NOT a taper fit. I am absolutely...

Larry, it is NOT a taper fit. I am absolutely positive.
Forum: Electrical Systems 09-28-2022, 08:17 AM
Replies: 16
Views: 1,936
Posted By BillL
Thumbs up This way works.

+1 for getting it going. If not enough, mark the nut clocking and hit with impact wrench for an additional flat.

I was able to use the belt method and torque the nut on a repaired PP EI60.

Nothing...
Forum: Electrical Systems 09-25-2022, 05:53 PM
Replies: 17
Views: 1,413
Posted By BillL
No lawyer question, just technical.

Thanks Ron, that is 7300 cycles for full charge discharge cycles, pretty impressive that they can do that. I suppose allowances have to be made for deterioration etc.

Based on the answer provided...
Forum: Primers 09-25-2022, 06:52 AM
Replies: 23
Views: 3,960
Posted By BillL
Human nature to follow the crowd . . . . or not.

This same experience (small scale as I tested the process) applies to many popularized processes that have been posted without warnings, or even knowing the risks. It taught me to be much more...
Forum: RV General Discussion/News 09-24-2022, 06:40 AM
Replies: 3
Views: 406
Posted By BillL
T-406A Usher cap came with my original kit 70173,...

T-406A Usher cap came with my original kit 70173, but it may have changed over the years. I don't know the Usher number but will edit if found. Vans has it in the catalog. Attached is a PDF of the...
Forum: Painting your RV 09-23-2022, 02:46 PM
Replies: 11
Views: 984
Posted By BillL
Some automotive paint systems are just fine, but...

Some automotive paint systems are just fine, but they are not all created equal.

Airplanes hit raindrops at much higher speeds than a car. Impact resistance to bugs and rain is a factor. Urethanes...
Forum: Primers 09-22-2022, 06:45 AM
Replies: 23
Views: 3,960
Posted By BillL
Your geography will vary.

Here is a study (https://pomametals.com/salt-air-inland-distance-for-metal/) that says 50 miles. That pretty much covers Naples, FL.

4 miles is pretty close. Whitecaps and breeze keeps the aerosols...
Forum: Primers 09-21-2022, 06:53 PM
Replies: 23
Views: 3,960
Posted By BillL
How close are you to salt water?

How close are you to salt water?
Forum: Electrical Systems 09-21-2022, 06:02 PM
Replies: 17
Views: 1,413
Posted By BillL
Ron, can you tell us what chemistry these...

Ron, can you tell us what chemistry these batteries are and the specified float voltage range? Per cell is good for comparison.

Are these banks being typically managed to a mid DOD range?

If there...
Forum: RV Building Tips/Techniques 09-20-2022, 04:05 PM
Replies: 14
Views: 1,187
Posted By BillL
I remember no good tool except the cubic$...

I remember no good tool except the cubic$ pneumatic alligator squeezer. My avery worked kinda close to a wall/floor but very limited.

For nut plates the 3/32" CS pull rivets and a wedge under the...
Forum: RV-7/7A 09-20-2022, 06:48 AM
Replies: 19
Views: 3,702
Posted By BillL
Thanks Matt!!

Excellent, I would not have imagined they were fitted the same. Great work!! Thanks for posting a cold hard fact. That 14 internal design sure looks stiffer.

Matt, did you do any other comparisons...
Forum: RV General Discussion/News 09-10-2022, 03:30 PM
Replies: 19
Views: 890
Posted By BillL
Thanks Krea, at least I would have accuracy for...

Thanks Krea, at least I would have accuracy for 14-16 gal each side. Yes $$$, it must be a resolver as the core device. At least it is an alternative.
Forum: RV General Discussion/News 09-09-2022, 07:00 PM
Replies: 19
Views: 890
Posted By BillL
Sources for something that works full range.

Every thing on my plane works pretty well. If it is there it works, except the fuel gauges. I rationalize that they are absolutely accurate below 7 gallons. The left works from 9 down and the right...
Forum: RV General Discussion/News 09-09-2022, 07:07 AM
Replies: 91
Views: 19,973
Posted By BillL
I asked an oil filter test engineer and he said...

I asked an oil filter test engineer and he said (and I looked at the test standard) that the test protocol requires the pulsating oil leakage test to be performed at 1/4, 1/2, and 3/4 turns. He said...
Forum: Safety 09-08-2022, 03:12 PM
Replies: 67
Views: 6,020
Posted By BillL
Depending on your panel, the data recorded might...

Depending on your panel, the data recorded might include the requested position, the actual position, and the torque to achieve position.

All of these parameters are available on the Garmin boxes...
Forum: RV General Discussion/News 09-08-2022, 06:21 AM
Replies: 13
Views: 763
Posted By BillL
Way to go Scott!! Yes, phase I is a lot of...

Way to go Scott!!

Yes, phase I is a lot of checking adjusting flight data and problem solving. Like a field commissioning of a new project, making sure it meets all the requirements.

This is...
Forum: Traditional Aircraft Engines 09-08-2022, 06:05 AM
Replies: 9
Views: 829
Posted By BillL
What was old is new again.

Very interesting discussion - -fuel blend from 1943 - fighter fuel - - that should calm the turbo/supercharged crowd nicely.

Do the Reno guys use this fuel in the racers? It certainly sounds like...
Forum: RV General Discussion/News 09-07-2022, 02:15 PM
Replies: 60
Views: 6,019
Posted By BillL
Carl, George Braly said in a video, that he...

Carl, George Braly said in a video, that he tested for the detonation limit in a specific engine and could not make it happen. High CHT, high inlet temperatures and timing etc. I was surprised. Now,...
Forum: Tools 09-07-2022, 02:09 PM
Replies: 19
Views: 1,753
Posted By BillL
Pull Test

Attached is a pull test table. Use the Mil spec chart. The numbers are a minimum for not failing. There are other publications and standards that have the pull test within but IMO not worth having....
Forum: Safety 09-07-2022, 10:09 AM
Replies: 252
Views: 31,227
Posted By BillL
Just for you Michael: The first drawing says...

Just for you Michael:

The first drawing says RV7,8 in the title block. A change notes it once said 7,8,9!!

30639

30640

30641
Forum: RV General Discussion/News 09-07-2022, 07:02 AM
Replies: 60
Views: 6,019
Posted By BillL
All a matter of perspective.

Taking this topic to a reasonable conclusion via discussion has made my eyes roll over for 45 yrs. It is time for the field to test one of these fuels. Yes, a field test, and that is the category it...
Forum: RV Ongoing Maintenance Issues 09-07-2022, 06:18 AM
Replies: 10
Views: 899
Posted By BillL
14.3-14.6 volts for AGM. Lower for EarthX. 13.8.

Actually that is a pretty good average for a commodity rebuilt in god-knows-where factory. I looked at OTS alternator vs PP vs B&C life from a 2016 thread and cost per hour. B&C was the lowest....
Forum: Traditional Aircraft Engines 09-06-2022, 05:51 AM
Replies: 27
Views: 2,169
Posted By BillL
Definitely the Propane

Propane has a much higher flame temperature than gasoline and natural gas. It is the temperatures of the combustion that killed the valves. One project in my engine design assignment was development...
Forum: RV General Discussion/News 09-05-2022, 04:50 PM
Replies: 91
Views: 19,973
Posted By BillL
The by-pass addresses several scenarios. Cold oil...

The by-pass addresses several scenarios. Cold oil is one, where the engine rpm goes high enough with low temps to yield a high delta-p across the filter. It may only happen a few times in winter...
Forum: Safety 09-04-2022, 12:03 PM
Replies: 252
Views: 31,227
Posted By BillL
Round and round we go.

Then just say no. But making the prove-in-court case is a little more difficult.

Attached is a general fuselage drawing of the early 7. One is with the originally shipped short rudder and the other...
Forum: Safety 09-03-2022, 08:05 PM
Replies: 252
Views: 31,227
Posted By BillL
I will check my original drawings and report back...

I will check my original drawings and report back with evidence.
Forum: RV General Discussion/News 09-02-2022, 11:53 AM
Replies: 13
Views: 940
Posted By BillL
try this -...

try this - -https://blueprintsprinting.com/pricing/?gclid=Cj0KCQjw08aYBhDlARIsAA_gb0fUu-qL6hI8H-HqEfN8gHoSCxBPuld-Aomv-1bEJvjfXj69WPfNlscaAk-FEALw_wcB


Looks like D size color #20 paper- $3.75 each...
Forum: Traditional Aircraft Engines 09-02-2022, 11:40 AM
Replies: 91
Views: 15,983
Posted By BillL
Have you seen the brine pools...

Have you seen the brine pools (https://oceanexplorer.noaa.gov/explorations/02mexico/background/brinepool/brinepool.html) at the bottom of the Gulf of Mexico?

Try alcohol and water - vodka - -two...
Forum: RV Building Tips/Techniques 09-02-2022, 10:42 AM
Replies: 9
Views: 669
Posted By BillL
I break it or use a brass brush to erode it....

I break it or use a brass brush to erode it.

Laquer thinner will work to re-dissolve it, to your question. I inject some in the tubes to keep liquid.
Forum: Glass Cockpit 09-01-2022, 06:08 AM
Replies: 13
Views: 1,362
Posted By BillL
My 650 does not have bluetooth, so it is an...

My 650 does not have bluetooth, so it is an advantage for that configuration.
Forum: Glass Cockpit 08-31-2022, 03:43 PM
Replies: 13
Views: 1,362
Posted By BillL
I am excited!!

I am in the same situation and know there are several things that the "touch" offers. One is interface with Foreflight for wireless transfer of flight plans through to the 650.

Do you have this...
Forum: Reviews 08-31-2022, 03:37 PM
Replies: 29
Views: 1,794
Posted By BillL
SteinAir is my choice, but Aerotronics was my...

SteinAir is my choice, but Aerotronics was my 10Friend's choice, and he has also gotten a super panel and service for years. Both will be your partner in the panel design and build process.
Forum: Probable Cause Documents Discussed 08-30-2022, 08:54 PM
Replies: 84
Views: 7,506
Posted By BillL
Absolutely, I have recommended it several times...

Absolutely, I have recommended it several times here , remove at the carb in this case back pressure the outlet and run at 125% of max engine fuel flow with the boost pump.

But, normal mechanics...
Forum: RV General Discussion/News 08-30-2022, 06:21 AM
Replies: 28
Views: 2,692
Posted By BillL
Thumbs up The proof is in the usage . . .

Nice Panel!! I would love to push plans from FF but have the non-touch.

I had always flown with round gauges but went full electronic. I was lost in my first sessions for IFR retraining but after...
Forum: RV-7/7A 08-29-2022, 09:56 AM
Replies: 14
Views: 1,317
Posted By BillL
Nope, seems low. Might check: -is the engine...

Nope, seems low. Might check:

-is the engine broken in?
- the ASI calibration in a 3-4 leg run, repair as needed.
- do you have wheel pants and gear leg fairings installed?
- Is your throttle...
Forum: RV Building Tips/Techniques 08-28-2022, 08:53 PM
Replies: 173
Views: 202,073
Posted By BillL
Even the best prevention measures can be thwarted.

If you have a tip up, left the tip up open and have removed the vice-grips on the garage door track, pray you have already ensured the canopy does not touch anywhere when you open the overhead door,...
Forum: RV-8/8A 08-28-2022, 08:15 PM
Replies: 19
Views: 1,658
Posted By BillL
For your consideration.

I have a 7 with two GPS antenna mounted under the cowling. The temps measured in operation show under the recommended limit, and they are high enough for minimum shading from the rear but better view...
Forum: RV-8/8A 08-28-2022, 08:14 AM
Replies: 13
Views: 1,285
Posted By BillL
Since you are in Florida, try...

Since you are in Florida, try https://www.uscomposites.com
Forum: RV Building Tips/Techniques 08-27-2022, 10:27 AM
Replies: 16
Views: 1,432
Posted By BillL
Aircraft Tool has single flute 100 deg...

Aircraft Tool has single flute 100 deg countersinks, I got two and it was very easy to make clean CS in plexiglass.

https://aircraft-tool.com/shop/search.aspx?qid=6391&page=3
Forum: Safety 08-25-2022, 07:10 AM
Replies: 252
Views: 31,227
Posted By BillL
Let's look at this a different way.

Yes, but you are not alone. Many here strongly see it the same way. The concept of statistical variability is inherent to all things. I speak about this from production design experience and having...
Forum: Electrical Systems 08-23-2022, 10:10 AM
Replies: 11
Views: 2,071
Posted By BillL
I hesitate to recommend not knowing what each...

I hesitate to recommend not knowing what each does without research. Maybe now we know the part, people more familiar can say. Many have used this alternator.

edit: I suspect you would wire the...
Forum: Electrical Systems 08-23-2022, 09:44 AM
Replies: 11
Views: 2,071
Posted By BillL
Does it look like this? 29878 29879 Here is...

Does it look like this?

29878

29879

Here is one from Autozone. (https://www.autozone.com/batteries-starting-and-charging/alternator/p/duralast-gold-alternator-14684n/389858_0_0)
Forum: RV Ongoing Maintenance Issues 08-23-2022, 07:38 AM
Replies: 12
Views: 761
Posted By BillL
My stick was the problem.

I had this and wrestled with it. A new stick & bushing was purchased and it was the same way. The basic issue is the cross tube welded to the stick has some weld distortion. Production has a drill...
Forum: Safety 08-22-2022, 03:54 PM
Replies: 252
Views: 31,227
Posted By BillL
Exactly!

Well said, that is all one could expect.
Forum: Traditional Aircraft Engines 08-22-2022, 07:22 AM
Replies: 3
Views: 528
Posted By BillL
What Mahlon said first, but a consideration - A...

What Mahlon said first,

but a consideration - A 10Friend had an issue with his MAP and we found that concentrated black fuel goo got up in his MAP sensing hose and was affecting the reading on...
Forum: RV Ongoing Maintenance Issues 08-22-2022, 07:15 AM
Replies: 28
Views: 2,618
Posted By BillL
Hmm Why #2?

Carl, just curious if your baffles have a provision for the lower fin cooling on head #2? Just wondering if that is a variable as well as A/F. My Lyc YIO 360M1B GAMI spread is really small so would...
Forum: RV General Discussion/News 08-22-2022, 07:05 AM
Replies: 19
Views: 1,977
Posted By BillL
Thanks for posting Steve, I reasoned it was zero,...

Thanks for posting Steve, I reasoned it was zero, but did not prove it in the formulas, so did not post a guess.

I am not sure how a clever gotcha helps train people. In a classroom we captured...
Forum: RV General Discussion/News 08-21-2022, 09:12 AM
Replies: 24
Views: 4,922
Posted By BillL
Barriers

I went to the Dollar store and got some colorful plastic report folders. I made one to fit between the cowl and the spinner as my lower cowl is hard to get perfect.

Also a couple wrapped around the...
Forum: RV-10 08-21-2022, 09:06 AM
Replies: 21
Views: 2,604
Posted By BillL
Reflex at all altitudes?

Reflex at all altitudes?
Forum: Safety 08-20-2022, 05:46 PM
Replies: 252
Views: 31,227
Posted By BillL
Thanks, I followed this accident as I had talked...

Thanks, I followed this accident as I had talked to Dean several times before the accident. My son self-toured NZ and Dean was kind to give him a north end tour. My son was impressed with his...
Forum: Safety 08-18-2022, 05:11 PM
Replies: 252
Views: 31,227
Posted By BillL
Don't know about an aluminum design Rock, and I...

Don't know about an aluminum design Rock, and I don't know that a carbon part could even be made that would be 1. equal aerodynamically, 2. lower in mass, 3. stiffer in every mode, and 4. lighter in...
Forum: Traditional Aircraft Engines 08-18-2022, 01:06 PM
Replies: 30
Views: 2,238
Posted By BillL
David, good the hear of the success - yea you...

David, good the hear of the success - yea you have to lift and go back and forth. I experimented 40 yrs ago and that works best.

High confidence that you will get good readings after a flight hour...
Forum: Safety 08-18-2022, 10:00 AM
Replies: 252
Views: 31,227
Posted By BillL
The 7 Short (aka 8) rudder is smaller, lighter,...

The 7 Short (aka 8) rudder is smaller, lighter, and CG closer to the pivot than the 7Tall/9 rudder.


29671
Area and weights not including fiberglass. Area is from spar rivet line aft.

Thanks...
Forum: Safety 08-18-2022, 06:23 AM
Replies: 252
Views: 31,227
Posted By BillL
Education Please

Could you help the flutter-ignorant engineers with some understanding please. I thought that decreasing mass, moment, and increasing stiffness of a flight control would always extend the flutter...
Forum: Safety 08-17-2022, 07:11 PM
Replies: 252
Views: 31,227
Posted By BillL
I bet some would if it was lighter (like the 8),...

I bet some would if it was lighter (like the 8), carbon fiber, stronger/stiffer in torsion and bending. Then counterweight factor could be better. Reno/racers might want it.

Can this be done in...
Forum: Safety 08-17-2022, 05:05 PM
Replies: 252
Views: 31,227
Posted By BillL
Clarification

The original 7 release came with the same-as-the-8 rudder also the same as counterweighted 6 rudder with .020 skin. Let's call it the 7Short. The vertical on the 7 does not change with the rudder. I...
Forum: Traditional Aircraft Engines 08-17-2022, 04:26 PM
Replies: 57
Sticky: ENGINE COOLING
Views: 40,505
Posted By BillL
Bad Bill . . . . :o

Excellent, I fixated on the differential and missed the big red label "upper vs static" :o

Looks pretty stable over the speed range.
Forum: Traditional Aircraft Engines 08-17-2022, 04:01 PM
Replies: 57
Sticky: ENGINE COOLING
Views: 40,505
Posted By BillL
Sorry a little confused.

I am missing something, Pete. The chart says pressure differential - is that upper to lower or upper to static?

Maybe a terminology thing. I would call upper pressure referencing static port...
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 04:53 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.