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Search: Posts Made By: BillL
Forum: RV-7/7A 05-18-2022, 02:00 PM
Replies: 4
Views: 366
Posted By BillL
The open/close force could be low.

I removed all the high compression force weather striping. There is a reason that Vans uses the teardrop style.

The latch tube will deform and not latch completely if it force is too high, then the...
Forum: RV Ongoing Maintenance Issues 05-18-2022, 08:41 AM
Replies: 11
Views: 1,732
Posted By BillL
Isn't it an opportunity for the innovators to...

Isn't it an opportunity for the innovators to offer a suitable custom extension to torque these rascals? Anti-Splat?
Forum: RV General Discussion/News 05-16-2022, 06:30 PM
Replies: 37
Views: 2,374
Posted By BillL
You have them ALL? Can you send me the -7 list? ...

You have them ALL? Can you send me the -7 list? 10 yrs ago I had to make a list from invoices. YUCK. I'm sure it is not compete or correct.

lanewsjr at gmail dot duh
Forum: Tools 05-16-2022, 07:20 AM
Replies: 0
Views: 169
Posted By BillL
Torque wrench condition inspection. MAC T150FR

I went to check torque on my -7 spar bolts and the wrench did not click and the calibrated arm said stop!

This is posted as this wrench is new from 1973 and has been checked for calibration along...
Forum: RV-7/7A 05-15-2022, 01:37 PM
Replies: 14
Views: 1,139
Posted By BillL
Some things are personal "improvements" some a...

Some things are personal "improvements" some a highly functional changes that make life better. You can decide from lists above and a few that come to mind here. I made many. About half were required...
Forum: Fuel Injection Systems 05-15-2022, 05:00 AM
Replies: 4
Views: 357
Posted By BillL
Dan proposes a good test protocol, that would...

Dan proposes a good test protocol, that would pull all the fuel out of the lines then switching to the second tank, the boost pump would be the only source of pumping if the engine was not rotating....
Forum: Primers 05-15-2022, 04:49 AM
Replies: 22
Views: 1,155
Posted By BillL
I am surprised metal-prep was not mentioned. It...

I am surprised metal-prep was not mentioned. It is easy and quick, just rinse with distilled water and blow dry with non-oily air.

I think Larry (wire jock) has done the best posts of hands-on...
Forum: RV Ongoing Maintenance Issues 05-15-2022, 04:38 AM
Replies: 15
Views: 1,966
Posted By BillL
+1 for drill swarf from poor cleanliness prior to...

+1 for drill swarf from poor cleanliness prior to or at assembly.
Forum: Electrical Systems 05-13-2022, 05:53 AM
Replies: 5
Views: 560
Posted By BillL
Yes, but most issues are DC, so the clamp meter...

Yes, but most issues are DC, so the clamp meter has to be special to read DC. Many are available today that tickle the windings to detect DC amps with some digital magic.

IMO they are not required...
Forum: Electrical Systems 05-13-2022, 05:41 AM
Replies: 18
Views: 1,049
Posted By BillL
https://densoautoparts.com/alternators.aspx

https://densoautoparts.com/alternators.aspx
Forum: Traditional Aircraft Engines 05-10-2022, 03:56 PM
Replies: 6
Views: 933
Posted By BillL
You make a good point about it being a piece of...

You make a good point about it being a piece of failed aluminum casting, but wouldn't it be conical in shape if from the vernatherm seat? The manufacturer would be the best source of knowledge of...
Forum: RV General Discussion/News 05-10-2022, 06:58 AM
Replies: 10
Views: 666
Posted By BillL
My experience and uneducated conclusion is that...

My experience and uneducated conclusion is that the aileron simply need to be the same. I think the larger radius allows the pressure side to wrap around the edge a little reduce its "lift". ...
Forum: Electrical Systems 05-10-2022, 06:42 AM
Replies: 18
Views: 1,049
Posted By BillL
Bad Business

Alternators in the aftermarket are a commodity, lowest cost wins. There are many manufacturers of cloned components and they (all) don't have the quality control and component validation of the ND...
Forum: Electrical Systems 05-09-2022, 06:32 AM
Replies: 57
Views: 4,620
Posted By BillL
Congratulations and good luck in your business!

Thanks for the replies, Bill. Understandable to protect the key design parameters I have had a few ideas swiped that others patented too, but product development is a costly investment worthy of...
Forum: Electrical Systems 05-06-2022, 06:35 PM
Replies: 57
Views: 4,620
Posted By BillL
Talking Really excellent concept!!

I approached the alternator guys at OSH 15 yrs ago and asked if they were working on some smaller, lighter, more efficient, and longer life machines. SR, IPM, SPM something . . .Whaaat?? :eek:

For...
Forum: Fiberglass 05-06-2022, 05:01 PM
Replies: 28
Views: 2,592
Posted By BillL
OOPS - - - No matter, I made 5 plenum covers...

OOPS - - -

No matter, I made 5 plenum covers before learning how to do it right.

Keep them coming, Larry.
Forum: Tools 05-06-2022, 10:26 AM
Replies: 11
Views: 1,060
Posted By BillL
I just had non-click event (3rd actually) on my...

I just had non-click event (3rd actually) on my 1974 Mac wrench forcing a play.

I can confirm that CDI is a snap-on company. The Williams brand and CDI brands are assembled in City of Industry CA....
Forum: Traditional Aircraft Engines 05-05-2022, 06:36 AM
Replies: 12
Views: 914
Posted By BillL
Oversize Stud Source

I would not put just any thread locker on the studs, it will just melt, oil/grease (cheap stuff) maybe so it will coke and seal. Henkel #2620 will go to 650F, it may be OK.

Here is a link for...
Forum: Electronic Ignition Systems 05-03-2022, 05:05 PM
Replies: 20
Views: 1,572
Posted By BillL
Apparently shorting when changing oil on the 10...

Apparently shorting when changing oil on the 10 is common. A 10Friend ran the wire to the battery, and put a higher value fuse at the battery and a lower value accessible under the cowl. The shorting...
Forum: RV General Discussion/News 05-03-2022, 02:46 PM
Replies: 11
Views: 4,213
Posted By BillL
Hope this fellow is doing well. Looks like some...

Hope this fellow is doing well.

Looks like some drastic altitude, attitude, speed changes hidden in 17 seconds.
Forum: Traditional Aircraft Engines 05-01-2022, 06:41 PM
Replies: 22
Views: 1,682
Posted By BillL
Could be either.

No - I did mean design, based on the failure mode being quite consistent. But to be fair, it could be either. Todays parts are so darn consistent that it is hard to say is a deviation from a...
Forum: Traditional Aircraft Engines 05-01-2022, 04:41 PM
Replies: 22
Views: 1,682
Posted By BillL
Sorry to hear of this problem. I have forgotten...

Sorry to hear of this problem. I have forgotten most of my piston/ring causes and effects. It is odd that it is only the second ring. The piston crown is typically the hottest part of the piston...
Forum: RV General Discussion/News 05-01-2022, 06:28 AM
Replies: 35
Views: 3,430
Posted By BillL
Honestly, Cory, I have seen several of this type...

Honestly, Cory, I have seen several of this type fail and results in considerable damage at OSH . . . twice. I have a counterweight type, but it is a tail dragger. The rope-to-the-TE is structurally...
Forum: RV General Discussion/News 04-30-2022, 03:27 PM
Replies: 37
Views: 3,013
Posted By BillL
Puzzling The temperature rise from inlet to...

Puzzling

The temperature rise from inlet to exit seems high, but at the same time the choked exit indicates that mass flow is also high. Assuming (for the moment) that the temperature measurements...
Forum: Glass Cockpit 04-29-2022, 06:01 AM
Replies: 11
Views: 926
Posted By BillL
Wants/Needs will dictate accuracy requirement.

+1

And more. I had my OAT probe in the wing root and noticed it tracked EGT on a cold day. I moved it outside the prop arc. Lots of locations were tested with thermocouples before moving to the...
Forum: RV Building Tips/Techniques 04-29-2022, 05:42 AM
Replies: 21
Views: 1,548
Posted By BillL
Debate= lots of words with no quantifiable result.

Probably a debatable situation, good for a beer at the OSH Pavilion - although not sure how it might shake out.

If a control volume is made around the cowl with the appropriate inputs, outputs then...
Forum: RV Building Tips/Techniques 04-28-2022, 06:48 PM
Replies: 10
Views: 554
Posted By BillL
Why use unspecified material??

I usually get 4130 from Spruce by the foot. 5/16" is . . . . well you can figure that. And . . make a machined bushing to match if 0.005" of diameter is critical. Personally, I would not hesitate...
Forum: RV General Discussion/News 04-27-2022, 04:40 PM
Replies: 37
Views: 3,013
Posted By BillL
Mike, since you asked, the photo is marked where...

Mike, since you asked, the photo is marked where it should be touching the fins, and every other gap should be sealed. The areas at the case and under the finless barrel section is the usually the...
Forum: RV General Discussion/News 04-27-2022, 07:19 AM
Replies: 37
Views: 3,013
Posted By BillL
Paul, I see you have the James plenum as well....

Paul,

I see you have the James plenum as well. The center section that molds over the engine case has been reported (by several) to lift in flight and leak. One might take some plastic and seal the...
Forum: RV General Discussion/News 04-25-2022, 03:46 PM
Replies: 37
Views: 3,013
Posted By BillL
Hang in there !!

"The sam james uses a piece of neoprene between the inlet and airbox with hose clamps. I assume there's no leakage there, but I'll take a second look to make sure."

I assume this as well, but have...
Forum: RV General Discussion/News 04-25-2022, 06:19 AM
Replies: 37
Views: 3,013
Posted By BillL
Be anal about sealing any leaks.

Here is some test data on my homemade plenum, James cowl, M1B stock RV7 with the exit fairing at firewall, and 4-into-exhaust pipe. I wrapped every square inch of fin that was covered by the stock...
Forum: RV General Discussion/News 04-24-2022, 06:17 PM
Replies: 37
Views: 3,013
Posted By BillL
Steve, I think it appears that way because there...

Steve, I think it appears that way because there is too much air bypassing the fins on the engine/cooler. The exit area of the James is quite adequate on the 7, when using a radius down to the...
Forum: RV Building Tips/Techniques 04-22-2022, 09:22 PM
Replies: 4
Views: 402
Posted By BillL
I sent some photos to your email address, Larry,-...

I sent some photos to your email address, Larry,- pls let me know if you don't get them. I actually made a test box and pressurized it with air to test spacing of various configurations. 3" seemed be...
Forum: RV Ongoing Maintenance Issues 04-22-2022, 03:11 PM
Replies: 11
Views: 1,155
Posted By BillL
You must work fast with B1/2

Here is a chart from 3M for the standard products.

25015
Forum: RV-7/7A 04-21-2022, 07:53 PM
Replies: 34
Views: 2,729
Posted By BillL
:eek::eek::D:o

:eek::eek::D:o
Forum: RV-7/7A 04-21-2022, 06:36 PM
Replies: 34
Views: 2,729
Posted By BillL
It depends on how accurate you want the device.

I wanted to be sure mine was precise and tested the tube, stick methods in a beaker. The wicking did not give an accurate reading. Somewhere I saw a strip of aluminum with holes so that was tested....
Forum: RV Ongoing Maintenance Issues 04-21-2022, 07:23 AM
Replies: 30
Views: 2,926
Posted By BillL
Good path!!

Try 218-404-0314 . . . . I think that is a common number that Ross, George, or Kris will answer. It is not like them to miss a call.

In any case, you are on a good path, and if it goes badly, sand...
Forum: RV Building Tips/Techniques 04-21-2022, 07:12 AM
Replies: 15
Views: 1,758
Posted By BillL
Trying to hold up that with something at "arms...

Trying to hold up that with something at "arms length" seems awkward and weak.

Can you continue straight to the next rib? Then you can use an adel along the rib to keep it from ever possibly...
Forum: RV Ongoing Maintenance Issues 04-21-2022, 06:56 AM
Replies: 7
Views: 392
Posted By BillL
Here is what I did. Corner, reinforced to the...

Here is what I did. Corner, reinforced to the head screw, then a cooler brace to the center of the mount.

Be sure to torque the screws into the head. I had a couple come loose from the feels-right...
Forum: RV Building Tips/Techniques 04-20-2022, 09:19 AM
Replies: 14
Views: 1,020
Posted By BillL
The 8 has more room down there than my 7, and I...

The 8 has more room down there than my 7, and I did use a larger area for the fiberfrax, I used 3M spray contact cement and with 200 hrs it still sticks well. I do have a couple of areas that have...
Forum: RV-14 04-20-2022, 06:35 AM
Replies: 37
Views: 3,261
Posted By BillL
The $200 is a personal call, but the starter can...

The $200 is a personal call, but the starter can be repaired if it is indeed the solenoid. I have no concerns about a/my repaired unit. Just do the checks to verify the failure mode. Electrical or...
Forum: RV Ongoing Maintenance Issues 04-19-2022, 05:39 PM
Replies: 12
Views: 1,569
Posted By BillL
turbo - - thanks for posting the results, a...

turbo - - thanks for posting the results, a couple of questions if you don't mind -

a.What oil have you been using, predominantly.

b. does your engine have cooling jets under the pistons?

c....
Forum: Traditional Aircraft Engines 04-19-2022, 08:49 AM
Replies: 10
Views: 1,553
Posted By BillL
#1 - you can not depend on the color rendering of...

#1 - you can not depend on the color rendering of the scope to be accurate. If you want to get a scare look at your throat.

#2 - It is just lead deposits.

#3 - don't get too excited about what...
Forum: Electrical Systems 04-19-2022, 07:06 AM
Replies: 16
Views: 1,755
Posted By BillL
Down here with the rabbits . . . . . and IRS attorneys . . .

:D

Holy smoking breakers!! - - if one hooked power to LOAD rather than LINE, that gives me a headache even beginning to think about creating an FMEA for the Potter-Brumfield design with all the...
Forum: Electrical Systems 04-18-2022, 07:19 AM
Replies: 16
Views: 1,755
Posted By BillL
I would just call the TE customer service line +1...

I would just call the TE customer service line +1 800 522 6752 to get the final word. I looked at the W23 TDS and it had non definitive answer.

They were quite helpful the last time I called . . ....
Forum: RV Ongoing Maintenance Issues 04-17-2022, 09:33 AM
Replies: 30
Views: 2,926
Posted By BillL
Cracks?

Cracks? Hairline cracks, like on the surface? If that is the case, they are likely down through the gelcoat. Gelcoat is rather brittle and not so strong. If the crack is not completely eliminated,...
Forum: Safety 04-17-2022, 05:50 AM
Replies: 41
Views: 4,431
Posted By BillL
Universally misunderstood word.

I agree with the last statement, I was taught that "ROGER" means I heard you say something but not necessarily that it was understood.

My (1986) training environment was in Mobile AL, a busy...
Forum: RV Building Tips/Techniques 04-16-2022, 07:46 AM
Replies: 21
Views: 1,548
Posted By BillL
What is your goal?

These guys have addressed the basics and DanH quite well as usual. As an observation and pitfall, poor oil cooling has typically resulted from either, (1) speed pursuits where mass flow (and delta P)...
Forum: Tools 04-16-2022, 07:22 AM
Replies: 25
Views: 2,121
Posted By BillL
No good answer??

phosphate (black oxide) is not really a protection, it just holds oil longer for protection. Better than nothing, Caswell plating has some concentrate that works at room temps.

I would think a...
Forum: Electrical Systems 04-13-2022, 03:06 PM
Replies: 6
Views: 960
Posted By BillL
I found it difficult on my 7 to route wires down...

I found it difficult on my 7 to route wires down the side of the forward cabin. A few were done up under the longeron rail, but I would not recommend it or do it again. It was most easy to route down...
Forum: RV-8/8A 04-13-2022, 05:16 AM
Replies: 10
Views: 1,195
Posted By BillL
At least one Sikka Crack

https://vansairforce.net/community/showthread.php?t=179925
https://vansairforce.net/community/showpost.php?p=1411053&postcount=25

Sikka might be a good option if it was always thick enough to shear,...
Forum: RV General Discussion/News 04-12-2022, 06:54 PM
Replies: 9
Views: 1,815
Posted By BillL
Looking forward to progress and photos!!

Looking forward to progress and photos!!
Forum: Propellers 04-10-2022, 02:48 PM
Replies: 10
Views: 983
Posted By BillL
Pretty good summary I think. I have the composite...

Pretty good summary I think. I have the composite and concur with the 3-4 kts slower, but warned of that from Hartzell. Glide is not affected if the gov knob is pulled out. Low RPM at full power and...
Forum: RV Ongoing Maintenance Issues 04-10-2022, 08:21 AM
Replies: 9
Views: 1,075
Posted By BillL
KOGER (https://www.kogersunshades.com)

KOGER (https://www.kogersunshades.com)
Forum: Glass Cockpit 04-08-2022, 05:16 PM
Replies: 16
Views: 1,592
Posted By BillL
Congratulations!

Good for you!! No one finishes an airplane with everything working without perseverance (and friends!!!) . Happy to hear it was the little things - they are the most difficult.

I wrestled with the...
Forum: RV-7/7A 04-07-2022, 03:51 PM
Replies: 7
Views: 2,986
Posted By BillL
Has anyone made the EAA spring bucking bar?

This is an older thread, but figured it is the right place for another/similar bucking method. I recently saw EAA video on a "custom bucking" bar that was spring loaded.

I have tried to replicate...
Forum: Electrical Systems 04-06-2022, 08:30 PM
Replies: 53
Views: 19,593
Posted By BillL
I concur, INR724 diode bridge fits and works. ...

I concur, INR724 diode bridge fits and works.

Vern, did your SRE bearing look like this? I need to confirm if these are still used.
24349
Forum: Traditional Aircraft Engines 04-06-2022, 09:26 AM
Replies: 19
Views: 1,925
Posted By BillL
Observations - no recommendation.

These are the key attention getters to me for different reasons.

5 hrs/qt - -assuming you are already operating at 6qts or less - not ideal but not specifically actionable.

vertical...
Forum: RV Building Tips/Techniques 04-05-2022, 08:34 PM
Replies: 17
Views: 1,386
Posted By BillL
You can read between Dan's lines here, but to be...

You can read between Dan's lines here, but to be clear - peel one side off before it cures and apply that to the fins. The adhesion is quite good. Remember, the tips of the fins are the coolest.
Forum: RV General Discussion/News 04-04-2022, 07:10 AM
Replies: 11
Views: 1,294
Posted By BillL
Just to add an explanation point to the bead...

Just to add an explanation point to the bead blasting.

I never thought much compressive stress would be applied by the tiny glass beads. This requires yielding of the surface of course. As a...
Forum: Glass Cockpit 04-03-2022, 09:51 AM
Replies: 16
Views: 1,592
Posted By BillL
What is actionable for the OP here?

While all you said may be correct, should the OP should not test his sensor?? Keep doing the same thing or send the GSU 25 back to Garmin??
Forum: RV Ongoing Maintenance Issues 04-03-2022, 09:32 AM
Replies: 25
Views: 2,915
Posted By BillL
That is a cool idea!!!

That is a cool idea!!!
Forum: Electrical Systems 04-03-2022, 09:11 AM
Replies: 7
Views: 480
Posted By BillL
Check DanH post "alternator fooled me"...

Check DanH post "alternator fooled me" (https://vansairforce.net/community/showthread.php?t=125262&highlight=fooled)
Forum: Traditional Aircraft Engines 04-03-2022, 05:38 AM
Replies: 4
Views: 959
Posted By BillL
The fact that it was stuck to the VC is an...

The fact that it was stuck to the VC is an indication that the shaft is not moving around. It could have been one cold start or it just broke on it's own. Who knows . . . it could have been cracked...
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