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Search: Posts Made By: BillL
Forum: RV-10 Yesterday, 05:49 PM
Replies: 11
Views: 765
Posted By BillL
Thanks, Bob, I am surprised the silicone o-rings...

Thanks, Bob, I am surprised the silicone o-rings work with fuel, but clearly they do. Nice mod.

BTW - I have been using DC4 and it dissolves off and gets stiff again quickly. Lately, I use my fuel...
Forum: RV General Discussion/News Yesterday, 05:26 PM
Replies: 7
Views: 766
Posted By BillL
Good to hear your comparative report over broad...

Good to hear your comparative report over broad range of performance conditions. I have 55 hrs now and nothing to compare it with. The thin-wide blade does seem to have quite good efficiency at...
Forum: RV General Discussion/News Yesterday, 02:54 PM
Replies: 6
Views: 238
Posted By BillL
Steve, I did three tests. 1.Pressure leak test...

Steve, I did three tests.

1.Pressure leak test between the fuse wall and servo. Air pressure (30 psi) for 24 hrs. Had zero drop, but if anything leaked (a 10 friend did) it dropped pretty fast as...
Forum: RV General Discussion/News 11-18-2018, 08:25 AM
Replies: 23
Views: 2,023
Posted By BillL
Post #3 Dan,

Post #3 Dan,
Forum: RV General Discussion/News 11-17-2018, 10:43 PM
Replies: 49
Views: 10,910
Posted By BillL
Not hinting at this as a root cause, Jon. But to...

Not hinting at this as a root cause, Jon. But to be clear, there have been 4 structural failures, all 7's, so 4 out of 1600. They are C-GNDY - overspeed, N174BK- overspeed, N307AB - turbulence, and...
Forum: RV General Discussion/News 11-17-2018, 05:35 PM
Replies: 49
Views: 10,910
Posted By BillL
All the supporting documents seem to be correct,...

All the supporting documents seem to be correct, it's just the top level summary.

I think the materials lab report has the best attempt at the root cause. There is a lot of information in...
Forum: RV General Discussion/News 11-17-2018, 11:07 AM
Replies: 23
Views: 2,023
Posted By BillL
Here is a new ND alternator previously...

Here is a new ND alternator previously recommended by Ross F.

http://www.ecae.com/alt1.html

Go to the 2026 and note it has a field wire connection. A OVPM would be needed, but it appears to be the...
Forum: RV-10 11-17-2018, 10:49 AM
Replies: 22
Views: 798
Posted By BillL
Sidebar

Mel, I was curious about some seals so took a piece of al sheet and attached a the seal around the perimeter, used spacers and clamped to a second sheet. Then pressurized it with a pressure regulator...
Forum: Traditional Aircraft Engines 11-17-2018, 08:49 AM
Replies: 9
Views: 867
Posted By BillL
Consider the Kevin Horton Method

I used the Lycoming book values for ball park, then used Kevin Horton's spreadsheets to generate fuel flows & speed for any engine setting at any altitude, temperature, and gross weight. It works...
Forum: RV Building Tips/Techniques 11-17-2018, 08:29 AM
Replies: 36
Views: 907
Posted By BillL
+1 Highly recommended. I have the 5 hp version...

+1 Highly recommended. I have the 5 hp version and have abused it for many years (25). I burned up the motor, (blowing out my irrigation system), blew a head gasket, and fractured the cooling line...
Forum: RV General Discussion/News 11-16-2018, 06:56 PM
Replies: 49
Views: 10,910
Posted By BillL
Someone needs to report back to the investigator....

Someone needs to report back to the investigator. The report says the aircraft is a RV-4 and RV7 and a 200hp O-320 A1A. I sent a note to an investigator last year and he corrected the report....
Forum: RV-7/7A 11-16-2018, 02:57 PM
Replies: 6
Views: 368
Posted By BillL
Thanks, Now I know why mine (RV7) cracked, it is...

Thanks, Now I know why mine (RV7) cracked, it is tight. Creased the right fairing. It is mounted pretty stiff to the gear at the top and the wrap for the brake line (at top, center and bottom) is...
Forum: RV-7/7A 11-13-2018, 06:19 PM
Replies: 25
Views: 1,398
Posted By BillL
Slots AND new hinges.

Mark, Lets talk about the slots vs new drilled hinges - you will need to do both. I think I slotted, flew, measured, slotted some more, etc a dozen times before it was all sorted and flew balanced....
Forum: Traditional Aircraft Engines 11-13-2018, 06:48 AM
Replies: 22
Views: 5,602
Posted By BillL
Thanks for the poll, interesting results.

I do not have enough hours to perfect the data accumulation yet so did not add to the poll. (53)

I had the chance to acquire data from a few dozed lab engines running a specific cycle, and they were...
Forum: RV General Discussion/News 11-13-2018, 06:20 AM
Replies: 2
Views: 242
Posted By BillL
Those look like a normal wire-to-wire crimped...

Those look like a normal wire-to-wire crimped connector. There is no reason not to use a connector there. There are many reasons people don't like connectors.

a. PITA to investigate, size properly,...
Forum: RV General Discussion/News 11-12-2018, 07:15 AM
Replies: 44
Views: 2,770
Posted By BillL
+1 What ever yields the least confusion. Kt...

+1 What ever yields the least confusion. Kt works for the "system" . :D


I just hate the mixed units though. Like an ASOS report; C, kts, statute visibility. If it changes, do it all at once, don't...
Forum: Tools 11-11-2018, 07:48 PM
Replies: 1
Views: 209
Posted By BillL
Thumbs up I just bought a Rikon 10-305 - single speed 10". ...

I just bought a Rikon 10-305 - single speed 10". Quiet, smooth and with the vacuum attached, does a pretty good job of keeping aluminum flakes from embedding in the tire. Unlike my light, cheap 9"....
Forum: RV-12 11-10-2018, 01:34 PM
Replies: 10
Views: 829
Posted By BillL
Just for perspective.

It looks like the correct sensor connection. Statistically, sensors are less reliable than the oil system. Having said that, if it does not act perfectly normal once starting, I would install a...
Forum: Glass Cockpit 11-09-2018, 10:13 PM
Replies: 5
Views: 603
Posted By BillL
Thanks for the Replies . . . and,

DanO and Mark, thanks for your posts, that helps. Using the time of sunset, I can know what to expect, and may just set it (from auto) ahead of time to avoid the time delay. I don't know how much...
Forum: Traditional Aircraft Engines 11-09-2018, 09:08 AM
Replies: 17
Views: 2,280
Posted By BillL
Thanks for posting, Mahlon, that is something I...

Thanks for posting, Mahlon, that is something I was thinking as it is done regularly on cranks when they can be accessed. The "screw" effect breaks the hydrodynamic lifting and pushes surface film...
Forum: RV-10 11-08-2018, 10:27 PM
Replies: 7
Views: 418
Posted By BillL
I would not do that alone, do a final clean with...

I would not do that alone, do a final clean with isopropyl alcohol at least 91% then blow dry. The last 9% is water. Pure ethanol would be nice, but you never know what denaturants are used to keep...
Forum: Traditional Aircraft Engines 11-08-2018, 01:19 PM
Replies: 13
Views: 1,751
Posted By BillL
Arrgggh

Agree . . My gut was corrosion, but moisture is right there. Sulfur in the fuel and blow-by will acidify the moisture in the oil. Another contributor is overdue oil changes and allowing TBN (ability...
Forum: Alternative Engines 11-07-2018, 06:08 PM
Replies: 129
Views: 18,064
Posted By BillL
It may be trapped air, but your cavitation...

It may be trapped air, but your cavitation comment may be more accurate. I would suggest you install a restrictor in the two bypasses you have there. Maybe a 1/4" hole in each. Then install the...
Forum: Traditional Aircraft Engines 11-07-2018, 04:15 PM
Replies: 17
Views: 2,280
Posted By BillL
BTW - One foot (12") of water is only 0.5 PSI - -...

BTW - One foot (12") of water is only 0.5 PSI - - 3 psi is 72" of water. Maybe you had a missing decimal. It happens :D

If it is holding 12" over night, is it still weeping/leaking at the front...
Forum: Fuel Injection Systems 11-07-2018, 08:00 AM
Replies: 8
Views: 899
Posted By BillL
Or an extra piece firesleeve with red RTV. And...

Or an extra piece firesleeve with red RTV. And don't forget to seal the perimeter of that baffle it is a huge source of unproductive leaks.

Original MS35489-20X New one from this...
Forum: RV-4 11-06-2018, 05:50 PM
Replies: 13
Views: 4,235
Posted By BillL
There is a specification for that nut and its...

There is a specification for that nut and its less than half of the standard. If you do the wedge calculations for the pin contact stress vs axial load, you will find it is very high. It is an...
Forum: RV-7/7A 11-06-2018, 05:34 PM
Replies: 8
Views: 1,774
Posted By BillL
I think the phase of the moon affects canopy...

I think the phase of the moon affects canopy dimensions!! Not seriously, but mine changed every time anything related was riveted. Once it was all square and even it has not changed a bit in phase I....
Forum: RV General Discussion/News 11-06-2018, 06:43 AM
Replies: 14
Views: 2,150
Posted By BillL
Another one.

Since first flight in Jan 2018, I have had my 7 do this pretty clearly three times. Once was hot & slow on downwind after the third T&G. Once at 5 gph 2300 rpm, super lean at 8000ft after about 45...
Forum: Glass Cockpit 11-05-2018, 07:34 AM
Replies: 16
Views: 1,225
Posted By BillL
+1 but with limited use time so far.

+1 but with limited use time so far.
Forum: RV-14 11-05-2018, 07:32 AM
Replies: 7
Views: 700
Posted By BillL
After a VAF report about the suction cup...

After a VAF report about the suction cup resulting in a deformed canopy on warm days, I have struck that option off my list.
Forum: Glass Cockpit 11-04-2018, 01:55 PM
Replies: 5
Views: 603
Posted By BillL
Not a safety issue because . . .

Nobody does approaches at sunset, or nobody sets the day/night color setting to automatic?
Forum: RV General Discussion/News 11-04-2018, 01:41 PM
Replies: 14
Views: 1,436
Posted By BillL
+1 Fly, then drain. Preheating and draining is...

+1 Fly, then drain. Preheating and draining is ok in a pinch, but not good as a standard practice. Always take the sample for analysis after flying and hot.
Forum: Propellers 11-04-2018, 07:26 AM
Replies: 28
Views: 2,833
Posted By BillL
How much is prop and how much is spinner?

The whole thread calls this prop balance, but during a Hartzell factor tour I watched them balance check each prop at the end of the line. Many needed nothing some, only needed a #10 washer or half...
Forum: Glass Cockpit 11-03-2018, 07:18 PM
Replies: 5
Views: 603
Posted By BillL
G3X Color Mode for Night ??

Situation: I have been getting some IFR training and doing some approaches at sundown. With the approach plate showing on the right (non-touch MFD) screen, it went blank and showed the spinning wheel...
Forum: RV Ongoing Maintenance Issues 11-03-2018, 08:07 AM
Replies: 8
Views: 625
Posted By BillL
Larry, as a start, Odyssey has a pretty good...

Larry, as a start, Odyssey has a pretty good technical manual on their batteries. It addresses a discharge test and the ideal charging amps etc. It is a bit fluffy, but the technical information...
Forum: Traditional Aircraft Engines 11-02-2018, 09:18 PM
Replies: 28
Views: 4,484
Posted By BillL
Let us know, hopefully it will get returned...

Let us know, hopefully it will get returned "improved".
Forum: Traditional Aircraft Engines 11-02-2018, 09:11 PM
Replies: 28
Views: 4,484
Posted By BillL
Agree Steve.

Agree Steve.
Forum: RV-10 11-02-2018, 08:55 PM
Replies: 4
Views: 718
Posted By BillL
Unfortunately, the 7 inner brackets can not be...

Unfortunately, the 7 inner brackets can not be made to fit the 10. The outer brackets can. Just get the original 10 inner brackets, weld up the holes (anneal) and drill to new hole locations.
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-02-2018, 07:54 PM
Replies: 5
Views: 627
Posted By BillL
You can do that. The "8" rudder is the same...

You can do that. The "8" rudder is the same rudder originally shipped with the 7 kits. It just needs a new VS cap, nothing changes on the HS, and new stops, like the drawing. The 8 (early 7, late 6)...
Forum: RV Ongoing Maintenance Issues 11-02-2018, 07:26 PM
Replies: 8
Views: 625
Posted By BillL
I like the idea of a quick easy periodic test.

PbA batteries don't like to be cycled, especially a wide range for DoD, depth of discharge. The Odyssey AGM and it's more pure lead material is more tolerant of that, but not like the batteries...
Forum: Electrical Systems 11-02-2018, 07:29 AM
Replies: 41
Views: 2,312
Posted By BillL
Do what you can . . .

re-commission the system (test) on the ground. Even though I had a schematic, worked with Stein to build the panel and installed the panel, once the plane was ready to fly, I hooked up an external...
Forum: RV General Discussion/News 11-01-2018, 10:16 PM
Replies: 9
Views: 843
Posted By BillL
+1, Bob from Wisconsin. Great support and price...

+1, Bob from Wisconsin. Great support and price on a years phone service. Several products with different features.
Forum: Traditional Aircraft Engines 11-01-2018, 06:49 PM
Replies: 8
Views: 959
Posted By BillL
Sounded pretty straight forward and technically...

Sounded pretty straight forward and technically correct to me. It means that the desired 3-4 deg ATC pressure peak (IIRC) is more advanced and will have higher peak pressure and temperature than...
Forum: RV-10 11-01-2018, 09:10 AM
Replies: 8
Views: 545
Posted By BillL
I am a 7 builder, but think you will want -3, 0,...

I am a 7 builder, but think you will want -3, 0, X, & Y. The reflex is up even with the flaps and ailerons and will be more fuel efficient (faster). It's by the book.
Forum: Electrical Systems 11-01-2018, 08:21 AM
Replies: 50
Views: 14,537
Posted By BillL
With all that work, you should be very...

With all that work, you should be very entertained by this (http://www.commitlift.com/AirVenture2018USBpresentation.pdf) presentation.
Forum: Electrical Systems 11-01-2018, 07:18 AM
Replies: 50
Views: 14,537
Posted By BillL
There is one I have not installed yet. It is set...

There is one I have not installed yet. It is set up for the apple protocol. The information is not handy right now, but will send via email to you. It is a little bulky on the backside due to a heat...
Forum: RV-6/6A 11-01-2018, 06:54 AM
Replies: 3
Views: 561
Posted By BillL
Having used the forward locations on my 7 and...

Having used the forward locations on my 7 and finding issues with congestion with wires, tubes, and aileron pushrod in the wing/fuse gap when installing the wings - - I would suggest the aft/low...
Forum: RV General Discussion/News 10-31-2018, 08:36 PM
Replies: 8
Views: 760
Posted By BillL
I just happened to discover some deadband in my...

I just happened to discover some deadband in my tail spring and elected to install a taper pin in the forward tail spring attachment. I would recommend you have a diamond hone plate available and...
Forum: Probable Cause Documents Discussed 10-31-2018, 07:23 AM
Replies: 8
Views: 1,288
Posted By BillL
Agree with checking under cowl each flight for...

Agree with checking under cowl each flight for first few, and maybe more if solving issues. I did not find anything loose, but did check. Also identify and address oil leaks immediately. They start...
Forum: RV-7/7A 10-30-2018, 07:04 AM
Replies: 12
Views: 1,918
Posted By BillL
YMMV

Mark has some good advice above.

I have the Avery dimple dies ( excellent tool ) and still got a few rivets that showed gap under the perimeter. Although they are not a structural issue, there...
Forum: RV General Discussion/News 10-29-2018, 11:57 AM
Replies: 9
Views: 1,071
Posted By BillL
How I would do it.

If you have the 1" strips cut off and have not sanded, they will fit perfectly back in place. If so, I would match them back up, and use some packing tape on the outer surface to tape them in place....
Forum: RV-10 10-27-2018, 08:40 PM
Replies: 5
Views: 959
Posted By BillL
Excellent location, Thanks!

Excellent location, Thanks!
Forum: RV Building Tips/Techniques 10-27-2018, 07:31 PM
Replies: 8
Views: 709
Posted By BillL
Charlie, did you make your stainless bracket the...

Charlie, did you make your stainless bracket the same shape as the SJ plans?
Forum: RV Building Tips/Techniques 10-27-2018, 05:30 PM
Replies: 8
Views: 709
Posted By BillL
Making per plans is difficult to bend at home....

Making per plans is difficult to bend at home. The Vans brackets will save weight too, good move, wish I had done that, (and might yet). Good to hear Sam was helpful.
Forum: RV-10 10-27-2018, 12:05 PM
Replies: 5
Views: 959
Posted By BillL
Nice: DATA!!

First, where was your thermocouple located and was it exposed to the same radiation as the failed battery?

My testing shows that running lean with high EGT's affects the under cowl temps. Yours may...
Forum: RV-10 10-27-2018, 07:56 AM
Replies: 6
Views: 566
Posted By BillL
Yes, outside of the bottom of the vee. The...

Yes, outside of the bottom of the vee. The challenge is positioning. Hope this works for you, so go slowly.
Forum: RV-10 10-26-2018, 09:50 PM
Replies: 6
Views: 566
Posted By BillL
First be sure you need to change it, then . . ....

First be sure you need to change it, then . . .

If it was me, I'd just take a socket 1/2" to 3/4" dia and sit it in the vee and press it in a vice to spread it. If you are only a couple of degrees...
Forum: RV Building Tips/Techniques 10-26-2018, 04:44 PM
Replies: 24
Views: 1,024
Posted By BillL
Please show or sketch what your reference points...

Please show or sketch what your reference points are for saying the inlets are off.
Forum: RV-7/7A 10-26-2018, 08:07 AM
Replies: 10
Views: 784
Posted By BillL
Less than ideal so . . .

I won't disagree with Walt, on the ground plane, but I did locate my transponder antenna where you mention, just behind the FW and outboard of the angle forming the center channel on the 7. That way...
Forum: RV Building Tips/Techniques 10-26-2018, 07:45 AM
Replies: 24
Views: 1,024
Posted By BillL
It is made from a mold for hand layup. When last...

It is made from a mold for hand layup. When last I saw the molds, Will had them perfect. With Wills failing health, they were shipped back to Florida and likely (apparently) incurred some damage....
Forum: RV Building Tips/Techniques 10-26-2018, 07:38 AM
Replies: 24
Views: 1,024
Posted By BillL
Yes, also consider the inlet rings, too. Check...

Yes, also consider the inlet rings, too. Check them as you sand down to fit the cowl edges and be sure they are even side to side. The edges at the rings end up pretty sharp, not rounded to the air...
Forum: Traditional Aircraft Engines 10-25-2018, 05:34 PM
Replies: 5
Views: 645
Posted By BillL
I did this as well, standard rear baffle inlet. ...

I did this as well, standard rear baffle inlet. I took a couple of layers of 1/16" thick fiberfrax insulation, wrapped it with heavy oven foil (sealed it) and wrapped my heat muff can. A template...
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