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Search: Posts Made By: BillL
Forum: Traditional Aircraft Engines Today, 07:19 AM
Replies: 101
Views: 12,951
Posted By BillL
Thanks, Dan, I did not see that in the Tempest...

Thanks, Dan, I did not see that in the Tempest docs.

That opening pressure is what I figured it might be, maybe less since Tempest claims their filters meet the Continental spec implying it is...
Forum: RV-4 Yesterday, 08:53 PM
Replies: 11
Views: 1,265
Posted By BillL
Suggest you get a design recommendation from...

Suggest you get a design recommendation from Vans. It is just a super stiff structure right up to the point that part of the rail is cut and left with an opportunity for unexpected loading. Clearly...
Forum: Traditional Aircraft Engines Yesterday, 06:52 PM
Replies: 14
Views: 485
Posted By BillL
I don't see that the OP has stated what starting...

I don't see that the OP has stated what starting battery chemistry is installed. A LiFePO battery will draw quite high amps after a start and could result in high alternator torque.

BTW - belts are...
Forum: Traditional Aircraft Engines 08-07-2022, 08:51 AM
Replies: 101
Views: 12,951
Posted By BillL
The internal pressure bypass for the 108 has been...

The internal pressure bypass for the 108 has been said by Tempest to be 12-14 psi. Do we know the bypass pressure at which the Lycoming base opens (110)?

The reason asked is to get confirmation...
Forum: Safety 08-06-2022, 03:42 PM
Replies: 34
Views: 2,407
Posted By BillL
We can not forget the rudder stops too. They...

We can not forget the rudder stops too. They revert to the original design. Ugh - more paint.
Forum: Safety 08-06-2022, 03:22 PM
Replies: 34
Views: 2,407
Posted By BillL
Same situation, hanging in the basement. If you...

Same situation, hanging in the basement. If you do I will. :D
Forum: Trip Write-ups 08-06-2022, 10:38 AM
Replies: 8
Views: 1,160
Posted By BillL
Nothing special? HA!

Well said Smokey. . . . I believe that is the differentiator that will make the RV15 a huge success.
Forum: RV General Discussion/News 08-06-2022, 10:11 AM
Replies: 53
Views: 7,424
Posted By BillL
There may be more facts to accompany this photo. . .

before we draw conclusions. IIRC, A while back (as posted on VAF w/video) an airshow pilot in a row of 8's with full flaps (simultaneously) did a start, run-up and smoke on the line. With full...
Forum: Safety 08-06-2022, 09:58 AM
Replies: 34
Views: 2,407
Posted By BillL
The 7 tall/9 rudder is 936 in^2 without the glass...

The 7 tall/9 rudder is 936 in^2 without the glass ends. The center of the area is 12" from the pivot line. .016" skin.

The 7-short aka 8 rudder is 718 in^2 w/o glass ends. .020" skin
Forum: Places To Fly...Things to See...Things to Eat 08-05-2022, 04:37 PM
Replies: 12
Views: 679
Posted By BillL
Personally

I learned to fly out of Brookley field (formerly AFB), sure would like to see/tour Airbus if that is available.
Forum: Safety 08-05-2022, 08:29 AM
Replies: 34
Views: 2,407
Posted By BillL
Steve made a nice silent video and he installed...

Steve made a nice silent video and he installed the elevator lock in 30 seconds. One side was rope only, the other contained a bungee with a short rope loop, just enough for installation.
Forum: Safety 08-05-2022, 07:29 AM
Replies: 34
Views: 2,407
Posted By BillL
Digging a little deeper.

What would be the tension on a rudder cable with a 90 ft-lb torque? 360#? The Gustbuster guy calculated 90lb for the tall 7/9 rudder is that in the ball park?

What torque on the rudder horn is...
Forum: RV General Discussion/News 08-04-2022, 03:23 PM
Replies: 53
Views: 7,424
Posted By BillL
Really sorry to hear that Jim. I was sent to 27...

Really sorry to hear that Jim. I was sent to 27 too (Tuesday) and exited on the left. But really wondered what lay in wait in that grass. I'll bet the mowers know where the "stuff" is located.

On...
Forum: Safety 08-04-2022, 02:45 PM
Replies: 91
Views: 9,775
Posted By BillL
Sounds like field validation.

Short of a lazy susan on top of a truck (60 mph) rotating with a rudder held by this gust lock, that is a good endorsement!
Forum: Safety 08-04-2022, 07:20 AM
Replies: 91
Views: 9,775
Posted By BillL
Does this happen every year or just even years?

Steve Melton (now anonymous) offers a printed set of gust locks that holds the TE and anchors to the elevator locks with ropes employing a short shock cord.

Did anyone have one of these (or...
Forum: Midwest 08-04-2022, 07:01 AM
Replies: 3
Views: 299
Posted By BillL
You might call Nick Scholte, he is an approved...

You might call Nick Scholte, he is an approved Vans transition instructor and IAC Aerobatics instructor too. Located at Morris,IL (C09) not too far from you. He is available in evenings, but pretty...
Forum: RV General Discussion/News 08-03-2022, 03:00 PM
Replies: 15
Views: 1,411
Posted By BillL
Talking Indeed!:D:

Indeed!:D:
Forum: RV General Discussion/News 08-02-2022, 08:57 PM
Replies: 8
Views: 1,363
Posted By BillL
I thought I missed something . . . .

I got pass through w/o rocking this year and I was totally confused . . . I thought missed something I went back and tracked my route via FlightAware, and watched/listened to my cockpit video. They...
Forum: RV General Discussion/News 08-02-2022, 06:19 AM
Replies: 12
Views: 1,421
Posted By BillL
Maybe a unique "RV Arrival" profile.

Funny comments, but seriously, mixing RV with cessna's and cubs could be improved. An RV corridor might help the landing phase would be the same. It would seem that consistent speeds and like...
Forum: RV Building Tips/Techniques 08-02-2022, 06:07 AM
Replies: 5
Views: 420
Posted By BillL
If you have a pneumatic squeezer install to full...

If you have a pneumatic squeezer install to full diameter flat sets, they are slightly crowned already. Use that to squeeze the flange to flatten and stretch it. The sets will slightly extrude the...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 08-01-2022, 05:41 PM
Replies: 20
Views: 2,165
Posted By BillL
+1 - - I did get to talk with Kacy, though. ;)

+1 - - I did get to talk with Kacy, though.
;)
Forum: Painting your RV 08-01-2022, 05:34 PM
Replies: 5
Views: 584
Posted By BillL
According to the SDS (MSDS) it is methylene...

According to the SDS (MSDS) it is methylene chloride, methanol, and mineral spirits. I would not worry about inherent corrosion due to the ingredients.

Some paint removers do use caustic chemicals...
Forum: RV General Discussion/News 07-31-2022, 12:46 PM
Replies: 14
Views: 1,133
Posted By BillL
If this starter has a piggyback solenoid then I...

If this starter has a piggyback solenoid then I would look to that first. Long story, but it was the starter solenoid, cracked solder joint inherent to the skytec solenoid design.

What B&C starter...
Forum: RV-7/7A 07-31-2022, 08:45 AM
Replies: 5
Views: 400
Posted By BillL
Suggestion before calling done.

I left my tips until later and concluded it would have been better to have it done well before the final assembly. Fill rivet gaps, center holes of pull rivets and finish all the balancing with tips...
Forum: Traditional Aircraft Engines 07-31-2022, 05:52 AM
Replies: 17
Views: 1,236
Posted By BillL
Having been a mechanic and engine design&test...

Having been a mechanic and engine design&test engineer I would say the precision of the test repeatability may be in question but not the usefulness. It does take a measure of perspective and...
Forum: RV General Discussion/News 07-30-2022, 10:46 AM
Replies: 14
Views: 2,015
Posted By BillL
Purchase quantity not the problem . . . it is production.

If everyone bought for 2 yrs, it would not change a thing, production rate would not need to change - - if everybody suddenly buys all at once -now we have a problem. A nice lady stopped by my hangar...
Forum: RV-15 07-28-2022, 06:47 PM
Replies: 444
Views: 88,967
Posted By BillL
+1 My wife is not able to get in/out of any...

+1 My wife is not able to get in/out of any existing RV. I am excited for the very reasons above. Being an RV it will be efficient, safe, fun to fly and have all the advantages of an "experimental"....
Forum: RV Ongoing Maintenance Issues 07-28-2022, 11:25 AM
Replies: 65
Views: 10,520
Posted By BillL
Regarding the OP 14 rudder . . .

Hard to really say, but I believe the gust lock has some spring and slop. This allowed it to swing back and forth; the movement tended to push the lock closer to the pivot giving greater angle of...
Forum: RV-10 07-28-2022, 11:17 AM
Replies: 7
Views: 637
Posted By BillL
Disconnected thoughts.

Is it possible there is a higher frequency dynamic and the electronics has an aliasing capture issue? The fuel flow does not seem to change. PostEdit - -A damping orifice should fix that re Brians...
Forum: Traditional Aircraft Engines 07-27-2022, 03:03 PM
Replies: 17
Views: 1,236
Posted By BillL
Definitely not a transient issue.

Assuming you have definitely verified it is exhaust leaking- tube up exhaust and listening to tube. . . .

Looks like you are moving to the next stage(s). Visual inspection of open and closed valve....
Forum: RV-8/8A 07-27-2022, 06:44 AM
Replies: 37
Views: 2,433
Posted By BillL
yep - -And stiffness of the structure and/or...

yep - -And stiffness of the structure and/or backplate.
Forum: Traditional Aircraft Engines 07-27-2022, 06:39 AM
Replies: 17
Views: 1,236
Posted By BillL
350 hrs is in range for a possible valve...

350 hrs is in range for a possible valve sticking, but I think (hoping) Lyc has solved that with the M1B. Honestly I would go run it for 30-60 min at high power lean cruise and be careful on the full...
Forum: RV-7/7A 07-27-2022, 06:25 AM
Replies: 12
Views: 1,219
Posted By BillL
One thing affects others.

Several things going on there.

1. Builder X probably installed that piece either because the glass was goofed, or because they could not get the glass on/off because of the tail spring. Depending...
Forum: Tools 07-27-2022, 05:44 AM
Replies: 13
Views: 1,097
Posted By BillL
Agree w/Steve - more like MAC than Snap-On....

Agree w/Steve - more like MAC than Snap-On. Rugged, get the job done, some fall short.
Forum: Midwest 07-27-2022, 05:40 AM
Replies: 111
Views: 30,511
Posted By BillL
Tuesday Visit

I make a day of Tuesday from 7am Ripon arrival to a 6:45PM departure. I took my neighbor for the day, a first time for him! [Departed home 5am, arrived 8:50pm.]

RV15 - the pulled rivets are prime...
Forum: RV-15 07-27-2022, 05:07 AM
Replies: 8
Views: 2,460
Posted By BillL
Very fine article Paul. It really covers so many...

Very fine article Paul. It really covers so many questions.

I saw it in the raw yesterday and attended the first forum. The airplane aside I was really impressed with the RV15 Technical Team, the...
Forum: RV Building Tips/Techniques 07-25-2022, 05:06 PM
Replies: 165
Views: 153,511
Posted By BillL
I used barrier cream and it has been an excellent...

I used barrier cream and it has been an excellent solution for me when cutting piles of fiberglass. Gloves for epoxy for sure.
Forum: RV-15 07-25-2022, 11:42 AM
Replies: 444
Views: 88,967
Posted By BillL
Thumbs up I am smiling . . . .

Gotta say, I like the tips etc that are CAD designed and printed. We will have some accurate glass! And that is not an oxymoron. Interesting mix of pull/driven rivets. Will be interesting to see what...
Forum: RV Ongoing Maintenance Issues 07-24-2022, 06:18 PM
Replies: 65
Views: 10,520
Posted By BillL
I have a DIY (aluminum) restraint for my 7 rudder...

I have a DIY (aluminum) restraint for my 7 rudder that is between the rudder and HS. I have wondered about it slipping to the pivot and allowing movement.

That could have happened here . . . ...
Forum: Traditional Aircraft Engines 07-24-2022, 05:44 AM
Replies: 20
Views: 1,340
Posted By BillL
Technically you are in range.

OK, that is much better. Technically, since 435F is the lycoming limit for continuous cruise, and around 500F for short term (climb) you do not need to do anything as an emergency. However, the...
Forum: Midwest 07-23-2022, 06:21 PM
Replies: 111
Views: 30,511
Posted By BillL
METAR for KOSH reported wind 21G50 as it hit.

METAR for KOSH reported wind 21G50 as it hit.
Forum: Traditional Aircraft Engines 07-23-2022, 03:47 PM
Replies: 20
Views: 1,340
Posted By BillL
You are welcome. +1, 340-370 range is about...

You are welcome.



+1, 340-370 range is about right for me for ~80's OAT, but depends greatly on the A/F ratio.

Assuming you have a James plenum, where is the oil cooler, large off-engine...
Forum: Instrument Flight Rules 07-22-2022, 02:59 PM
Replies: 25
Views: 1,769
Posted By BillL
Congratulations!! Use it often, I had a 30 yr...

Congratulations!! Use it often, I had a 30 yr hiatus from instrument flight. A year after my RV7 first flight got re-training and current. Going from steam gauges to EFIS and the responsive RV was...
Forum: RV-8/8A 07-21-2022, 09:01 AM
Replies: 37
Views: 2,433
Posted By BillL
Cool - I never thought of this!! I'll have to...

Cool - I never thought of this!! I'll have to try it.
Forum: Alternative Engines 07-21-2022, 08:50 AM
Replies: 29
Views: 3,262
Posted By BillL
Let's be very careful with this topic

When did Vans increase the Vne above 200KTAS?

I'll bet that no fast 7 at Reno is using the standard 9 rudder - people should know what structural mods have been made before even thinking about this...
Forum: RV-7/7A 07-20-2022, 05:17 PM
Replies: 4
Views: 358
Posted By BillL
Yeah, I might be wrong, that sounds a but small....

Yeah, I might be wrong, that sounds a but small. It has been painted, I will recheck tomorrow and correct my post. Thanks.
Forum: Alternative Engines 07-20-2022, 05:07 PM
Replies: 29
Views: 3,262
Posted By BillL
Let's see if they install the -8 rudder like...

Let's see if they install the -8 rudder like General Lee.

Bubba.
Forum: RV-7/7A 07-20-2022, 04:29 PM
Replies: 4
Views: 358
Posted By BillL
Yes, My -7 was made to swing with a 1.5mm thick...

Yes, My -7 was made to swing with a 1.5mm thick cardboard in-between. Vans might specify more.

I put spacers in between with a surface of sandpaper to increase the gap by sanding the correct areas....
Forum: RV-8/8A 07-20-2022, 02:57 PM
Replies: 37
Views: 2,433
Posted By BillL
Measure to be really sure . . .

I am starting over after looking closer at your photo . . .
Rivets look like they are extended too far, measure and verify that you are using the correct rivets. 1.5 diameters should be showing.
Forum: Traditional Aircraft Engines 07-20-2022, 02:47 PM
Replies: 12
Views: 6,253
Posted By BillL
Have some fun learning what the issues are and...

Have some fun learning what the issues are and make appropriate changes based on some data and experience of others.

1. Evaluate what the cause is - excess heat rejection -overly advanced timing...
Forum: RV-12/RV-12iS 07-19-2022, 06:22 AM
Replies: 11
Views: 1,082
Posted By BillL
Ingress/Egress

Main reason for my interest in the RV15, although not sure I have enough time left to order/wait/build/fly w/insurance. :o
Forum: Traditional Aircraft Engines 07-18-2022, 10:32 AM
Replies: 74
Views: 4,529
Posted By BillL
Question

Is the lift drag curve changing with air density? Meaning is Carsons IAS the same at 1000 and 12,000 ft? Or is it TAS?

The idea is to go to an ideal altitude where the engine and airframe...
Forum: RV Building Tips/Techniques 07-18-2022, 10:16 AM
Replies: 16
Views: 1,235
Posted By BillL
Good point MEL.

MEL, you are correct, in that simply dimpling is not the issue. It is the lower yield strength of the 6061 combined with greater potential force from the pneumatic tool. If the tool is set too tight...
Forum: RV General Discussion/News 07-17-2022, 07:23 AM
Replies: 13
Views: 1,129
Posted By BillL
Since when is 1/8 NPT not a pipe thread?? A...

Since when is 1/8 NPT not a pipe thread?? A little more detail please.
Forum: RV Building Tips/Techniques 07-17-2022, 07:21 AM
Replies: 8
Views: 687
Posted By BillL
FYI kraft paper is an abrasive. Try it on some...

FYI kraft paper is an abrasive. Try it on some scraps.
Forum: RV Ongoing Maintenance Issues 07-16-2022, 09:40 AM
Replies: 12
Views: 2,406
Posted By BillL
If it moves/slips, or has a need to be adjusted...

If it moves/slips, or has a need to be adjusted it should be accessible. I had rather do the adjustment squatting than laying on my back. Any direction for the screw except on the back or front...
Forum: RV Ongoing Maintenance Issues 07-16-2022, 07:41 AM
Replies: 12
Views: 2,406
Posted By BillL
Yes it kind of dangles. In retrospect the only...

Yes it kind of dangles. In retrospect the only need for holding that fairing is vertically, as the intersection fairings hold the alignment upper and lower. Holding it in position for making/fitting...
Forum: RV-10 07-16-2022, 07:31 AM
Replies: 20
Views: 1,877
Posted By BillL
Well Done Sir . . .

Nicely done!! Bravo! - the vacuum resin infusion is not so easy to get perfected, I made 4-5 before getting it right. Love the carbon look! This took me 6 months.

Do you have any more photos on the...
Forum: RV Building Tips/Techniques 07-15-2022, 10:30 AM
Replies: 16
Views: 1,235
Posted By BillL
Nuances . . .

Yes, when in doubt dimple, but if it does not fit, touch up with a countersink for a better match.

Beware - there is more at play here than the thickness - if you are doing bent parts, then they...
Forum: RV General Discussion/News 07-14-2022, 05:31 PM
Replies: 13
Views: 1,129
Posted By BillL
Vans carry the CAV-110 valves...

Vans carry the CAV-110 valves (https://store.vansaircraft.com/fuel-tank-quick-drain-valve-cav-110.html), and the o-ring, but they are not flush form factor.
Forum: Traditional Aircraft Engines 07-14-2022, 08:05 AM
Replies: 19
Views: 4,164
Posted By BillL
This was my thought, but not sure if this is a...

This was my thought, but not sure if this is a really bad thing. What did the Lyc guy say about the final effect??
Forum: Electrical Systems 07-14-2022, 07:52 AM
Replies: 3
Views: 540
Posted By BillL
Just a thought.

Put a catch pan under and rinse with mineral spirits. Blow with compressed air then allow to dry before using. I retract any water based cleaner recommendation as some rear bearings have a non-touch...
Forum: Safety 07-13-2022, 05:45 AM
Replies: 20
Views: 1,800
Posted By BillL
Perfectly stated Bob, but still not obvious that...

Perfectly stated Bob, but still not obvious that the decrease in pressure drop losses at low mass flow are higher than high mass flow pumping losses at a lower pressure drop.

Engine performance...
Forum: Safety 07-12-2022, 06:09 PM
Replies: 20
Views: 1,800
Posted By BillL
I am sure this is not what you meant . . .

This just struck my funny bone, sorry . . . I thought; hmmmm, at 16" MAP I can guide at 125ktas for about 6 hours.

To your exact point though - - while a running engine may be rotated at some zero...
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