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Search: Posts Made By: BillL
Forum: RV General Discussion/News Yesterday, 07:49 PM
Replies: 23
Views: 844
Posted By BillL
Question??

Scott, couple of questions - - - any idea what the incoming temps (to the cabin) should be? I can adjust the flow to get this . . .

What is the latest thinking on the best internal baffling for...
Forum: RV General Discussion/News Yesterday, 06:08 PM
Replies: 23
Views: 844
Posted By BillL
Stop warm air leaving the cabin and being replaced by cold air: SM

I was up this morning doing approaches at 16F and rudely reminded of the problem you describe.

I have a frigid breeze that comes around the seats from the back, and based on Scotts comments,...
Forum: RV General Discussion/News 11-30-2022, 09:51 AM
Replies: 8
Views: 750
Posted By BillL
Great question!

I would suppose you could just install a blocking plate, inflate them and sit in the sun, but you really don't know what it will look like after . . . :eek:

I slit the TE of my tips as they were...
Forum: RV-6/6A 11-30-2022, 09:32 AM
Replies: 27
Views: 1,126
Posted By BillL
I need some thinking on this one . . .

I suppose the prop blade torque is a factor in pushing rather than pulling, but this is not obvious to me. It only takes 30 psi oil pressure to go full coarse on my hartzell composite when sitting on...
Forum: RV-12/RV-12iS 11-30-2022, 09:06 AM
Replies: 12
Views: 1,388
Posted By BillL
Happy to see the VAF team testing your fuel systems this way.

This is not the only pump that has leaked. I used 30 psi and have been promoting this test method for 5 yrs or so. It is really the best way to find the leaks. Pick your best detector fluid!

To the...
Forum: Primers 11-28-2022, 09:03 PM
Replies: 11
Views: 498
Posted By BillL
Same but different.

Beware that some HF products, like the purple spray guns, have different suppliers and equally different designs. I bought two, and sprays beautifully but the other does not. The air caps are a bit...
Forum: RV-8/8A 11-26-2022, 07:01 PM
Replies: 20
Views: 847
Posted By BillL
Classic Method - center

Center using hinge section to nut-plate.

34285
Forum: RV General Discussion/News 11-26-2022, 06:13 PM
Replies: 10
Views: 1,534
Posted By BillL
+1 on Vans contact. May ask to sand smooth. I...

+1 on Vans contact. May ask to sand smooth.

I made a spreader to help prevent this. Long thread, two nuts and washers inside. Measured with digital caliper. It helped a lot
Forum: RV Ongoing Maintenance Issues 11-26-2022, 11:23 AM
Replies: 25
Views: 1,751
Posted By BillL
+1 Dan it has external cell balancing not an...

+1

Dan it has external cell balancing not an internal BMS, it makes the battery much less expensive.
Forum: Traditional Aircraft Engines 11-26-2022, 11:11 AM
Replies: 21
Views: 1,096
Posted By BillL
BTW, the fuel hoses FWF have a significant effect...

BTW, the fuel hoses FWF have a significant effect on this. The 5000psi hoses are very stiff and allow little "spring" for solid expansion of the fuel. I tested the Vans standard hoses on my 7...
Forum: RV-6/6A 11-26-2022, 10:44 AM
Replies: 18
Views: 1,042
Posted By BillL
Don't waste $ unless it is on hand.

OK for short term, but longer term get Krytox 205...
Forum: Tools 11-22-2022, 07:20 PM
Replies: 12
Views: 689
Posted By BillL
This 3 lobe hole is typical of a standard drill...

This 3 lobe hole is typical of a standard drill bit in thin material. If you want it round, use a reamer to finish to size.
Forum: RV-8/8A 11-21-2022, 08:33 PM
Replies: 13
Views: 970
Posted By BillL
+1 I adjusted the diameter for each side to...

+1 I adjusted the diameter for each side to balance the stop angles. I like the nylon-metal stop as it is not as hard as metal-metal. YMMV
Forum: RV-8/8A 11-21-2022, 05:24 PM
Replies: 48
Views: 26,181
Posted By BillL
This is the basic design situation. If all...

This is the basic design situation. If all friction is eliminated and it is ensured the master cylinders are indeed returning to uncover the fill hole, then the brakes will function without issue....
Forum: RV General Discussion/News 11-21-2022, 05:05 PM
Replies: 21
Views: 1,904
Posted By BillL
Congratulations guys! You each have quite the...

Congratulations guys! You each have quite the legacy in building of the RV aircraft company and (builder/pilot) experience!

Hope to still hear from you both!
Forum: RV Building Tips/Techniques 11-19-2022, 05:34 PM
Replies: 22
Views: 2,746
Posted By BillL
Don't try to move too fast.

I have been thinking about this thread and rediscovered a shop rule. My plane was built in my basement and it was tight in 3D. Hanging, leaning and sitting.

I discovered the rule: "don't move fast...
Forum: Traditional Aircraft Engines 11-19-2022, 10:36 AM
Replies: 9
Views: 748
Posted By BillL
All pressure-wise looks pretty good. My M1B has...

All pressure-wise looks pretty good. My M1B has 250 hrs and just plotted some pressure vs rpm after landing with 195F oil T. The pressure ramps up linearly and at 1300 rpm pretty well matches yours...
Forum: RV Ongoing Maintenance Issues 11-18-2022, 10:06 AM
Replies: 53
Views: 23,314
Posted By BillL
What else could they say?

Funny - they all probably will/do - - -which is good- people could just send in the goo for analysis. The trouble is the time lag between purchase-application and occurrence, not to mention serial...
Forum: RV Ongoing Maintenance Issues 11-18-2022, 08:05 AM
Replies: 53
Views: 23,314
Posted By BillL
Bill, interesting addition of experience to the...

Bill, interesting addition of experience to the fray. I once had some projects with the 3M research center, so felt comfortable contacting them in regards to reversion. This was maybe 8 yrs ago when...
Forum: RV Ongoing Maintenance Issues 11-17-2022, 09:15 PM
Replies: 53
Views: 23,314
Posted By BillL
Is 3M better?

Is 3M better?
Forum: RV Building Tips/Techniques 11-17-2022, 04:45 PM
Replies: 13
Views: 1,268
Posted By BillL
Beware of the nylon/polyester differences

Breydan makes the various types. I like the polyester and latex coating over the nylon/wax. It is not sticky and does not get dirty looking, but ties great knots.

I really did not like the wax, it...
Forum: RV-14 11-16-2022, 08:16 AM
Replies: 69
Views: 9,744
Posted By BillL
One thing to try.

Dennis,

By-passing air on the front of #2 around that casting flash and zero fin depth is the best, but not the only way to effect some improvement. I made the chute on my 7, but my 10 friend was...
Forum: RV-14 11-16-2022, 08:06 AM
Replies: 69
Views: 9,744
Posted By BillL
Hard to ground it, but too many bad things can happen.

Yes, and you should immediately ground the airplane and fix the problem.

The valve might be closed when shut down, but after cooling, it would stick open slightly. The piston will push it close,...
Forum: RV Ongoing Maintenance Issues 11-16-2022, 07:49 AM
Replies: 25
Views: 5,390
Posted By BillL
Vans has the same machined port...

Vans has the same machined port (https://store.vansaircraft.com/threaded-static-port-kit-pair-static-port-kit.html) with a 1/4-20 thread and nipple. Been offered for years now.


Has anyone ever...
Forum: Probable Cause Documents Discussed 11-13-2022, 10:42 AM
Replies: 13
Views: 1,501
Posted By BillL
Are we sure they weren't both economists?

Are we sure they weren't both economists?
Forum: RV-7/7A 11-11-2022, 10:51 AM
Replies: 9
Views: 423
Posted By BillL
Heat=expansion.

I built a tipper - - I suppose there are many tradeoffs but the only thing not mentioned in the heat is expansion of the plexiglass.

I have had to stop at the end of the runway rev the engine and...
Forum: Propellers 11-11-2022, 10:32 AM
Replies: 43
Views: 2,521
Posted By BillL
The link I provided earlier has all the...

The link I provided earlier has all the information necessary for one to understand show this works and what the principles are. There are papers and plots of TV stresses and displacements that show...
Forum: RV Ongoing Maintenance Issues 11-11-2022, 07:33 AM
Replies: 3
Views: 572
Posted By BillL
Glass beads would be fine, but do your initial...

Glass beads would be fine, but do your initial removal to reveal the base material first. Then keep the pressure below 40 psi (or so) so the blasting does not pucker the area. There are small...
Forum: RV-9/9A 11-10-2022, 12:41 PM
Replies: 22
Views: 1,414
Posted By BillL
Crisp/calm 0-30F days can be the best!!

If needed I use 1200 rpm. It does not take long and gives a chance for cockpit organization and pre-takeoff adjustments.

Diesel white smoke and warm up tests were done in the '80s and the warmup...
Forum: Propellers 11-09-2022, 11:32 AM
Replies: 43
Views: 2,521
Posted By BillL
Steve, thanks for posting this internal view. It...

Steve, thanks for posting this internal view. It is a little surprising that it galled when bathed in high viscosity silicone, but it certainly happened.

Here is a link...
Forum: Tools 11-08-2022, 11:47 AM
Replies: 1
Views: 268
Posted By BillL
Dave, I can not speak to the quality of the...

Dave, I can not speak to the quality of the crimper, but the positioners were the same quality as the DMC. Now . . .I bought a set (12) when they were first being offered and the prices were lower....
Forum: RV General Discussion/News 11-05-2022, 10:22 AM
Replies: 6
Views: 836
Posted By BillL
Overall average kits completed per year 443 for...

Overall average kits completed per year 443 for all models - based on the collection of the periodic reports from Vans courtesy of the Wayback Machine. Actually, it is more steady than I originally...
Forum: RV Ongoing Maintenance Issues 11-04-2022, 08:40 PM
Replies: 4
Views: 571
Posted By BillL
Maybe you can get some leads from this...

Maybe you can get some leads from this (https://idot.illinois.gov/Assets/uploads/files/Doing-Business/Manuals-Guides-&-Handbooks/Highways/Materials/Metals/fasteneridentificationguide.pdf).

It is...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-04-2022, 01:21 PM
Replies: 29
Views: 2,313
Posted By BillL
Well, recall that Ron Schreck posted a bent Vans...

Well, recall that Ron Schreck posted a bent Vans ring (https://vansairforce.net/community/showthread.php?t=170152)from the ramp of an IAS event. He had two helpers hold the wings for egress then got...
Forum: RV Ongoing Maintenance Issues 11-03-2022, 07:22 PM
Replies: 12
Views: 1,041
Posted By BillL
I radius bend my weights with a hammer, and split...

I radius bend my weights with a hammer, and split the weight from side to side. Lead is hard to get (here?).

I use the bearings so the HF cones fit just fine. YMMV

I have considered spinning the...
Forum: RV Ongoing Maintenance Issues 11-03-2022, 08:39 AM
Replies: 7
Views: 1,218
Posted By BillL
Yep - 5mm hex socket head. And .. . . . a 10mm...

Yep - 5mm hex socket head.

And .. . . . a 10mm for the post nut.
Forum: RV General Discussion/News 11-03-2022, 08:20 AM
Replies: 42
Views: 20,648
Posted By BillL
I made my set like the article and used them in...

I made my set like the article and used them in the OSH big blow of 2019. They held solid on my 7 even as the rain softened the ground. It got a few rudders that season too. I was necessary to use a...
Forum: RV Building Tips/Techniques 11-01-2022, 11:31 AM
Replies: 12
Views: 660
Posted By BillL
+1 +1 again. I did the above. Solo.

+1



+1 again. I did the above. Solo.
Forum: Safety 10-31-2022, 09:11 PM
Replies: 16
Views: 1,664
Posted By BillL
Get some Krytox 205.

For short term just oil or grease the cap o-rings, but longer term get Krytox 205 ...
Forum: RV General Discussion/News 10-31-2022, 08:13 AM
Replies: 21
Views: 1,443
Posted By BillL
Big risk

I used nylon washers - a little hard to find, but cheap when you do. I use then under screw heads to avoid paint damage and shimmed a few places on my canopy to match contours.

On your heat. I have...
Forum: GPS 10-31-2022, 07:30 AM
Replies: 15
Views: 1,838
Posted By BillL
It would seem we can navigate but they can not...

It would seem we can navigate but they can not validate separation - so the FAA might want to revisit their plan to eliminate surveillance radar?

Is Garmin developing some INS integration for...
Forum: RV-8/8A 10-30-2022, 06:38 PM
Replies: 8
Views: 916
Posted By BillL
Hear, Hear !...

Congrats!! Yeah - - 1st flight 1/2018 and I was at the hangar today and thinking the same thing!!
Forum: RV-8/8A 10-30-2022, 05:38 PM
Replies: 16
Views: 1,657
Posted By BillL
I do not like those odious rings.

I "saved" the clips and use Viton o-rings. 250 hrs and have not lost a single one.
Forum: Traditional Aircraft Engines 10-30-2022, 01:31 PM
Replies: 10
Views: 940
Posted By BillL
Your thinking is valid from the engine...

Your thinking is valid from the engine performance standpoint, although, the compression and firing pressures would be the constant factor you would want to aim for. Also there is a diminishing...
Forum: RV-7/7A 10-29-2022, 07:36 PM
Replies: 11
Views: 788
Posted By BillL
Here ya go. The counterweight is the same for...

Here ya go. The counterweight is the same for both and in the same location relative to the pivot axis. Weight not including tips. CG measured, not calculated.


33011

33012
Forum: RV-7/7A 10-29-2022, 08:45 AM
Replies: 11
Views: 788
Posted By BillL
There is a recent thread where Walt and others...

There is a recent thread where Walt and others talked about this.

Also, Matt, IIRC, verified that the RV14 rudder is the same and fitted it to his 7. The 14 rudder has a different internal design...
Forum: RV General Discussion/News 10-28-2022, 09:03 PM
Replies: 20
Views: 1,750
Posted By BillL
I had some decades dry masking tape on my canopy...

I had some decades dry masking tape on my canopy film so decided to make it a test - - and tried various solvents/cleaners. The only thing that worked was citrus cleaner. I wet some paper towels and...
Forum: RV-7/7A 10-28-2022, 06:22 PM
Replies: 11
Views: 788
Posted By BillL
Yes, and Yes - it is the same as current 8...

Yes, and Yes - it is the same as current 8 rudder. You will need the 8 VS tip fairing, and both upper and lower fiberglass for the (8) rudder. Both rudders use the same counterweight. You will need...
Forum: RV-14 10-28-2022, 10:59 AM
Replies: 12
Views: 1,058
Posted By BillL
Vans has some tiny washers (really spacers) for...

Vans has some tiny washers (really spacers) for the rod end balls to allow greater off axis motion. This will provide an engineered solution to your custom washers.

They are kinda hard to find when...
Forum: RV Ongoing Maintenance Issues 10-27-2022, 06:34 PM
Replies: 13
Views: 2,305
Posted By BillL
Just an opinion, but I don't think there was...

Just an opinion, but I don't think there was debris in the small space between the guide. My guess is combination of lack of lubrication and heat cause galling of the guide against the sliding stem...
Forum: RV General Discussion/News 10-27-2022, 05:09 PM
Replies: 10
Views: 1,703
Posted By BillL
Battery

I just ordered a new PC680 battery. The box came an hour ago. The battery is in an Amazon package handler. I wonder if it broke the case.

Amazon is sending me a replacement battery. Hope it is...
Forum: Probable Cause Documents Discussed 10-25-2022, 02:54 PM
Replies: 33
Views: 5,080
Posted By BillL
New call signs - LUCKY 1 and LUCKY 2?

It looks just like the 7 with the SB H00001 to be added. The photo is the 7.

Is this correct per the NTSB report?: The HS 710 and 714 each had two rivets missing AND the HS-00001 was not installed...
Forum: Traditional Aircraft Engines 10-25-2022, 08:24 AM
Replies: 43
Views: 3,840
Posted By BillL
It's the belt, not the delivery path.

It is more brand and specific model of the belt, not delivery path.

I ran the gates alternator belt on my Volvo for 160,000 miles. Many examples like this and never failed a raw edge Gates belt....
Forum: RV General Discussion/News 10-25-2022, 08:10 AM
Replies: 11
Views: 1,001
Posted By BillL
+1 +1 Except just match drilling is pretty...

+1



+1 Except just match drilling is pretty light already.

Also, unless the swarf is getting trapped, you could use a dot of milk carton plastic, or felt cabinet door stops, but the above...
Forum: Traditional Aircraft Engines 10-24-2022, 07:45 PM
Replies: 49
Views: 2,553
Posted By BillL
Not that bad, but

Yes, it can be removed with engine installed. I did mine more than once in phase I.

On other items, it sounds like you have plenty of help.
Forum: RV Ongoing Maintenance Issues 10-24-2022, 05:49 PM
Replies: 21
Views: 2,746
Posted By BillL
It is clear that your tubes don't have the...

It is clear that your tubes don't have the internal o-ring.

I would either (or both) get an exhaust tubing expander and use some talc (talc is the best lubricant for rubber) or get a hose that is...
Forum: RV Ongoing Maintenance Issues 10-24-2022, 05:14 PM
Replies: 14
Views: 1,579
Posted By BillL
I measured temperature (once) and used a scale. I...

I measured temperature (once) and used a scale. I recorded the approximate gallons then corrected for temperature at home.


Edit: It did not work for me (snow on the ground, leveling the plane...
Forum: RV-10 10-24-2022, 07:27 AM
Replies: 20
Views: 3,035
Posted By BillL
It looks like there is a WINNER! This was an...

It looks like there is a WINNER!

This was an entertaining thread :D
Forum: Alternative Engines 10-24-2022, 07:22 AM
Replies: 85
Views: 7,241
Posted By BillL
It's the crankshaft . . . .

It might seem that way, but the longer crankshafts are the challenge for torsional vibration, on stationary engines they can be much heavier to add the required stiffness. They are much more "active"...
Forum: RV-9/9A 10-24-2022, 07:06 AM
Replies: 5
Views: 577
Posted By BillL
Vans has clever design reasons . . . .

I know Bruce did not mean it this way, but Be Careful builders; "too far" implies it can be cut off -don't do that, there is a lot of upward force on that latch when flying. The finger penetration...
Forum: RV-14 10-23-2022, 11:52 AM
Replies: 12
Views: 1,377
Posted By BillL
Airspeed is required for cooling, 16"MAP is not...

Airspeed is required for cooling, 16"MAP is not very high, and he could be flying w/o wheel pants and gear fairings.

Is this model the one with the cowl flap?
Forum: RV-8/8A 10-23-2022, 11:44 AM
Replies: 3
Views: 528
Posted By BillL
Engine thrust angle.

You do know the engine crankshaft is not parallel to the centerline of the fuse, right?

I don't know about the Vans cowl, but the James was shorter on one side than the other, and it's split line...
Forum: RV Ongoing Maintenance Issues 10-23-2022, 08:26 AM
Replies: 15
Views: 1,022
Posted By BillL
Mickey, I have done this test a few times using a...

Mickey, I have done this test a few times using a connection for pressure gage and air input at the fuse fuel bulkhead fitting and a AN plug or cap FWF. Obviously the fuel tank is eliminated from the...
Forum: RV Ongoing Maintenance Issues 10-22-2022, 10:09 PM
Replies: 3
Views: 634
Posted By BillL
Good Idea. I take a couple of rolled white paper...

Good Idea. I take a couple of rolled white paper towels and have then zip tied under my master cylinders to indicate if there is a leak there. The last one soaked the carpet and nearly drained the...
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