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 0.04 seconds.
Search: Posts Made By: Kahuna
Forum: RV Ongoing Maintenance Issues 01-09-2022, 08:26 AM
Replies: 4
Views: 1,296
Posted By Kahuna
There is a plug in there. Remove with a long...

There is a plug in there. Remove with a long threaded 10-32 bolt.
Also if you installed a new screen, its likely crushed now since it bottomed on the plug. You will need a new screen.
Forum: Propellers 10-20-2021, 03:16 PM
Replies: 12
Views: 2,125
Posted By Kahuna
I flew around for a hundred hours or more, no...

I flew around for a hundred hours or more, no spinner.
No changes in cooling, or speed. Certainly no bulkhead deformation.
This on a Super 8.
Forum: RV-12/RV-12iS 07-26-2021, 05:02 PM
Replies: 4
Views: 1,345
Posted By Kahuna
I put "3M Scotchgard Clear Paint Protection Bulk...

I put "3M Scotchgard Clear Paint Protection Bulk Film...
Forum: RV General Discussion/News 06-07-2021, 08:37 AM
Replies: 23
Views: 5,515
Posted By Kahuna
Smells like plug, wire or coil/ignition...

Smells like plug, wire or coil/ignition generator.
Mag check during failure to isolate.
Remember high chamber pressure stresses ignition coils, wires and plugs. There is a good reason we check plugs...
Forum: Safety 05-08-2021, 07:35 AM
Replies: 11
Views: 4,892
Posted By Kahuna
Thread went off the rails. Many posts deleted....

Thread went off the rails. Many posts deleted. Thread closed
Forum: RV Ongoing Maintenance Issues 05-07-2021, 08:18 AM
Replies: 18
Views: 3,590
Posted By Kahuna
I cut the filter. There is no mesh inside. The...

I cut the filter. There is no mesh inside. The only filter is the outside screen. The rest of the filter is designed to maintain the outside screen structure. Couple of pics attached.
Forum: RV Ongoing Maintenance Issues 05-06-2021, 10:52 AM
Replies: 18
Views: 3,590
Posted By Kahuna
No not submerged, spray carb cleaner. I could see...

No not submerged, spray carb cleaner. I could see the light yellow tint initially during spray flushing. Then clear.

Just to be clear, Im not recommending carb cleaner. It is just what was...
Forum: RV Ongoing Maintenance Issues 05-06-2021, 10:37 AM
Replies: 18
Views: 3,590
Posted By Kahuna
Years ago, I had a 6a that i put ~2k hours on. I...

Years ago, I had a 6a that i put ~2k hours on. I had problems with the pumps every 500 hours getting really noisy. One failed. I believe it was Charlie Kuss that was knowledgeable on them and...
Forum: RV Ongoing Maintenance Issues 05-06-2021, 10:25 AM
Replies: 18
Views: 3,590
Posted By Kahuna
There is multiple media in the filter. An outer...

There is multiple media in the filter. An outer screen mesh, and something else inside. Some kind of fine woven mesh, hard to discern.
Forum: RV Ongoing Maintenance Issues 05-06-2021, 09:39 AM
Replies: 18
Views: 3,590
Posted By Kahuna
I have never run mogas in it. Coarse screen at...

I have never run mogas in it.
Coarse screen at the servo inlet was clean.
Forum: RV Ongoing Maintenance Issues 05-06-2021, 09:12 AM
Replies: 18
Views: 3,590
Posted By Kahuna
Reusable AFP fuel filter and solvent

Over the past 500 hours or so I have noticed a slow progressing need for the boost pump, culminating in fuel starvation and an uneventful landing on a recent cross country.

A check of the fuel line...
Forum: Glass Cockpit 04-29-2021, 02:37 PM
Replies: 4
Views: 967
Posted By Kahuna
Yes some guy wrote that perl script. Then FAA...

Yes some guy wrote that perl script. Then FAA changed access and broke it.
Has not worked in many years.
Forum: GPS 02-17-2021, 10:39 AM
Replies: 9
Views: 1,300
Posted By Kahuna
Yes, metallic paint degrades signal. I had to...

Yes, metallic paint degrades signal. I had to move mine from the cowl. Its pretty easy to test watching your signal strength and cover a sample over the antenna.
Forum: RV-10 01-26-2021, 04:07 PM
Replies: 14
Views: 4,889
Posted By Kahuna
Vans is correct. There is same plane data to...

Vans is correct. There is same plane data to support it (http://mstewart.net/super8/performance/propcomparisons.htm). Mine was ~7kts.



Exactly correct. Discussions on mines smoother, mines faster...
Forum: RV Building Tips/Techniques 01-26-2021, 09:19 AM
Replies: 14
Views: 2,236
Posted By Kahuna
Its the boundary layer aft of the cowl that will...

Its the boundary layer aft of the cowl that will increase temp readings 6-12F
Forum: RV General Discussion/News 12-30-2020, 08:35 AM
Replies: 12
Views: 3,822
Posted By Kahuna
I have a bonehead I use in my Pitts. Never used...

I have a bonehead I use in my Pitts. Never used in my RV (use a Gibson in my RV) and I only break squelch in certain maneuvers. Its a single hole so I dont care really. The Pitts is waaaaay louder in...
Forum: RV-7/7A 12-25-2020, 06:28 AM
Replies: 15
Views: 5,755
Posted By Kahuna
Well I was able to get my o-rings replaced with...

Well I was able to get my o-rings replaced with an ACS item.
REPLACEMENT O-RING KIT FOR A20L FUEL CAP


https://d29y7fsthxbb26.cloudfront.net/cache/400-400-/catalog/graphics/5/05-07226.jpg

I have 4...
Forum: Fuel Injection Systems 12-21-2020, 08:49 AM
Replies: 4
Views: 898
Posted By Kahuna
I dare to contradict anything in the AFP manual....

I dare to contradict anything in the AFP manual. I run tanks dry often. AFP pump has always recovered. Also the manual pump is clearly helping, or it may be doing most of the work. There is very...
Forum: RV-7/7A 12-09-2020, 09:26 AM
Replies: 15
Views: 5,755
Posted By Kahuna
Robin, Yes mine are Z2's. I have 4 of them...

Robin,
Yes mine are Z2's. I have 4 of them leaking and going to Z3's requiring removal of the insert from the tanks is not going to happen.

Do you have a picture of what the Z2 clip removal tool...
Forum: RV-8/8A 11-01-2020, 09:02 PM
Replies: 15
Views: 4,574
Posted By Kahuna
Not a 4 pipe. But concept is the...

Not a 4 pipe. But concept is the same.
http://mstewart.net/super8/rearheat/index.htm
Forum: RV-8/8A 10-17-2020, 07:20 PM
Replies: 24
Views: 7,759
Posted By Kahuna
Grab the search function on strakes. High AOA and...

Grab the search function on strakes.
High AOA and gear legs are likely the culprit.
Normal.
Forum: Safety 10-14-2020, 07:37 PM
Replies: 45
Views: 11,151
Posted By Kahuna
Mine failed same location years ago. Stock seats....

Mine failed same location years ago. Stock seats. Loop entry with 3 wingmen. Could have ended badly.
Banged the back of my neck pretty good. Helmet may have played a positive role for no injury. An...
Forum: RV General Discussion/News 09-18-2020, 11:53 AM
Replies: 8
Views: 2,768
Posted By Kahuna
Once again regulatory slight of hand. Stadium...

Once again regulatory slight of hand. Stadium TFR's have nothing to do with people in the seats. Nothing to do with safety of anyone. A power grab.

Talk to stadium owners and management teams of...
Forum: RV-10 09-02-2020, 09:47 PM
Replies: 23
Views: 4,479
Posted By Kahuna
I have it only when cold. 540 dual EI. The colder...

I have it only when cold. 540 dual EI. The colder it is the louder it is.
Forum: RV General Discussion/News 08-18-2020, 03:21 PM
Replies: 26
Views: 10,294
Posted By Kahuna
Anyone know Vincent J. Berardino of Yuma AZ....

Anyone know Vincent J. Berardino of Yuma AZ. Possibly having flown a Cozy MK IV at one time?

Its certainly possible the HE thought he had a NIB. Also possible he is not particularly active with...
Forum: RV-8/8A 08-06-2020, 09:00 AM
Replies: 10
Views: 6,167
Posted By Kahuna
Yes. 2500 hours and doing fine.

Yes. 2500 hours and doing fine.
Forum: Electrical Systems 06-30-2020, 11:30 AM
Replies: 4
Views: 2,285
Posted By Kahuna
Positive voltage DC circuit.

Positive voltage DC circuit.
Forum: ADS-B 06-17-2020, 07:12 AM
Replies: 12
Views: 8,352
Posted By Kahuna
I get the 2 transponders all the time across...

I get the 2 transponders all the time across different controllers. Odd. Echo UAT 430W, 330.
From Uavionix...
What is the distance between the UAT antenna for the Echo and the transponder antenna? ...
Forum: RV-8/8A 03-26-2020, 08:45 AM
Replies: 127
Views: 82,699
Posted By Kahuna
FWIW, mine (replaced nuts) have not budged in...

FWIW, mine (replaced nuts) have not budged in years and I likely have the heaviest repeat load tests on the plane being a Super 8 with 84gal of fuel. There is no question that after the stock nuts,...
Forum: Electronic Ignition Systems 03-16-2020, 09:33 AM
Replies: 13
Views: 1,942
Posted By Kahuna
Is there any change in flow & pressure from boost...

Is there any change in flow & pressure from boost pump on or off?
Forum: RV General Discussion/News 03-09-2020, 02:21 PM
Replies: 15
Views: 2,758
Posted By Kahuna
The 7-8 are the easiest. Full carry through spar...

The 7-8 are the easiest. Full carry through spar versions, 3,4,6 are longer. 2 experienced guys who know what they are doing and have worked together before can get an 8 into a 20' container start...
Forum: RV-7/7A 03-09-2020, 06:50 AM
Replies: 15
Views: 5,755
Posted By Kahuna
Im afraid that is no solution either. They will...

Im afraid that is no solution either. They will neither sell a tool, NOR will they even take the caps in for repair. They will not touch them at all. Nice service. ARGH!
Forum: RV-7/7A 03-08-2020, 06:51 AM
Replies: 15
Views: 5,755
Posted By Kahuna
I am talking about the internal seals. Requires...

I am talking about the internal seals. Requires special release tool to get the key portion out without breaking the plastic retainers.
I have fuel that gets sucked out of the key slot at cruise...
Forum: RV-7/7A 03-05-2020, 04:59 AM
Replies: 15
Views: 5,755
Posted By Kahuna
These are no longer available nor does Newton...

These are no longer available nor does Newton carry any seals or parts for the locking caps.
Forum: RV-6/6A 02-17-2020, 01:52 PM
Replies: 10
Views: 2,788
Posted By Kahuna
Yes the 6 fits easily into a 20' standard sea...

Yes the 6 fits easily into a 20' standard sea container.
Forum: Propellers 03-05-2019, 09:49 AM
Replies: 67
Views: 16,156
Posted By Kahuna
Some actual data. Vic is of course correct....

Some actual data. Vic is of course correct.
http://mstewart.net/super8/performance/propcomparisons.htm
Forum: RV General Discussion/News 02-06-2019, 06:01 AM
Replies: 7
Views: 1,952
Posted By Kahuna
When I first went to insure my Super 8 years ago,...

When I first went to insure my Super 8 years ago, when there were a total of 3 of them I think, I was told it was insured like an RV with a slight premium for the added horsepower. She said it was...
Forum: GPS 10-24-2018, 08:36 AM
Replies: 8
Views: 1,310
Posted By Kahuna
Ensure what ever is above the antenna is not...

Ensure what ever is above the antenna is not metallic. Metallic/perl paints will degrade performance. How much depends on a number of factors. Under my cowl, gps signal strength was cut in half. Out...
Forum: Propellers 09-08-2018, 04:17 PM
Replies: 3
Views: 2,097
Posted By Kahuna
FWIW, I have had an 80" prop on my 8 for 2500...

FWIW, I have had an 80" prop on my 8 for 2500 hours. 99% wheel landing.
Forum: RV-7/7A 08-06-2018, 10:21 AM
Replies: 9
Views: 2,917
Posted By Kahuna
For the antenna, The archer wingtip VOR antenna...

For the antenna, The archer wingtip VOR antenna is the cheapest and easiest.
I have one new in box left wing Ill sell for for $100 shipped CONUS. (SOLD)
Spruce One...
Forum: RV-8/8A 06-06-2018, 10:06 AM
Replies: 15
Views: 4,680
Posted By Kahuna
I have flown 2 RV-8's with an 0-320. First...

I have flown 2 RV-8's with an 0-320. First flights actually.
1 Built by a guy on a budget. Got the engine for free. This was a bare bones build just to get her flying. It was awful. And I imagine it...
Forum: Web Site Development 05-22-2018, 06:29 AM
Replies: 24
Views: 4,142
Posted By Kahuna
Yes Dan you have it exactly correct. Hollor if...

Yes Dan you have it exactly correct. Hollor if you need help further. Least I could do for someone who has provided so much to our viewers.
Forum: Traditional Aircraft Engines 05-11-2018, 07:31 AM
Replies: 39
Views: 10,239
Posted By Kahuna
That my friend will significantly increase your...

That my friend will significantly increase your life expectancy in aviation. Best of luck on the learning journey.
Forum: Traditional Aircraft Engines 05-10-2018, 11:44 AM
Replies: 39
Views: 10,239
Posted By Kahuna
And FWIW, while the mechanic may have failed to...

And FWIW, while the mechanic may have failed to put the lead back on, you got in the plane and flew it many times for 25 hours and certainly failed to deal with the ground run ignition check failure....
Forum: Traditional Aircraft Engines 05-10-2018, 11:26 AM
Replies: 39
Views: 10,239
Posted By Kahuna
Coils fail for a number of reasons. High...

Coils fail for a number of reasons. High resistance is the usual culprit. The coils can fail one side (one lead) or both side (both leads same coil) and can often be intermittent. The check for it is...
Forum: Traditional Aircraft Engines 05-10-2018, 10:48 AM
Replies: 39
Views: 10,239
Posted By Kahuna
Bad coil???

Bad coil???
Forum: RV General Discussion/News 05-02-2018, 08:47 AM
Replies: 1
Views: 1,318
Posted By Kahuna
There are no special requirements for...

There are no special requirements for certification. There are no formation altitude restrictions. No special regs to consider from that point of view. Altitudes listed in the FARS remain in effect...
Forum: Traditional Aircraft Engines 03-18-2018, 05:32 PM
Replies: 60
Views: 11,841
Posted By Kahuna
Ahh yes. Sorry about not responding. Yes the cam...

Ahh yes. Sorry about not responding. Yes the cam was junk. I chased this problem for a long time. Ended up with a full tear down and rebuild. JB down in Sebring at JB Aircraft Engines did the honors....
Forum: Traditional Aircraft Engines 03-08-2018, 06:42 AM
Replies: 8
Views: 3,011
Posted By Kahuna
Fluid dynamics. Pressure drops from friction. Any...

Fluid dynamics. Pressure drops from friction. Any liquid, in any transport medium, suffers pressure loss over distance. In your application, you can expect ~15-25psi drop with the added inverted...
Forum: Electrical Systems 01-28-2018, 08:13 AM
Replies: 32
Views: 10,451
Posted By Kahuna
There should not be any confusion as to what is...

There should not be any confusion as to what is required. This article I wrote some time ago. It references what is required, and shows some tests done against a number of lighting solutions....
Forum: Traditional Aircraft Engines 12-26-2017, 05:55 AM
Replies: 60
Views: 11,841
Posted By Kahuna
Dry tappet clearance on #1 exhaust was high. Got...

Dry tappet clearance on #1 exhaust was high. Got a longer rod #37. Still slightly high at .097. Spider came back fine. Lifters test fine. Suspecting the cam. Engine coming off for teardown and likely...
Forum: Traditional Aircraft Engines 11-30-2017, 03:37 PM
Replies: 60
Views: 11,841
Posted By Kahuna
Unhappy I have sent the spider/flow divider off to AFP...

I have sent the spider/flow divider off to AFP for them to re-check its function. Given my general understanding of how it works, and the testing done so far, I have no hope that there is any problem...
Forum: Traditional Aircraft Engines 11-28-2017, 02:49 PM
Replies: 60
Views: 11,841
Posted By Kahuna
I added the oil pressure to this chart...

I added the oil pressure to this chart (http://teamaerodynamix.com/images/chart3.png) bottom in Blue. No change in oil pressure during the occurrence. Working on testing the cam and lifter.
Forum: Traditional Aircraft Engines 11-28-2017, 07:41 AM
Replies: 60
Views: 11,841
Posted By Kahuna
Post # 10...

Post # 10 (http://www.vansairforce.com/community/showpost.php?p=1221733&postcount=10) . A C/S prop.
Forum: Traditional Aircraft Engines 11-28-2017, 06:04 AM
Replies: 60
Views: 11,841
Posted By Kahuna
I thought that too. And this problem was on the...

I thought that too. And this problem was on the mags, then I installed electronic ignition (dual) which of course was a complete gut of ignition system and the problem continued ruling the ignition...
Forum: Traditional Aircraft Engines 11-27-2017, 08:47 PM
Replies: 60
Views: 11,841
Posted By Kahuna
Yes. Cylinders less than an hour on them and...

Yes. Cylinders less than an hour on them and trying not to abuse them. I was strictly looking to see that #1 was leaning as I pulled the mixture. Looking to assure I was ROP on #1.
Forum: Traditional Aircraft Engines 11-27-2017, 08:41 PM
Replies: 60
Views: 11,841
Posted By Kahuna
I can remove the push tubes, and rods, collapse...

I can remove the push tubes, and rods, collapse the lifters, reinstall, and measure the cam lift. Looking at this doc...
Forum: Traditional Aircraft Engines 11-27-2017, 08:10 PM
Replies: 60
Views: 11,841
Posted By Kahuna
Yes it has the ring properly installed. And yes...

Yes it has the ring properly installed. And yes its the same at lower RPMs
Forum: Traditional Aircraft Engines 11-27-2017, 07:39 PM
Replies: 60
Views: 11,841
Posted By Kahuna
When I purchased the plane this past summer it...

When I purchased the plane this past summer it had this problem. Strangely, I did scope the sump looking for, I dunno what. Nothing was in there.



Hose and clamp replaced. Intake leaks manifest...
Forum: Traditional Aircraft Engines 11-27-2017, 07:35 PM
Replies: 60
Views: 11,841
Posted By Kahuna
No those were kept the same. Standard...

No those were kept the same.



Standard updraft. Not burning oil (wasnt before) as I just changed all the cylinders hoping it would solve the problem. Only have 1 hr on them now. When I say it...
Forum: Traditional Aircraft Engines 11-27-2017, 04:17 PM
Replies: 60
Views: 11,841
Posted By Kahuna
Yes tried that. Tried a new line and swapped...

Yes tried that. Tried a new line and swapped lines around. Problem did not move. I have not tried a new divider since this one was rebuilt and bench for tested.
Forum: Traditional Aircraft Engines 11-27-2017, 03:36 PM
Replies: 60
Views: 11,841
Posted By Kahuna
Unhappy Stumped. Cylinder drops out at High MP.

This one has me absolutely stumped. Here is the deal.
I have an RV-8 with an 0-360 and AFP fuel injection system. Having a problem with #1 cylinder that seems fuel related. At high MP the cylinder...
Forum: Formation Flying 11-13-2017, 10:17 AM
Replies: 2
Views: 1,318
Posted By Kahuna
In the US, FAA 8900.1 Volume 3 Chapter 6 covers...

In the US, FAA 8900.1 Volume 3 Chapter 6 covers public event waivers.
You can check it out here.

http://fsims.faa.gov/PICResults.aspx?mode=EBookContents&restricttocategory=all~menu
Forum: Electrical Systems 10-24-2017, 05:31 AM
Replies: 20
Views: 5,871
Posted By Kahuna
I get calls weekly from folks who have installed...

I get calls weekly from folks who have installed many different LED units and the calls follow a pattern. My xyz I bought and installed is noisy. How do I fix it?

The reasons for the noise are...
Showing results 1 to 64 of 500

 
Forum Jump

All times are GMT -6. The time now is 06:00 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.