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Search: Posts Made By: Kahuna
Forum: GPS 02-17-2021, 11:39 AM
Replies: 3
Views: 248
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, 05:07 PM
Replies: 14
Views: 2,850
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, 10:19 AM
Replies: 14
Views: 1,202
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, 09:35 AM
Replies: 12
Views: 2,068
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, 07:28 AM
Replies: 15
Views: 3,479
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, 09:49 AM
Replies: 4
Views: 365
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, 10:26 AM
Replies: 15
Views: 3,479
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, 10:02 PM
Replies: 15
Views: 2,669
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, 08:20 PM
Replies: 24
Views: 4,552
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, 08:37 PM
Replies: 45
Views: 7,949
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, 12:53 PM
Replies: 8
Views: 1,855
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, 10:47 PM
Replies: 23
Views: 2,829
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, 04:21 PM
Replies: 26
Views: 7,124
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, 10:00 AM
Replies: 10
Views: 4,209
Posted By Kahuna
Yes. 2500 hours and doing fine.

Yes. 2500 hours and doing fine.
Forum: Electrical Systems 06-30-2020, 12:30 PM
Replies: 4
Views: 1,711
Posted By Kahuna
Positive voltage DC circuit.

Positive voltage DC circuit.
Forum: ADS-B 06-17-2020, 08:12 AM
Replies: 12
Views: 5,300
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, 09:45 AM
Replies: 124
Views: 67,761
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, 10:33 AM
Replies: 13
Views: 1,521
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, 03:21 PM
Replies: 15
Views: 2,468
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, 07:50 AM
Replies: 15
Views: 3,479
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, 07:51 AM
Replies: 15
Views: 3,479
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, 05:59 AM
Replies: 15
Views: 3,479
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, 02:52 PM
Replies: 6
Views: 1,308
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, 10:49 AM
Replies: 67
Views: 14,088
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, 07:01 AM
Replies: 7
Views: 1,632
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, 09:36 AM
Replies: 8
Views: 1,111
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, 05:17 PM
Replies: 3
Views: 1,903
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, 11:21 AM
Replies: 9
Views: 2,569
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, 11:06 AM
Replies: 15
Views: 3,987
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, 07:29 AM
Replies: 24
Views: 3,650
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, 08:31 AM
Replies: 39
Views: 9,061
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, 12:44 PM
Replies: 39
Views: 9,061
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, 12:26 PM
Replies: 39
Views: 9,061
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, 11:48 AM
Replies: 39
Views: 9,061
Posted By Kahuna
Bad coil???

Bad coil???
Forum: RV General Discussion/News 05-02-2018, 09:47 AM
Replies: 1
Views: 1,170
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, 06:32 PM
Replies: 60
Views: 10,546
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, 07:42 AM
Replies: 8
Views: 2,410
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, 09:13 AM
Replies: 32
Views: 9,566
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, 06:55 AM
Replies: 60
Views: 10,546
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, 04:37 PM
Replies: 60
Views: 10,546
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, 03:49 PM
Replies: 60
Views: 10,546
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, 08:41 AM
Replies: 60
Views: 10,546
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, 07:04 AM
Replies: 60
Views: 10,546
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, 09:47 PM
Replies: 60
Views: 10,546
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, 09:41 PM
Replies: 60
Views: 10,546
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, 09:10 PM
Replies: 60
Views: 10,546
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, 08:39 PM
Replies: 60
Views: 10,546
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, 08:35 PM
Replies: 60
Views: 10,546
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, 05:17 PM
Replies: 60
Views: 10,546
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, 04:36 PM
Replies: 60
Views: 10,546
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, 11:17 AM
Replies: 2
Views: 1,019
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, 06:31 AM
Replies: 20
Views: 4,919
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...
Forum: Electrical Systems 10-23-2017, 05:04 PM
Replies: 20
Views: 4,919
Posted By Kahuna
Yes. However, the noise free is for the wig wag...

Yes. However, the noise free is for the wig wag controller. NOT the Baja lights. The Baja lights are known to be very noisy! You can read about the noise complaints here. This will NOT help your Baja...
Forum: Electrical Systems 10-23-2017, 02:57 PM
Replies: 20
Views: 4,919
Posted By Kahuna
When ever you see an input voltage "Voltage Amp:...

When ever you see an input voltage "Voltage Amp: 12V - 24V / 12A max" where the voltage spread is across a wide voltage range, it should raise a red flag regarding noise on your com. This is common...
Forum: RV-8/8A 09-12-2017, 09:11 PM
Replies: 12
Views: 2,970
Posted By Kahuna
I just converted an RV-8 system from 2 filters in...

I just converted an RV-8 system from 2 filters in the wing root to a single filter after the valve. I cant imagine dealing with draining the tanks every time you want to inspect and clean the filters...
Forum: RV General Discussion/News 08-28-2017, 08:39 AM
Replies: 11
Views: 1,793
Posted By Kahuna
Cut yourself a patch , scuff, and proseal it in...

Cut yourself a patch , scuff, and proseal it in from the inside side. IT will be the best sealed join on the tank.
Forum: RV General Discussion/News 08-14-2017, 06:48 PM
Replies: 6
Views: 1,783
Posted By Kahuna
Yes it likely will...

Yes it likely will (https://www.teamaerodynamix.com/shop/product/kit-landing-light-wing-tip/) .:p As we have a kit for both the leading edge...
Forum: RV-7/7A 08-10-2017, 06:58 PM
Replies: 6
Views: 2,436
Posted By Kahuna
This referrs to "buy a special governor pad cover...

This referrs to "buy a special governor pad cover to let the oil back in". I assume this means to leave the governor drive gear in place and just remove the governor and put a cover plate on it....
Forum: RV General Discussion/News 07-29-2017, 05:17 AM
Replies: 14
Views: 2,319
Posted By Kahuna
I have several of them here in the shop. NC25.

I have several of them here in the shop. NC25.
Forum: Glass Cockpit 07-05-2017, 10:03 AM
Replies: 7
Views: 1,459
Posted By Kahuna
Very old...

Very old news.
http://preflight.dynonavionics.com/2013/07/dynon-avionics-acquires-advanced-flight.html
Forum: RV Ongoing Maintenance Issues 06-30-2017, 04:41 PM
Replies: 8
Views: 4,805
Posted By Kahuna
I think you will find that Tempest will do a good...

I think you will find that Tempest will do a good job for you in root causing the issue and reporting back. They have a very good reputation for this.
It is not unusual for resistance issues to pop...
Forum: RV-6/6A 06-28-2017, 09:42 PM
Replies: 10
Views: 1,984
Posted By Kahuna
This would point to the charging system.

This would point to the charging system.
Forum: Fuel Injection Systems 06-26-2017, 04:12 PM
Replies: 13
Views: 2,667
Posted By Kahuna
DId you do an ignition check while you...

DId you do an ignition check while you experienced a high EGT? That would help diagnose.
Forum: RV Ongoing Maintenance Issues 06-18-2017, 04:02 PM
Replies: 8
Views: 1,496
Posted By Kahuna
Don do you have a relay in the circuit? This is a...

Don do you have a relay in the circuit? This is a common failure component. Very common.
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