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Search: Posts Made By: jrs14855
Forum: Traditional Aircraft Engines Yesterday, 08:59 PM
Replies: 16
Views: 1,271
Posted By jrs14855
Sump

Sure, lots of options. Twin Commanche sump is horizontal rear mount and can be modified to front mount. Lots of other options although more options for 360 than for 320. 360 sumps have been used on...
Forum: RV General Discussion/News 04-05-2020, 09:51 PM
Replies: 67
Views: 6,998
Posted By jrs14855
Wait and Balunce for Dummies

Many moons ago two legends in aviation loaded their small two seat airplane for the annual flight to the Mecca of Aviation. Mecca at that time did not sell adult beverages. So the number one priority...
Forum: Traditional Aircraft Engines 04-05-2020, 04:32 AM
Replies: 16
Views: 1,271
Posted By jrs14855
Certified

I specified maintained to certified standards which means all maintenance and records etc. A non mechanic can do limited maintenance on a type certificates aircraft. Examples spark plug cleaning, oil...
Forum: Traditional Aircraft Engines 04-05-2020, 12:51 AM
Replies: 16
Views: 1,271
Posted By jrs14855
Certified

As long as the engine is operated within limits and maintained to certified standards the engine remains certified. Let's say you buy a Cherokee 180. You have no way to determine if a previous owner...
Forum: Traditional Aircraft Engines 04-04-2020, 09:28 PM
Replies: 16
Views: 1,271
Posted By jrs14855
Engine

Mahlon has posted extensive information on Lycoming forum on this subject. Not quoting Mahlon but my understanding is that STC upgrades from 150 to 160 hp are eligible for a new data plate from...
Forum: RV General Discussion/News 04-01-2020, 09:42 PM
Replies: 5
Views: 1,066
Posted By jrs14855
The old way

To see how it was done in the 30's get a copy of North Star Over my Shoulder. Settle into your favorite recliner with the book. Connect to the way back machine and enjoy your flight in the jump seat...
Forum: RV General Discussion/News 03-30-2020, 04:43 AM
Replies: 14
Views: 759
Posted By jrs14855
Pressure

The AE oil system is not an all attitude system and will loose oil pressure in certain attitudes. By setting the oil pressure high green the duration of the loss will be slightly less and the...
Forum: RV General Discussion/News 03-29-2020, 03:57 PM
Replies: 14
Views: 2,896
Posted By jrs14855
Oshkosh

That was clearly in Jacks message.
Forum: RV Ongoing Maintenance Issues 03-29-2020, 01:22 PM
Replies: 11
Views: 524
Posted By jrs14855
flooding

That this happened after float replacement indicates that the float is occasionally hanging up on the wall of the float cavity. I think there is a service bulletin on this and possibly a gage to...
Forum: RV General Discussion/News 03-29-2020, 01:12 PM
Replies: 14
Views: 759
Posted By jrs14855
pressure

58# is not an acceptable cruise power oil pressure. This subject was discussed extensively just a few weeks ago.
Forum: RV General Discussion/News 03-29-2020, 01:06 PM
Replies: 14
Views: 2,896
Posted By jrs14855
Oshkosh

Note the use of the term "the company".
Forum: Traditional Aircraft Engines 03-27-2020, 08:13 PM
Replies: 6
Views: 414
Posted By jrs14855
Mags

It important to use the special flat washers that are used on many Bendix mags. They are larger and thicker than standard AN washers. I have never had a problem with the star lock washers. If I have...
Forum: RV General Discussion/News 03-24-2020, 07:31 PM
Replies: 25
Views: 1,884
Posted By jrs14855
Tailwheel

Post 23 is how the pivot point should be and the simplest way to correct improper angle.
Forum: RV General Discussion/News 03-23-2020, 07:20 PM
Replies: 24
Views: 3,140
Posted By jrs14855
Oshkosh

If EAA rescheduled for fall attendance would probably be half of normal.
Forum: RV-6/6A 03-23-2020, 07:12 PM
Replies: 17
Views: 1,447
Posted By jrs14855
Typo

Don't publish videos
Forum: RV-6/6A 03-23-2020, 07:09 PM
Replies: 17
Views: 1,447
Posted By jrs14855
FAA

What most don't understand is time and distance. If you are more than 100 miles from the nearest FSDO office your nearest public airport may only get a visit from the FAA once or twice a year. A...
Forum: RV General Discussion/News 03-23-2020, 06:32 PM
Replies: 24
Views: 3,140
Posted By jrs14855
Oshkosh

The question should be: can EAA survive if Oshkosh 20 is canceled?
Forum: RV-6/6A 03-22-2020, 11:01 PM
Replies: 17
Views: 1,447
Posted By jrs14855
Chutes

There is one exception and that is a CFI providing spin training to a pilot who is a candidate for their initial CFI check ride.
Forum: RV-6/6A 03-22-2020, 08:11 PM
Replies: 17
Views: 1,447
Posted By jrs14855
Parachutes

All LEGITIMATE aerobatic schools in the US require parachutes for all
Aerobatic training. You may find a benovelent Fed that accepts a passenger as a required crew member but it is more likely if...
Forum: RV-6/6A 03-22-2020, 08:05 PM
Replies: 17
Views: 1,447
Posted By jrs14855
Canopy

In the recent Midget Mustang fatal the departing canopy apparently took off half the horizontal and all of the vertical tail. Where the canopy goes depends on speed and attitude. I lost a canopy on...
Forum: RV General Discussion/News 03-22-2020, 07:52 PM
Replies: 52
Views: 9,858
Posted By jrs14855
Shimmy

The shimmy on my Wittman Tailwind is rotational. I can see the left gear on landing roll. I wonder if the person who did not have good results should hav completely stripped the powder coat.
Forum: RV-6/6A 03-22-2020, 02:42 PM
Replies: 17
Views: 1,447
Posted By jrs14855
Aerobatics

Parachutes??
Forum: RV General Discussion/News 03-19-2020, 06:41 PM
Replies: 26
Views: 2,098
Posted By jrs14855
CFI

FARs do not require a current CFI for aerobatic instruction or instruction required under part 135 or 121.FAA in the past has allowed a pilot without a current medical to provide aerobatic...
Forum: RV General Discussion/News 03-16-2020, 07:58 PM
Replies: 39
Views: 6,324
Posted By jrs14855
Virus

Only one case in Alaska as of a couple hours ago. That person was just arrived from out of state. That at least suggests that the virus could be affected by extreme cold as well as temperatures over...
Forum: RV General Discussion/News 03-16-2020, 03:59 PM
Replies: 39
Views: 6,324
Posted By jrs14855
Vaccine

Presidential press conference less than two hours ago they are ready to test a vaccine.
Forum: RV General Discussion/News 03-12-2020, 01:17 PM
Replies: 84
Views: 11,894
Posted By jrs14855
S & F

I agree completely with Dan's excellent post.
I want to take this a step further. I believe that Lakeland Airport does not have the "real estate" required for a jet aerobatic waiver. This was much...
Forum: RV Ongoing Maintenance Issues 03-08-2020, 09:38 PM
Replies: 17
Views: 1,316
Posted By jrs14855
Sump

Some of the components in post 12 and 14 are for the inverted oil system found on AE IO series engines. For aerobatic engine plug with o ring is installed befor screen then fitting for hose replaces...
Forum: Traditional Aircraft Engines 03-07-2020, 03:20 PM
Replies: 4
Views: 514
Posted By jrs14855
Fittings

The nuts can be obtained with holes for safety wire. If a 90 degree fitting is used orient the fitting so the hose does not try to turn the fitting.
You should find the proper torqueing method for...
Forum: RV General Discussion/News 03-02-2020, 12:44 PM
Replies: 52
Views: 9,858
Posted By jrs14855
Landing Gear

Wittman Tailwind, 100# plus lighter than typical RV, Landing gear is 13/16" diameter at small diameters as opposed to 7/8 for most RV's. Sam James wheel pants. Goodyear tires with wheel/tire...
Forum: Traditional Aircraft Engines 02-26-2020, 04:23 PM
Replies: 31
Views: 3,198
Posted By jrs14855
Oil

All the references I find call for green arc oil pressure in cruise 60-90 psi.
Some are happy with middle of the green. Some like high green oil pressure.
There are opinions that high green is...
Forum: Traditional Aircraft Engines 02-26-2020, 03:24 PM
Replies: 31
Views: 3,198
Posted By jrs14855
Oil

Still no mention of exact model number and whether oil dipstick markings have been confirmed correct.
Searching for an operators manual for I0 360A1A will show drawings of that engine. The sump for...
Forum: Traditional Aircraft Engines 02-25-2020, 04:16 PM
Replies: 31
Views: 3,198
Posted By jrs14855
Oil

The M1A appears to have the same or similar sump as early angle valve 360's. it is wider and flatter, hence the need for a higher minimum. That sump is popular with builders who wish to convert a...
Forum: Traditional Aircraft Engines 02-25-2020, 11:29 AM
Replies: 31
Views: 3,198
Posted By jrs14855
Oil Pressure

For parallel valve engines with standard sump 6 qt oil level will have no effect on oil pressure. IIRC the Lycoming minimum for these engines is 2 1/4 quarts.
Some angle valve sumps require a higher...
Forum: Traditional Aircraft Engines 02-20-2020, 06:59 PM
Replies: 3
Views: 711
Posted By jrs14855
Engine

Check your PM's
Forum: ADS-B 02-14-2020, 11:50 AM
Replies: 13
Views: 3,134
Posted By jrs14855
ADSB Outlaw

Smokey-
Thank you for that. There are now at least two of us standing tall among a herd of sheeple.
I would much rather spend 2K plus on gas.
If you start a outlaw club can I be member #2?
Forum: Electrical Systems 02-13-2020, 07:22 PM
Replies: 17
Views: 1,603
Posted By jrs14855
Conduit

Non RV. I made my own same as Colin P but all stainless. Stainless machine screws and stainless all metal nuts to attach to firewall. In my opinion the long portion should be forward of the firewall...
Forum: Northeast 02-13-2020, 10:18 AM
Replies: 10
Views: 1,247
Posted By jrs14855
Diner

My sense is that airport restaurants are surviving mostly from non aviation customers.
I have not been back east for a while but the number of airport restaurants has to be much smaller than 20...
Forum: RV-14 02-02-2020, 09:56 AM
Replies: 38
Views: 4,739
Posted By jrs14855
Spinning

A self taught aerobatic pilot has a fool for an instructor. This includes "teaching" yourself spins. You can learn more from a good instructor in one hour than you can on your own in one year.
Forum: RV General Discussion/News 01-31-2020, 03:58 PM
Replies: 16
Views: 1,713
Posted By jrs14855
Exhaust

I have never had much luck with adel clamps for anything with potential for a lot of movement. There are similar clamps available which are used on steel tubing with no cushion. They clamp really...
Forum: RV-14 01-31-2020, 03:52 PM
Replies: 38
Views: 4,739
Posted By jrs14855
Spins

From day one it has been well known that Meuller Beggs doe not work in all airplanes. It works fine for most popular aerobatic airplanes but not all. IICC does not work in Cessna 150 and Chipmunk.
It...
Forum: RV-14 01-31-2020, 12:42 PM
Replies: 38
Views: 4,739
Posted By jrs14855
Spins

For training purposes during initial training the initial control inputs should be two separate and deliberate actions. Full opposite rudder to the stop and then stick forward just enough to stop the...
Forum: RV General Discussion/News 01-27-2020, 04:53 PM
Replies: 21
Views: 2,780
Posted By jrs14855
Bermuda Dunes

Forgot to mention the weather was textbook perfect.
Forum: RV General Discussion/News 01-27-2020, 04:48 PM
Replies: 21
Views: 2,780
Posted By jrs14855
Bermuda Dunes

I was there with my Wittman Tailwind. The only EAB that was REALLY standout was that orange RV4 with the flames. A lot of custom, very innovative details that many would not even notice.
There were...
Forum: RV-3 01-23-2020, 12:30 PM
Replies: 13
Views: 2,525
Posted By jrs14855
Shimmy

Anyone tried balancing the wheel pants by putting weight in the front of wheel pant??
Forum: RV Ongoing Maintenance Issues 01-22-2020, 03:11 PM
Replies: 32
Views: 3,179
Posted By jrs14855
mixture

The mixture adjustment your mechanic made is only for idle mixture and has no effect at cruise power.
The actual number for EGT is meaningless for normally aspirated engines. The 0 320 is know for...
Forum: Traditional Aircraft Engines 01-22-2020, 02:57 PM
Replies: 45
Views: 8,158
Posted By jrs14855
Carb

You should buy factory bushings and they need to be reamed after installation. They are held in place by locktite.
If you have a wood prop and high compression engine, standard 160 hp or higher...
Forum: RV-7/7A 01-17-2020, 11:51 AM
Replies: 81
Views: 12,833
Posted By jrs14855
Reno

Bob Mills-
Thank you for the very detailed and candid reply. I was in the pits at Reno shortly after the Rocket elevator event. I listened while the pilot explained to a small group what had...
Forum: RV-7/7A 01-16-2020, 10:38 AM
Replies: 81
Views: 12,833
Posted By jrs14855
Trim Tab

Any one who intentionally attempts to fly with a trim tab disconnected is nuts. Twin Cessnas have history of trim tab issues. The Cessna 441 Conquest would up with a dual actuator on the elevator...
Forum: RV-7/7A 01-15-2020, 05:25 PM
Replies: 81
Views: 12,833
Posted By jrs14855
Vne

I am NOT advocating operation in excess of Vne. The reality is that of the airplanes being flown in Sport Class at Reno, many are being operated far above Vne. Some of the earlier racers like Dave...
Forum: RV-9/9A 01-13-2020, 04:40 PM
Replies: 43
Views: 5,328
Posted By jrs14855
Avionics

KY 97A on this forum for $500. Reason for selling, Guv Mint in Europe requires something better???
Excellent comm radio but not as good as the KY197A.
Forum: RV-9/9A 01-13-2020, 04:35 PM
Replies: 43
Views: 5,328
Posted By jrs14855
Avionics

Garmin 400 is pretty rare and you have to be certain that it can be upgraded to WAAS and is still supported by Garmin. 430 is a better deal, you get the com and VHF nav.
The Dynon portable EFIS is...
Forum: Traditional Aircraft Engines 01-13-2020, 01:52 PM
Replies: 2
Views: 653
Posted By jrs14855
Carb

I use a metal float in my Marvel carb. I think I got it from Kelly, no applicable AD's.
Forum: RV-9/9A 01-13-2020, 11:40 AM
Replies: 43
Views: 5,328
Posted By jrs14855
Panel/Engine

Excellent article in recent Kitplanes on whether one needs any nav capability beyond a GPS.
I am not a fan of some of the more expensive and complicated EFIS options.
Used Dynon D100 with autopilot,...
Forum: RV General Discussion/News 01-10-2020, 04:10 PM
Replies: 14
Views: 1,567
Posted By jrs14855
Bending

Not a word about what aluminum alloy. An intelligent response is not possible without that information. The possibilities range from easy with 1100-O to unlikely with 7075. It would also be nice to...
Forum: RV-3 01-06-2020, 01:04 PM
Replies: 6
Views: 1,400
Posted By jrs14855
0 235

Cessna 152 and Tomahawk are very different from Yankee. Cessna is L series, Tomahawk similar but different series.
The L series type are upgraded engines with dynafocal mounts. The Yankee engine is...
Forum: RV General Discussion/News 12-30-2019, 04:37 PM
Replies: 52
Views: 6,062
Posted By jrs14855
Remembering Steve Wittman

The first airplane donated to EAA when they were still in Milwaukee area was Steve's second racer-Big Bonzo. Big Bonzo and Little Bonzo "fly" side by side in the air racing section of EAA Museum....
Forum: RV General Discussion/News 12-30-2019, 04:05 PM
Replies: 52
Views: 6,062
Posted By jrs14855
Steve Wittman

Thank you for correcting the spelling, I get tired of doing that.
The picture of Steve measuring the wing of Little Bonzo was likely taken by Dr. Aaron King. Aaron owned the prototype Wittman...
Forum: RV-3 12-21-2019, 04:15 PM
Replies: 6
Views: 1,400
Posted By jrs14855
0 235

The 0 235 C series engines are not very popular in EAB. The parts are extremely expensive and availability of certain parts is not as good as 0 320 and 0 360. They are all conical mount engines.
The...
Forum: RV-12/RV-12iS 12-19-2019, 03:35 PM
Replies: 22
Views: 4,345
Posted By jrs14855
Age

Dick Rutan is 81, Van is 80. I bet they both have an opinion on the Insurance/age nonsense, along with many others.
John Miller flew solo in his Bonanza until age 99. Others allegedly have flown...
Forum: RV-12/RV-12iS 12-19-2019, 03:30 PM
Replies: 22
Views: 4,345
Posted By jrs14855
Age

Bill Harrelson, age 68, just completed an unofficial around the world speed record in class in the Lancair 4. Just five legs, longest 32:10, eight days total.
Age is absolutely, totally meaningless.
Forum: California 12-11-2019, 11:37 AM
Replies: 23
Views: 5,426
Posted By jrs14855
Tallmantz

A lot of the stuff that was still at Tallmantz when Frank Tallman died went to Kermit Weeks.
Challenge Publications probably has the history of that P40.
Forum: RV-3 11-25-2019, 05:18 PM
Replies: 24
Views: 4,460
Posted By jrs14855
Extra

For some amazing video search Svetlana Kapanina. Seven times women's World Aerobatic Champion.
Video of her flying the Extra 300, Sukhoi SU26 and Su29.
Showing results 1 to 62 of 500

 
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