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Search: Posts Made By: jrs14855
Forum: Traditional Aircraft Engines 06-21-2022, 07:36 AM
Replies: 10
Views: 631
Posted By jrs14855
Engine

Likely a narrow deck 150 horsepower. On the top of the crankcase near the rear you will find a serial number ending in -27 or 27A. This will confirm narrow deck by lack of the A. Least desirable of...
Forum: RV General Discussion/News 06-19-2022, 07:35 PM
Replies: 13
Views: 951
Posted By jrs14855
Testing

By the time I test flew my first Tailwind in 1964 the FAA didn't seem to have much interest in the specifics of flight testing. I did test to 110% of Vne.
I believe the Vne test is something that...
Forum: RV General Discussion/News 06-19-2022, 07:28 PM
Replies: 13
Views: 951
Posted By jrs14855
Testing

Some believe that the EAB category of Experimental originated with EAA. It actually originated well before EAA but there was not a lot of activity.
EAA held their first meeting in Jan 1953. In Jan...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 06-19-2022, 07:51 AM
Replies: 32
Views: 4,281
Posted By jrs14855
Master

To expand on post #9, buy a inline 10 amp fuse at the hardware and some wore. disconnect the small wire at the solenoid, install new wire with 10 amp fuse and a switch. connect to solenoid and to...
Forum: Traditional Aircraft Engines 06-12-2022, 09:02 PM
Replies: 20
Views: 2,654
Posted By jrs14855
Problems

Not all "reputable shops" are created equal. In my opinion it is highly unlikely that "9.2" compression had anything to do with your problems. I am running 10-1 on my 0 320 with zero problems at the...
Forum: RV-3 06-01-2022, 07:26 PM
Replies: 17
Views: 1,226
Posted By jrs14855
Trailing Edges

Barmaby Wainfan did a detailed article on trailing edge shape in Kitplanes several years ago. I have experience with convex(curved outward) aileron trailing edges on two different EAB aircraft, not...
Forum: Traditional Aircraft Engines 06-01-2022, 07:03 AM
Replies: 6
Views: 573
Posted By jrs14855
Clanp

That is so much better than an adel clamp!!
Forum: RV Ongoing Maintenance Issues 05-28-2022, 10:30 AM
Replies: 14
Views: 1,358
Posted By jrs14855
Stress cracks

The stress cracks around the two attach holes are likely caused by the wheel pant not contacting the bracket evenly. Place some packaging tape or plastic tape over the bracket for a mold release. Mix...
Forum: RV Building Tips/Techniques 05-26-2022, 08:00 PM
Replies: 14
Views: 1,530
Posted By jrs14855
Axle

That looks fine. Only rotational force on cotter pin hole. Wall thickness of axle is 3/16 not counting threads.
Forum: Traditional Aircraft Engines 05-21-2022, 06:33 PM
Replies: 5
Views: 520
Posted By jrs14855
That is "street elbow" in the automotive world....

That is "street elbow" in the automotive world. NAPA has them. Used on certified Pitts. Large diameter rivet drilled #50 or smaller for restrictor, rivet pressed into male end.
Forum: Traditional Aircraft Engines 05-21-2022, 07:13 AM
Replies: 5
Views: 520
Posted By jrs14855
Oil Pressure

The new Cessna location is so that Cessna can run 10 # higher pressure and still read the previous number on the gage. Highly recommended for better valve train lubrication.
A 90 degree automotive...
Forum: RV General Discussion/News 05-10-2022, 03:32 PM
Replies: 10
Views: 796
Posted By jrs14855
Trailing Edge

Barnaby Wainfan covered this in great detail in Kitplanes Magazine several years ago. My experience with fabric covered ailerons on a Pitts is that a convex trailing edge strip 1" wide chordwise...
Forum: RV Building Tips/Techniques 05-10-2022, 03:19 PM
Replies: 3
Views: 476
Posted By jrs14855
Lock Nuts

AN363 or MS21045-4 are the best. They have very narrow slots that allow symmetrical locking grip on bolts. MS21042 has a slightly oval end which does not grip the bolt as well and does not survive...
Forum: RV Friends Who Have Passed On 05-08-2022, 11:16 AM
Replies: 16
Views: 5,189
Posted By jrs14855
RV10

Kathryns Report identified the passenger. ATC transcript of communication with norcal approach. and a statement that the owner had recently purchased the airplane.
Forum: RV Ongoing Maintenance Issues 05-06-2022, 06:54 PM
Replies: 22
Views: 2,226
Posted By jrs14855
Carb

There is another issue that causes flooding that I have not heard about for a while. The floats on some carbs due to wear will rub against the float chamber and stick enough to cause the carb to...
Forum: RV Ongoing Maintenance Issues 05-06-2022, 12:56 PM
Replies: 22
Views: 2,226
Posted By jrs14855
Plugs

0 235C doe not have the lead fouling problems that the 0 235L series has.
Forum: RV Ongoing Maintenance Issues 05-06-2022, 12:54 PM
Replies: 22
Views: 2,226
Posted By jrs14855
Idle

No one has mentioned prop. A wood or wood composite prop requires a higher idle speed to keep in running. A metal fixed pitch or metal blade constant speed will idle at a significantly lower r/m....
Forum: Traditional Aircraft Engines 05-01-2022, 01:59 PM
Replies: 5
Views: 645
Posted By jrs14855
Carb

All Marvel carbs for the 0 320 and 0360 should have an accelerator pump. Some of the early four cylinder Lyc carbs did not have acc pump. Those were M
a3 series.
Forum: ADS-B 05-01-2022, 08:07 AM
Replies: 24
Views: 3,302
Posted By jrs14855
ADS B

above 10'000 within 2500' of terrain no ADS B required
Forum: ADS-B 04-30-2022, 12:29 PM
Replies: 24
Views: 3,302
Posted By jrs14855
ADS B

I think the key is the wording "for purposes of avoiding detection". I see nothing in that statement that would prevent removing the equipment, either for repair or permanently.
Forum: Propellers 04-21-2022, 01:17 PM
Replies: 5
Views: 264
Posted By jrs14855
Pitch Force

The one with the perceived higher pitch force has a Catto two blade which is much lighter. Should have lighter pitch force despite the extension.
Forum: RV-9/9A 04-19-2022, 10:53 AM
Replies: 15
Views: 1,289
Posted By jrs14855
CHT

The statement in post #7 of 400 degrees or higher for break in is exactly the opposite of established procedure. While slight momentary excursions above 400 will probably not glaze cylinders, it is...
Forum: RV Ongoing Maintenance Issues 04-18-2022, 12:25 PM
Replies: 34
Views: 2,534
Posted By jrs14855
Pumping the Throttle

Article by Paul Dye July 5, 2017 Kitplanes advocated pumping the throttle is fine as long as the engine is is turning over with the starter.
I agree with this completely. Further there are Lycoming...
Forum: RV Ongoing Maintenance Issues 04-17-2022, 04:12 PM
Replies: 34
Views: 2,534
Posted By jrs14855
Oil

The six quarts for minimal oil consumption and 2 quarts for absolute minimum is for most parallel valve 320/360's with eight quart sump. IO 360 angle valve will require more oil for most sumps.
Forum: RV Ongoing Maintenance Issues 04-17-2022, 11:57 AM
Replies: 34
Views: 2,534
Posted By jrs14855
0IL TEMPERATURE

I am not questioning Lycomings numbers. The chart states DESIRED temperature above ambient 30 F is 180 F. Most of Lycoming's numbers for the popular normally aspirated engines have not changed in 50...
Forum: RV Ongoing Maintenance Issues 04-17-2022, 10:11 AM
Replies: 34
Views: 2,534
Posted By jrs14855
Oil Temperature

180 is the minimum from many sources for decades as the minimum temperature to eliminate moisture.
Forum: RV Ongoing Maintenance Issues 04-17-2022, 08:12 AM
Replies: 34
Views: 2,534
Posted By jrs14855
OIL

That is well within tolerance BUT. My 0 320 will use less than 1 quart in 20 hours. Factory Lycoming nitride cylinders.
Try running the oil level at 6 to 6 1/2 quarts. Add 1/2 quart at a time.
That...
Forum: RV Building Tips/Techniques 04-16-2022, 01:14 PM
Replies: 21
Views: 1,741
Posted By jrs14855
Oil Cooler

Dan 57 mentioned manual control of oil flow to the cooler. Hardware store ball type valve modified for a manual push pull control cable. The vernatherm is removed. I believe the Lycoming parts manual...
Forum: RV Building Tips/Techniques 04-08-2022, 01:11 PM
Replies: 13
Views: 1,341
Posted By jrs14855
Drills

Standard protocol for reaming is to drill 1/64 undersize and then ream. Something like what Dan showed is fine for a guide. Separate hole in guide for drill and reamer.
I have best results with high...
Forum: Flight Testing 04-04-2022, 12:49 PM
Replies: 15
Views: 2,127
Posted By jrs14855
Break in

The Mahlon Russell info can be found by searching "Mahlon Russell engine break in procedure".
Mahlon recommends a very short first flight.
The OP specified an overhauled 0 320.
Mahlon does not...
Forum: Flight Testing 04-04-2022, 10:50 AM
Replies: 15
Views: 2,127
Posted By jrs14855
CHT

You should search for the Mahlon Russell break in information as well as others. You may have a difficult time finding any qualified person or company that believes that Vans number of 440 CHT is...
Forum: RV General Discussion/News 04-02-2022, 07:49 AM
Replies: 9
Views: 1,044
Posted By jrs14855
ADS B

My understanding is that once ADS B is installed it cannot legally be turned off. Otherwise not required except within Class Bravo and Charlie, above 10k etc.
If your transponder check is not current...
Forum: RV-4 03-31-2022, 02:19 PM
Replies: 20
Views: 1,792
Posted By jrs14855
Engine movement

There is very minimal aft movement of the engine. That can be reduced further with aerobatic mount rubbers. You could also use as much as 3/32 steel shim washers on the lower mounts.
Forum: RV-4 03-25-2022, 10:13 AM
Replies: 11
Views: 1,629
Posted By jrs14855
Cooling

The Dave Anders series of articles in Kitplanes are and excellent educational source for cooling information.
Search for the Mahlon Russell protocol for ground runs. Goal should be to never exceed...
Forum: Safety 03-22-2022, 02:09 PM
Replies: 40
Views: 5,497
Posted By jrs14855
Piper

Piper firewalls and firewall components are about as far as one can go in the opposite direction of Dan's excellent research and ideas. The Piper photo posted appears to have aluminum rivets. Piper...
Forum: RV General Discussion/News 03-18-2022, 04:01 PM
Replies: 28
Views: 3,562
Posted By jrs14855
Low temps

Very gratifying to hear someone who understands how damaging low temperatures can be, CHT and Oil.
Forum: RV Building Tips/Techniques 03-17-2022, 03:12 PM
Replies: 15
Views: 1,874
Posted By jrs14855
Lifting battery

Heavy zip tie thru the terminals. Been using that for several years.
Forum: Electronic Ignition Systems 03-17-2022, 12:18 PM
Replies: 11
Views: 1,453
Posted By jrs14855
Studs

Measure the engagement of the old stud and install the new one to match, allowing for the difference in stud length.
Forum: Electronic Ignition Systems 03-17-2022, 10:12 AM
Replies: 11
Views: 1,453
Posted By jrs14855
Studs

Not certain but I don't think the holes for the mag studs are blind holes.
Forum: RV-14 03-16-2022, 01:50 PM
Replies: 8
Views: 964
Posted By jrs14855
Ignition

The determining factor for me is to ask myself: You are in E. Podunk and a mag is dead. Call Aircraft Spruce and you can probably have a mag the next day. System X, who knows? Maybe a day, maybe a...
Forum: Electronic Ignition Systems 03-16-2022, 01:18 PM
Replies: 11
Views: 1,453
Posted By jrs14855
Studs

To further clarify this an oversize stud will be the same outside diameter on the threaded portion. In the OP case approximately .312 with some variance in manufacturing tolerance. There are two ways...
Forum: Electronic Ignition Systems 03-16-2022, 11:02 AM
Replies: 11
Views: 1,453
Posted By jrs14855
Studs

Studs are available with oversize THREADS. Standard diameter, the stud thread is machined to create a slightly tighter fit in the accy case.
Check with one of the larger engine parts vendors. They...
Forum: RV General Discussion/News 03-14-2022, 01:14 PM
Replies: 15
Views: 2,605
Posted By jrs14855
Buck

Buck is too modest. Former T38 instructor at the end of his AF career. RV8 builder, former Bowers Fly Baby owner. Civilian jet warbird pilot and airline pilot.
Forum: Traditional Aircraft Engines 03-14-2022, 01:06 PM
Replies: 48
Views: 66,001
Posted By jrs14855
Ball valve

Ball valve from the hardware store.
Forum: RV Ongoing Maintenance Issues 03-14-2022, 01:00 PM
Replies: 24
Views: 3,015
Posted By jrs14855
Crack

Given the small crack along the line where the fiberglass joins the aluminum there was likely some kind of impact.
Forum: RV Ongoing Maintenance Issues 03-14-2022, 12:58 PM
Replies: 24
Views: 3,015
Posted By jrs14855
Windshield

If there is no known history of unusual impact the next most likely cause is failure to properly smooth the edge of the acrylic. That can be done with progressively finer sanding blocks working...
Forum: RV-14 03-12-2022, 01:42 PM
Replies: 10
Views: 1,815
Posted By jrs14855
Fueling

Plus one on message #5. No one besides myself ever has or ever will fuel my airplane.
Forum: Canada 03-11-2022, 02:12 PM
Replies: 41
Views: 3,833
Posted By jrs14855
ADS B Out

And above 10,000' within 2500' of terrain which is a very vague rule.
Forum: Instrument Flight Rules 03-09-2022, 04:23 PM
Replies: 21
Views: 2,750
Posted By jrs14855
LPV

The precision approach issue is an ICAO issue. Essentially most LPV approaches are to the same DH/DA as an ILS. The difference is that most LPV approaches require 3/4 mile visibility vs 1/2 for most...
Forum: RV General Discussion/News 03-08-2022, 02:03 PM
Replies: 6
Views: 1,424
Posted By jrs14855
Avionics/Wentworth

An option would be to have Stein bench check it. They are in the same area.
Forum: International 03-03-2022, 04:52 PM
Replies: 14
Views: 2,549
Posted By jrs14855
Brazil

12 nautical miles in most cases. Be careful about countries like Venezuela. Cuba may also have different standards. years ago Cuba shot down a civilian Cessna that was well within international...
Forum: International 03-03-2022, 04:15 PM
Replies: 14
Views: 2,549
Posted By jrs14855
Brazil

The island chain until just short of Venezuela, stay offshore in international airspace until off the coast of French Gieuna.
Forum: International 03-03-2022, 02:26 PM
Replies: 14
Views: 2,549
Posted By jrs14855
Brazil

All the flights that I know of went from the islands to French Guinea and then followed the coast.
Forum: International 03-03-2022, 11:55 AM
Replies: 14
Views: 2,549
Posted By jrs14855
Brazil

Greg-
The standard routing for decades has been S Florida down thru the islands to the NE coast of South America.
Experimental situation in Mexico has not changed and is not likely to change short...
Forum: Traditional Aircraft Engines 03-03-2022, 09:20 AM
Replies: 15
Views: 2,720
Posted By jrs14855
Plugs

My thought is that you will find evidence on the top of the piston of something bouncing around inside the cylinder.
I would not describe the spark plugs as welded but rather mechanically damaged by...
Forum: RV Ongoing Maintenance Issues 02-28-2022, 12:07 PM
Replies: 3
Views: 608
Posted By jrs14855
Torque

How often do you retorque your connecting rod bolts? The answer would be never.
The engine mount to fuselage bolts do need retorqueing. There is no demonstrated need to retorque mount to engine...
Forum: RV Friends Who Have Passed On 02-21-2022, 09:35 AM
Replies: 7
Views: 2,629
Posted By jrs14855
Location

I have never landed at Triangle but have driven past there many times. It is not "near Kingman". It is closer to Boulder City. It is a residential airpark, owner is listed as airpark association....
Forum: RV General Discussion/News 02-13-2022, 09:45 AM
Replies: 52
Views: 7,218
Posted By jrs14855
Bargains

Wittman Tailwind, Thorp T18 and Mustang 2 can often be found for less than what many RV builders spend on the panel.
My Tailwind cruises 170 kts with 0 320 and Whirlwind GA. RV has better runway...
Forum: My RV Build Project 02-10-2022, 10:08 AM
Replies: 474
Views: 243,506
Posted By jrs14855
Engine

There are quite a few -51 engines. Most likely a IO-360 C series.
Refer to Lycoming SSP-110-2 which can be found online. In the back of that document you will find what airplanes used that engine....
Forum: RV Ongoing Maintenance Issues 02-08-2022, 12:18 PM
Replies: 16
Views: 2,031
Posted By jrs14855
Welding

There is no demonstrated need for "normalizing" a properly done TIG weld. The step welding can be done in place, a little at a time, with TIG. It requires a relatively skilled welder. The heat...
Forum: RV-4 02-08-2022, 12:03 PM
Replies: 36
Views: 4,417
Posted By jrs14855
Engine

By far the major issue for inactive engine is cam and lifters. Cylinders can be an issue depending on type. Chrome is obviously not an issue. Nitride is the worst. Other types somewhere in...
Forum: Traditional Aircraft Engines 02-06-2022, 01:55 PM
Replies: 27
Views: 2,444
Posted By jrs14855
A&P

I learned decades ago how little practical knowledge most A&P's have about engines. I cringe every time I see a post " I assembled my engine with help from an A&P."
Forum: RV-4 02-06-2022, 09:49 AM
Replies: 16
Views: 2,035
Posted By jrs14855
Beech 18

The Beech 18 tri gear was designed by John Thorp for the Volpar Co. It has been installed on converted C45's to H18. From 63 on it was a factory option. There were lots of H18 taildraggers.
I was...
Forum: RV-4 02-04-2022, 02:54 PM
Replies: 36
Views: 4,417
Posted By jrs14855
RV4

Regarding ADSB i9t is possible to get a semi permanent waiver for locations such as yours. The protocol is to leave the mode C veil by the most direct route. There is precedent for this.
If you want...
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