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Search: Posts Made By: jrs14855
Forum: RV General Discussion/News 11-29-2022, 04:33 PM
Replies: 55
Views: 4,909
Posted By jrs14855
Equipment

11 years with the Pitts, compass, chart, airspeed and altimeter. Nothing electric installed. That prepared me for many failures like the battery failure in a Seneca that shut down the entire...
Forum: RV-3 11-26-2022, 02:05 PM
Replies: 57
Views: 2,812
Posted By jrs14855
Speed

I would think there is something very inconsistent in measuring speed and power. Possibly some kind of engine issue. There is know way that gear leg fairings can cause that kind of speed difference....
Forum: RV-8/8A 11-26-2022, 01:56 PM
Replies: 22
Views: 2,113
Posted By jrs14855
Canopy

I think the most common issue is the builders failure to polish the edges of the canopy to a perfect finish. Absolutely no tool marks remaining. Lightly chamfer to edges to the same standard. A very...
Forum: RV-8/8A 11-25-2022, 01:39 PM
Replies: 22
Views: 2,113
Posted By jrs14855
Snaps

I unloaded the snaps, I call it accelerating the snap, for years in everything from the Pitts S1S to the Su26 and 29. I took it a step further in the Pitts by moving the stick slightly forward of...
Forum: RV-8/8A 11-25-2022, 12:44 PM
Replies: 22
Views: 2,113
Posted By jrs14855
acro

While probably not a significant risk, hammerheads do pose some risk of evolving into an inadvertent tailslide. Even when practicing a lot and doing intentional tailslides it is pretty rare for the...
Forum: Northeast 11-25-2022, 10:10 AM
Replies: 3
Views: 227
Posted By jrs14855
EAA

Chapter 486. Been active at least since the 70's.
Forum: Northeast 11-24-2022, 10:10 AM
Replies: 3
Views: 227
Posted By jrs14855
builders

The local EAA Chapter is in Fulton, they have a hangar ar Fulton Oswego Airport.
Forum: Traditional Aircraft Engines 11-21-2022, 03:04 PM
Replies: 19
Views: 9,852
Posted By jrs14855
Power

Just get a Cherokee 180 pilot handbook and copy that. No Constant speed prop but pretty close.
Forum: RV-10 11-21-2022, 02:55 PM
Replies: 31
Views: 2,852
Posted By jrs14855
Shimmy

I have Sam James wheel pants on my Wittman Tailwind. Balanced the left side wheel pant only. No help. Removed the balance weight. Removing the aft portion of the wheel pants reduced the severity or...
Forum: Traditional Aircraft Engines 11-19-2022, 12:59 PM
Replies: 9
Views: 752
Posted By jrs14855
Lycoming

For anyone who places any value on their Lycoming engine, I strongly recommend searching for "What Lycoming Won't Tell You" by Bill Marvel.
Among other things it explains why on Cessna 172 and 182's...
Forum: RV General Discussion/News 11-17-2022, 04:13 PM
Replies: 38
Views: 8,123
Posted By jrs14855
crosswind

At the US National Aerobatic Championships in Sherman TX competitors flew all day with an absurd 90 degree crosswind. I think gusts to 50 when I flew. I landed across the runway with no issues in the...
Forum: RV General Discussion/News 11-15-2022, 02:15 PM
Replies: 19
Views: 3,854
Posted By jrs14855
cutting

For straight edges most any jump shear will cut .050. A high dollar shear such as Pexto will cut .063.
Built from scratch EAB the only thing I routinely "farm out" is aluminum welding
Forum: Traditional Aircraft Engines 11-12-2022, 05:09 PM
Replies: 11
Views: 1,283
Posted By jrs14855
Gear

Did you pre oil the engine by motoring with starter with spark plugs removed?
What were the ambient temps for break in?
What was the oil pressure? High green oil pressure is believed to help on...
Forum: Safety 11-12-2022, 11:12 AM
Replies: 291
Views: 43,188
Posted By jrs14855
Atlantic City RV7

This would be a good time for an in depth review of the Atlantic City RV7A accident. The pilot was clearly trying to learn to do aileron rolls on his own.
Some of the previous attempts resulting in...
Forum: VAF Classifieds (posts in here deleted after 30 days) 11-10-2022, 04:55 PM
Replies: 4
Views: 1,174
Posted By jrs14855
Tools

Need to know if wide deck or narrow deck, cylinder wrenches are different between to two. I think you can rent case splitting tools. Case tool would be hard to find used.
Forum: Safety 11-10-2022, 10:19 AM
Replies: 291
Views: 43,188
Posted By jrs14855
Autopilot

The lesson to be learned from the Australian accident is to know how to use the autopilot and if conditions dictate use the autopilot to get out of trouble.
Forum: Traditional Aircraft Engines 11-09-2022, 12:40 PM
Replies: 19
Views: 2,274
Posted By jrs14855
Break In

I have 0 320 in Wittman Tailwind with Lycoming nitride cylinders, carb and Bendix mags. Break in was under very challenging conditions. 110 plus ambient temperatures. I had one very short excursion...
Forum: Traditional Aircraft Engines 11-08-2022, 05:26 PM
Replies: 19
Views: 2,274
Posted By jrs14855
Cylinders

Just under 400 should not glaze the cylinders. I don't like the change to AD oil at 10 hours. I don't like the Phillips for break in at high ambient temperatures.
There is 50 plus years of history...
Forum: RV-7/7A 11-07-2022, 02:12 PM
Replies: 15
Views: 1,344
Posted By jrs14855
RV7

Extensive discussions on here about RV7 structural failures. Some final reports indicate substantial exceedance of Vne. At least one involved a pilot trying to learn aileron rolls on his own.
RV6 by...
Forum: RV General Discussion/News 11-02-2022, 04:15 PM
Replies: 45
Views: 3,579
Posted By jrs14855
Earthrounder

The first earthrounder in a homebuilt was Don Taylor in a Thorp T18. Oshkosh to Oshkosh in 1976.
One current distance record in a homebuilt is Bill Harrelson in a Lancair 4. Guam to Jacksonville Fl...
Forum: RV General Discussion/News 11-02-2022, 03:45 PM
Replies: 45
Views: 3,579
Posted By jrs14855
Conrad

I think Max Conrad's Twin Comanche flight was 58 hours. The seat was a tank with a thin piece of foam. I actually got to sit in that TC many years ago.
I think Conrad started out at a fairly normal...
Forum: RV General Discussion/News 11-01-2022, 05:10 PM
Replies: 45
Views: 3,579
Posted By jrs14855
RV4

Jon Johanson set 48 world records in his RV4, three times around the world. East, West and North South. Lots of articles about his flights, would probably tell you where to put fuel in RV4.
Forum: Traditional Aircraft Engines 10-31-2022, 11:24 AM
Replies: 10
Views: 942
Posted By jrs14855
Compression

10-1 pistons in either the 320 or 360 parallel valve-full throttle at sea level standard day is not a problem 10-1 is quite common in aerobatic community and those airplanes are often run full...
Forum: Traditional Aircraft Engines 10-30-2022, 12:21 PM
Replies: 10
Views: 942
Posted By jrs14855
High Compression

I have 10:1 pistons in a 0 320 in a non RV. Balanced with carb and Bendix mags. I figure I am getting 168 hp at sea level standard day. The big question I have is whether 10-1 will work if unleaded...
Forum: RV General Discussion/News 10-28-2022, 06:21 PM
Replies: 11
Views: 1,286
Posted By jrs14855
Ground

Simple way to prove this is an automotive jumper cable from the battery ground terminal to the starter housing. See if it cranks better.
Forum: RV General Discussion/News 10-28-2022, 06:20 PM
Replies: 11
Views: 1,286
Posted By jrs14855
Ground

A dedicated lead from the battery ground terminal to the starter housing will make a difference.
Forum: Probable Cause Documents Discussed 10-26-2022, 11:13 AM
Replies: 33
Views: 5,082
Posted By jrs14855
Thank You

[QUOTE=Epepperman;1642462]Recovery from a split S at 450í.[/QUOT

Thank You for that. That is aerobatics below 1500' AGL
Forum: Probable Cause Documents Discussed 10-25-2022, 04:31 PM
Replies: 33
Views: 5,082
Posted By jrs14855
??

No mention of parachutes and no mention of aerobatics below 1500' Approximately 400' AGL is really scary part. I wonder if there has been certificate action against the PIC??
Forum: Probable Cause Documents Discussed 10-25-2022, 04:25 PM
Replies: 33
Views: 5,082
Posted By jrs14855
Flight Review

There are several alternatives to Flight Review. Part 121 or 135 check rides "in lieu of" are among the options.
Forum: RV General Discussion/News 10-23-2022, 12:09 PM
Replies: 18
Views: 1,812
Posted By jrs14855
Carb

The Marvel carbs have a history of the float rubbing/sticking on the side of the float cavity.
Forum: RV Ongoing Maintenance Issues 10-21-2022, 02:55 PM
Replies: 14
Views: 1,621
Posted By jrs14855
Fitting

The OP is showing a D fitting-aluminum AN2D, 3D and 4D are all 1/8 pipe thread. Tube outside diameter respectively is 1/8" 3/16" and 1/4 3D would be the most common for small instruments.
Forum: RV-10 10-21-2022, 11:18 AM
Replies: 19
Views: 2,680
Posted By jrs14855
another option

For the OP-have you considered researching the high end custom engine shops such as Barrett and determine their lead time for a custom engine as well as availability of cores.
Forum: RV-8/8A 10-19-2022, 02:37 PM
Replies: 48
Views: 7,226
Posted By jrs14855
Harry Barr

From Harry Barr obituary's: Harry flew the P51 just over a month before he passed. Harry was one of the original founders of Duncan Aviation at Lincoln NE. I worked for another FBO in Lincoln for a...
Forum: RV-8/8A 10-18-2022, 03:50 PM
Replies: 48
Views: 7,226
Posted By jrs14855
Canadian P51's

Some of the Canadian P51's were at Canastota NY Airport, I think starting in the early 60's. One of them crashed there when a VERY inexperienced pilot tried to take one for a ride. He survived but...
Forum: RV General Discussion/News 10-16-2022, 03:26 PM
Replies: 36
Views: 3,536
Posted By jrs14855
BFR

The significant weakness of PC a tubojet aircraft in lieu of BFR is that the jet PC only includes approaches to stalls.
A while ago I crossed paths with a current, active GA Instructor who did not...
Forum: Traditional Aircraft Engines 10-16-2022, 03:18 PM
Replies: 2
Views: 620
Posted By jrs14855
Cam

You need to send the accessory case to Divco to have it modified. The alternative is to find a good used case that does not have the steel cup.
Forum: Probable Cause Documents Discussed 10-12-2022, 04:28 PM
Replies: 19
Views: 2,932
Posted By jrs14855
Elevator

There are also elevator control system failures. In some cases an improperly installed bolt falling out. Tom Cassutt had a bolt come out of the elevator pushrod connection on a cross country. No...
Forum: Traditional Aircraft Engines 10-12-2022, 04:15 PM
Replies: 6
Views: 1,020
Posted By jrs14855
Engines

C4A5 is a Piper Commanche 260 engine. Parallel valve Similar to 250 hp version except for slightly higher rated r/m.
J4A5 is Piper Aztec engine. The Aztec engines are probably the most plentiful of...
Forum: RV Photo/Video URLs 10-09-2022, 08:33 PM
Replies: 25
Views: 2,088
Posted By jrs14855
Spades

There is absolutely no need for spades for the type of acro done with an RV. You are motivating people to experiment in areas that could result in the ultimate penalty.
The shape of the trailing...
Forum: RV Photo/Video URLs 10-08-2022, 01:28 PM
Replies: 25
Views: 2,088
Posted By jrs14855
Spades

I can tell you from direct experience that Van does not like full deflection rolls in the RV4 and it is likely the same for other aerobatic RV's.
Forum: Traditional Aircraft Engines 10-07-2022, 05:35 PM
Replies: 6
Views: 1,002
Posted By jrs14855
Alternator

Lots of photos and part numbers in spruce catalog. If you have a plane power now would be a good time to switch to B&C Spruce prices on this stuff are absurd.
Forum: Traditional Aircraft Engines 10-07-2022, 04:03 PM
Replies: 6
Views: 1,002
Posted By jrs14855
Parts

Alternator bracket is different. spruce catalog may have some helpful info. Starter mount should be the same. Prop bushings are easy. Some threaded rod and sockets and heavy washers to remove and...
Forum: RV-9/9A 09-28-2022, 06:46 PM
Replies: 36
Views: 3,294
Posted By jrs14855
Conrad

Conrad used the Twin Commanche as a personal airplane after the record flight. It still had the tanks. I don't think anyone knew or cared what his gross weight was. If he was in NY and wanted to go...
Forum: RV-9/9A 09-28-2022, 06:38 PM
Replies: 36
Views: 3,294
Posted By jrs14855
Certification

I think the Conrad Comanche's were probably Experimental research and development.
The Lancair may have only required testing for the proposed gross weight.
Harrelson beat a solo around the world...
Forum: RV-9/9A 09-28-2022, 05:15 PM
Replies: 36
Views: 3,294
Posted By jrs14855
Record Breakers

For most of my life I have been fascinated by long distance flights in small airplanes, starting with Max Conrad in the early 60s. Currently Bill Harrelson's record breaking flights have been of...
Forum: Safety 09-24-2022, 01:32 PM
Replies: 15
Views: 2,395
Posted By jrs14855
Stalls

65 years of unstable approaches just as I learned in the Cub. Ag pilots take this to a whole new level. How come we're not all dead?? Its all about angle of attack.
Watch the RV4 turnback video. All...
Forum: RV General Discussion/News 09-23-2022, 01:45 PM
Replies: 19
Views: 2,736
Posted By jrs14855
Stalls/spins

Spin requirement ended in the early 50's. As far as Private check ride, just do what the examiner wants and then go get some REAL stall spin training.
A real eye opener is the article in a recent...
Forum: RV General Discussion/News 09-20-2022, 02:27 PM
Replies: 13
Views: 2,541
Posted By jrs14855
Reno

Somewhere in the posts on RV7 structural failures there is mention of mods to the vertical tails on at least some of the RV's that race at Reno.
Forum: RV Building Tips/Techniques 09-18-2022, 12:05 PM
Replies: 9
Views: 1,086
Posted By jrs14855
Screws

There is a variety of other helpful tools for this. Hex head adapter for 1/4" drive adapter. Knurled round ratchet about 1 1/2" diameter. Stubby 1/4" drive ratchet.
Forum: RV General Discussion/News 09-17-2022, 04:50 PM
Replies: 4
Views: 2,703
Posted By jrs14855
RV6

Another RV6 fatal(2) just showed up on Kathryn's Report. Occurred 9/14 in Preston ID. Registered to a Vale OR address
Forum: West (and Southwest) 09-15-2022, 06:29 PM
Replies: 20
Views: 1,787
Posted By jrs14855
RENO

Stead went down to 3 miles and the few spectators that were there have mostly gone home. Two Formula One heat races today if I read it correctly and a lot of wasted time.
Forum: West (and Southwest) 09-15-2022, 11:22 AM
Replies: 20
Views: 1,787
Posted By jrs14855
RENO

RARA is requiring six miles vis for racing. Stead is currently 4 miles. Reno Intl forecast for a four hour window of six miles starting at noon then below six again.
Forum: Safety 09-14-2022, 11:13 AM
Replies: 291
Views: 43,188
Posted By jrs14855
Vans

I think it's way past time for Vans to reveal just what testing was done with the RV9 rudder and provide more specifics on the spin testing with the original rudder.
Forum: West (and Southwest) 09-12-2022, 03:10 PM
Replies: 20
Views: 1,787
Posted By jrs14855
Route

OP stated no O2. The ABQ route seems the best considering lack of O2. That route can be flown from AMA to Bullhead City area at 8500' with some deviations for terrain around ABQ and Grants....
Forum: West (and Southwest) 09-12-2022, 01:37 PM
Replies: 20
Views: 1,787
Posted By jrs14855
Route

Watch out for the temperatures. This morning was the first cool morning in at least three weeks and the high temps go all the way to KC area. ABQ is a good routing for no oxygen. it can be done as...
Forum: Propellers 09-10-2022, 06:40 PM
Replies: 8
Views: 1,800
Posted By jrs14855
Performance

630-551-8733
flyperfprops@gmail.com
Yorkville IL
Forum: Propellers 09-10-2022, 06:31 PM
Replies: 8
Views: 1,800
Posted By jrs14855
Performance

Performance Propellers is now in the Chicago area. Two brothers trained by Frank and they took over the business.
Morris??? Il. I'll post more info when I find it.
Forum: RV General Discussion/News 09-10-2022, 03:35 PM
Replies: 60
Views: 7,230
Posted By jrs14855
LL Ban

Just showed up on Barnstormers. CA politicians lobbying for total ban on Lead fuels in US.
Forum: RV-7/7A 09-04-2022, 10:57 AM
Replies: 43
Views: 10,023
Posted By jrs14855
Carbs

The OP's engine is fuel injected. The marvel carbs on the Lycoming have had issues with float rubbing against the bowl causing the float to stick. This is at least partially due to the poor fit of...
Forum: Probable Cause Documents Discussed 08-31-2022, 07:39 PM
Replies: 84
Views: 9,898
Posted By jrs14855
Fuel

That's why nobody but me ever touches my airplane. A proper ground flow test would have identified that immediately.
Forum: RV General Discussion/News 08-31-2022, 04:03 PM
Replies: 23
Views: 2,839
Posted By jrs14855
Talk

I detest excess talk on CTAF. Worst example-xxx is 8 miles southwest last call. Likewise the use of the world uncontrolled. Its NON TOWER.
Forum: Safety 08-29-2022, 01:51 PM
Replies: 291
Views: 43,188
Posted By jrs14855
Gee Bee

The first racing Gee Bee was the Z. The original was lost in a fatal accident during a speed record attempt. After years of speculation it is now believed, as a result of the testing that Kermit had...
Forum: Safety 08-29-2022, 01:45 PM
Replies: 291
Views: 43,188
Posted By jrs14855
Flutter Testing

Kermit got involved in flutter testing after the loss of a close friend in a flutter accident in a aerobatic monoplane. After the recommended modifications, similar airplanes were trouble free except...
Forum: Traditional Aircraft Engines 08-29-2022, 12:19 PM
Replies: 10
Views: 2,193
Posted By jrs14855
TBO

The late Monty Barrett told me that a 540 with 10-1 compression flown hard will be ready for a major at around 700 hours.
The other consideration is will the 100LL replacement work on a 10-1...
Showing results 1 to 64 of 500

 
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