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Search: Posts Made By: db1yg
Forum: Interiors 11-07-2021, 06:53 PM
Replies: 18
Views: 2,486
Posted By db1yg
Leather vs Ultra Leather (synthetic)

I had ultra leather initially (2years) but just “had to have that leather texture and smell”! The leather Classic Aero looks great but does not wear quite as well as ultra, is heavier, and is not as...
Forum: Electronic Ignition Systems 10-04-2021, 06:46 AM
Replies: 26
Views: 5,704
Posted By db1yg
Coil Failure

Kaweeka-which coil failed-f.w. mount or engine mounted coil?
Cheers
db
Forum: RV General Discussion/News 09-02-2021, 07:36 AM
Replies: 14
Views: 2,505
Posted By db1yg
Vapor

I have tried a number of things to reduce the "chugging" from vapor when the engine is hot--with very little success except for one item. I tried using thick walled silicone tubing with an I.D. the...
Forum: RV General Discussion/News 08-17-2021, 07:07 AM
Replies: 2
Views: 1,030
Posted By db1yg
Service

****-that is disappointing! I have used these guys for service, advice, and purchases for years-hope this is an isolated incident although it sounds as though it is not!
Best of luck to you.
Cheers...
Forum: Tools 06-13-2021, 10:49 AM
Replies: 14
Views: 5,870
Posted By db1yg
Tried a lightweight hose-still didn’t like...

Tried a lightweight hose-still didn’t like it-seemed it was always hung up on something in the shop-plus I really don’t like the compressor noise.
Much prefer the battery.
Cheers
db
Forum: Tools 06-13-2021, 08:07 AM
Replies: 14
Views: 5,870
Posted By db1yg
Milwaukee Rivet Puller

Been using the M12 for the last year on an S-21 project. It has performed well and the major components are complete-ie thousands of rivets pulled. It is a little heavy but I would not go back to...
Forum: RV General Discussion/News 06-03-2021, 07:56 AM
Replies: 19
Views: 2,441
Posted By db1yg
Not an electrical engineer so I can only relay my...

Not an electrical engineer so I can only relay my experience-my gps antenna has been mounted in a similar location since 2006 with unwavering service. My brothers RV 7a since 2008 same results. ...
Forum: RV Ongoing Maintenance Issues 06-01-2021, 07:31 PM
Replies: 10
Views: 1,923
Posted By db1yg
Alternator

NAPA- 1987 Suzuki Samari alternator maybe $125-I prefer the Bosch rebuilds-look it over prior to departing-make sure the pulley tracks straight. Usually a lifetime warranty! If asked, it is going...
Forum: RV Building Tips/Techniques 04-07-2021, 07:01 AM
Replies: 11
Views: 1,488
Posted By db1yg
Anti-Rotation

I use a very small square file - mark the 12 o’clock position on the mounting
hole and file upward until fit. I have friends who made a template with a 1/16 drill hole at the correct position-used...
Forum: RV-7/7A 03-26-2021, 07:31 AM
Replies: 34
Views: 4,548
Posted By db1yg
Pressure

I have tried 30-35-40-45-50 on my 1100 lb (dry wt) RV9a. My best compromise for wear, landing characteristics, rolling resistance, etc is 45 lbs-I add if below 40.
Cheers
db
Forum: RV-4 03-16-2021, 09:00 AM
Replies: 25
Views: 4,228
Posted By db1yg
Power

I looked at Lyc power software Scott referenced but it is only accurate at best power mixture! Since so many of us run exclusively lean of peak, is there any software than also takes fuel flow into...
Forum: Places To Fly...Things to See...Things to Eat 03-13-2021, 12:33 PM
Replies: 3
Views: 1,033
Posted By db1yg
Mountain Aire

Love the place!
We used to go there during the summer when we lived in Tampa-really nice change in climate and the place is beautiful.
I would suggest you do a high pattern fly over before...
Forum: Fuel Injection Systems 02-19-2021, 06:00 PM
Replies: 25
Views: 6,400
Posted By db1yg
Flex Replacement Lines

Tom,
I would certainly be interested!
Could you work up some estimates assuming various sales levels using -2 and -3?
Sounds like a potential improvement in safety and maybe a greater margin before...
Forum: RV-6/6A 11-01-2020, 07:03 AM
Replies: 25
Views: 8,829
Posted By db1yg
DAR

Listen to Ron-correct observation and excellent advice!

Cheers
db
Forum: RV-9/9A 07-06-2020, 06:41 PM
Replies: 26
Views: 6,818
Posted By db1yg
X2 Kyle-well said! Cheers db

X2 Kyle-well said!

Cheers
db
Forum: Texas (South) 06-26-2020, 08:43 AM
Replies: 5
Views: 3,687
Posted By db1yg
Lockhart

That is easy-Lockhart - home of Kruez BBQ and Plane Talk hanger (if Phil and Ted are still there)!!!

Cheers
db
Forum: Places To Fly...Things to See...Things to Eat 03-31-2020, 07:28 AM
Replies: 4
Views: 3,492
Posted By db1yg
BBRSP

Ahhh-brings back some very pleasant memories! Janie and I visited the park 5 times during the 2007-2009 time frame- including a couple of RV fly ins (info in archives). It is a hidden treasure! ...
Forum: RV General Discussion/News 03-29-2020, 08:00 AM
Replies: 6
Views: 1,070
Posted By db1yg
Remote

So tell us?did you see any change in typical cruise oil temps or pressure?

Cheers

db
Forum: RV General Discussion/News 03-27-2020, 07:53 PM
Replies: 11
Views: 3,516
Posted By db1yg
Good Enough

To use a phrase from a local business with which I whole heartedly agree -Good enough just isn?t!!


Cheers
db
Forum: Electronic Ignition Systems 03-11-2020, 07:03 AM
Replies: 10
Views: 1,957
Posted By db1yg
PIII Plugs

Howdy Karl,

Just like Ed, I have been running the NGK BR8ES (3961-solid tip) plugs with my PIII system for 8 years. Since the plugs are inexpensive, I simply replace them at each annual. I buy...
Forum: RV-10 02-05-2020, 07:36 AM
Replies: 19
Views: 3,676
Posted By db1yg
Dragging Brakes

Had this happen while in phase I. I found that with my heels on the floor and feet resting on the rudder pedals, while on the taxiway, the ball of my foot was applying a small amount of pressure to...
Forum: RV-9/9A 02-04-2020, 09:56 AM
Replies: 52
Views: 17,842
Posted By db1yg
RV9a-IO360

I have been flying a 9a equipped with a 360 since 2006. Started out with an 0360/180 with a Catto 3 blade and over the years have converted to an AFP FI system and a WW 200RV composite CS propeller....
Forum: RV General Discussion/News 07-27-2019, 08:43 AM
Replies: 10
Views: 2,092
Posted By db1yg
SJ Nozzle Fabric

I did mine fabric out to provide the smoothest possible surface for internal air flow. This was done back in 2006 although I have replaced with new once.

Cheers

db
Forum: RV General Discussion/News 07-05-2019, 12:55 PM
Replies: 4
Views: 835
Posted By db1yg
AFP

Hey Rob,

Which AFP servo do you have??

Cheers,

db
Forum: RV General Discussion/News 02-25-2019, 07:31 PM
Replies: 81
Views: 28,394
Posted By db1yg
Thanks

Got it Dave--thank you for getting the info to me--my order goes in tomorrow.

Cheers,

db
Forum: RV-9/9A 01-01-2019, 10:06 AM
Replies: 20
Views: 9,143
Posted By db1yg
RV9(a) Performance

Hi Bill,

I would agree with you that the RV9 wing performs incredibly well at all altitudes but excels from 10k up into the mid teens--even though power is going down at the higher altitudes that...
Forum: RV-12/RV-12iS 11-15-2018, 09:06 AM
Replies: 26
Views: 10,238
Posted By db1yg
S-21/340 Titan

I have also been following the development of this aircraft very closely. And like Awd2gen, I am looking at the low compression 340 equipped Outbound. I just read through all the development...
Forum: RV-9/9A 11-02-2018, 01:02 PM
Replies: 14
Views: 4,837
Posted By db1yg
Don't Be Disappointed

Claude don't think something is wrong if you don't see that 18-20 knot increase. Raymo appears to be running a fp 3 blade Catto--per your signature you are running a 200RV CS prop. When Raymo...
Forum: RV-9/9A 11-01-2018, 10:51 AM
Replies: 14
Views: 4,837
Posted By db1yg
I ran several different generations of Catto 3...

I ran several different generations of Catto 3 blade props on my IO360 equipped 9a for many years. Also spent a lot of time testing prototype units for Craig. All testing was at 8k density or...
Forum: RV General Discussion/News 09-23-2018, 08:49 PM
Replies: 10
Views: 2,220
Posted By db1yg
500x5

There are at least two and maybe three RV9a aircraft that fly out of KPRC (Prescott, AZ) who have converted to RV10 based nose gear fork, 500x5 tire, and RV10 nose wheel fairing. The stance is...
Forum: RV Ongoing Maintenance Issues 09-21-2018, 03:26 PM
Replies: 11
Views: 2,569
Posted By db1yg
Erratic RPM

Happened twice to me. First time I replaced the sensor AND cleaned/secured the in line connectors and the problem went away! Second time I just cleaned and secured the in line connectors and the...
Forum: RV-8/8A 09-13-2018, 10:28 AM
Replies: 14
Views: 3,011
Posted By db1yg
Wrong Sensors

Hey Adam,

I would like to relay a story that might be of interest to you.

Last year a friend purchased a flying RV7a/360/FP Sens Propeller aircraft. Just before purchase the prior owner had dual...
Forum: Propellers 09-13-2018, 10:11 AM
Replies: 29
Views: 9,134
Posted By db1yg
Diameter

Hi Charlie,

Sorry, just saw your question on 2 blade diameter.

The 2 blade Catto I tested back to back with the 3 blade was the same blade design and pitch but the 2 blade was a 72" diameter...
Forum: Propellers 09-10-2018, 01:57 PM
Replies: 25
Views: 7,337
Posted By db1yg
2 Blade vs 3 Blade

Hi Charlie,

I have done just that using Catto products. Do a search for:

2 Blade Catto vs 3 Blade Catto

My post is #15.

Hope this helps.
Forum: Electrical Systems 08-22-2018, 09:32 PM
Replies: 181
Views: 77,743
Posted By db1yg
Blast Tube

Probably should install a blast tube to the IR on the alternator---Heat and cheap parts be the enemy!!

Cheers,

db
Forum: Electrical Systems 08-22-2018, 10:06 AM
Replies: 181
Views: 77,743
Posted By db1yg
Auto Alternator Reliability

My experience is with a $100 ND 55 amp internally regulated auto alternator that had been rebuilt by Bosch. It is the model that was originally on the 1987 Suzuki Samirai. It was rock solid at 14.2...
Forum: Electrical Systems 08-21-2018, 09:08 AM
Replies: 181
Views: 77,743
Posted By db1yg
Poll Results

This is some really "telling" data. If we were to resort the results into 3 categories--Auto alternator totals, Plane Power totals, and B&C totals we would have the following:

Total P.P. owners...
Forum: Propellers 08-21-2018, 08:51 AM
Replies: 29
Views: 9,134
Posted By db1yg
Catto Pitch and Diameter

"Catto for my RV-7A, the only question is how to pitch it"

Alexander, I would recommend you give Nicole or Craig a call to discuss your typical flying performance needs (take off, cross country,...
Forum: Propellers 08-20-2018, 10:01 PM
Replies: 29
Views: 9,134
Posted By db1yg
74" Pitch vs 74.5"

Hi Alexander,

No, I never did get a chance to run the generation 3-68x74" unit on my plane. I ended up with the 74.5" unit based on the following thought process:

The testing data demonstrated...
Forum: Propellers 08-20-2018, 09:38 AM
Replies: 29
Views: 9,134
Posted By db1yg
2 Blade Catto vs 3 Blade Catto

Back in late 2013/early 2014 I did much of the testing for Craig on the gen 3 Catto Carbon Fiber three blade design for the side by side Rvs equipped with the 180 hp Lycoming--I think Axel was...
Forum: Trip Write-ups 07-30-2018, 03:53 PM
Replies: 171
Views: 71,460
Posted By db1yg
Long Flight

Yep--looks like he is in "max endurance" mode or is encountering strong headwinds. The track details say he is currently going only 115 knots--if that continues it will take around 9 hours to get to...
Forum: RV-9/9A 07-05-2018, 09:38 PM
Replies: 7
Views: 1,780
Posted By db1yg
Oil Cooler on Firewall

Hi Peter,

I have an RV9a with a stock compression (8.5 to 1) IO360, James cowl and plenum, and a firewall mounted Stewart Warner 10599 cooler which gets its cooling air from above/behind the #4...
Forum: Trip Write-ups 06-28-2018, 09:31 AM
Replies: 48
Views: 25,219
Posted By db1yg
Cleveland Volcano

Hey Vlad,

I checked your aprs and it looks like you are back in the New York area--that is good. The science journals are talking about a volcanic eruption in the Aleutian Islands. It seems that...
Forum: Traditional Aircraft Engines 06-18-2018, 09:24 PM
Replies: 19
Views: 4,951
Posted By db1yg
#4 CHT

Bill,

Just a comment--I understand that Don at AirFlow Performance will help diagnose FI issues even if you do not use one of his AirFlow Performance FI systems. Give him a call -- incredibly...
Forum: Traditional Aircraft Engines 06-18-2018, 04:01 PM
Replies: 19
Views: 4,951
Posted By db1yg
#4 Cylinder Temp

Hey Kurt,

The reason the washer trick works on cylinder #3 is due to the cooling fin depth on the back side of the #3 cylinder. On the back side of cylinder 3 (and #1) the cooling fins taper to "0"...
Forum: Traditional Aircraft Engines 06-18-2018, 09:03 AM
Replies: 19
Views: 4,951
Posted By db1yg
#4 Cylinder Temp

Hi Bill,

I had the same problem (#4 ran 20 degrees F hotter than next hottest) and alway attributed it to the pick up point behind #4 for my firewall mounted oil cooler. My GAMI spread was also...
Forum: Electrical Systems 05-30-2018, 09:51 AM
Replies: 59
Views: 55,528
Posted By db1yg
Further Thoughts

Otis,

I whole heartedly agree with JonJay on this issue. You conducted testing that was rational and met your needs to confirm results. It may not be the way others would have done it but it gave...
Forum: RV-7/7A 05-21-2018, 09:24 PM
Replies: 36
Views: 12,517
Posted By db1yg
WW and Catto

Hi Reaver,

I have not done any "scientific" data collection on the performance differences. I do have some "seat of the pants" info. Take off roll is probably 20-25% shorter due to the 2650-2700...
Forum: RV-7/7A 05-17-2018, 09:29 PM
Replies: 36
Views: 12,517
Posted By db1yg
RV200

Hi Dominik,

A couple of months ago I converted my RV9a/180 from a Catto 3 blade fp to the RV200 two blade. I can not add much to Jim's info other than to say it performs very well, is smooth,...
Forum: Propellers 05-10-2018, 09:08 AM
Replies: 10
Views: 2,258
Posted By db1yg
Dynamic Prop Balance

Got it done!! IO360-RV9a with a WW RV200. It took 3 runs--one baseline, one with initial wt added, and last with final wt. The baseline showed 0.331 ips, second run was 0.24 ips, and the third was...
Forum: Propellers 04-23-2018, 09:03 AM
Replies: 10
Views: 2,258
Posted By db1yg
Thanks Bob

Hey Bob,

And if I go to 2350 the harmonic tendency is eliminated since Lyc says the worst of it occurs at 2050 to 2300.

All the best and of course,

Cheers,

db
Forum: Propellers 04-23-2018, 07:21 AM
Replies: 10
Views: 2,258
Posted By db1yg
Propeller Dynamic Balance Questions

Howdy,

A couple of questions to those of you who have experience with dynamic balancing of constant speed propellers:

1. When selecting an rpm for the balance run, should we avoid the 2050 to 2300...
Forum: RV General Discussion/News 03-24-2018, 09:28 AM
Replies: 15
Views: 2,940
Posted By db1yg
Just Went Through This

Howdy,

My Whelen power pack (same unit as yours) recently went TU after 10+ years of problem free service. I am going to the Whelen MicroBurst II system which, at AC Spruce, costs less than simply...
Forum: Trip Write-ups 03-16-2018, 08:52 PM
Replies: 6
Views: 3,499
Posted By db1yg
Cedar Key

Brings back memories. Janie and I used to fly our Mooney 201 into Cedar Key to enjoy the sea food and the slow pace. We would circle the pier and the senior lady taxi driver would be waiting for us...
Forum: RV-14 03-05-2018, 06:33 PM
Replies: 120
Views: 176,390
Posted By db1yg
Painted RV14

Keith,

That is one BEAUTIFUL bird!!! Great paint scheme and one you will enjoy for years to come.

Congratulations!

Cheers,

db
Forum: Fiberglass 02-27-2018, 02:19 PM
Replies: 8
Views: 7,379
Posted By db1yg
Pics

Hi Scott,

Took a couple of pics on the iPhone while at the hanger. PM me an email and I will send direct--I don't have a pic posting service.

Cheers,

db
Forum: Fiberglass 02-27-2018, 10:02 AM
Replies: 8
Views: 7,379
Posted By db1yg
Cowl Oil Drain Hole

Hi Scott,

I also have a 9a with the James cowl and a 3 blade prop--I did just what you describe during my build and it saves a GREAT deal of time and hassle. I just marked the center point under...
Forum: Propellers 12-25-2017, 10:17 AM
Replies: 4
Views: 1,348
Posted By db1yg
Spinner Backplate

Hi Craig,

I assume you have a two piece carbon fiber back plate? If yes, how is your spinner back plate "clocked" relative to the two prop bolt secured mounting plates? Does the split line on the...
Forum: Propellers 12-05-2017, 04:50 PM
Replies: 98
Views: 46,777
Posted By db1yg
Flight Test Results

OK Bob, we are on pins and needles here?please report!

db
Forum: RV General Discussion/News 12-04-2017, 06:08 PM
Replies: 67
Views: 18,423
Posted By db1yg
Mobil 1 ATF

I converted to Mobil 1 ATF 4 years ago and have had good service and no problems. At the time of the conversion I also changed out the caliper o rings to Viton. Both changes were to raise the...
Forum: RV-10 10-01-2017, 08:52 AM
Replies: 22
Views: 3,747
Posted By db1yg
Flush Static

Hi Ken,

I used some beautiful flush mounted static ports that included some really neat "O" Ring sealed connectors on my last RV9a build. If memory serves, they were from a company out of the...
Forum: Propellers 08-30-2017, 09:32 AM
Replies: 98
Views: 46,777
Posted By db1yg
HRT Prop

Hey Guys,

Late yesterday I talked with Bill K. of Whirlwind. He is involved with the testing of their propellers including the HRT74. Bill tells me that the new HRT74 prop is designed for 205 hp...
Forum: Propellers 08-29-2017, 09:54 AM
Replies: 98
Views: 46,777
Posted By db1yg
HRT

Thanks Bob,

Looking forward to the test results!

Cheers,

db
Forum: Propellers 08-29-2017, 08:53 AM
Replies: 98
Views: 46,777
Posted By db1yg
HRT74 Prop

Thanks for that Bob. The text is very informative and unambiguous. Wonder why they told at least two of us otherwise?? Think I will give them a call.

Cheers,
db
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