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Search: Posts Made By: rocketbob
Forum: GPS Yesterday, 01:54 PM
Replies: 4
Views: 72
Posted By rocketbob
G5 RS232 definitely works with the ESG for...

G5 RS232 definitely works with the ESG for encoder input.
Forum: Traditional Aircraft Engines 04-13-2021, 06:40 AM
Replies: 20
Views: 2,129
Posted By rocketbob
There's a lot of going off in the weeds here. To...

There's a lot of going off in the weeds here. To answer the question "how bad is this", one has to first measure.

The only way to accurately measure this is on a granite surface plate using a shim...
Forum: Glass Cockpit 04-12-2021, 05:29 PM
Replies: 39
Views: 12,460
Posted By rocketbob
Garmin's Lidar even works on...

Garmin's Lidar even works on Mars.

https://www.garmin.com/en-US/blog/general/garmin-on-mars/
Forum: RV Ongoing Maintenance Issues 04-07-2021, 09:21 AM
Replies: 13
Views: 1,081
Posted By rocketbob
Often I find mis-greasing or putting too much...

Often I find mis-greasing or putting too much grease in a prop hub causes more problems than it solves. The big o-rings around the blades ride on "teflons" and too much grease causes the orings to...
Forum: RV-6/6A 04-06-2021, 01:52 PM
Replies: 14
Views: 839
Posted By rocketbob
I have both airplanes. This is nonsense. I...

I have both airplanes. This is nonsense. I would take a RV out any day over the 150 in gusty conditions. #1 reason is quick climb to smooth air. #2 more responsive handling in the bumps.
Forum: RV General Discussion/News 04-06-2021, 06:57 AM
Replies: 19
Views: 4,006
Posted By rocketbob
Aeroshell is a clay-based grease. I only use...

Aeroshell is a clay-based grease. I only use Lucas Red and Tacky.
Forum: RV Ongoing Maintenance Issues 03-31-2021, 07:31 PM
Replies: 13
Views: 981
Posted By rocketbob
IMO the only thing that causes stuck valves is...

IMO the only thing that causes stuck valves is dirty oil. I do not change oil based on hours or calendar time. Gets dark brown, almost black...change it. My last oil change in my Comanche was at...
Forum: Glass Cockpit 03-30-2021, 07:25 PM
Replies: 15
Views: 1,007
Posted By rocketbob
I know enough about solar flares, the military,...

I know enough about solar flares, the military, people with jammers, bad TNC connections, bad antennas, etc. any of which of these failure modes has me convinced to have VHF nav onboard.
Forum: COMM 03-28-2021, 08:41 AM
Replies: 2
Views: 292
Posted By rocketbob
http://www.aeroelectric.com/Installation_Data/Garm...

http://www.aeroelectric.com/Installation_Data/Garmin/SL30_IM.pdf

Appendix E
Forum: RV General Discussion/News 03-25-2021, 12:27 PM
Replies: 11
Views: 1,121
Posted By rocketbob
Last summer was on short final into our strip, at...

Last summer was on short final into our strip, at night, in my Comanche. Short final brake check as normal and WHOA no brake pedal physically there, but felt it laying on floor with my toes. No big...
Forum: RV-10 03-24-2021, 07:56 AM
Replies: 9
Views: 465
Posted By rocketbob
The advantage of the CIES sender is that it uses...

The advantage of the CIES sender is that it uses a magnetic angular position IC to get the position of the float arm. What this means is there is no traditional pot wiper which eventually wears...
Forum: Reviews 03-23-2021, 07:08 PM
Replies: 6
Views: 701
Posted By rocketbob
Have bought lots of stuff from him lately. I am...

Have bought lots of stuff from him lately. I am patient with him, he runs two avionics shops and works 12 hour days. 100% recommend him.
Forum: RV Ongoing Maintenance Issues 03-22-2021, 06:42 PM
Replies: 26
Views: 1,925
Posted By rocketbob
Perhaps then please explain to the audience here...

Perhaps then please explain to the audience here how filtered oil drains thru the threaded fitting (the center) back into the sump.
Forum: RV Ongoing Maintenance Issues 03-22-2021, 03:05 PM
Replies: 26
Views: 1,925
Posted By rocketbob
One thing I am reminded of today and that is that...

One thing I am reminded of today and that is that its probably a good idea to put a tee fitting at the bottom of the oil cooler as does Cessna in later model 172s. From there you can drain the oil...
Forum: RV Ongoing Maintenance Issues 03-22-2021, 02:48 PM
Replies: 26
Views: 1,925
Posted By rocketbob
No. Oil is fed to the outside of the pleats from...

No. Oil is fed to the outside of the pleats from either of two paths. Thru the center of the filter is where filtered oil exits the filter and feeds the engine. Filtered oil cannot drain back to...
Forum: RV Ongoing Maintenance Issues 03-22-2021, 01:56 PM
Replies: 26
Views: 1,925
Posted By rocketbob
Also, this statement is incorrect. Oil is fed...

Also, this statement is incorrect. Oil is fed from the oil pump to the outside of the filter. The path of filtered oil, which is the center of the filter, does not drain back. Unless oil can go...
Forum: RV Ongoing Maintenance Issues 03-22-2021, 01:53 PM
Replies: 26
Views: 1,925
Posted By rocketbob
Often I find crud outside of the filter and...

Often I find crud outside of the filter and laying inside the can. Last year I did 24 annuals on certificated aircraft so I check filters 30-40 times a year. If you study an accessory case the...
Forum: RV Ongoing Maintenance Issues 03-20-2021, 05:23 PM
Replies: 26
Views: 1,925
Posted By rocketbob
Doing this will cause shavings and whatever loose...

Doing this will cause shavings and whatever loose junk is in the filter to work their way back down into the oil pump.
Forum: Traditional Aircraft Engines 03-19-2021, 08:19 AM
Replies: 5
Views: 557
Posted By rocketbob
I've always thought a reamer is the wrong tool...

I've always thought a reamer is the wrong tool for this particular job....never had any subsequent guide issues once cleaned up with a ball hone. Its also a heck of a lot easier to set up and get...
Forum: Tools 03-18-2021, 08:52 AM
Replies: 27
Views: 1,523
Posted By rocketbob
The little inverter machines are great especially...

The little inverter machines are great especially on aluminum but don't have the duty cycle specs of larger machines. Which is probably not much of a problem for the hobbyist. I have an older...
Forum: Traditional Aircraft Engines 03-15-2021, 12:13 PM
Replies: 227
Views: 46,838
Posted By rocketbob
I have heard the proposed AMOC is a grind to...

I have heard the proposed AMOC is a grind to 0.010" over which would make it a one-time use crank and unoverhaulable in the future. I just put an XP back together with a new Lycoming crank.
Forum: RV General Discussion/News 03-15-2021, 12:02 PM
Replies: 12
Views: 1,575
Posted By rocketbob
I store clecos in my gun safe, along with my...

I store clecos in my gun safe, along with my ammo. No you can't have any.
Forum: RV-14 03-13-2021, 06:23 PM
Replies: 5
Views: 699
Posted By rocketbob
Alternator fail light circuits are designed for a...

Alternator fail light circuits are designed for a low impedance load such as an incandescent light bulb. You will likely have to add a resistor to ground to get the indication to work properly.
Forum: Places To Fly...Things to See...Things to Eat 03-13-2021, 12:40 PM
Replies: 3
Views: 435
Posted By rocketbob
A good friend of mine has a condo there. Very...

A good friend of mine has a condo there. Very relaxing. Nice country club.
Forum: RV Ongoing Maintenance Issues 03-03-2021, 01:50 PM
Replies: 8
Views: 435
Posted By rocketbob
Yes I am suggesting exactly that. Its easily...

Yes I am suggesting exactly that. Its easily done wrong and not something I would teach over an internet forum. Its best to learn from experience with this directly working with an A&P.
Forum: Traditional Aircraft Engines 03-03-2021, 12:18 PM
Replies: 227
Views: 46,838
Posted By rocketbob
Talked to a knowledgeable crankcase guy and he...

Talked to a knowledgeable crankcase guy and he said the hi-crush bearings used in the XP engines are better than the doweled bearings. So no issue there.
Forum: RV Ongoing Maintenance Issues 03-03-2021, 10:35 AM
Replies: 8
Views: 435
Posted By rocketbob
No offense but it really sounds like you still...

No offense but it really sounds like you still need an A&P to help you.
Forum: Traditional Aircraft Engines 03-03-2021, 05:48 AM
Replies: 227
Views: 46,838
Posted By rocketbob
Over the weekend I opened an XP-360 up for crank...

Over the weekend I opened an XP-360 up for crank swap.

1. Found bearings are not doweled.
2. Thru studs are not doweled.
3. Brand new engine from Superior had ECI rods in it.

Thinking about...
Forum: RV General Discussion/News 02-24-2021, 08:39 AM
Replies: 26
Views: 1,372
Posted By rocketbob
Myflightbook.com will back up your logbook to an...

Myflightbook.com will back up your logbook to an excel file nightly to your preferred cloud drive provider and all your endorsements are included in image files. Once every few months I back those...
Forum: RV General Discussion/News 02-24-2021, 07:40 AM
Replies: 26
Views: 1,372
Posted By rocketbob
I use myflightbook.com and also have my students...

I use myflightbook.com and also have my students use it. Its very good especially for getting reports on ratings progress.
Forum: Glass Cockpit 02-23-2021, 05:49 PM
Replies: 17
Views: 1,466
Posted By rocketbob
My $.02. I would get a Mini with the...

My $.02.

I would get a Mini with the magnetometer, backup battery and database options and have it completely disconnected from the Garmin stuff for a true standalone backup system.
Forum: Reviews 02-21-2021, 09:13 PM
Replies: 17
Views: 2,544
Posted By rocketbob
On the Porsche M96 engines as injectors age they...

On the Porsche M96 engines as injectors age they leak down at shutdown. The fuel dribbles down into the bottoms of the cylinders which dilutes the oil and causes bore scoring.
Forum: RV-9/9A 02-19-2021, 07:16 PM
Replies: 7
Views: 861
Posted By rocketbob
ACS specifies the applicant demonstrates power-on...

ACS specifies the applicant demonstrates power-on stalls no less than 65% power. So you do not need to be at full power to demonstrate power-on stalls. You will have to communicate this with the...
Forum: RV Ongoing Maintenance Issues 02-19-2021, 07:10 PM
Replies: 18
Views: 1,581
Posted By rocketbob
There is no mystery here. It works or it...

There is no mystery here. It works or it doesn't.

Verify snap of impulse coupling on TDC #1 by looking thru top plug hole at piston with flashlight. Then check flywheel marks. Back off 35 deg or...
Forum: Electrical Systems 02-18-2021, 12:27 PM
Replies: 44
Views: 5,178
Posted By rocketbob
Nearest boat place to me is 30mi away. IMO...

Nearest boat place to me is 30mi away.

IMO ANL's are not worth having and can be easily replaced with a proper fabricated fusible link. Last year I replaced an alternator cable on an RV that was...
Forum: Electrical Systems 02-18-2021, 09:06 AM
Replies: 44
Views: 5,178
Posted By rocketbob
I think it would be better to fabricate a fusible...

I think it would be better to fabricate a fusible link rather than an ANL as the likelihood of finding an ANL fuse on a X/C trip would be slim to none unless you are carrying a spare.
Forum: RV General Discussion/News 02-18-2021, 07:59 AM
Replies: 17
Views: 2,057
Posted By rocketbob
Old mowers do well as tugs. I put a ball on my...

Old mowers do well as tugs. I put a ball on my zero-turn and that works well as a tug. Plus I still mow with it.

I also have an electric John Deere E-gator I bought dead for $300. New batteries...
Forum: RV-7/7A 02-15-2021, 07:44 AM
Replies: 38
Views: 9,471
Posted By rocketbob
Friend of mine has a VOR/ILS antenna made out of...

Friend of mine has a VOR/ILS antenna made out of a BNC bulkhead fitting and a piece of welding wire soldered onto it, installed in the wingtip. Total installed cost under $1.00. I did most of my IFR...
Forum: RV General Discussion/News 02-12-2021, 08:36 AM
Replies: 12
Views: 4,672
Posted By rocketbob
https://goo.gl/photos/J2LYRKMfiTbY7iAe6 Not in...

https://goo.gl/photos/J2LYRKMfiTbY7iAe6

Not in the pics but I turned a piece of copper slug the same width as the gearleg, stuck that in the sockets, clamped, and TIG welded the cracks. Then...
Forum: Traditional Aircraft Engines 02-11-2021, 10:59 AM
Replies: 227
Views: 46,838
Posted By rocketbob
1. Cranks can be ground undersize in different...

1. Cranks can be ground undersize in different journal diameters for overhaul. The smallest diameter permissible is the strength limit.
2. So you can overhaul them in the future.
3. Yes, by...
Forum: RV General Discussion/News 02-10-2021, 08:01 AM
Replies: 4
Views: 1,451
Posted By rocketbob
Is the tire replaceable?

Is the tire replaceable?
Forum: RV General Discussion/News 02-08-2021, 08:43 AM
Replies: 21
Views: 3,249
Posted By rocketbob
I'm always surprised at how people don't know how...

I'm always surprised at how people don't know how stuff works in this country. The way you go about ensuring your interests at a public airport is to make a modest political donation to the elected...
Forum: Traditional Aircraft Engines 02-07-2021, 08:56 AM
Replies: 2
Views: 389
Posted By rocketbob
As I recall the ECI oversized studs I used on a...

As I recall the ECI oversized studs I used on a OH had the oversize stamped on the ends of the studs. P1, P3, P5 etc.
Forum: RV General Discussion/News 01-27-2021, 07:48 AM
Replies: 11
Views: 1,110
Posted By rocketbob
You can build one using a Carter P5000 and a...

You can build one using a Carter P5000 and a 25psi bypass valve.
Forum: RV General Discussion/News 01-21-2021, 10:34 PM
Replies: 18
Views: 2,302
Posted By rocketbob
A few years back I was bored in a hotel on a work...

A few years back I was bored in a hotel on a work trip and wanted to learn how to use...
Forum: Painting your RV 01-20-2021, 08:48 AM
Replies: 14
Views: 1,707
Posted By rocketbob
I would if they had a darker color. :)

I would if they had a darker color. :)
Forum: Safety 01-13-2021, 06:01 AM
Replies: 12
Views: 3,646
Posted By rocketbob
Nobody mentioned spray foam. lol

Nobody mentioned spray foam. lol
Forum: RV Ongoing Maintenance Issues 01-08-2021, 01:23 PM
Replies: 38
Views: 4,538
Posted By rocketbob
I don't see that happening on a 1515 as the plate...

I don't see that happening on a 1515 as the plate is pretty stout.

BTW Alex I was just in Wadena a few weeks ago.
Forum: RV Ongoing Maintenance Issues 01-08-2021, 10:10 AM
Replies: 38
Views: 4,538
Posted By rocketbob
Any blockage whether it was downstream, the...

Any blockage whether it was downstream, the filter blocked, check valve not functioning, etc. would have made the filter can expand which doesnt appear to be the case from the limited view of the...
Forum: Electrical Systems 01-08-2021, 09:09 AM
Replies: 22
Views: 2,187
Posted By rocketbob
Not an assortment but reasonably...

Not an assortment but reasonably priced.

https://www.ferrulesdirect.com/collections/ring-terminals/products/rnyds1-37

Double crimp with nylon, just like Amp PIDG but a lot less expensive. ...
Forum: RV Ongoing Maintenance Issues 01-08-2021, 06:22 AM
Replies: 38
Views: 4,538
Posted By rocketbob
What I thought also. I always use DC4 and am...

What I thought also.

I always use DC4 and am careful not to overtorque.
Forum: Safety 01-07-2021, 07:59 AM
Replies: 12
Views: 3,646
Posted By rocketbob
https://www.youtube.com/watch?v=yvP_0dRSKKs

https://www.youtube.com/watch?v=yvP_0dRSKKs
Forum: Safety 01-07-2021, 07:18 AM
Replies: 12
Views: 3,646
Posted By rocketbob
It is too broad of a statement to say "don't use...

It is too broad of a statement to say "don't use foam insulation." There are quite a few neoprene products available that neither absorb moisture nor rapidly propagate fires. Simple enough to test...
Forum: Traditional Aircraft Engines 01-06-2021, 08:13 AM
Replies: 11
Views: 1,583
Posted By rocketbob
Not any more. New 540 cams are $900 and change.

Not any more. New 540 cams are $900 and change.
Forum: RV Ongoing Maintenance Issues 01-05-2021, 09:21 PM
Replies: 32
Views: 3,993
Posted By rocketbob
https://www.aircraftspruce.com/catalog/eppages/cha...

https://www.aircraftspruce.com/catalog/eppages/challengerLifetime.php

Don't need no stinkin cutter tools with these. Really like these filters.
Forum: Traditional Aircraft Engines 01-05-2021, 04:17 PM
Replies: 11
Views: 1,583
Posted By rocketbob
Also if a reground cam is used, the price...

Also if a reground cam is used, the price difference between a new and used cam will be offset by the need to buy longer pushrods to get proper dry tappet clearance.

The newer DLC coated tappets...
Forum: Traditional Aircraft Engines 01-05-2021, 03:06 PM
Replies: 11
Views: 1,583
Posted By rocketbob
Brand new SL-18840 camshaft is $673.29 from...

Brand new SL-18840 camshaft is $673.29 from AirPower. Not worth the price difference to buy used.
Forum: Glass Cockpit 01-04-2021, 05:54 PM
Replies: 9
Views: 1,001
Posted By rocketbob
I removed a WX-10A system from my Comanche and...

I removed a WX-10A system from my Comanche and I'll bet the system with antenna and cables weighed every bit of 20lbs, maybe more.
Forum: ADS-B 01-02-2021, 10:21 AM
Replies: 12
Views: 1,538
Posted By rocketbob
I've done three ESG installs and three Tailbeacon...

I've done three ESG installs and three Tailbeacon installs in 2020. In every case we flew in rule airspace above class C airspace. No failed PAPR reports.
Forum: ADS-B 01-02-2021, 09:39 AM
Replies: 12
Views: 1,538
Posted By rocketbob
https://adsbperformance.faa.gov/PAPRRequest.aspx ...

https://adsbperformance.faa.gov/PAPRRequest.aspx

"For best results, ADS-B validation flights should be conducted within published areas of FAA ADS-B Coverage. Flying near the surface or at the...
Forum: ADS-B 01-02-2021, 08:31 AM
Replies: 12
Views: 1,538
Posted By rocketbob
You have to be in rule airspace for 30 minutes. ...

You have to be in rule airspace for 30 minutes. That is your issue. Your PAPR says Rule: 00:00:00
Forum: RV-4 01-01-2021, 11:47 AM
Replies: 7
Views: 1,307
Posted By rocketbob
Troy Grover would know. He had the...

Troy Grover would know. He had the molds.

https://www.grov-air.com/
Forum: Propellers 12-31-2020, 01:29 PM
Replies: 10
Views: 1,806
Posted By rocketbob
Because they are balanced laterally as well as on...

Because they are balanced laterally as well as on the longitudinal axis of the propeller.
Forum: RV Ongoing Maintenance Issues 12-31-2020, 08:09 AM
Replies: 63
Views: 8,793
Posted By rocketbob
The current ratings are not real world without...

The current ratings are not real world without substantial heat sinking and proper PCB trace sizing. A typical electric golf cart controller that can do 400A will have 50 or so mosfets paralleled...
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