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Search: Posts Made By: rocketbob
Forum: VAF Classifieds (posts in here deleted after 30 days) 06-16-2018, 04:40 PM
Replies: 3
Views: 291
Posted By rocketbob
Radio does not need to be TSO'd to be installed...

Radio does not need to be TSO'd to be installed in certified aircraft. Many well-known radios commonly installed in certified aircraft are not TSOed.
Forum: Electrical Systems 06-15-2018, 01:47 PM
Replies: 4
Views: 318
Posted By rocketbob
Split techflex works great. I would never use...

Split techflex works great.

I would never use automotive tape wrap. Not designed for repairs of changes along the way.
Forum: Traditional Aircraft Engines 06-08-2018, 07:35 PM
Replies: 22
Views: 2,228
Posted By rocketbob
I would replace them. By the time you get set up...

I would replace them. By the time you get set up to clean them you'll have as much in the equipment as a new set of pistons.

This said I have a 5-gallon stainless heated ultrasonic tank in which I...
Forum: RV General Discussion/News 06-01-2018, 06:43 AM
Replies: 6
Views: 1,726
Posted By rocketbob
Its a very congested area. Glad the pilot is ok...

Its a very congested area. Glad the pilot is ok and great job!
Forum: RV General Discussion/News 05-31-2018, 12:20 PM
Replies: 21
Views: 1,092
Posted By rocketbob
Curious why you made your own line vs. using the...

Curious why you made your own line vs. using the stock Lycoming part. Cost? Some of the reasons you mention are generally not of concern with the stock line.
Forum: RV General Discussion/News 05-15-2018, 10:55 AM
Replies: 61
Views: 5,757
Posted By rocketbob
ok, I'll bite...game on. Have you ever...

ok, I'll bite...game on.

Have you ever physically measured the amount of oil being returned from each cylinder?

I have. I removed oil return lines and slung plastic cups with zip ties and...
Forum: RV General Discussion/News 05-11-2018, 09:36 AM
Replies: 9
Views: 598
Posted By rocketbob
From AIM 5-4-20: "e. A visual approach is not...

From AIM 5-4-20:

"e. A visual approach is not an IAP and therefore has no missed approach segment. If a go around is necessary for any reason, aircraft operating at controlled airports will be...
Forum: RV General Discussion/News 05-11-2018, 08:57 AM
Replies: 9
Views: 598
Posted By rocketbob
A visual approach is not an instrument approach...

A visual approach is not an instrument approach procedure. There are no minimum altitudes and there's no missed approach point. All you're required to do is remain clear of clouds. However, you...
Forum: RV General Discussion/News 05-04-2018, 11:42 AM
Replies: 9
Views: 930
Posted By rocketbob
I'm curious if you guys who don't find the...

I'm curious if you guys who don't find the visibility acceptable have tried anti-glare screen protectors. I find they work great.
Forum: RV General Discussion/News 04-27-2018, 01:39 PM
Replies: 17
Views: 1,360
Posted By rocketbob
Correct. The FSDO assigns specifically who you...

Correct. The FSDO assigns specifically who you take a ride with, and basically the DPE can charge what he wants to. DPE's are observed by the FSDO guys and since there's big money involved (DPE's...
Forum: RV General Discussion/News 04-27-2018, 12:51 PM
Replies: 17
Views: 1,360
Posted By rocketbob
Around here he DPE's are magnitudes harder to do...

Around here he DPE's are magnitudes harder to do the CFI checkride with. Very low initial pass rate for the CFI with these guys. The FSDO inspectors are free and the ones I've dealt with have been...
Forum: RV General Discussion/News 04-27-2018, 12:29 PM
Replies: 17
Views: 1,360
Posted By rocketbob
The FSDO's have been instructed by DC to no...

The FSDO's have been instructed by DC to no longer do CFI checkrides and instead send the applicants to a DPE assigned to do the ride. Which is BS because its an expensive and exhaustive checkride...
Forum: RV General Discussion/News 04-27-2018, 09:18 AM
Replies: 17
Views: 1,360
Posted By rocketbob
DPE's may refuse to take checkrides in...

DPE's may refuse to take checkrides in experimentals. My go-to DPE is not comfortable doing instrument checkrides in glass panel RV's, due to differing buttonology and difficulty setting up...
Forum: RV General Discussion/News 04-26-2018, 09:20 AM
Replies: 291
Views: 96,029
Posted By rocketbob
As I mentioned it earlier in this thread the...

As I mentioned it earlier in this thread the difference between flashing and wig-wagging seems to be insignificant, yet to wigwag there is additional complexity and expense. In my opinion its not...
Forum: Traditional Aircraft Engines 04-16-2018, 10:55 AM
Replies: 17
Views: 1,637
Posted By rocketbob
I made up an adjustable pushrod I used to measure...

I made up an adjustable pushrod I used to measure the length. I use that measurement, and a correction factor I determined using a radius gage and some wire feelers. I can't remember the dimension...
Forum: RV General Discussion/News 04-11-2018, 01:23 PM
Replies: 22
Views: 5,161
Posted By rocketbob
Many certified aircraft have the same offset...

Many certified aircraft have the same offset stamped into the baffles.
Forum: RV General Discussion/News 04-09-2018, 06:50 PM
Replies: 5
Views: 561
Posted By rocketbob
This is an easy thing to make if you have a 3D...

This is an easy thing to make if you have a 3D printer. Its just a plastic piece and a digital level.

On a Lycoming its really not necessary to use but very handy on Continentals.
Forum: Traditional Aircraft Engines 04-06-2018, 05:27 PM
Replies: 43
Views: 3,504
Posted By rocketbob
What cracks me up about this Dan is you have...

What cracks me up about this Dan is you have looked in several Lycoming manuals and still don't have an answer. Lycoming documentation is awful. And, you have to check service letters in addition...
Forum: Trip Write-ups 04-06-2018, 02:40 PM
Replies: 25
Views: 4,823
Posted By rocketbob
been itching to fly there again

https://lh3.googleusercontent.com/LTUE_uRx0BfYrSHEwYfgtlZIIQ5gIn_ZLKBGi7tmyH8785G-xFUNsOhoooBTPldN2qGC_BDMPPX_ZHyQlJkAF1L-cPCynftT9hsPB9Fbbfu7kyTSmGtQGYPGt8VfnTzqmZre9ZrcE1FxHlHiQvhJDcSxi36eIo99qzZ6li...
Forum: RV General Discussion/News 04-06-2018, 01:03 PM
Replies: 291
Views: 96,029
Posted By rocketbob
Picky aren't we! :) With the short wingspan of...

Picky aren't we! :)

With the short wingspan of an RV flashing is good enough for me. Since you want to wig-wag you're getting above the $2.00 range. ;)
Forum: RV General Discussion/News 04-06-2018, 12:59 PM
Replies: 291
Views: 96,029
Posted By rocketbob
Affirmative. They will run cooler also.

Affirmative. They will run cooler also.
Forum: RV General Discussion/News 04-06-2018, 11:27 AM
Replies: 291
Views: 96,029
Posted By rocketbob
You can take these apart and put a different...

You can take these apart and put a different value of capacitor to adjust the flash rate to be slower. Its just a simple 555 timer...
Forum: Traditional Aircraft Engines 04-06-2018, 10:39 AM
Replies: 43
Views: 3,504
Posted By rocketbob
Bore dimensions dictate whether or not a bearing...

Bore dimensions dictate whether or not a bearing crushes to stay locked. Not whether or not a tool is used. If this were the case many non-aircraft boxer engines would have the same issue. Take...
Forum: RV General Discussion/News 04-06-2018, 10:30 AM
Replies: 291
Views: 96,029
Posted By rocketbob
They work fine wig-wagging with a solid-state...

They work fine wig-wagging with a solid-state (mosfet switching, no relay) EL13-A2. Last ones I got on ebay where a buck or two. I have a schematic somewhere.
Forum: Traditional Aircraft Engines 04-06-2018, 09:25 AM
Replies: 43
Views: 3,504
Posted By rocketbob
not all mains are doweled

H2AD...no dowel pins.

https://goo.gl/eUvdvj
Forum: Traditional Aircraft Engines 04-05-2018, 07:09 PM
Replies: 43
Views: 3,504
Posted By rocketbob
I never use torque plates or stacks of washers. ...

I never use torque plates or stacks of washers. I put the case halves together, torque the perimeter bolts, put the cylinders on, and torque the thru bolts with the cylinders together. There's just...
Forum: My RV Build Project 04-04-2018, 06:39 PM
Replies: 57
Views: 26,577
Posted By rocketbob
I suggest re-orienting the mags so that the vents...

I suggest re-orienting the mags so that the vents are as close to bottom as possible. When the mags are oriented sideways as yours are, oil can accumulate since it can't drain from the lowest point....
Forum: RV General Discussion/News 04-04-2018, 02:20 PM
Replies: 61
Views: 5,757
Posted By rocketbob
another option

The Baldwin B2-HPG is a another filter I would strongly consider over an aircraft filter. It has a 8 micron nominal rating which is very good. I have not tried one, but have used their bypass...
Forum: RV General Discussion/News 04-04-2018, 10:47 AM
Replies: 61
Views: 5,757
Posted By rocketbob
The Wix number for the 1515 is 51515. $3.78 on...

The Wix number for the 1515 is 51515. $3.78 on rockauto.com. The 1515 is the Napa-branded Wix filter. Same exact filter.

Napa Gold 1515 is rated 21 microns.

FAA approved filters are rated 40...
Forum: RV General Discussion/News 04-04-2018, 08:18 AM
Replies: 61
Views: 5,757
Posted By rocketbob
I have a friend that owns a Napa store and I get...

I have a friend that owns a Napa store and I get them by the case at a pretty steep discount. Less than $3.00/ea.

Its not about cost savings, although thats a nice side benefit. I am standardized...
Forum: RV General Discussion/News 04-03-2018, 08:09 PM
Replies: 61
Views: 5,757
Posted By rocketbob
You just dont get it dude.

You just dont get it dude.
Forum: RV General Discussion/News 04-03-2018, 07:23 PM
Replies: 291
Views: 96,029
Posted By rocketbob
There's virtually no drawback to installing as...

There's virtually no drawback to installing as many as you can fit. They are melt-your-face bright in multiples.
Forum: RV General Discussion/News 04-03-2018, 02:40 PM
Replies: 61
Views: 5,757
Posted By rocketbob
The STCed Challenger filter has K&P Engineering...

The STCed Challenger filter has K&P Engineering laser etched on it.

Napa Gold 1515 - 2001 Ford Explorer. So that is the vehicle you could ask for if you call them.

You want the housing with the...
Forum: RV General Discussion/News 04-03-2018, 12:16 PM
Replies: 61
Views: 5,757
Posted By rocketbob
Wix manufactures the Napa Gold filters, so not...

Wix manufactures the Napa Gold filters, so not that I'm aware of.

FWIW I ought to mention that I have have some of my certified customers using the Challenger cleanable oil filters. They are made...
Forum: RV General Discussion/News 04-03-2018, 06:53 AM
Replies: 61
Views: 5,757
Posted By rocketbob
I bought one of the HP1002 filters to try. I...

I bought one of the HP1002 filters to try. I venture to guess it has about 1/4 the pleated media area of the 1515. Very small in comparison and unless physical room is an issue, there's no reason...
Forum: RV General Discussion/News 04-02-2018, 01:49 PM
Replies: 61
Views: 5,757
Posted By rocketbob
Safety wiring oil filters is one of aviation's...

Safety wiring oil filters is one of aviation's greatest mysteries to me.

One other, is safety wiring NPT thread plugs.

In either case, if they're appropriately torqued they will never spin off. ...
Forum: RV General Discussion/News 04-02-2018, 12:45 PM
Replies: 61
Views: 5,757
Posted By rocketbob
Yes, just like it is on your car. I double nut...

Yes, just like it is on your car.

I double nut an old Champion or Tempest filter and remove the nipple from a discarded filter. If they are stubborn I'll just cut apart the base of the filter. I...
Forum: RV General Discussion/News 04-02-2018, 11:53 AM
Replies: 61
Views: 5,757
Posted By rocketbob
Jim Winings and myself were the original RV guys...

Jim Winings and myself were the original RV guys that discovered the 1515 filter for use on a Lycoming. We studied all the specs and features, did our own tests, and spread the word after a few...
Forum: RV General Discussion/News 04-02-2018, 08:08 AM
Replies: 291
Views: 96,029
Posted By rocketbob
Desolder the springs and solder the wires to the...

Desolder the springs and solder the wires to the PCB where the springs were soldered. It takes a fair amount of heat to do.
Forum: RV General Discussion/News 03-31-2018, 04:35 PM
Replies: 291
Views: 96,029
Posted By rocketbob
You buy the DC-DC converters from Amazon. You'll...

You buy the DC-DC converters from Amazon. You'll need to do some soldering. On the -7 you just heat shrink the DC-DC converter board and tape it inside the wingtip with duct tape.
Forum: RV General Discussion/News 03-31-2018, 04:31 PM
Replies: 291
Views: 96,029
Posted By rocketbob
They'll get here, eventually.

They'll get here, eventually.
Forum: Autopilots 03-29-2018, 05:08 AM
Replies: 14
Views: 1,385
Posted By rocketbob
https://www.crystalfontz.com/product/cfag12232dyyh...

https://www.crystalfontz.com/product/cfag12232dyyhva-transflective-graphic-lcd-122x32

Backlight has to be wired differently.
Forum: Autopilots 03-27-2018, 02:10 PM
Replies: 14
Views: 1,385
Posted By rocketbob
I've transplanted a new LCD into a digiflight...

I've transplanted a new LCD into a digiflight with the help of some data Lucas provided me. Cost to repair was $16.00 and some time. I believe they wanted $750 to rebuild the unit.
Forum: RV General Discussion/News 03-25-2018, 06:40 AM
Replies: 15
Views: 1,454
Posted By rocketbob
keeping mine old school strobes

I've been in formation a number of times over the years with other RVs that had a mix of LED and traditional strobes.

In clear conditions, the LED's are not brighter. They are simply more visible...
Forum: Traditional Aircraft Engines 03-20-2018, 08:52 AM
Replies: 12
Views: 1,310
Posted By rocketbob
Not enough development has occured with either...

Not enough development has occured with either the Ellison or the Rotec. Specifically the hole pattern and sizes of the holes in the spray bars are not correct for various throttle settings and...
Forum: RV Friends Who Have Passed On 03-19-2018, 06:56 AM
Replies: 26
Views: 4,796
Posted By rocketbob
Well storage is cheap nowadays and I can write...

Well storage is cheap nowadays and I can write hundreds of stories about him.

It seems like yesterday that we were celebrating his 70th birthday. On that day back in 2000? or so a bunch of the...
Forum: RV Friends Who Have Passed On 03-18-2018, 08:20 AM
Replies: 26
Views: 4,796
Posted By rocketbob
There were countless things that Jim improved...

There were countless things that Jim improved with small thoughtful changes most people would never consider. Take for example, seat belts:

https://goo.gl/jFbHi7

He put a small piece of velcro...
Forum: RV Friends Who Have Passed On 03-16-2018, 06:57 AM
Replies: 26
Views: 4,796
Posted By rocketbob
I flew with Jim last Sunday evening. He came to...

I flew with Jim last Sunday evening. He came to pick me up to move an airplane to my shop for an annual. Most times that we flew together he, in typical Jim fashion, always offered the front seat...
Forum: RV General Discussion/News 03-09-2018, 07:25 AM
Replies: 36
Views: 5,308
Posted By rocketbob
Not so. One can pick up an H2AD cores for $2K. ...

Not so. One can pick up an H2AD cores for $2K. It just takes a different mount that Van's still sells (I believe.) I just overhauled one last week and I absolutely love those engines. There are...
Forum: RV General Discussion/News 03-09-2018, 06:48 AM
Replies: 13
Views: 1,603
Posted By rocketbob
I have a small dental oven retrofitted with a PID...

I have a small dental oven retrofitted with a PID controller I use for solution treating rivets. I just make a simple "raft" out of aluminum foil to contain the rivets. Solution treat them at 930...
Forum: RV General Discussion/News 03-08-2018, 09:03 AM
Replies: 23
Views: 1,931
Posted By rocketbob
Had the same issue on my rocket. Cut apart the...

Had the same issue on my rocket. Cut apart the front stick weldment, moved it back 2-1/2", TIG welded it back together. Done. No bent stick necessary.
Forum: RV General Discussion/News 03-07-2018, 12:18 PM
Replies: 291
Views: 96,029
Posted By rocketbob
The 4500K are more like natural light. In the -6...

The 4500K are more like natural light. In the -6 I have 6500K LEDs. I prefer the 4500K lights. I'd bet though that the 6500K LEDs are probably more visible to other aircraft.

At 10.3V the lights...
Forum: Steam Gauges 03-07-2018, 11:50 AM
Replies: 4
Views: 537
Posted By rocketbob
I've taken instruments apart to clean the fogged...

I've taken instruments apart to clean the fogged up glass and never had issues afterward.
Forum: RV General Discussion/News 03-07-2018, 11:40 AM
Replies: 291
Views: 96,029
Posted By rocketbob
It will work fine with a wigwag as long as the...

It will work fine with a wigwag as long as the wigwag circuit is a solid state circuit and not a bulb flashing circuit.
Forum: RV General Discussion/News 03-06-2018, 11:13 AM
Replies: 291
Views: 96,029
Posted By rocketbob
Two years ago I put a pair of Baja Design PAR36...

Two years ago I put a pair of Baja Design PAR36 "bulbs" in my C150 and find them just slightly better than incandescents. For the money spent I don't think they're worth it.

For the last few years...
Forum: RV-9/9A 02-20-2018, 07:28 AM
Replies: 14
Views: 939
Posted By rocketbob
I fly a friend's 160hp RV-9A with a 3-blade MT...

I fly a friend's 160hp RV-9A with a 3-blade MT fairly often.

It is electric motor smooth.

I recently took it to a paint shop about 4 hours away, with a friend who dropped me off and I followed back...
Forum: RV General Discussion/News 01-05-2018, 07:55 AM
Replies: 11
Views: 969
Posted By rocketbob
The NL uses a series-wound motor. Other Skytec...

The NL uses a series-wound motor.
Other Skytec starters, and the B&C, use a permanent magnet motor.

The series-wound motor is FAR superior. Less inrush and steady-state current draw and more...
Forum: Tools 12-29-2017, 09:24 AM
Replies: 22
Views: 3,117
Posted By rocketbob
The old SEM DC servos use encoders with an...

The old SEM DC servos use encoders with an incandescent bulb and they're difficult to align when replacing the bulb. I've replaced them with magnetic encoders, used the existing supplies and a...
Forum: Tools 12-29-2017, 06:18 AM
Replies: 22
Views: 3,117
Posted By rocketbob
Scott, I would think twice before ripping the old...

Scott, I would think twice before ripping the old controls out, or at least keep the servo drives and the VFD's. VFD's work by converting AC into DC then back to AC, so most can be ran off single...
Forum: Electrical Systems 10-26-2017, 07:59 AM
Replies: 24
Views: 2,411
Posted By rocketbob
The terminals are plated steel on the Gruber...

The terminals are plated steel on the Gruber batteries. You could probably lift the airplane with one of the terminals if the battery is strapped down well.
Forum: Electrical Systems 10-26-2017, 07:12 AM
Replies: 24
Views: 2,411
Posted By rocketbob
http://www.gruberpower.com/12-volt-18-amp-hour-ah-...

http://www.gruberpower.com/12-volt-18-amp-hour-ah-battery

I have these flying in a few airplanes I maintain and they have been flawless. Better performing than the PC680's they replaced.
Forum: RV-10 10-06-2017, 10:28 AM
Replies: 11
Views: 1,523
Posted By rocketbob
Pressurize with compressed air and use a...

Pressurize with compressed air and use a mechanic's stethoscope to look for the leaks. Works well.
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