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Search: Posts Made By: rocketbob
Forum: Electronic Ignition Systems 09-21-2018, 11:17 AM
Replies: 19
Views: 1,033
Posted By rocketbob
Disconnect the p-lead from the mag, and try to...

Disconnect the p-lead from the mag, and try to start it on the mag only. That way you can 100% eliminate the switch.
Forum: Electronic Ignition Systems 09-21-2018, 07:13 AM
Replies: 16
Views: 496
Posted By rocketbob
Good to hear. Aircraft radios generally have an...

Good to hear.

Aircraft radios generally have an amplifier gain circuit that turns up the gain on weaker transmissions (usually 100+ miles away) and you will hear more noise in those cases. ...
Forum: Electronic Ignition Systems 09-18-2018, 02:35 PM
Replies: 16
Views: 496
Posted By rocketbob
I've tried the 386's in the past and found them...

I've tried the 386's in the past and found them to be too hot. Would get dieseling on shutdown, electrodes would wear relatively quickly, and would get occasional misses. You can certainly try them...
Forum: Painting your RV 09-18-2018, 11:19 AM
Replies: 22
Views: 1,897
Posted By rocketbob
I use the same sort of finishing washers on...

I use the same sort of finishing washers on fiberglass and run them thru #6 or #8 dimple dies. Think I got them from McMaster.
Forum: Safety 09-18-2018, 07:10 AM
Replies: 68
Views: 16,440
Posted By rocketbob
Mike, are you going to make the design of the Gen...

Mike, are you going to make the design of the Gen 2 version available on github?
Forum: Electronic Ignition Systems 09-17-2018, 05:01 PM
Replies: 16
Views: 496
Posted By rocketbob
My experience has been that the noise will be...

My experience has been that the noise will be reduced and be acceptable, but not completely eliminated. I'd like to get a spool of Magnecor wire to try.
Forum: Electronic Ignition Systems 09-17-2018, 04:08 PM
Replies: 16
Views: 496
Posted By rocketbob
NGK BR9ES and adapters.

NGK BR9ES and adapters.
Forum: Painting your RV 09-17-2018, 02:14 PM
Replies: 22
Views: 1,897
Posted By rocketbob
Easy. Before painting you remove the tank...

Easy.

Before painting you remove the tank screws. Take a few screws and cut the head OD down a bit to hold the tanks in place for painting, and screw them in. Paint the wings. After paint, remove...
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-17-2018, 09:16 AM
Replies: 2
Views: 526
Posted By rocketbob
Tanks have been sold.

Tanks have been sold.
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-17-2018, 07:42 AM
Replies: 2
Views: 385
Posted By rocketbob
FS: 3x rivet gun

https://photos.app.goo.gl/Y1gwjmm8tn2KAjua9

I believe its a Chicago pneumatic. $80 shipped.

email me (no PMs please) rocketbob@gmail.com.
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-17-2018, 07:38 AM
Replies: 2
Views: 385
Posted By rocketbob
FS: 2x rivet gun

https://photos.app.goo.gl/HdiDQB7RdfSfyKRy6

$60 shipped (USA).

email me (no PMs please) rocketbob@gmail.com.
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-17-2018, 07:33 AM
Replies: 2
Views: 385
Posted By rocketbob
FS: jiffy 2700 air drill, rivet guns

https://photos.app.goo.gl/ZSrq4mXrN6x5xMd19

Nicely operating Boeing surplus drill.

$45.00 shipped (USA).

email me (no PMs please) rocketbob@gmail.com.
Forum: VAF Classifieds (posts in here deleted after 30 days) 09-17-2018, 07:29 AM
Replies: 2
Views: 526
Posted By rocketbob
FS: Johanson tip tanks

https://photos.app.goo.gl/9Rq8M6LicdQfsXwc7

9.2 gal per tip. Untouched.

$1750

email me (no PMs please) rocketbob@gmail.com.
Forum: RV General Discussion/News 09-14-2018, 06:39 PM
Replies: 11
Views: 647
Posted By rocketbob
I put one in the RV-6 about five years ago, and...

I put one in the RV-6 about five years ago, and over almost 500 hours it never gave a false indication or misbehaved.
Forum: Electronic Ignition Systems 09-12-2018, 01:33 PM
Replies: 16
Views: 496
Posted By rocketbob
I was referring to the bottom comment in the link...

I was referring to the bottom comment in the link where the guy switched to magnecor racing wires which he claims totally solved his noise problem.

Lightspeed ignitions are CDI and don't have near...
Forum: Electronic Ignition Systems 09-12-2018, 12:36 PM
Replies: 16
Views: 496
Posted By rocketbob
https://www.eham.net/ehamforum/smf/index.php?topic...

https://www.eham.net/ehamforum/smf/index.php?topic=56385.5;wap2

Worth a try.
Forum: RV General Discussion/News 09-08-2018, 08:44 AM
Replies: 10
Views: 738
Posted By rocketbob
The newer camlocks are easier to insert the...

The newer camlocks are easier to insert the latches into. I opened mine up and cut down the springs slightly to make them work the same.
Forum: RV General Discussion/News 09-06-2018, 08:23 AM
Replies: 24
Views: 1,362
Posted By rocketbob
Read the Gleim book chapter introductions, then...

Read the Gleim book chapter introductions, then do Sheppard Air. I scored over 90% on all writtens I've taken using these methods, and most were done in short timeframes, week to two weeks start to...
Forum: RV-10 09-06-2018, 08:15 AM
Replies: 11
Views: 779
Posted By rocketbob
Ideally the diode should be as close to the...

Ideally the diode should be as close to the master solenoid as possible. In this case that's not practical so installing it on the switch will work fine.
Forum: RV-10 09-05-2018, 09:30 AM
Replies: 11
Views: 779
Posted By rocketbob
This is not correct. The internal solenoid is...

This is not correct. The internal solenoid is just another solenoid, with the same current requirements as an external one. They work fine with normal pushbutton switches. Instead of the jumper on...
Forum: RV-10 09-05-2018, 08:55 AM
Replies: 11
Views: 779
Posted By rocketbob
To add to Dan's comment. There is a significant...

To add to Dan's comment. There is a significant voltage drop across a normally operating external solenoid which degrades performance.

At some point someone decided this was better than common...
Forum: RV General Discussion/News 09-04-2018, 07:07 PM
Replies: 57
Views: 7,802
Posted By rocketbob
For some reason we still have gascolators. Why? ...

For some reason we still have gascolators. Why? Because reasons! That's the way its always been!

Would you ever drink a coke by skimming the top of the cup with a straw? That's how a gascolator...
Forum: Rocket 09-01-2018, 09:13 PM
Replies: 30
Views: 3,679
Posted By rocketbob
At RV speeds a rocket will burn less fuel. Jim...

At RV speeds a rocket will burn less fuel. Jim Winings and I used to fly a lot of cross country trips together. When we would stop and fill up he'd always be a few tenths of a gallon less than I...
Forum: Traditional Aircraft Engines 08-31-2018, 05:37 PM
Replies: 13
Views: 1,147
Posted By rocketbob
Lean. Its backfiring because there's unburnt...

Lean. Its backfiring because there's unburnt fuel in the exhaust. You want a 50 rpm rise like a carb when you pull the mixture.
Forum: RV-10 08-30-2018, 11:55 AM
Replies: 34
Views: 2,930
Posted By rocketbob
About two months ago a good friend of mine had a...

About two months ago a good friend of mine had a major problem with an engine just purchased from one of the boutique shops mentioned in this thread. I was involved in troubleshooting and noticed a...
Forum: Traditional Aircraft Engines 08-23-2018, 12:49 PM
Replies: 49
Views: 3,501
Posted By rocketbob
Bingo. Too much fuel. Carb has wrong jet. ...

Bingo. Too much fuel. Carb has wrong jet. What's the part number of the carb?
Forum: Traditional Aircraft Engines 08-23-2018, 11:59 AM
Replies: 49
Views: 3,501
Posted By rocketbob
When it stumbles lean the mixture. If it quits...

When it stumbles lean the mixture. If it quits with very little mixture pulling then you're not getting enough fuel. Check that and report back.

Other than than not getting enough fuel then it is...
Forum: Traditional Aircraft Engines 08-23-2018, 08:43 AM
Replies: 49
Views: 3,501
Posted By rocketbob
Ok. What is the fuel flow when the stumble...

Ok. What is the fuel flow when the stumble occurs?
Forum: Traditional Aircraft Engines 08-23-2018, 08:12 AM
Replies: 49
Views: 3,501
Posted By rocketbob
Is this a new, yet to fly RV being built?

Is this a new, yet to fly RV being built?
Forum: RV General Discussion/News 08-16-2018, 11:28 AM
Replies: 5
Views: 619
Posted By rocketbob
I don't know but I probably spent less than 30...

I don't know but I probably spent less than 30 seconds heating the sample part initially. Just a takes few seconds gets the powder to melt on subsequent applications of powder and heat.
Forum: RV General Discussion/News 08-16-2018, 08:18 AM
Replies: 5
Views: 619
Posted By rocketbob
Micro-scale powder coating

I'm a big fan of powder coating small parts, but it becomes a huge PITA when doing one-off individual parts of different colors.

So I decided to try using a small airbrush-type sandblast gun I have,...
Forum: Fuel Injection Systems 08-15-2018, 07:13 AM
Replies: 6
Views: 578
Posted By rocketbob
Unless the diaphragm is torn or if the rubber has...

Unless the diaphragm is torn or if the rubber has gotten hard or stretched, I would not suspect the diaphragm. Otherwise they are easy to replace and at least you can eliminate it when...
Forum: Fiberglass 08-10-2018, 11:50 AM
Replies: 11
Views: 1,214
Posted By rocketbob
I've been using Shell DPL 862 for years and pump...

I've been using Shell DPL 862 for years and pump it out of a metal can. When it crystallizes I just put the can on a hot plate set on low for an hour or so and that takes care of it. In colder...
Forum: Traditional Aircraft Engines 08-10-2018, 07:56 AM
Replies: 23
Views: 2,177
Posted By rocketbob
The TBI will become heat soaked quickly...

The TBI will become heat soaked quickly regardless of ambient temps unless a FR4 or similar material spacer is used between the unit and the sump. I fabricated mine out of 0.250" thick FR4. Once I...
Forum: Propellers 08-09-2018, 06:36 AM
Replies: 4
Views: 629
Posted By rocketbob
What I thought when I talked to them at Oshkosh. ...

What I thought when I talked to them at Oshkosh. I imagine the number of serviceable McCauley hubs laying around that would fit the Lycoming prop flange is limited.

Using the Hartzell hub is what...
Forum: Rocket 08-05-2018, 02:05 PM
Replies: 9
Views: 785
Posted By rocketbob
A good friend of mine built a HR2 in the early...

A good friend of mine built a HR2 in the early 90's. It has standard RV-4 wings and a a center section was fabricated with longer splice plates and a stub spar the middle. Never had issues. The...
Forum: Glass Cockpit 08-02-2018, 05:22 AM
Replies: 11
Views: 1,167
Posted By rocketbob
I have WingX also. I haven't found a way to show...

I have WingX also. I haven't found a way to show an approach plate full screen. Haven't found anything to be easier or work better than FlyQ.
Forum: Glass Cockpit 08-01-2018, 04:39 PM
Replies: 11
Views: 1,167
Posted By rocketbob
I've been using FlyQ for a number of years. ...

I've been using FlyQ for a number of years. ForeFlight has many more features and is a bit more polished particularly flight planning but FlyQ works fine, even when in the soup. I don't need most...
Forum: RV General Discussion/News 07-31-2018, 05:05 PM
Replies: 19
Views: 943
Posted By rocketbob
Just a warning but the depiction of the connector...

Just a warning but the depiction of the connector pins in the GDL-82 manual is backward when compared to the pinouts shown in other Garmin products such as the G5 and GMU-11. It is best to match the...
Forum: RV General Discussion/News 07-15-2018, 08:58 AM
Replies: 737
Views: 145,040
Posted By rocketbob
I've had good luck printing with Proto Pasta High...

I've had good luck printing with Proto Pasta High Temperature Polycarbonate-ABS Alloy.

Suggest laying up a layer of fiberglass inside for insurance.
Forum: RV Building Tips/Techniques 07-12-2018, 11:06 AM
Replies: 7
Views: 960
Posted By rocketbob
I used these to do some pitot/static plumbing for...

I used these to do some pitot/static plumbing for a dual G5 install. No...
Forum: Traditional Aircraft Engines 07-03-2018, 12:16 PM
Replies: 21
Views: 2,466
Posted By rocketbob
With the DA and high ambient temps in the midwest...

With the DA and high ambient temps in the midwest the last few weeks, 205 is a very acceptable oil temp.
Forum: Electrical Systems 06-29-2018, 06:33 AM
Replies: 20
Views: 2,204
Posted By rocketbob
This is the one I use. Its for a Kubota...

This is the one I use. Its for a Kubota tractor.

https://www.amazon.com/gp/product/B003V1BN60/ref=oh_aui_search_detailpage?ie=UTF8&psc=1&pldnSite=1
Forum: RV General Discussion/News 06-27-2018, 10:59 AM
Replies: 35
Views: 4,393
Posted By rocketbob
Continentals are slightly more difficult to...

Continentals are slightly more difficult to change cylinders on due to the pushrods being underneath and spring loaded (on larger displacement versions.) Other than that really no difference.

I...
Forum: RV General Discussion/News 06-27-2018, 07:09 AM
Replies: 35
Views: 4,393
Posted By rocketbob
I've replaced more cylinders than I can count,...

I've replaced more cylinders than I can count, not a single one ever had an issue afterwards. I would be more concerned about a maintenance error removing the entire engine than just a cylinder.

In...
Forum: Glass Cockpit 06-26-2018, 09:15 AM
Replies: 3
Views: 623
Posted By rocketbob
Garmin G5 CAN bus protocol

I recently did an upgrade installing two G5's, a GMU-11, and a Val avionics Nav 2000 which talks to the two G5's nicely via RS-232. Only problem is the lack of extra serial ports to hook up legacy...
Forum: Glass Cockpit 06-23-2018, 08:09 PM
Replies: 6
Views: 595
Posted By rocketbob
Altimeter syncs between dual G5's connected via...

Altimeter syncs between dual G5's connected via can bus. Can the AFS connect to the Garmin via can?
Forum: Electrical Systems 06-15-2018, 01:47 PM
Replies: 4
Views: 1,001
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: 2,936
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: 1,920
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: 1,498
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: 6,330
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: 865
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: 865
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: 1,141
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: 1,606
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: 1,606
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: 1,606
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: 1,606
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: 100,713
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: 1,971
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: 6,061
Posted By rocketbob
Many certified aircraft have the same offset...

Many certified aircraft have the same offset stamped into the baffles.
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