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Search: Posts Made By: gmcjetpilot
Forum: RV General Discussion/News 05-26-2020, 09:46 AM
Replies: 17
Views: 1,254
Posted By gmcjetpilot
You don't need a DAR to do this. This is straight...

You don't need a DAR to do this. This is straight forward (for Government). With a little research you can navigate the paper trail. First place is FAA web site.

Must...
Forum: RV General Discussion/News 05-25-2020, 09:57 AM
Replies: 26
Views: 1,403
Posted By gmcjetpilot
Yes it is thought it best to remove the heat muff...

Yes it is thought it best to remove the heat muff if you take off the feed air. Is a bad to leave it on? Let's think about it. :D

So normally that part of the pipe where the heat muff is cooler...
Forum: RV General Discussion/News 05-25-2020, 09:48 AM
Replies: 26
Views: 1,403
Posted By gmcjetpilot
Thank you Sir for the fast flight test and...

Thank you Sir for the fast flight test and report. Wow that is dramatic and more than I'd guess. How are the other jugs? Did they see an improvement? :D
Forum: RV General Discussion/News 05-24-2020, 11:06 AM
Replies: 36
Views: 3,062
Posted By gmcjetpilot
I have heard of this before. I was training...

I have heard of this before. I was training pilots on the B757/B767/B747-400 in the early 90's and there were still pilots transiting from steam gauges to glass. Some embraced it, some were...
Forum: RV General Discussion/News 05-24-2020, 09:59 AM
Replies: 63
Views: 2,359
Posted By gmcjetpilot
Good tip Snowflak. [edit] I found web page, links...

Good tip Snowflak. [edit] I found web page, links to DIY (Youtube) and parts? Parts as full kits are sold out, but looks like you can go ala carte.

Do you all recommend 8", 9.7" or 10.1"...... It...
Forum: RV General Discussion/News 05-23-2020, 09:42 AM
Replies: 63
Views: 2,359
Posted By gmcjetpilot
What Samsung Tablet is required and which one do...

What Samsung Tablet is required and which one do you all recommend. There is a crazy number of models.

The current crop in order: Tab A, Tab S5e, Tab 4 and Tab 6. What is min RAM and Storage. I...
Forum: RV General Discussion/News 05-23-2020, 08:22 AM
Replies: 26
Views: 1,403
Posted By gmcjetpilot
Yep that is what B17 crews did in WWII. They had...

Yep that is what B17 crews did in WWII. They had heated flight suits and boot liners, pluse insulated lined gloves and caps. http://www.303rdbg.com/uniforms-gear3.html

Delivering an RV-4 from...
Forum: RV General Discussion/News 05-22-2020, 09:42 AM
Replies: 26
Views: 1,403
Posted By gmcjetpilot
Hot Weather Remove (Temporarily) Cabin Heat & Does Cabin Heat Reduce Engine Cooling?

Envision the cabin heat system:
> High Pressure Air is removed from the high pressure side of the engine baffle
> Air routed to a heat muff wrapped around an exhaust pipe by flex hose
> Hot air out...
Forum: RV General Discussion/News 05-22-2020, 09:02 AM
Replies: 28
Views: 1,444
Posted By gmcjetpilot
Anyone semi-permanently mount the iPad in the...

Anyone semi-permanently mount the iPad in the panel? How is the off angle viewing?
Anyone use their iPad flight nave App as primary NAV?
Forum: RV General Discussion/News 05-22-2020, 08:58 AM
Replies: 63
Views: 2,359
Posted By gmcjetpilot
Android Tablet and Software Alternative to iPad and Foreflight?

There is a great current thread on iPad flight applications. I did not want to hijack it. http://www.vansairforce.com/community/showthread.php?t=182743


Anyone using an Android Tablet?
Any...
Forum: RV General Discussion/News 05-22-2020, 08:50 AM
Replies: 23
Views: 20,600
Posted By gmcjetpilot
This is like the washer trick to hold the baffle...

This is like the washer trick to hold the baffle off the fins to allow more airflow around the back and lower part of the #3 that has been around for about 30 years or more, but like this channel...
Forum: RV General Discussion/News 05-21-2020, 08:07 PM
Replies: 42
Views: 5,956
Posted By gmcjetpilot
Tango Tango you have been at for 9 months. Good...

Tango Tango you have been at for 9 months. Good for you, glad you are back. There was some thread drift. As Whisky Romeo said, this CT is the normal range. I posted before but you may want to back...
Forum: RV General Discussion/News 05-21-2020, 08:01 PM
Replies: 13
Views: 812
Posted By gmcjetpilot
Oh my.... :rolleyes:

Oh my.... :rolleyes:
Forum: Safety 05-18-2020, 01:33 PM
Replies: 2
Views: 405
Posted By gmcjetpilot
Thanks for the PIREP... yep chrome can reduce...

Thanks for the PIREP... yep chrome can reduce fatigue life. Not sure about the chrome process changing the heat treat of the aluminum... but chrome is super hard but brittle. It bonds to base metal....
Forum: RV General Discussion/News 05-18-2020, 12:57 PM
Replies: 34
Views: 2,477
Posted By gmcjetpilot
I long for the day, two relays (Bat/Start), one...

I long for the day, two relays (Bat/Start), one Alt, one battery, one buss. Most Piper and Cessna and Beech are flying like this IFR everyday. Of course they have vacuum pumps for flight instruments...
Forum: RV General Discussion/News 05-18-2020, 12:51 PM
Replies: 14
Views: 1,277
Posted By gmcjetpilot
I need something for my reading glasses....

I need something for my reading glasses....
Forum: Electrical Systems 05-17-2020, 10:24 PM
Replies: 27
Views: 1,080
Posted By gmcjetpilot
Cutting sheet metal is not hard. You built what...

Cutting sheet metal is not hard. You built what looks like a beautiful fast back RV-4.

1) Why do you need a TAXI Camera? I have 900 hours in RV-4 and they are easy to taxi with out S-turn. Keep...
Forum: Traditional vs. Alternative Powerplants 05-16-2020, 09:36 PM
Replies: 10
Views: 4,713
Posted By gmcjetpilot
Diesel is up to 20% to 30% more efficient and the...

Diesel is up to 20% to 30% more efficient and the fuel has 10% to 15% more energy density, and makes more low end torque than a petrol engine.

I drive a VW TDI Sportwagen and can get over 50 mpg...
Forum: RV General Discussion/News 05-16-2020, 11:50 AM
Replies: 18
Views: 1,082
Posted By gmcjetpilot
Mike of Savvy is pretty good source of solid...

Mike of Savvy is pretty good source of solid advice. Here is him giving his background. Interesting path to his career now. https://youtu.be/l-gNZuqa_Ug

12 or 16 channel engine analyzers are...
Forum: RV General Discussion/News 05-15-2020, 12:02 PM
Replies: 21
Views: 2,032
Posted By gmcjetpilot
I think it looks great and should last a long...

I think it looks great and should last a long time, heat, fluids will take a toll over time but I see this lasting a long time. We shall see. Nice work.
Forum: RV General Discussion/News 05-14-2020, 05:08 PM
Replies: 6
Views: 331
Posted By gmcjetpilot
As MEL said EGT is not an absolute but a...

As MEL said EGT is not an absolute but a reference. More important is what is the RELATIVE EGT to each JUG. Also important is what is NORMAL for your plane. If you have one get cold or super hot...
Forum: RV General Discussion/News 05-14-2020, 09:11 AM
Replies: 25
Views: 1,484
Posted By gmcjetpilot
I prefer dimple on 0.032 because with 3/32 flush...

I prefer dimple on 0.032 because with 3/32 flush rivet it is knife edged. In the certified aircraft world it is usually a no no to have more than 67% countersking to skin thickness. Up to you! It...
Forum: RV General Discussion/News 05-14-2020, 09:05 AM
Replies: 3
Views: 432
Posted By gmcjetpilot
Correction: anyone can paint it who knows what...

Correction: anyone can paint it who knows what they are doing and uses the proper paint and processes.":D I'd call the manufacture and ask what product to use.

I don't know but I talked to a prop...
Forum: RV General Discussion/News 05-14-2020, 12:20 AM
Replies: 3
Views: 432
Posted By gmcjetpilot
The blades are aluminum. It is just paint. Anyone...

The blades are aluminum. It is just paint. Anyone who knows paint can do it. You could paint it on plane with out removal. You could remove it, and tear down.... that will be big money. With that...
Forum: RV General Discussion/News 05-14-2020, 12:06 AM
Replies: 32
Views: 3,113
Posted By gmcjetpilot
The RV-14 is even more snap together than the...

The RV-14 is even more snap together than the -7... but you are right they are punched. The RV-14 is just a next level where it has less fitting required.
Forum: RV General Discussion/News 05-14-2020, 12:00 AM
Replies: 18
Views: 1,082
Posted By gmcjetpilot
I don't have a brilliant answer or cure to the...

I don't have a brilliant answer or cure to the current pandemic but I have an observation.

Middle of graph, the EGT #1 delta is approx 50F. Not significant.

Right of graph EGT #1 matches closely...
Forum: RV General Discussion/News 05-11-2020, 11:34 PM
Replies: 4
Views: 346
Posted By gmcjetpilot
You don't need an IA an A&P might do especially...

You don't need an IA an A&P might do especially if they are familiar with RV's. As Mike S. said an experienced RV builder owner would be better than nothing.

There is no requirement to hire anyone...
Forum: COMM 05-11-2020, 11:25 PM
Replies: 27
Views: 1,888
Posted By gmcjetpilot
Thanks Bob...initially I was going on this was a...

Thanks Bob...initially I was going on this was a NAV antenna and there were no issues until the wing tip was installed.... there was no PTT or transmitting involved like the other thread.

When I...
Forum: COMM 05-11-2020, 05:59 PM
Replies: 27
Views: 1,888
Posted By gmcjetpilot
I'm a simple man so let me ask these dumb...

I'm a simple man so let me ask these dumb questions. The antenna is for NAV? Where does the coaxial go, a NAV unit (VOR/LOC/GS) somewhat separate of the Dynon. What does NAV have to do with the...
Forum: COMM 05-11-2020, 01:32 PM
Replies: 49
Views: 2,857
Posted By gmcjetpilot
I don't think foil will help troubleshoot even as...

I don't think foil will help troubleshoot even as an temp experiment. Typically shielding is grounded at one end. Don't get me wrong big fan of sheildung writes just don't think foil will be...
Forum: RV General Discussion/News 05-11-2020, 12:27 PM
Replies: 11
Views: 741
Posted By gmcjetpilot
Welcome aboard Bill. There are many articles,...

Welcome aboard Bill. There are many articles, books, blogs, videos on how to buy a planes and owning them, that applies to any plane including the RV's. An experimental is a little different than a...
Forum: COMM 05-10-2020, 05:20 PM
Replies: 49
Views: 2,857
Posted By gmcjetpilot
There are ferrite toroid snap on beads. You can...

There are ferrite toroid snap on beads. You can snap on the wires to kill RF in the wire. If that is the issue is your engine indication look at those wires before the EIS and the serial cable to the...
Forum: RV General Discussion/News 05-10-2020, 05:14 PM
Replies: 22
Views: 1,298
Posted By gmcjetpilot
Plus +1 on headsets. The easiest is get a headset...

Plus +1 on headsets. The easiest is get a headset that accepts aux audio for music as said BT or wired. There are headset reviews of which ones sound better with music. However you are in a loud...
Forum: RV General Discussion/News 05-06-2020, 10:39 PM
Replies: 22
Views: 1,579
Posted By gmcjetpilot
You must be kidding and trolling me? Ha ha. OK...

You must be kidding and trolling me? Ha ha. OK let's just nip this in the bud. It is a strawman argument that water evaporates below boiling. I never said water does not evaporate below boiling....
Forum: RV General Discussion/News 05-05-2020, 04:27 PM
Replies: 22
Views: 1,579
Posted By gmcjetpilot
Ha ha I was about to post that. As far as oil...

Ha ha I was about to post that.
As far as oil capacity I mentioned, shocked to see 2 Qrts. Mins. 6 Qts is my max and 5.5 Qts min to keep from blowing out out vent.

OIL SUMP CAPACITY
All Models...
Forum: RV General Discussion/News 05-05-2020, 02:45 PM
Replies: 22
Views: 1,579
Posted By gmcjetpilot
"Good Grief". That dismissive statement is backed...

"Good Grief". That dismissive statement is backed up by facts? Proof please.... My comments are based on Lycoming publications. You want your engine oil temp to burn off all the moisture and acids...
Forum: RV General Discussion/News 05-05-2020, 01:05 PM
Replies: 22
Views: 1,579
Posted By gmcjetpilot
You want your oil to be at or about the water...

You want your oil to be at or about the water boiling point 212F. Oil Temp in the cylinder heads near the exhaust valves is about 30F higher than what you are reading. So 180F measured at oil temp...
Forum: RV General Discussion/News 05-04-2020, 06:33 PM
Replies: 77
Views: 11,317
Posted By gmcjetpilot
I was a CFI and student was ready for check ride....

I was a CFI and student was ready for check ride. We went out for last flight review before his check ride, a confidence builder. We departed Boeing field and went West, to do air work and some T/O...
Forum: RV General Discussion/News 05-04-2020, 05:43 PM
Replies: 4
Views: 602
Posted By gmcjetpilot
That is like asking best girlfriend or best wife...

That is like asking best girlfriend or best wife (not at the same time). :D

You are asking how to make wheel pant to gear leg fairing. Two ways I know of:

1) Sam James method model clay and lay it...
Forum: RV General Discussion/News 04-30-2020, 09:09 PM
Replies: 6
Views: 1,793
Posted By gmcjetpilot
You know what it is worth new if you built it. In...

You know what it is worth new if you built it. In my opinion 50% off new as suggest is a bit too conservative, at least for engine and prop.

Engines have high core value, say $10,000. Say the price...
Forum: RV General Discussion/News 04-30-2020, 03:15 PM
Replies: 34
Views: 2,477
Posted By gmcjetpilot
Main Alternator B+ is going where? Assume you...

Main Alternator B+ is going where?

Assume you don't plan on paralleling both MAIN and AUX alternator and have a way to kill the main alternator, like pull CB.

Do you need a clearance delivery,...
Forum: RV General Discussion/News 04-29-2020, 09:07 PM
Replies: 14
Views: 1,193
Posted By gmcjetpilot
I ham radio guy. I agree. It is not practically...

I ham radio guy. I agree. It is not practically significant. It is however something, polarization does matter. Not to drive into the weeds, RF has an electrical field and magnetic field...
Forum: RV General Discussion/News 04-29-2020, 08:39 PM
Replies: 84
Views: 38,312
Posted By gmcjetpilot
I enjoy the ingenuity and research builders do....

I enjoy the ingenuity and research builders do. Personally my thought is the
fiberglass cowl will not last long with a full blown fuel fed fire even if the firewall
has extra protection. The...
Forum: RV General Discussion/News 04-29-2020, 09:34 AM
Replies: 14
Views: 1,277
Posted By gmcjetpilot
Congratulations !!!! Thanks for posting.

Congratulations !!!! Thanks for posting.
Forum: RV General Discussion/News 04-29-2020, 09:09 AM
Replies: 14
Views: 1,193
Posted By gmcjetpilot
The noisy (electrically) engine area is not ideal...

The noisy (electrically) engine area is not ideal for antenna, along with SS firewall, engine, nose gear (as installed). More distance from these items would be better. You don't have a nice 360...
Forum: RV General Discussion/News 04-25-2020, 11:37 PM
Replies: 7
Views: 923
Posted By gmcjetpilot
What size Wrench or Socket do You Need? New Tool Tells You

This has been out over a year. I'm going to buy it. I think it will save time. I'm OK at guessing, but this will give you SAE or Metric size and both if there is direct converson....
Forum: Safety 04-25-2020, 12:30 PM
Replies: 20
Views: 3,073
Posted By gmcjetpilot
Carl relax. There is no argument here. I never...

Carl relax. There is no argument here. I never said you said. I read Van's Service Bulletin and even paraphrased it in my post, thanks for pointing it out to me. I read aircraft SB's for a living. I...
Forum: Safety 04-23-2020, 01:16 PM
Replies: 20
Views: 3,073
Posted By gmcjetpilot
Carl I was one of the early builders to buy a...

Carl I was one of the early builders to buy a full RV7 kit and have serial number to prove it. :D This is my rusty memory. I got the notification to upgrade rudder just as I was finishing the...
Forum: RV General Discussion/News 04-23-2020, 12:51 PM
Replies: 44
Views: 6,022
Posted By gmcjetpilot
No I said one thing I found interesting...

No I said one thing I found interesting correctly, intubation (forced mechanical ventilation) in his opinion was not as effective in 75% of the patient as alternate treatment. I did NOT recount the...
Forum: RV General Discussion/News 04-23-2020, 07:21 AM
Replies: 44
Views: 6,022
Posted By gmcjetpilot
CBS This Morning today (Thurs 4/23/2020)...

CBS This Morning today (Thurs 4/23/2020) interviewed a Doctor on what we now know about how to treat patients.

He brought up Oxi-Meter's are key to monitoring health. Apparently when people have...
Forum: RV-7/7A 04-21-2020, 07:24 AM
Replies: 27
Views: 7,654
Posted By gmcjetpilot
The Falco Kit plane and many planes have been...

The Falco Kit plane and many planes have been made all from wood! Wood is God's composite material. Nice. I might consider doing a center storage divider thing.
Forum: RV-7/7A 04-21-2020, 07:21 AM
Replies: 17
Views: 933
Posted By gmcjetpilot
Your Magnetometer does not care about your...

Your Magnetometer does not care about your receive only nav antenna made of aluminum, it is not magnetic. LH or RH up to you.

I vote for the rear deck under rudder -OR- somewhere behind the aft bag...
Forum: RV General Discussion/News 04-21-2020, 06:53 AM
Replies: 14
Views: 1,258
Posted By gmcjetpilot
The answer is RV7/9 (totally different wings) has...

The answer is RV7/9 (totally different wings) has only one configuration/design. There are no wing and gear location variations, one design. Almost every airplanes from small to large will change CG...
Forum: RV General Discussion/News 04-21-2020, 05:53 AM
Replies: 5
Views: 416
Posted By gmcjetpilot
There is no standard canopy closed light on a...

There is no standard canopy closed light on a RV-4 as part of the kit. It was a builder add on. None of the two place RV's or most General Aviation planes I have flown have door/canopy closed lights....
Forum: RV General Discussion/News 04-20-2020, 10:01 AM
Replies: 11
Views: 1,719
Posted By gmcjetpilot
STOL has really taken off (pun intended...

STOL has really taken off (pun intended :rolleyes:) in the last decade. STOL has always been around. The movie "Air America" featured a turbine Pilatus Porter. I have seen STOL demos for decades....
Forum: RV General Discussion/News 04-20-2020, 09:24 AM
Replies: 23
Views: 2,893
Posted By gmcjetpilot
https://live.staticflickr.com/7013/6633894845_9cca...

https://live.staticflickr.com/7013/6633894845_9cca54c334_b.jpg

Piper Tri-Pacer is a nice flying plane (looks acquired taste).... and that nose wheel is built like a steel bridge, it never will fold...
Forum: Safety 04-19-2020, 08:36 PM
Replies: 20
Views: 3,073
Posted By gmcjetpilot
When the RV-7 kit came out around 2001-2002, Van...

When the RV-7 kit came out around 2001-2002, Van had a test pilot do a flight test program. Before that Van did all the testing of previous models. I flew with Van once, he is a good stick. I caught...
Forum: RV General Discussion/News 04-19-2020, 08:28 PM
Replies: 152
Views: 22,003
Posted By gmcjetpilot
Would love to see some video of the new nose gear...

Would love to see some video of the new nose gear with a fast flat landing of soft field..... I am sure it will not fold. The "folding mechanism" of the original design I think is well understood at...
Forum: RV General Discussion/News 04-17-2020, 08:38 PM
Replies: 13
Views: 6,118
Posted By gmcjetpilot
https://lh3.googleusercontent.com/proxy/KShN_mZblb...

https://lh3.googleusercontent.com/proxy/KShN_mZblbWPk1izProXQhhdDpf67l7OKa-ZjkLNDwveOSPqnM4EG_SXLMS4B2CLEdaRSQn2sgLcMebeSPFN41iryjjPK09qOMOajprtrP7VCAX46Q

Not my RV4 but thought you might like for...
Forum: RV General Discussion/News 04-17-2020, 06:30 PM
Replies: 10
Views: 1,097
Posted By gmcjetpilot
Yep it takes the strong and brave to have...

Yep it takes the strong and brave to have polished...
Forum: RV General Discussion/News 04-17-2020, 06:22 PM
Replies: 41
Views: 3,872
Posted By gmcjetpilot
Lycoming use to use aluminum hard lines for prop...

Lycoming use to use aluminum hard lines for prop Gov. They cracked and they went to stainless or flexible lines.

Metal tubes do fatigue as the engine shakes. However if the tube is well supported...
Forum: RV General Discussion/News 04-16-2020, 11:42 PM
Replies: 11
Views: 1,601
Posted By gmcjetpilot
Lightbulb Great post. Read every word. What a peice of...

Great post. Read every word. What a peice of American amateur built aircraft history. Thanks for maintaining this beautiful airplane.
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