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Search: Posts Made By: gmcjetpilot
Forum: Alternative Engines 12-13-2019, 12:58 PM
Replies: 8
Views: 1,051
Posted By gmcjetpilot
A RV (any model) with a Lyc sells for much more...

A RV (any model) with a Lyc sells for much more than an RV with an auto engine. To build an RV with auto engine, especially an Egg kit, is not cheaper than a Lyc which is relatively cheap and easier...
Forum: RV General Discussion/News 12-13-2019, 12:40 PM
Replies: 43
Views: 2,702
Posted By gmcjetpilot
Being the vain sum-Of-biscuit I'm, went with one...

Being the vain sum-Of-biscuit I'm, went with one number (7 for RV-7) and my initials.... That is unique to me. I think you confuse unique with most used. Combinations of numbers or numbers and...
Forum: Propellers 12-13-2019, 09:53 AM
Replies: 12
Views: 785
Posted By gmcjetpilot
Why? Do you suspect something? Is it spitting...

Why? Do you suspect something? Is it spitting grease (a little is normal). I would not spend the money unless it needs repair. All the best. Remove both grease one of the grease fittings and punp out...
Forum: RV-4 12-13-2019, 09:06 AM
Replies: 10
Views: 903
Posted By gmcjetpilot
I put mine there on a O-320 RV-4. THE BIG DRAW...

I put mine there on a O-320 RV-4. THE BIG DRAW BACK is the baffle will crack unless you reinforce and brace it.... from my experience. If you have a wood prop and engine is decently balanced your...
Forum: Propellers 12-12-2019, 11:58 AM
Replies: 47
Views: 14,113
Posted By gmcjetpilot
When you say series I assume the hub and blades...

When you say series I assume the hub and blades will vary for HP? I would not think the blade optimized for 160HP is optimal for 200HP. I could be wrong. Please tell me if blades are identical....
Forum: Propellers 12-12-2019, 11:53 AM
Replies: 10
Views: 1,032
Posted By gmcjetpilot
Remember to check and re-torque your prop often...

Remember to check and re-torque your prop often (as wood shrinks and expands with moisture. You have to have proper crush plate(s) I recall. Van's "RVator" articles decades ago had many articles...
Forum: RV General Discussion/News 12-12-2019, 10:06 AM
Replies: 19
Views: 2,447
Posted By gmcjetpilot
WOW... Great job flying the plane to the ground....

WOW... Great job flying the plane to the ground. Beautiful Falco. Beautiful country to fly over. Glad you are OK.

Pretty deep for RV forum and a slight thread drift, but 1%, my estimate is that is...
Forum: Propellers 12-12-2019, 09:55 AM
Replies: 19
Views: 2,382
Posted By gmcjetpilot
Every constant speed prop Certified AC I know of...

Every constant speed prop Certified AC I know of (a few dozen both single and multi) AFM/POH all call for you to cycle the prop during run up...

With that said DON'T NOT DRAG RPM DOWN.... I pull...
Forum: RV General Discussion/News 12-11-2019, 02:18 PM
Replies: 19
Views: 2,447
Posted By gmcjetpilot
The FAA handbook says, commercial single engine...

The FAA handbook says, commercial single engine PTS now ACS (Airman Certification Standards) for power failure at altitude and associated emergency approach and landing procedures to "Configure the...
Forum: RV General Discussion/News 12-10-2019, 12:00 PM
Replies: 40
Views: 3,788
Posted By gmcjetpilot
You sound exasperated.... like my comment is...

You sound exasperated.... like my comment is unwelcome, wasting your time and destroying the thread, this topic is closed, never to be questioned again. Sorry?

You bring ZERO facts and data, only...
Forum: RV General Discussion/News 12-10-2019, 09:19 AM
Replies: 10
Views: 2,709
Posted By gmcjetpilot
That is the problem the cap is doing ZERO and you...

That is the problem the cap is doing ZERO and you are doing 190 mph.... I would be more worried (very little since cap is likely not going to come off) hitting the horizontal stab. Consider a lanyard...
Forum: RV General Discussion/News 12-10-2019, 09:06 AM
Replies: 40
Views: 3,788
Posted By gmcjetpilot
I'm afraid of Lithium Ion in airplanes. Have a...

I'm afraid of Lithium Ion in airplanes.

Have a Nissan Leaf as a second car I bought used 2 years ago. Love it for around town... I do worry about charging it in the garage but never heard of a Leaf...
Forum: Glass Cockpit 12-09-2019, 10:49 AM
Replies: 6
Views: 17,333
Posted By gmcjetpilot
Appreciate your respect for this pilot and...

Appreciate your respect for this pilot and letting them fly your plane. One word "TRAINING". If a pilot is a superior airman, explaining this issue and asking them read manuals and do ground training...
Forum: Electrical Systems 12-07-2019, 02:17 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Sure a B-lead relay connected to B+ could be...

Sure a B-lead relay connected to B+ could be done. See this link, middle sketch:

https://www.periheliondesign.com/lovm.htm

As far as IC's, if you find the specs on alternators, when you can find...
Forum: RV General Discussion/News 12-06-2019, 01:03 PM
Replies: 6
Views: 841
Posted By gmcjetpilot
:D :D :D Congratulations!

:D :D :D Congratulations!
Forum: Electrical Systems 12-06-2019, 12:47 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Great post but I would put a finer point on with...

Great post but I would put a finer point on with one thing. I-VR alternators DO have OV protection but it's different from a "crow bar". It has proven to be very reliable, not withstanding the...
Forum: RV General Discussion/News 12-05-2019, 11:25 AM
Replies: 37
Views: 3,255
Posted By gmcjetpilot
Flying from SEA-RDD-PHX (about 1200 miles). A...

Flying from SEA-RDD-PHX (about 1200 miles). A cold front approaching south bound my record RV4, 150HP O320 with constant speed prop. Alt mid teens and en-route GS average over half the trip was +270...
Forum: RV General Discussion/News 12-05-2019, 10:50 AM
Replies: 10
Views: 2,709
Posted By gmcjetpilot
How dare you be innovative and modify your...

How dare you be innovative and modify your amateur built kit aircraft.... oh and that beautiful picture is forcing me to scroll the screen.... :D

Congrats.

Oil door replaced by fuel cap deal... I...
Forum: RV General Discussion/News 12-02-2019, 12:37 PM
Replies: 17
Views: 923
Posted By gmcjetpilot
https://www.odysseybattery.com/documents/US-ODY-TM...

https://www.odysseybattery.com/documents/US-ODY-TM-002_1214.pdf
https://www.odysseybattery.com/documents/ODYSSEY_Battery_Reconditioning_Charge_Procedure.pdf

I think the odyssey branded chargers are...
Forum: RV General Discussion/News 12-02-2019, 12:20 PM
Replies: 17
Views: 923
Posted By gmcjetpilot
Any high quality charger with AGM setting. This...

Any high quality charger with AGM setting. This is the one I have:

https://www.northerntool.com/shop/tools/product_200769237_200769237

This does all types and goes up to 10 amps. It is fairly small...
Forum: RV General Discussion/News 12-01-2019, 10:12 AM
Replies: 7
Views: 858
Posted By gmcjetpilot
First - of all that is a gorgeous little single...

First - of all that is a gorgeous little single seater. You MUST give us all the history, specs and performance if you have flown it. I looked it up, it is a RITER SPECIAL, serial 101 built in...
Forum: RV-6/6A 11-30-2019, 07:00 PM
Replies: 70
Views: 16,296
Posted By gmcjetpilot
I went through thread but how do your plugs look.

I went through thread but how do your plugs look.
Forum: RV General Discussion/News 11-30-2019, 06:38 PM
Replies: 10
Views: 617
Posted By gmcjetpilot
I used a dipstick oil heater. I made an adapter...

I used a dipstick oil heater. I made an adapter to hold it and guide it. I plugged it in after I put it in. I unplugged it before removing it. It got the oil nice and warm. Cheap and portable.
Forum: RV-7/7A 11-27-2019, 07:21 PM
Replies: 16
Views: 1,187
Posted By gmcjetpilot
Short answer is, it is acceptable (not seeing the...

Short answer is, it is acceptable (not seeing the rivet). Rivet has no other defect? One or few rivet or many rivets? Is the rivet shop head centered over hole? (hard to determine sometimes) Cracks...
Forum: Electrical Systems 11-25-2019, 07:00 AM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
This is where we get into the emotional of...

This is where we get into the emotional of debate. Walter I hear you and don't disagree, but an engine is not an alternator; that is a straw man argument. Also B&C sells a fine product but most of...
Forum: Electrical Systems 11-23-2019, 07:24 AM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Question Bob is saying he does not know. He's not an...

Bob is saying he does not know. He's not an engineer and anything he does not understand is suspect. That is not a bad thing per se. His philosophy and opinions are rooted in thinking of simple...
Forum: RV General Discussion/News 11-21-2019, 01:43 PM
Replies: 15
Views: 1,497
Posted By gmcjetpilot
I was reading your post.... in thread:...

I was reading your post.... in thread: http://www.vansairforce.com/community/showthread.php?t=63952

Post #18:
http://www.vansairforce.com/community/showpost.php?p=478420&postcount=18

".... I'm...
Forum: Electrical Systems 11-21-2019, 01:25 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Agree, but some people are heck bent on external...

Agree, but some people are heck bent on external VR's. The B&C external regulator is not really anything to justify a $180 price tag. I am running Denso IR Alternator.
Forum: Electrical Systems 11-20-2019, 01:09 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
This design is not "rocket surgery or brain...

This design is not "rocket surgery or brain science" (joke). Google voltage regulator circuit... B&C copied this circuit. To copy this circuit is like copying the wheel of electronics. TSO/PMA is...
Forum: RV General Discussion/News 11-20-2019, 09:55 AM
Replies: 15
Views: 1,497
Posted By gmcjetpilot
Dan, I have been following your experimentation...

Dan, I have been following your experimentation for over a decade and know you have a passion for this subject. I very much have enjoyed it. We both have read the NASA Rpt 3405 (1981). After decades...
Forum: RV General Discussion/News 11-19-2019, 12:27 PM
Replies: 21
Views: 3,301
Posted By gmcjetpilot
Yep drill off the skin. The spar and end ribs...

Yep drill off the skin. The spar and end ribs should be OK. Van's should have replacement skin, but if he does not, buy raw stock and make your own using old rudder as a pattern. Buy local if at all...
Forum: RV General Discussion/News 11-18-2019, 12:29 PM
Replies: 15
Views: 1,497
Posted By gmcjetpilot
Well you put the word fundamentally. Yes exit...

Well you put the word fundamentally. Yes exit area may be primary but inlet area has to be sized for the engine as well as exit area; there are rules of thumb of inlet/exit ratios. Inlet area is a...
Forum: Electrical Systems 11-17-2019, 01:26 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
B&C's claim to fame with their (ND based)...

B&C's claim to fame with their (ND based) alternators (besides high price $550 for alt + regulator) are two fold: 1) They are externally regulated with a "crow bar"; 2) They are reported to be "blue...
Forum: RV-7/7A 11-17-2019, 10:59 AM
Replies: 15
Views: 2,516
Posted By gmcjetpilot
Sorry Dan did not see your question. I think we...

Sorry Dan did not see your question. I think we are talking past each other.

1) Does firewall insulation reduce heat and noise in cockpit making it more comfortable? Yes

2) Is putting flammable...
Forum: Safety 11-17-2019, 09:53 AM
Replies: 16
Views: 1,636
Posted By gmcjetpilot
Talking There are many threads on parachutes. The slim or...

There are many threads on parachutes. The slim or wedge backpacks work best in RV's. Go to their websites, lots of info. There are 3 or 4 major bands (softie, national, strong, butler, aviator). I...
Forum: Safety 11-17-2019, 09:31 AM
Replies: 16
Views: 1,636
Posted By gmcjetpilot
What? I have 600 hours in an RV4 and guessing 100...

What? I have 600 hours in an RV4 and guessing 100 hours doing loops, rolls ailerons/barrel, stalls, Cuban8, hammerhead, emmelman, split-s (with care). It is a fun excellant aerobatic plane. Is it a...
Forum: RV General Discussion/News 11-17-2019, 08:45 AM
Replies: 1
Views: 342
Posted By gmcjetpilot
That is a great question. The work around is have...

That is a great question. The work around is have another GPS that has the output accepted by the autopilot and use foreflight as a reference. Autopilots typically accept a NMEA standard protocol...
Forum: RV General Discussion/News 11-17-2019, 08:04 AM
Replies: 57
Views: 3,243
Posted By gmcjetpilot
Can you please direct us to a rig for high...

Can you please direct us to a rig for high (really high) pressure testing, safely. My plan is install and test on the aircraft (on the ground of course) for leaks visually at service or working...
Forum: Electrical Systems 11-16-2019, 06:50 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
The small frame 35-45 amp ND alternators are...

The small frame 35-45 amp ND alternators are about 7 lbs without brackets. You will not get much lighter. The one in questions has A LOT of hot air greatest latest efficiency hype... OK. It's a copy...
Forum: Electrical Systems 11-16-2019, 09:37 AM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
I see, should have been clear. So he has two...

I see, should have been clear. So he has two schematics.

The first is put his OV switch on the ON/OFF lead to the IR alternator. It may work fine, but don't like it. ;) I have seen people do this,...
Forum: Electrical Systems 11-16-2019, 09:12 AM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Not all clones are the same. I found the ones...

Not all clones are the same. I found the ones from Taiwan were better than ones for China, but that was 10 years ago.

If you can get a new ND that is best, but most of the genuine Japan made small...
Forum: Electrical Systems 11-16-2019, 08:30 AM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Good point, but these auto alternators are able...

Good point, but these auto alternators are able to run up to 9000 rpm all day, but logic would say it will live longer at 6000 RPM. With that said how many ND or ND clone alternators die because of...
Forum: RV General Discussion/News 11-16-2019, 07:30 AM
Replies: 15
Views: 1,497
Posted By gmcjetpilot
What are the CHT's 1, 2, 3 and 4. Usually...

What are the CHT's 1, 2, 3 and 4. Usually cylinder #3 Back RHS (passenger side). The fins on the back side of the #3 cylinder are very shallow and your baffling can choke airflow. The trick here is...
Forum: RV-6/6A 11-15-2019, 01:43 PM
Replies: 70
Views: 16,296
Posted By gmcjetpilot
Do your top speed at full throttle and report...

Do your top speed at full throttle and report RPM, speed and total AC weight. Also report density altitude, and if able fly lower (safely), say 1000 feet agl. To get accurate speed do a GPS speed...
Forum: RV-6/6A 11-15-2019, 01:34 PM
Replies: 13
Views: 1,249
Posted By gmcjetpilot
So the filter (spin on I assume) is defective?...

So the filter (spin on I assume) is defective? :eek: Never seen that. Agree if that let loose.... You don't have to change the oil just the filter and replace the oil that was in the filter as...
Forum: RV-7/7A 11-15-2019, 12:38 PM
Replies: 23
Views: 3,181
Posted By gmcjetpilot
What new RV-7/A gear? This is just for RV-7A new...

What new RV-7/A gear? This is just for RV-7A new nose gear right? The RV-7/A confused me.

I hope the new nose gear works well..... Personally if I had an "A" model I would stick with the old mount...
Forum: Safety 11-13-2019, 04:57 PM
Replies: 48
Views: 10,419
Posted By gmcjetpilot
Thought same thing. I agree with you. A super...

Thought same thing. I agree with you. A super sized center punch on steroids is ideal. Great find. Kind of icky primary use. Reminds me of movie "No Country for Old Men". Let me know how it works......
Forum: RV General Discussion/News 11-13-2019, 12:15 PM
Replies: 21
Views: 2,517
Posted By gmcjetpilot
One issue is lumens and candela are some of the...

One issue is lumens and candela are some of the most obscure antique units of measurements in all if physics. As pointed out beam width and other factors are in play. It's hard to get a feel for the...
Forum: RV-7/7A 11-13-2019, 07:56 AM
Replies: 11
Views: 1,388
Posted By gmcjetpilot
+1. Facts will set you free. Over 10,500 RV's...

+1. Facts will set you free. Over 10,500 RV's flown over +40 years with a handful of in-flight break-ups going back to the RV-3 (wing issue), mostly attributed to exceeding Vne and G limits (a lot),...
Forum: RV General Discussion/News 11-13-2019, 07:34 AM
Replies: 7
Views: 858
Posted By gmcjetpilot
Some pictures of this custom plane with...

Some pictures of this custom plane with measurements would be great.

Do you plan on making the cowl out of metal?

If the inlet is what you want to modify you could make a fiberglass nose bowl and...
Forum: RV General Discussion/News 11-13-2019, 07:21 AM
Replies: 8
Views: 527
Posted By gmcjetpilot
[QUOTE=markgtruitt;1385852]All, I am flying of...

[QUOTE=markgtruitt;1385852]All, I am flying of the first 40 on my RV10 and would like to know what I should note in the "Description of Inspections, at different weights up to max gross (Vo, V1,...
Forum: RV General Discussion/News 11-11-2019, 11:40 AM
Replies: 15
Views: 1,684
Posted By gmcjetpilot
I went with electronic copy only. I will let it...

I went with electronic copy only. I will let it run for a year or two and end my subscription. I go a few years and pick it up again. The good thing is you can see back issues. The only magazine I...
Forum: Safety 11-10-2019, 06:51 PM
Replies: 14
Views: 2,704
Posted By gmcjetpilot
Thanks I missed the night part. I like how you...

Thanks I missed the night part. I like how you told me. Ha ha. Not sure what right turn in high wing has to do with it, if you have horizon in your windscreen. If the wing blocks the only reference...
Forum: Safety 11-09-2019, 06:22 PM
Replies: 14
Views: 2,704
Posted By gmcjetpilot
Sorry for the loss of your friend and condolences...

Sorry for the loss of your friend and condolences to all friends and family.

Last part of report is odd, illogical.... This was a clear day... with light winds and they just put this at the end of...
Forum: RV General Discussion/News 11-09-2019, 06:02 PM
Replies: 21
Views: 2,493
Posted By gmcjetpilot
+1 ding ding ding winner winner chicken...

+1 ding ding ding winner winner chicken dinner.

If you have fat radius on the training edge edge of aileron, it can create weird control issues and heavy wing or rolling. Before squeezing the...
Forum: RV-6/6A 11-08-2019, 04:30 PM
Replies: 46
Views: 6,029
Posted By gmcjetpilot
Thanks, fair enough... forgot about lower...

Thanks, fair enough... forgot about lower aerobatic weight. So 1375 to 1800 is about 30%. So at 1800 lbs you would be around 3.8G limit of utility category plane.

To be clear I'm not condoning or...
Forum: RV-6/6A 11-08-2019, 03:38 PM
Replies: 46
Views: 6,029
Posted By gmcjetpilot
I do stress analysis and certification of...

I do stress analysis and certification of aircraft structure. Not going to argue MGW (max gross wt.) but a few comments.

Gust load condition will produce higher G loads when operating an aircraft at...
Forum: RV General Discussion/News 11-08-2019, 01:58 PM
Replies: 27
Views: 2,891
Posted By gmcjetpilot
Nice land and home strip plans. I'm jealous. That...

Nice land and home strip plans. I'm jealous. That is a long Pvt strip. RV's need much less than that, even with obstacles. As far as drainage if willing to move dirt and add drainage you can put...
Forum: RV-7/7A 11-03-2019, 02:40 PM
Replies: 11
Views: 1,388
Posted By gmcjetpilot
Call Van's Aircraft Monday is my...

Call Van's Aircraft Monday is my advice/suggestion. My opinion is you might not get an answer for one or more reasons..... like no one has tried it or it will not fit.... You will be the trail blazer...
Forum: RV-7/7A 11-03-2019, 12:37 PM
Replies: 15
Views: 2,516
Posted By gmcjetpilot
I have never had an in-flight RV fire but read...

I have never had an in-flight RV fire but read the accident reports of a few. The stainless steel "Firewall" is not the weak point. The fiberglass cowl will fail, allowing heat and smoke to impinge...
Forum: Electrical Systems 11-02-2019, 08:02 PM
Replies: 140
Views: 13,024
Posted By gmcjetpilot
Scary. $40K. Nice panel. What did he blow? I ask...

Scary. $40K. Nice panel. What did he blow? I ask because most modern avionics runs on 10 to 30 volts and they have their own OV protection. Old school avionics were virtually unprotected... power...
Forum: RV-7/7A 11-02-2019, 07:56 PM
Replies: 11
Views: 1,388
Posted By gmcjetpilot
You are over thinking it. I built two RV-7 the...

You are over thinking it. I built two RV-7 the very first early small one and the larger one. RV-7 rudder is fine in my opinion. Talk to Van's.
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