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Search: Posts Made By: gmcjetpilot
Forum: RV General Discussion/News Yesterday, 07:41 PM
Replies: 13
Views: 630
Posted By gmcjetpilot
I don't care what Lycoming says I'm a rebel. :D...

I don't care what Lycoming says I'm a rebel. :D It works great. The thing is you have get the right length that heats the tip only and is fully in the oil. First you pull regular dip stick and store...
Forum: RV General Discussion/News Yesterday, 07:21 AM
Replies: 13
Views: 630
Posted By gmcjetpilot
So besides cowl blanket and covering the cowl...

So besides cowl blanket and covering the cowl inlet and outlet.... Car heater vent is anemic...

1) Put a sump warmer that is DC powered, plug into your car and wait an hour with blanket.

2) Buy or...
Forum: RV General Discussion/News 02-21-2020, 02:20 PM
Replies: 10
Views: 487
Posted By gmcjetpilot
That is why three are +300 threads and 1000's of...

That is why three are +300 threads and 1000's of post. Use what ever you want. However "aerospace" materials and processes have been tested and are well understood. If you spend all your time...
Forum: RV General Discussion/News 02-21-2020, 01:04 PM
Replies: 10
Views: 487
Posted By gmcjetpilot
As others said. Sam has a great web site. I am a...

As others said. Sam has a great web site. I am a fan of primer. There are areas you MUST prime. Most areas are optional.

My advice is pick a good aerospace brand of primer AkzoNobel, PPG,...
Forum: Propellers 02-19-2020, 01:01 PM
Replies: 10
Views: 1,520
Posted By gmcjetpilot
It's complicated. :D So here is the deal. The...

It's complicated. :D So here is the deal. The prop is tested with a very specific configuration, including ignition, fuel delivery and even air frame. Hartzell in no way has tested every possible...
Forum: RV General Discussion/News 02-19-2020, 11:58 AM
Replies: 26
Views: 2,462
Posted By gmcjetpilot
All cylinder monitoring of CHT, EGT as well as...

All cylinder monitoring of CHT, EGT as well as fuel flow is one of the best safety features to come along to GA, with GPS detailed map data and in-flight weather. If we pay attention we can see...
Forum: RV General Discussion/News 02-19-2020, 08:54 AM
Replies: 18
Views: 2,686
Posted By gmcjetpilot
This is why I love piano hinges.... I am going to...

This is why I love piano hinges.... I am going to print this and hang it on my shop wall for insperation...
Forum: RV General Discussion/News 02-19-2020, 08:53 AM
Replies: 18
Views: 2,686
Posted By gmcjetpilot
Congrats. Glad you are continuing this great line...

Congrats. Glad you are continuing this great line of products. The quality of SJ products was high, which I have the gut feel you will maintain. Please keep the prices down. :D

To Sam James, thank...
Forum: RV General Discussion/News 02-18-2020, 03:04 PM
Replies: 15
Views: 984
Posted By gmcjetpilot
You are right for night full stop, but would say...

You are right for night full stop, but would say for day T/G's are OK for the trike gear.

14 CFR 61.57 Recent flight experience: Pilot in command

(a) General experience.

(1) Except as provided in...
Forum: RV General Discussion/News 02-18-2020, 02:27 PM
Replies: 15
Views: 984
Posted By gmcjetpilot
Pretty simple is it same category = airplane?...

Pretty simple is it same category = airplane? Yes. All count towards currency. Tail wheel is not a separate category or class. Airplane single engine land is all the same.... even if it has tail...
Forum: RV General Discussion/News 02-18-2020, 07:03 AM
Replies: 20
Views: 1,421
Posted By gmcjetpilot
It is a waste of time to install a 121.5/243 ELT....

It is a waste of time to install a 121.5/243 ELT. Why bother. You can get a good 406 ELT fairly inexpensively. It is far far more accurate and more likely to save your bacon. The new ELT's have...
Forum: RV General Discussion/News 02-17-2020, 11:19 AM
Replies: 2
Views: 447
Posted By gmcjetpilot
The wing skin takes 100% shear loads (not wing...

The wing skin takes 100% shear loads (not wing bending)... Buckling in one bay does not affect the shear strength. Aesthetics aside, painted you will not see it unless you look for it at specific...
Forum: Traditional Aircraft Engines 02-16-2020, 09:26 AM
Replies: 35
Views: 10,322
Posted By gmcjetpilot
LASER was not a commercial success and many...

LASER was not a commercial success and many people installed them to remove them for high CHT. Why are they worse on CHT historically? I don't know. LASER was an early EI. Now we have so many great...
Forum: Propellers 02-15-2020, 09:00 AM
Replies: 7
Views: 419
Posted By gmcjetpilot
Prop balance can make a big difference on your...

Prop balance can make a big difference on your engine accessories by reducing vibs. The best balance I ever had was at Harvey field. They balanced helicopters and prop planes.

One thing that I...
Forum: RV General Discussion/News 02-15-2020, 08:24 AM
Replies: 30
Views: 3,185
Posted By gmcjetpilot
It would be helpful to know where you are....

It would be helpful to know where you are. Someone could fly in and help you out. Cheers.... with so many RV'ers doing their own maintenance chances are good someone can give you AAA service - ...
Forum: RV General Discussion/News 02-14-2020, 01:07 PM
Replies: 15
Views: 2,825
Posted By gmcjetpilot
That is a common MO as the cops say. Aviation...

That is a common MO as the cops say.

Aviation is a small world so that has been our hedge against theft. The gear could be anywhere in the world.
Forum: RV General Discussion/News 02-14-2020, 09:03 AM
Replies: 3
Views: 943
Posted By gmcjetpilot
Why are things expensive in aviation? I feel bad...

Why are things expensive in aviation? I feel bad for the loss of the two men and to their family. However flying has risks. XP400 is a hot rod engine. I would not put it in a daily flyer.

Just my...
Forum: RV General Discussion/News 02-14-2020, 08:57 AM
Replies: 48
Views: 4,132
Posted By gmcjetpilot
Not to hijack this thread. Can people compare...

Not to hijack this thread. Can people compare SureFly vs P-Mag?

Does the SureFly use AC Plugs or Automotive Plugs
Forum: ADS-B 02-12-2020, 02:20 PM
Replies: 13
Views: 2,541
Posted By gmcjetpilot
He did a follow up video to...

He did a follow up video to clarify....
https://www.youtube.com/watch?v=gT4v340FCYk
Forum: RV General Discussion/News 02-12-2020, 12:30 PM
Replies: 55
Views: 3,161
Posted By gmcjetpilot
I also am a recent Mechanical Engineering Grad...

I also am a recent Mechanical Engineering Grad School graduate (35 years ago ha ha). I would focus on working, getting your rating, renting planes for a time before the full commitment of building....
Forum: RV General Discussion/News 02-10-2020, 08:30 AM
Replies: 26
Views: 3,437
Posted By gmcjetpilot
Sliders can be jettison-able with a builder mod....

Sliders can be jettison-able with a builder mod. RV4 will rip the canopy off the side hinge... One thing to think of, what if you take off the tail feathers with the canopy? I think jettisoning...
Forum: RV General Discussion/News 02-09-2020, 05:40 PM
Replies: 26
Views: 3,437
Posted By gmcjetpilot
Yep topic has been beat to death. However a few...

Yep topic has been beat to death. However a few RV's have flipped in water and
land... and the pilot lived to tell about it. I think it is a given if you can't open
the canopy before the flip...
Forum: RV-6/6A 02-09-2020, 11:43 AM
Replies: 7
Views: 987
Posted By gmcjetpilot
Switch guards are awesome. I have a few guards on...

Switch guards are awesome. I have a few guards on the most important toggles (electrical master, L & R electronic ignition). The rest are not that important.... and unlikely they will get...
Forum: RV General Discussion/News 02-09-2020, 09:58 AM
Replies: 11
Views: 1,182
Posted By gmcjetpilot
I work in the airline industry and arguments...

I work in the airline industry and arguments about what is MAJOR and MINOR repair or alteration still abound. ADS-B does not effect, structural strength, performance, flight characteristics or other...
Forum: RV General Discussion/News 02-06-2020, 12:16 PM
Replies: 32
Views: 3,246
Posted By gmcjetpilot
Thank you for explaining...control the vent to...

Thank you for explaining...control the vent to lean or enrich mixture... What is
worst case failure mode? :eek: :rolleyes: It may be a perfectly fine product, but if it is an
optional device, I'd...
Forum: RV-8/8A 02-06-2020, 10:10 AM
Replies: 17
Views: 5,981
Posted By gmcjetpilot
I look out the canopy. I have spring loaded...

I look out the canopy. I have spring loaded center switch switch and do a 2
count on down wind, 2 count on base, +2 count to full down on final. The
switch latches to up for flap retract and a...
Forum: Propellers 02-06-2020, 10:03 AM
Replies: 5
Views: 733
Posted By gmcjetpilot
You won't get your money out of it. It will end...

You won't get your money out of it. It will end up costing almost as much as a BRAND NEW BA Hartzell Prop... who would buy it when you can get a new BA Prop for about the same price... I would have...
Forum: RV General Discussion/News 02-06-2020, 08:01 AM
Replies: 32
Views: 3,246
Posted By gmcjetpilot
"HACman mixture control " Is unique to RV12 or...

"HACman mixture control " Is unique to RV12 or Rotax? Is this standard fuel system device on Rotax?

http://greenskyadventures.com/mixture-controls.html

My short research on this, I'd start by...
Forum: Alternative Engines 02-04-2020, 10:52 AM
Replies: 208
Views: 51,458
Posted By gmcjetpilot
No argument but the TBO I am referencing is for...

No argument but the TBO I am referencing is for the Sonex Jet https://www.sonexaircraft.com/subsonex/. The engine is a TJ-100 turbojet engine...
Forum: RV General Discussion/News 02-04-2020, 08:10 AM
Replies: 32
Views: 1,360
Posted By gmcjetpilot
Make sure the power supply has the amps. A...

Make sure the power supply has the amps. A battery is fine and charge after using it to power avionics (but don't charge battery at same time).

A little noise in the DC is not going to hurt the...
Forum: Alternative Engines 02-03-2020, 12:07 PM
Replies: 208
Views: 51,458
Posted By gmcjetpilot
Love turbines but if you have to ask how much or...

Love turbines but if you have to ask how much or fuel burn gives you pause it is not for you. Also these tiny turbo props and turbo jets often have very low TBO.

If you want a turbo-prop a used...
Forum: RV-8/8A 02-02-2020, 07:43 PM
Replies: 14
Views: 1,254
Posted By gmcjetpilot
Read my mind and warm comfy clothes, jacket,...

Read my mind and warm comfy clothes, jacket, glove, scarf.... (add the leather helmet and goggles for aircraft affect).... :D
Forum: RV General Discussion/News 02-02-2020, 07:40 PM
Replies: 4
Views: 404
Posted By gmcjetpilot
There are instrument shops all over (not as many...

There are instrument shops all over (not as many for steam gauges as there use to be).....

Have them re-do the face plate. In fact you might be able to do it...
Forum: RV General Discussion/News 02-02-2020, 03:45 PM
Replies: 13
Views: 1,414
Posted By gmcjetpilot
Some times a shop takes returns and it get's...

Some times a shop takes returns and it get's mixed up and sent it back out without reprocessing.

I ordered a light weight starter and when I got it the case was cracked from a kick back... They...
Forum: RV General Discussion/News 01-31-2020, 09:14 PM
Replies: 16
Views: 1,533
Posted By gmcjetpilot
Thanks for sharing. I think it looks fine... I...

Thanks for sharing. I think it looks fine... I will critique (for which you pay nothing and it is worth every penny of that) there is no support in the vertical direction, up down.... The strap...
Forum: RV General Discussion/News 01-31-2020, 08:55 PM
Replies: 90
Views: 14,015
Posted By gmcjetpilot
Go diesel? Look no politics allowed but read my...

Go diesel? Look no politics allowed but read my mind. :rolleyes: Get out and fly (and vote). :D

Adult folks living today will never see 100LL go away in their lifetime. Also lead additives will be...
Forum: RV General Discussion/News 01-30-2020, 06:05 AM
Replies: 47
Views: 2,966
Posted By gmcjetpilot
I have never heard of an amateur built plane...

I have never heard of an amateur built plane being LLC... until now. Experimental can't be used for commercial aviation. Not sure about building and registering under LLC fits into not being sued....
Forum: RV General Discussion/News 01-30-2020, 05:40 AM
Replies: 48
Views: 4,132
Posted By gmcjetpilot
Give in to aging old man....:D (as I put my...

Give in to aging old man....:D (as I put my cheaters on)

Sounds like a few good comments from Experience. I'm a SDS fan, but I always like the idea of self contained EI, like E-Mag (P-Mag), easier...
Forum: RV General Discussion/News 01-29-2020, 03:55 PM
Replies: 9
Views: 880
Posted By gmcjetpilot
Basic airplane, all you need is a jelly jar...

Basic airplane, all you need is a jelly jar compass, altimeter, airspeed... and a chart. Add engine instruments, Tach, OP, OT, Fuel gauge(s)....
Forum: Safety 01-27-2020, 06:43 PM
Replies: 42
Views: 15,369
Posted By gmcjetpilot
Sorry. Never mind. :D

Sorry. Never mind. :D
Forum: RV General Discussion/News 01-27-2020, 06:34 PM
Replies: 7
Views: 337
Posted By gmcjetpilot
Call Hartzell they can help you with M hub. Look...

Call Hartzell they can help you with M hub. Look at the VAF Forum Prop section. I posted a Application guide.... I would not recommend a separate bolt on extension for a constant speed prop. Those...
Forum: Traditional Aircraft Engines 01-27-2020, 10:18 AM
Replies: 6
Views: 932
Posted By gmcjetpilot
Dis-similar metal alert.... Carbon Steel with...

Dis-similar metal alert....

Carbon Steel with Stainless will cause the stainless to corrode.

Stainless with Aluminum will cause the aluminum to corrode. (some charts say NO some say OK, andl likely...
Forum: RV General Discussion/News 01-27-2020, 10:05 AM
Replies: 15
Views: 1,911
Posted By gmcjetpilot
Critical AOA stays the same regardless of...

Critical AOA stays the same regardless of weight.
Stall Speed changes with weight (high Wt. higher stall, Low weight lower stall)

Change in configuration (e.g., flaps) Critical AOA goes down (but...
Forum: COMM 01-25-2020, 06:46 PM
Replies: 18
Views: 1,322
Posted By gmcjetpilot
There are many ways to make a two way radio...

There are many ways to make a two way radio switch panel. The most simple is one mic switch between COM 1 and COM 2. The audio can be mixed a few ways.

One way is an audio mixer so you hear both...
Forum: RV General Discussion/News 01-25-2020, 06:09 PM
Replies: 89
Views: 34,928
Posted By gmcjetpilot
May no one have loss of power in flight, but if...

May no one have loss of power in flight, but if you do.... may it be over a hard back flat dry dirt road next to a farm with no obstructions... Sweet! BTW when balloonist land in a farmers field it...
Forum: RV General Discussion/News 01-25-2020, 02:10 PM
Replies: 15
Views: 1,911
Posted By gmcjetpilot
Only one way to stall is increase angle of attack...

Only one way to stall is increase angle of attack beyond critical... Stall speed increases with bank angle and load factor... but since your stall speed was going down at higher angles, I assume at...
Forum: RV General Discussion/News 01-25-2020, 01:55 PM
Replies: 49
Views: 4,442
Posted By gmcjetpilot
Well not all stall horns are equal, but stall...

Well not all stall horns are equal, but stall horn means in general stall is about to occur. It may be conservative or not. Go up and practice some slow flight and nip at the stall horn. Then pull...
Forum: Safety 01-25-2020, 01:30 PM
Replies: 42
Views: 15,369
Posted By gmcjetpilot
I am not sure why my post on page 1 was also...

I am not sure why my post on page 1 was also deleted :confused: .... BUT there are kits to install BRS on RV's..... google it or youtube it.... I won't post the link to the video again.... I don't...
Forum: RV General Discussion/News 01-25-2020, 12:58 PM
Replies: 14
Views: 1,027
Posted By gmcjetpilot
I went an aircraft tire wear house and saw all...

I went an aircraft tire wear house and saw all the 5x5's they had. No doubt the Michelin is amazing quality.... down side besides price is weight and size. They weigh more and they have a profile and...
Forum: RV General Discussion/News 01-24-2020, 06:50 AM
Replies: 15
Views: 1,345
Posted By gmcjetpilot
Here is a thread I started in Prop section with...

Here is a thread I started in Prop section with Hartzell Application guide.

http://www.vansairforce.com/community/showthread.php?t=177893

Does this engine have dampened crankshaft? Do you have...
Forum: RV-6/6A 01-23-2020, 02:47 PM
Replies: 13
Views: 1,199
Posted By gmcjetpilot
Here you go (RV6 has the same basic fuselage as...

Here you go (RV6 has the same basic fuselage as RV7 and RV9):
https://www.youtube.com/watch?v=0YtXWj2DI7g

I absolutely saw a DIY BRS installed on the web 15 yrs ago. It was very crude looking...
Forum: RV General Discussion/News 01-23-2020, 01:35 PM
Replies: 21
Views: 1,523
Posted By gmcjetpilot
AOA is pointless at cruise speed. AOA is fine...

AOA is pointless at cruise speed.
AOA is fine but AS and knowing your stall speed will keep you safe.
AOA is a nice to have. Some have mount flush in glare shield facing up at windscreen to reflect...
Forum: RV General Discussion/News 01-23-2020, 06:14 AM
Replies: 49
Views: 4,442
Posted By gmcjetpilot
Unloaded = 1G (Some may argue 0G is unloaded. OK....

Unloaded = 1G (Some may argue 0G is unloaded. OK. However 0G is not relevant to normal motoring around the sky, more aerobatics. I do aerobatics and never am at 0G doing my normal +G routine except...
Forum: RV-7/7A 01-22-2020, 01:53 PM
Replies: 4
Views: 706
Posted By gmcjetpilot
Yep the rivets are structural. The idea of...

Yep the rivets are structural. The idea of putting it in the skin with doubler a variation... Great question but if you drill out rivet for pitot, I doubt the loss of one rivet would affect strength....
Forum: RV General Discussion/News 01-22-2020, 01:20 PM
Replies: 26
Views: 2,852
Posted By gmcjetpilot
Hard to see how bad the bend is. It might be OK...

Hard to see how bad the bend is. It might be OK depending on how bent... with the reflection and light it looks like a crease. However it may not look bad when wings are on. Leave it alone and...
Forum: RV General Discussion/News 01-22-2020, 01:01 PM
Replies: 80
Views: 12,032
Posted By gmcjetpilot
Engines "oil filter" in the day came with a metal...

Engines "oil filter" in the day came with a metal screen... :eek:
Forum: RV General Discussion/News 01-21-2020, 10:31 AM
Replies: 12
Views: 1,151
Posted By gmcjetpilot
Correct me if I am wrong but an experimental does...

Correct me if I am wrong but an experimental does not need "back up" but of course as others suggested a G5 or D10 would be a great [ safe ] idea with totally independent power source. As far as back...
Forum: RV General Discussion/News 01-21-2020, 10:22 AM
Replies: 18
Views: 3,880
Posted By gmcjetpilot
I'll get get me a 30 year old girlfriend to help...

I'll get get me a 30 year old girlfriend to help me move my plane... :D

Nice project Dan... FYI a "Best Tug" A2 starts at $2995.
Forum: RV General Discussion/News 01-20-2020, 06:35 PM
Replies: 26
Views: 1,813
Posted By gmcjetpilot
Exclamation Install static Ports and move on.... it will make...

Install static Ports and move on.... it will make little to no difference. Not even Van can make their mind up.

http://www.vansairforce.com/community/showthread.php?t=97509

Keep in mind there is NO...
Forum: RV-7/7A 01-20-2020, 10:51 AM
Replies: 81
Views: 11,781
Posted By gmcjetpilot
Love old threads coming alive but good...

Love old threads coming alive but good topic.

True but in jets you have Vno/Mmo calculated and shown. In GA planes with steam gauges no so (until EFIS). Now we have TAS shown all the time. So no...
Forum: RV General Discussion/News 01-19-2020, 11:06 AM
Replies: 9
Views: 739
Posted By gmcjetpilot
I sent you a private message..... This belongs...

I sent you a private message..... This belongs more in the glass cockpit section. There is a poll there with some info.

You have decide what you really NEED and want and how much you are willing to...
Forum: RV General Discussion/News 01-19-2020, 10:10 AM
Replies: 17
Views: 894
Posted By gmcjetpilot
We are starting 360 CU-IN engines with tiny...

We are starting 360 CU-IN engines with tiny batteries (compared to your car).
Modern small light PM starters require large in-rush current vs wire wound.
Put 2 amp charger on it for 15-30 minutes...
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