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Search: Posts Made By: Mel
Forum: Tools Today, 12:26 PM
Replies: 11
Views: 323
Posted By Mel
Absolutely! As I said, the only maintenance I...

Absolutely! As I said, the only maintenance I have had to do is replace the upper bearing every 3 years or so.
Forum: Tools Yesterday, 07:14 PM
Replies: 11
Views: 323
Posted By Mel
I actually have 2 1" belt sanders side by side. ...

I actually have 2 1" belt sanders side by side. I keep 80 grit on one for shaping and 120 grit on the other for finishing edges.

The only maintenance I have to do is replace the upper bearing on...
Forum: Tools Yesterday, 01:41 PM
Replies: 11
Views: 323
Posted By Mel
And I'm the opposite. I use the 1" belt almost...

And I'm the opposite. I use the 1" belt almost continuously and seldom use the disk.
Forum: VAF Classifieds (posts in here deleted after 30 days) Yesterday, 01:35 PM
Replies: 5
Views: 197
Posted By Mel
Email sent......

Email sent......
Forum: RV Ongoing Maintenance Issues Yesterday, 10:47 AM
Replies: 20
Views: 1,879
Posted By Mel
Flap misalignment is not nearly as critical as...

Flap misalignment is not nearly as critical as aileron misalignment. The flaps don't have near the leverage of the ailerons.
Forum: RV-4 Yesterday, 06:42 AM
Replies: 7
Views: 256
Posted By Mel
This is correct. Because the Twin Commanche used...

This is correct. Because the Twin Commanche used substantial prop extensions, the C/G of the engine/prop combintion is further forward.
Forum: RV-4 Yesterday, 05:58 AM
Replies: 7
Views: 256
Posted By Mel
Explaination.......

On a Dynafocal mount, the extended line of the mounting bolts meet at the C/G of the engine. On a Conical mount, the bolts are all parallel to the thrust line of the engine.
Forum: RV General Discussion/News 05-15-2021, 08:07 AM
Replies: 7
Views: 264
Posted By Mel
I guess I should have mentioned installation of...

I guess I should have mentioned installation of the new bushings. Also simple; just place the bushing in from the back and place the socket on the front side. Insert bolt/washer and pull the...
Forum: RV General Discussion/News 05-15-2021, 07:20 AM
Replies: 7
Views: 264
Posted By Mel
Pretty simple to remove old bushings. Place an...

Pretty simple to remove old bushings. Place an oversize socket on the backside of the flange and a washer on the front side of the bushing and the backside of the socket. Insert an undersize...
Forum: RV-12/RV-12iS 05-14-2021, 01:30 PM
Replies: 12
Views: 812
Posted By Mel
This would be my recommendation. Of course, I'm...

This would be my recommendation. Of course, I'm somewhat known for using pop-rivet dimplers as I have build several airplanes using only these and vice grip dimplers.
Forum: Flight Testing 05-14-2021, 01:26 PM
Replies: 24
Views: 1,791
Posted By Mel
There are no limitations by the FAA for such...

There are no limitations by the FAA for such testing that I'm aware of.

However, PRUDENCE should be a very high priority here.
Forum: Flight Testing 05-14-2021, 11:33 AM
Replies: 24
Views: 1,791
Posted By Mel
AND A PARACHUTE! Of course, that would go...

AND A PARACHUTE! Of course, that would go without saying. This would already be on the checklist for an experienced test-pilot.
Forum: RV Building Tips/Techniques 05-14-2021, 11:22 AM
Replies: 9
Views: 315
Posted By Mel
As Scott says, the standard pop rivet shown in...

As Scott says, the standard pop rivet shown in the plans is cheap and works great. It is in service on thousands of RVs.
Forum: RV Building Tips/Techniques 05-14-2021, 10:43 AM
Replies: 9
Views: 315
Posted By Mel
No problem using nonstructural rivets. Static...

No problem using nonstructural rivets. Static ports carry virtually no structural loads.
Forum: Traditional Aircraft Engines 05-11-2021, 07:24 AM
Replies: 23
Views: 1,326
Posted By Mel
Have you considered exhaust "pounding" on the...

Have you considered exhaust "pounding" on the floor? If your exhaust pipes don't have "turn-downs" at the tip, sometimes this can cause a vibration on the floor.
Forum: RV-4 05-10-2021, 07:21 AM
Replies: 3
Views: 136
Posted By Mel
I might suggest that you rethink your decision to...

I might suggest that you rethink your decision to remove the rear baffle. Cutting large holes in the baffle is much easier and less invasive. Don't let the difficulty of working through the "end"...
Forum: RV-7/7A 05-09-2021, 06:46 AM
Replies: 21
Views: 2,263
Posted By Mel
I have done very little research on this...

I have done very little research on this particular situation, however, combining 2 mods for the same thing is usually not a good idea. Even if it does make it stronger, adding strength to one place...
Forum: RV-9/9A 05-06-2021, 11:33 AM
Replies: 11
Views: 1,168
Posted By Mel
Be careful. The instrument panel is VERY close...

Be careful. The instrument panel is VERY close to the Center of Gravity. It would take less bubblegum if you put it on the engine mount. Of course an ample piece of fire-sleeve will be appropriate.
Forum: COMM 05-03-2021, 03:01 PM
Replies: 8
Views: 551
Posted By Mel
That's exactly what we had on our C-124s. For...

That's exactly what we had on our C-124s.

For those unaware, the C-124 is NOT a Cessna!
Forum: RV General Discussion/News 04-27-2021, 06:01 AM
Replies: 29
Views: 1,949
Posted By Mel
I flew my -6 in Texas for over 25 years and never...

I flew my -6 in Texas for over 25 years and never had a problem.....HOWEVER, having said that, part of my pre-flight is to stick a pipe cleaner up into the vents to check for obstructions.
Forum: Flight Testing 04-26-2021, 03:19 PM
Replies: 1
Views: 410
Posted By Mel
F/P to F/P can be considered a major change if it...

F/P to F/P can be considered a major change if it is from a different mfg., different diameter/pitch, different material, substantial weight difference.

Basically if it significantly changes the W&B...
Forum: Flight Testing 04-26-2021, 12:18 PM
Replies: 5
Views: 285
Posted By Mel
Yes...........

Yes...........
Forum: Flight Testing 04-26-2021, 12:13 PM
Replies: 5
Views: 285
Posted By Mel
Phase I flight testing may be done by any pilot...

Phase I flight testing may be done by any pilot otherwise qualified to fly the aircraft. After completing the flight testing, the only paperwork is to make the appropriate logbook entry. It's all...
Forum: RV models of the future (RV-??) 04-23-2021, 05:36 PM
Replies: 28
Views: 2,747
Posted By Mel
Putting a nose gear on a Cub is like driving a...

Putting a nose gear on a Cub is like driving a convertible with the top down and the windows up! It may not be against the law, but it should be.
Forum: RV General Discussion/News 04-22-2021, 06:27 PM
Replies: 14
Views: 1,903
Posted By Mel
Several people I know recently got registration...

Several people I know recently got registration back within 7-10 days.
Forum: Traditional Aircraft Engines 04-22-2021, 07:07 AM
Replies: 9
Views: 536
Posted By Mel
The O-320-E2D has a hollow crank. It's not the...

The O-320-E2D has a hollow crank. It's not the crankshaft that keep it from using a C/S prop. It's the front main bearing and crankcase design.
Forum: RV-8/8A 04-16-2021, 06:52 AM
Replies: 24
Views: 3,421
Posted By Mel
My mistake. For some reason, I was thinking that...

My mistake. For some reason, I was thinking that the requirement was 180°.
Forum: RV-8/8A 04-15-2021, 01:13 PM
Replies: 24
Views: 3,421
Posted By Mel
Unfortunately this blocks off the view to the...

Unfortunately this blocks off the view to the left of your light, making night flight not in conformance with FARs.
Forum: Safety 04-14-2021, 07:48 PM
Replies: 59
Views: 7,106
Posted By Mel
One of the primary things I'm looking for is that...

One of the primary things I'm looking for is that the pressure vessel hasn't been compromised by installation of the interior. It's not uncommon to find that while putting in the interior, someone...
Forum: Safety 04-14-2021, 01:40 PM
Replies: 59
Views: 7,106
Posted By Mel
Actually a few E-AB A/W certificates can have an...

Actually a few E-AB A/W certificates can have an expiration. For example; if I do a pressurized aircraft, I will issue a 1 year certificate. I want to inspect the aircraft after the interior is...
Forum: RV-9/9A 04-14-2021, 07:22 AM
Replies: 6
Views: 754
Posted By Mel
It should be a castellated nut. This bolt is...

It should be a castellated nut. This bolt is subject to rotation, even though it is very minimal.
Forum: RV General Discussion/News 04-13-2021, 06:11 PM
Replies: 7
Views: 1,565
Posted By Mel
You may NOT use the "X" in the registration...

You may NOT use the "X" in the registration number on an RV-8 until the design is 30 years old. This same paragraph allows use of 2" numbers.
§Ref 45.22(b)(1)
Forum: Safety 04-13-2021, 01:51 PM
Replies: 59
Views: 7,106
Posted By Mel
I once had a gentleman call me and ask if I could...

I once had a gentleman call me and ask if I could do a Condition Inspection on his RV. He had just bought it and brought it here from out of state. I told him I didn't have the time right now and...
Forum: RV General Discussion/News 04-10-2021, 09:04 AM
Replies: 5
Views: 642
Posted By Mel
I just watched this video and the gentleman is...

I just watched this video and the gentleman is wrong on 1 point. To qualify for the repairman certificate the applicant must be listed as A primary builder but he/she does NOT have to build 51% of...
Forum: RV General Discussion/News 04-09-2021, 06:04 AM
Replies: 10
Views: 835
Posted By Mel
The statement of VFR Vs. IFR on the program...

The statement of VFR Vs. IFR on the program letter is not binding.

Your op lims should state that You may fly IFR if equipped and current per §91.205 as others have stated.
Forum: RV-7/7A 04-08-2021, 05:43 PM
Replies: 15
Views: 1,128
Posted By Mel
Both com antenna's on my -6 just forward of the...

Both com antenna's on my -6 just forward of the main spar couple inches inboard of the fuselage sides. Almost 30 years old and still working great. Never had a problem communicating with ground...
Forum: RV General Discussion/News 04-07-2021, 08:19 PM
Replies: 44
Views: 3,559
Posted By Mel
Current operating limitations contain the...

Current operating limitations contain the following paragraph:

Flight over a densely populated area or in a congested airway is authorized for the purpose of takeoff or landing; or when sufficient...
Forum: RV General Discussion/News 04-07-2021, 10:22 AM
Replies: 2
Views: 378
Posted By Mel
Primarily, prop/ground clearance.

Primarily, prop/ground clearance.
Forum: RV-7/7A 04-07-2021, 07:19 AM
Replies: 11
Views: 1,168
Posted By Mel
You are not required to change the model, but you...

You are not required to change the model, but you can if you wish. The procedure to change model is to amend your A/W and Op Lims and add a new data plate next to the original. Any DAR with the...
Forum: RV General Discussion/News 04-06-2021, 01:26 PM
Replies: 44
Views: 3,559
Posted By Mel
In a word....NO! to both questions.

In a word....NO! to both questions.
Forum: RV-8/8A 04-06-2021, 12:00 PM
Replies: 2
Views: 333
Posted By Mel
Just for clarity......

That would be "track". Wheel base is from front to rear.
Forum: RV General Discussion/News 04-06-2021, 10:29 AM
Replies: 44
Views: 3,559
Posted By Mel
That would be §91.319(d): "Each person operating...

That would be §91.319(d): "Each person operating an aircraft that has an experimental certificate shall--(3)Notify the control tower of the experimental nature of the aircraft when operating into or...
Forum: RV General Discussion/News 04-05-2021, 03:53 PM
Replies: 59
Views: 3,685
Posted By Mel
Yes, but in doing so, you will destroy it's...

Yes, but in doing so, you will destroy it's intended locking mechanism.
Forum: RV-12/RV-12iS 04-05-2021, 06:22 AM
Replies: 12
Views: 1,093
Posted By Mel
Conduct a pre-flight inspection.

Conduct a pre-flight inspection.
Forum: RV General Discussion/News 04-04-2021, 08:40 PM
Replies: 11
Views: 873
Posted By Mel
But they have since been updated!!!! I know.

But they have since been updated!!!! I know.
Forum: Traditional Aircraft Engines 04-04-2021, 02:27 PM
Replies: 44
Views: 4,125
Posted By Mel
Comparing aircraft engine longevity/oil change...

Comparing aircraft engine longevity/oil change intervals to autos is not exactly apples-to-apples.
For one thing, auto engines rarely run continuously at 75% power.
Forum: Traditional Aircraft Engines 04-04-2021, 09:52 AM
Replies: 44
Views: 4,125
Posted By Mel
Most automobiles have a recommendation to change...

Most automobiles have a recommendation to change oil at least annually.
Forum: RV-3 04-03-2021, 10:49 AM
Replies: 4
Views: 915
Posted By Mel
Actually Jeff & Chuck have sold that business. ...

Actually Jeff & Chuck have sold that business. I'll see if I can get the new guys contact info.
Forum: RV General Discussion/News 04-02-2021, 03:01 PM
Replies: 11
Views: 873
Posted By Mel
Explain Please?....... The paragraph concerning...

Explain Please?.......

The paragraph concerning major changes hasn't changed in over 15 years.
Forum: RV General Discussion/News 04-02-2021, 02:10 PM
Replies: 11
Views: 873
Posted By Mel
Any DAR with the proper function code (147 for...

Any DAR with the proper function code (147 for DAR-T or 57 for DAR=F) can amend you operating limitations. It's strictly a paperwork function. The aircraft must have a current condition inspection.
Forum: RV General Discussion/News 04-02-2021, 01:15 PM
Replies: 5
Views: 488
Posted By Mel
Actually the FAA Registration office gives...

Actually the FAA Registration office gives priority to original registrations and is currently turning them around pretty quickly. I registered my current aircraft last month and received it in less...
Forum: RV Building Tips/Techniques 04-02-2021, 01:06 PM
Replies: 6
Views: 1,397
Posted By Mel
Sorry, but this is backwards. The Airworthiness...

Sorry, but this is backwards. The Airworthiness Certificate must be displayed. Ref: §91.203(b)

The registration, Op Lims, and current W&B must be on board.
Forum: RV General Discussion/News 04-02-2021, 06:46 AM
Replies: 8
Views: 464
Posted By Mel
"Significant change" is a judgment call. I...

"Significant change" is a judgment call. I suspect that what you are proposing would be insignificant.
Forum: RV General Discussion/News 04-02-2021, 06:30 AM
Replies: 15
Views: 1,061
Posted By Mel
A WORD OF CAUTION..........

There is no need to include "LL" on fueling placards. The requirement is to include "Minimum Fuel Grade and Quantity". The regulations say nothing about lead content. If you have "LL" on your fuel...
Forum: RV General Discussion/News 04-02-2021, 06:20 AM
Replies: 8
Views: 464
Posted By Mel
Legally, anyone can maintain, repair, and even...

Legally, anyone can maintain, repair, and even modify an Experimental Amateur-Built aircraft.
Having said that, if you are not experienced at these kinds of things, I strongly recommend that you have...
Forum: RV-7/7A 03-31-2021, 07:32 AM
Replies: 2
Views: 731
Posted By Mel
Any time I'm working on aircraft, or working on...

Any time I'm working on aircraft, or working on anything around the House or Hangar, I wear bib overalls. No belts, no brads, etc, and lots of pockets.
Forum: RV models of the future (RV-??) 03-26-2021, 01:28 PM
Replies: 45
Views: 7,431
Posted By Mel
The RV-6 is by no means an outdated design. It...

The RV-6 is by no means an outdated design. It was simply replaced because the -7 could be built with already prepunched and prefabbed part from the RV-8 & -9, making it easier to kit and to build.
Forum: RV-7/7A 03-26-2021, 06:56 AM
Replies: 34
Views: 2,555
Posted By Mel
Yes, but so will a lower touchdown speed.

Yes, but so will a lower touchdown speed.
Forum: RV General Discussion/News 03-25-2021, 10:50 AM
Replies: 21
Views: 1,417
Posted By Mel
I typically give a 75nm radius for RVs except for...

I typically give a 75nm radius for RVs except for the -12 (55nm radius). The home airport need not be in the center of the circle, just within it. I also offer 1 airport outside the circle up to...
Forum: RV Ongoing Maintenance Issues 03-25-2021, 07:17 AM
Replies: 14
Views: 2,123
Posted By Mel
Just be sure and check your bag first. Not all...

Just be sure and check your bag first. Not all Walmart bags are "leakproof".
Forum: RV General Discussion/News 03-24-2021, 04:30 PM
Replies: 2
Views: 355
Posted By Mel
Isn't it for the wheel pant attach?

Isn't it for the wheel pant attach?
Forum: RV General Discussion/News 03-24-2021, 04:25 PM
Replies: 12
Views: 1,051
Posted By Mel
Congratulations Tom & Bonnie!

Congratulations Tom & Bonnie!
Forum: RV-10 03-24-2021, 02:17 PM
Replies: 39
Views: 3,109
Posted By Mel
In the U.S. the 51% qualification is determined...

In the U.S. the 51% qualification is determined by filling out the "Amateur-Built Fabrication and Assembly Checklist (2011) Fixed Wing"

This is a 10 page checklist found on the FAA website. It is...
Forum: RV General Discussion/News 03-24-2021, 06:11 AM
Replies: 5
Views: 710
Posted By Mel
As said before, Part 43 does not apply to...

As said before, Part 43 does not apply to experimental amateur-built aircraft, EXCEPT for the annual condition inspection, as specified in the operating limitations.

Most MIDO and/or FSDO inspectors...
Showing results 1 to 64 of 500

 
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