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Search: Posts Made By: fixnflyguy
Forum: Southeast 04-14-2019, 05:04 PM
Replies: 3
Views: 185
Posted By fixnflyguy
Mikey Mathews ..

Hi Craig, I can recommend Mikey Mathews at Acrodynamics based at Lake Norman Airpark . He has helped several in the region, and has plenty of RV time. There are others around as well and I'm sure...
Forum: RV Building Tips/Techniques 04-12-2019, 04:47 AM
Replies: 13
Views: 1,289
Posted By fixnflyguy
A couple things..

Welcome to reamer 101! At my day job, we run reamers well over 2" diameter all day long. Reamers are very brittle due to hardness,and will not handle even the slightest of side loading well. The only...
Forum: RV General Discussion/News 04-08-2019, 12:24 PM
Replies: 28
Views: 2,264
Posted By fixnflyguy
Need a horn

I have seen several RV's (that fly) with horns, and I have one going on mine soon..perfect place to use one! The little Harley horn weighs nothing and is very loud. A couple years ago, a guy was...
Forum: RV-4 04-05-2019, 05:18 AM
Replies: 5
Views: 680
Posted By fixnflyguy
A couple things..

Having built my -4 and working in the field of heavy aircraft structural repair I can offer some points. A new wing kit from vans will include the spars/splice plates, and center fuselage bulkhead,...
Forum: RV General Discussion/News 04-04-2019, 04:11 AM
Replies: 12
Views: 1,012
Posted By fixnflyguy
Use it

My day job is keeping the KC10 fuel tankers flying...we use Proseal by the truckloads. A month is nothing, and I have used "expired" sealant that is 2 years past date with no issues.
Forum: RV General Discussion/News 03-28-2019, 10:59 AM
Replies: 45
Views: 3,922
Posted By fixnflyguy
Way back when I ordered

It's been a while, but when I bought my subkits for my -4, I had them shipped to the transfer station where things go from semi truck, to delivery truck and I picked them up on the dock about 50...
Forum: RV-4 03-11-2019, 06:14 AM
Replies: 3
Views: 585
Posted By fixnflyguy
What I did..

I put one on each side under cheek through fuselage skin. I didn't run any ducting to panel, but rather just put the eyeball vents on the flange of the NACA vent, so I reach down by my knee/shins to...
Forum: Reviews 03-08-2019, 07:05 AM
Replies: 3
Views: 652
Posted By fixnflyguy
I Like!

For years, I have used an old pair of tube socks (Probably from the '80's) that I managed to get stretched out long enough to cover my blades...but I see I need to get something little more...
Forum: RV General Discussion/News 03-05-2019, 08:29 AM
Replies: 9
Views: 958
Posted By fixnflyguy
Plans or Quickbuild...

Better get your marketing hat on, I think there will be inquiries! I'm already studying the cordless option and such. Most importantly though, what kind of primer are you going to use??
Forum: RV General Discussion/News 02-28-2019, 06:21 AM
Replies: 7
Views: 551
Posted By fixnflyguy
Go see Mikey Mathews

You are in a great location to see Mikey up at Lake Norman Airpark...he is top notch Acro guy with lots of RV experience. Take my word, it will be worth your time. Acrodynamics..I'm sure others will...
Forum: RV General Discussion/News 02-25-2019, 10:21 AM
Replies: 12
Views: 891
Posted By fixnflyguy
What I have seen..

For what its worth,
In my almost 40 years of Heavy aircraft maintenance, I have seen both types of construction and what it takes to MFG and repair both. Anyone whom ever worked on the Fokker F-28...
Forum: RV Ongoing Maintenance Issues 02-21-2019, 06:12 AM
Replies: 14
Views: 1,425
Posted By fixnflyguy
Downtime mitigation

I am a big fan of what we refer to as "Progressive Inspection", which is what I perform on my personal aircraft..I don't like my plane torn completely apart for days, and the RV by design is about as...
Forum: RV General Discussion/News 02-18-2019, 04:42 AM
Replies: 18
Views: 2,185
Posted By fixnflyguy
We are in !!

Wife says we are in! After all, we got married in our -4, and she loves OSH..Looking forward to it!
Forum: RV General Discussion/News 02-14-2019, 06:35 AM
Replies: 31
Views: 2,210
Posted By fixnflyguy
Very important..

Mine is actually a double flat braided ground strap that shares the same lugs. I liberated it from an airliner component ground, but it is quite redundant in the event one would break. Keep in mind,...
Forum: Primers 02-13-2019, 07:03 AM
Replies: 6
Views: 945
Posted By fixnflyguy
Edges are most important..

On Alclad sheets, the edges (including holes) are the most important areas for protection. That is where 99% of corrosion will start. Think of it a sheet of plywood left in the rain..the edges will...
Forum: RV General Discussion/News 02-13-2019, 04:30 AM
Replies: 2
Views: 509
Posted By fixnflyguy
What I do.

Find large area rubber grommets, cut to slip over fuel lines and seal in place with RTV or make from dense foam rubber disc with slot cut like a grommet . I have done both methods many times. The...
Forum: RV-4 02-12-2019, 05:19 AM
Replies: 24
Views: 2,414
Posted By fixnflyguy
What I did..

On my -4, I made a simple wood mold that mimicked the rib shape and depth. I took my completed elevator, minus the weight and set up on balance point, then filled baggie with lead shot and taped to...
Forum: Traditional Aircraft Engines 02-05-2019, 06:17 AM
Replies: 19
Views: 2,672
Posted By fixnflyguy
You just said it..50% more volume..Its just plane...

You just said it..50% more volume..Its just plane old math. Prop size/weight isn't much different,compression ratio is just the math multiplication factor for volume, but the amount of air compressed...
Forum: RV Building Tips/Techniques 01-31-2019, 05:34 AM
Replies: 9
Views: 1,094
Posted By fixnflyguy
I did it..

25 years ago when my son Dillon was born and my -4 was just a dream, all the nay-sayers told me "well I guess you will have to wait til he is 18 to get started"..so,by the time he was 18 mos old, I...
Forum: RV-4 01-29-2019, 05:03 AM
Replies: 6
Views: 878
Posted By fixnflyguy
Vetterman 4 Pipe..

As others have said, go with the Vetterman 4 pipe...you will get proper fit,sound,and reliability.
Forum: RV-4 01-29-2019, 05:01 AM
Replies: 3
Views: 499
Posted By fixnflyguy
I have electric trim on my -4, and if I recall, I...

I have electric trim on my -4, and if I recall, I used same arm as would be used for manual trim. I have no shortage of trim, and never use full travel. I find that my "nose down trim" is far more...
Forum: Southeast 01-15-2019, 06:17 AM
Replies: 3
Views: 402
Posted By fixnflyguy
There is an RV build assist guy based at KTTA who...

There is an RV build assist guy based at KTTA who could advise, but I cant recall his name. I was there last year and he had several RV's in work ,seemed to know all the availability on the field.
Forum: RV General Discussion/News 01-14-2019, 07:51 AM
Replies: 3
Views: 566
Posted By fixnflyguy
I do

I have the 4 pipe Vetterman on my -4, with 2 injectors on the 2 outboard pipes. My smoke is decent, but typical of the single pipe-per-cylinder set-ups, I have a series of puffs...funny to watch in...
Forum: RV General Discussion/News 01-14-2019, 05:03 AM
Replies: 29
Views: 2,850
Posted By fixnflyguy
I made mine

I made my quadrant for my -4..its relatively easy, and I have the exact look I was after. I can't post pics (my firewall doesn't allow host sites) but I could send pictures to Email if your...
Forum: RV-4 01-02-2019, 05:00 AM
Replies: 4
Views: 608
Posted By fixnflyguy
Just a fairing

It is simply a transition fairing with no structural value that blends the "square" fuselage to the radius of the belly skins . You could make and install one using solid or blind rivets. If I...
Forum: Southeast 12-24-2018, 05:00 AM
Replies: 7
Views: 974
Posted By fixnflyguy
Mikey Mathews

As Bill R. said..Acro Dynamics,based at Lake Norman Airport. Mikey is the guy there. He has done several RV guys, and has a wealth of knowledge in TW and Acro. Can't go wrong.. Where in central NC...
Forum: RV General Discussion/News 12-21-2018, 08:09 AM
Replies: 9
Views: 739
Posted By fixnflyguy
Inspection Cover?

I'm a little confused as to what RV fuel tank has an inspection cover? The only time a fuel tank needs "opened" is when a fuel sender goes out or there is a leak. Likely with today's nifty phone...
Forum: RV General Discussion/News 12-19-2018, 11:12 AM
Replies: 9
Views: 1,228
Posted By fixnflyguy
What I do..

Pretty common for them to pull through soft material. Ultimately, the "hollow" portion will support the fiberglass fairlead. I always install these type items with Proseal on the mating surface, and...
Forum: RV Friends Who Have Passed On 12-12-2018, 08:05 AM
Replies: 11
Views: 3,462
Posted By fixnflyguy
Robert Anglin

To all who know or have met Robert Anglin, RV8A and frequent poster on VAF, he passed away yesterday evening while working on his aircraft in his hangar at 8A7. I know Robert was well known in the...
Forum: RV-6/6A 12-12-2018, 06:18 AM
Replies: 3
Views: 912
Posted By fixnflyguy
What I did

I built a -4, same basic gear as you have. I installed the wood stiffeners on both the front and back of the gear leg, bedded in proseal and then wrapped with fiberglass. My fairings are pretty tight...
Forum: RV-4 12-05-2018, 06:56 AM
Replies: 4
Views: 750
Posted By fixnflyguy
Correct, I did not use any pull rivets at...

Correct, I did not use any pull rivets at all...100 % solid driven rivets. If dimpling, I would dimple all 3 layers..skin, doubler ,and rib. Probably wouldn't hurt to dimple the skin, countersink the...
Forum: RV-4 12-05-2018, 04:43 AM
Replies: 4
Views: 750
Posted By fixnflyguy
What I did

Since the wing skins are .032", I chose to countersink all my -3 rivet locations, and actually, I did not use factory skins, but made my own full length .032" upper skins with no mid-span splice....
Forum: RV General Discussion/News 12-04-2018, 11:02 AM
Replies: 23
Views: 1,306
Posted By fixnflyguy
Al/Ti interface

To throw another technical aspect in the mix..The Titanium Hiloks most often used are aluminum coated from production which is identified in the part number code (K on Boeing hardware), and gives the...
Forum: RV General Discussion/News 12-04-2018, 05:06 AM
Replies: 23
Views: 1,306
Posted By fixnflyguy
My reason for using Titanium

As I mentioned in my earlier post, the Titanium only saved me a couple pounds AT BEST, but as used in virtually every commercial airliner construction for the last 20 years, the aluminum coated...
Forum: RV General Discussion/News 12-03-2018, 04:38 AM
Replies: 23
Views: 1,306
Posted By fixnflyguy
KLX Aerospace

I work in the heavy aircraft overhaul business, and we currently use KLX Aerospace for most of our fastener procurement. My RV-4 is built with Titanium Hiloks in almost every location that an AN bolt...
Forum: RV General Discussion/News 12-02-2018, 03:56 PM
Replies: 23
Views: 3,076
Posted By fixnflyguy
My -4 canopy skirt caused that when a piece of...

My -4 canopy skirt caused that when a piece of seal slipped out of place. Took me a while to figure it out, but stepping on the rudder at speed would change it as well as overall speed and vent...
Forum: RV General Discussion/News 12-01-2018, 05:27 AM
Replies: 13
Views: 3,287
Posted By fixnflyguy
I have the MAC grip with 4 trim buttons, and 2...

I have the MAC grip with 4 trim buttons, and 2 momentary on switches on top for trims/flaps. Have the trigger button for PTT. I used the little placards supplied, but they quickly became hard to see...
Forum: RV General Discussion/News 11-21-2018, 05:28 AM
Replies: 29
Views: 2,484
Posted By fixnflyguy
couple more things..

I work in Heavy aircraft overhaul, and have used these products for years..you learn some simple things I used doing my -4 (100% AXZO primed inside and out). First off, spray gun isn't always the...
Forum: RV-4 11-20-2018, 04:38 AM
Replies: 6
Views: 982
Posted By fixnflyguy
Send Pat a PM

Just send Pat a PM. I have known him for nearly 30 years, and he has built a -4,-6,-7 and helped many others. He has surely got the answers and is always willing to help. I also have built a -4, and...
Forum: RV-4 11-15-2018, 11:31 AM
Replies: 15
Views: 1,915
Posted By fixnflyguy
I have one on both sides

I put the NACA vents on both sides of my-4, just below the cheeks, and both produce strong airflow. I don't notice a difference between the 2. Because the panel space is limited on the -4 and I...
Forum: RV General Discussion/News 11-14-2018, 04:59 AM
Replies: 21
Views: 1,820
Posted By fixnflyguy
Ditto on Dan's suggestion

Exactly what I would do, and have done many times. If your panel has access behind it, stuff some rags in there to catch dust,or tape a plastic cup behind it. and if you have an assistant, hold a...
Forum: RV-4 11-02-2018, 04:32 AM
Replies: 5
Views: 797
Posted By fixnflyguy
Plastic push-ins

I used the plastic grommets that came with the kit for internal line runs. Small hole, and they slip right over the vent lines. I installed mine with a dab of Proseal and they are there for life, and...
Forum: RV-4 10-31-2018, 04:40 AM
Replies: 7
Views: 987
Posted By fixnflyguy
What I did..

Seems every -4 is a little different, and as mentioned, you will need to wait until final assembly to see exactly how your fit will be. I actually trimmed my overhangs off, and fabricated extensions...
Forum: RV-4 10-30-2018, 11:01 AM
Replies: 6
Views: 707
Posted By fixnflyguy
RV-4 plans revisions are few

I'm also going to "guess" VAN's would not make changes to the -4 plans unless there was safety issue,since production is low, and the majority of builds are utilizing the original call-outs. Doubtful...
Forum: RV-4 10-30-2018, 04:55 AM
Replies: 6
Views: 707
Posted By fixnflyguy
Many variations

There are many variations found in the field of RV-4's, but be sure you understand the slot mod not shown on all plans. That fitting handles wing twisting loads, but must be able to "slip apart" in...
Forum: RV-4 10-21-2018, 05:34 PM
Replies: 9
Views: 858
Posted By fixnflyguy
Easy as others say.

Never had a sucker on mine. Made my plate from 1/4" aluminum, home made gasket.
Forum: RV General Discussion/News 10-09-2018, 07:41 AM
Replies: 8
Views: 1,108
Posted By fixnflyguy
O-320H2AD and Sterba prop on my -4

I have an O320-H2AD and Sterba prop on my RV-4, and I absolutely love it. I built my engine myself, removed from a 172, and the Sterba, pitched for climb keeps my top end slightly low, but...
Forum: RV General Discussion/News 10-09-2018, 04:54 AM
Replies: 13
Views: 1,235
Posted By fixnflyguy
A couple things I have observed..

While this Proseal discussion is hard to give a direct answer to, I will tell you my experiences as an A&P working in the heavy aircraft and GA industry for 38 years, and probably have personally...
Forum: RV-4 10-04-2018, 08:08 AM
Replies: 15
Views: 2,590
Posted By fixnflyguy
In the assembly manual

When I built my -4, there was an assembly manual that contained foldout pages which had the rivet layouts for the wings as well as other items. i'm not sure if these are on the digital versions now...
Forum: RV-4 10-03-2018, 11:20 AM
Replies: 9
Views: 1,290
Posted By fixnflyguy
Oil cooler location?

Keep in mind, if you install an oil cooler behind #4, that will require some custom work. I have an O320H2AD engine, which isn't like any of the other O320's, so my entire baffle build was from...
Forum: Acts of Charity (using your RV) 09-27-2018, 08:46 AM
Replies: 6
Views: 2,936
Posted By fixnflyguy
There have been several such flights from our...

There have been several such flights from our airport (8A7) in central NC, that delivered supplies to various Florence affected areas. From the PIREPS of those guys most airports down that way had...
Forum: RV-4 09-27-2018, 08:40 AM
Replies: 41
Views: 7,715
Posted By fixnflyguy
I have inspected RV-4's that had screws in place...

I have inspected RV-4's that had screws in place of the rivets. I suspect this because the builder felt the pop rivets were substandard and didn't realize the zipper importance.
Forum: RV General Discussion/News 09-27-2018, 04:49 AM
Replies: 5
Views: 1,348
Posted By fixnflyguy
If in NC..

We would love to be part of it if you visit NC. My wife and I have both met Dick in OSH (like many others) and we shared our story of getting married in our RV-4 with a formation of 5 planes over our...
Forum: RV-4 09-26-2018, 10:32 AM
Replies: 19
Views: 2,411
Posted By fixnflyguy
My CG/max PAX

200 max in my -4 ,and as others have said, I don't like heavy backseater with less than half fuel. The difference between a 115 and 200 lb will feel significant. Be aware, your pitch control will be...
Forum: RV-10 09-25-2018, 05:36 AM
Replies: 23
Views: 4,443
Posted By fixnflyguy
Aileron hinge position

So, the aileron hinge issue can in fact cause what you have. Stand in front of the plane and get the ailerons in neutral, look along the bottom surface of the wing skin and see if you have an...
Forum: Tools 09-20-2018, 07:12 AM
Replies: 13
Views: 1,725
Posted By fixnflyguy
Nice to have

Though you may not need one much, I find the old bandsaw to be a great shop addition. I use mine alot..though building my -4 it was a MUST, there are many uses. I picked up a like new Crafstman 12"...
Forum: RV General Discussion/News 09-19-2018, 06:28 AM
Replies: 20
Views: 3,593
Posted By fixnflyguy
Dave Anders..

I'm sure you know of Dave Anders , and his very fast,very good at everything RV-4. If you don't, just spend a couple hours searching the forum and reading up. I doubt there is a faster RV-4 on the...
Forum: RV Building Tips/Techniques 09-18-2018, 11:31 AM
Replies: 9
Views: 861
Posted By fixnflyguy
A couple things..

Try dropping down to a -3 or 3.5 length and if your back riveting, use a 1/8th universal head set for the bucktail (makes nice domed tail). Don't worry about meeting the "spec" shop head you would...
Forum: RV General Discussion/News 09-18-2018, 10:56 AM
Replies: 8
Views: 1,657
Posted By fixnflyguy
3000 series

Beer cans are 3000 series aluminum alloy..Not very corrosive at all...not very strong either, but at least you can crush them on your forehead. Wouldn't make a good plane, but that is why our skins...
Forum: RV General Discussion/News 09-17-2018, 07:42 AM
Replies: 8
Views: 666
Posted By fixnflyguy
Make your own..

When I built my -4, I didn't like the market available quadrants and wanted a slim 2 lever that would hide in my side panel. I made my own from some scrap aluminum and used 1/4" phenolic sheet I cut...
Forum: RV-4 09-17-2018, 05:47 AM
Replies: 10
Views: 1,011
Posted By fixnflyguy
Try this...

I work in the commercial jet MRO business and extensively with structures. Often, we have large parts or repairs that can't be alodined per the dip/submerged procedure that people are most focused...
Forum: Traditional Aircraft Engines 09-13-2018, 06:52 AM
Replies: 19
Views: 2,672
Posted By fixnflyguy
Normal for mine..

I am running an O-320H2AD/1600 hp with a Sterba wood prop, and idle at 600-650 is rough. I have it set for that only to allow me to throttle way back, but I keep my idle around 800 RPM on ground to...
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