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Search: Posts Made By: terrye
Forum: Electrical Systems 04-07-2021, 05:48 PM
Replies: 7
Views: 259
Posted By terrye
Using TurboCAD to import Aeroelectric diagrams?

Haven't used Turbocad, but Autocad and Draftsight allow you to create a "block". Use "define block" or "make block". This allows you to select the line segments that are used for a symbol and save it...
Forum: RV General Discussion/News 03-31-2021, 11:50 AM
Replies: 8
Views: 1,200
Posted By terrye
RVs cleared for Unlimited aerobatics!

Wow! The "RV Series" in the IAC list includes the RV-9(A), RV-10, RV-12. Think I'll load up my RV-10 with full fuel, and 3 passengers and enter the next Unlimited aerobatic ;). Or maybe this offer...
Forum: Tip up canopy vs. Sliding canopy 03-27-2021, 01:27 PM
Replies: 14
Views: 765
Posted By terrye
Slider behind panel access ...

I think you are referring to removable panels just aft of the firewall but forward of the windshield. After many builders "rolled their own" Vans finally came out with a kit that includes the cutout...
Forum: Alternative Engines 03-24-2021, 11:32 AM
Replies: 58
Views: 6,901
Posted By terrye
OK Dan, I'll bite :D. It's not either of Liston's...

OK Dan, I'll bite :D. It's not either of Liston's books "Aircraft Engine Design" or "Powerplants for Aircraft". So what's the title and the author?
Forum: RV General Discussion/News 03-21-2021, 03:00 PM
Replies: 12
Views: 714
Posted By terrye
The first of many, many avionics questions

Have a look in the Garmin GTX 45R Installation Manual Section 3.7. It lists the specific approved brand and model XPDR antennas, and the specifications it must meet if using an antenna not on the...
Forum: Glass Cockpit 03-17-2021, 09:02 AM
Replies: 19
Views: 1,410
Posted By terrye
How to get started? Do I smell bad?

+1 for Aerotronics. Avionics is a journey. I started out asking them "what's the best EFIS?" And I got an education that continues to this day although my panel is now built. Not too soon to start...
Forum: Primers 03-16-2021, 04:40 PM
Replies: 8
Views: 1,001
Posted By terrye
Priming inside pushrods and torque tubes

Didn't prime, I used Chemetall Ardrox AV-8 anti corrosion preservative. Spray some in, let drain to bottom, invert and let it drain out. Leaves an anti corrosion film on the inside. I did this after...
Forum: Glass Cockpit 03-13-2021, 06:07 PM
Replies: 4
Views: 453
Posted By terrye
Garmin GMU-11 or GMU-22?

I went with the GMU-11. I'm pretty sure the -22 came out well before the -11 which may be why some people went with it. The -22 is bigger, heavier and more expensive. I think the -11 uses MEMS...
Forum: Canada 03-12-2021, 05:54 PM
Replies: 13
Views: 794
Posted By terrye
Tool suppliers in Canada?

Most of my air tools, pistol drill, 90* drill, 2x and 3x rivet guns, cutoff tool, came from a local industrial supplier carrying Atlas Copco tools. My pneumatic squeezer came from a local industrial...
Forum: Alternative Engines 03-11-2021, 09:19 AM
Replies: 1
Views: 412
Posted By terrye
NASA sponsored GAP Engine

I remember this program, and remain very disappointed in the outcome. I did a quick search, here's the official...
Forum: RV General Discussion/News 03-09-2021, 03:16 PM
Replies: 4
Views: 426
Posted By terrye
GMU-11

From the Garmin G3X and Touch Installation Manual Page B-2
"The typical GMU magnetometer mounting location in RV-7/9 aircraft is in the aft fuselage on the aft deck (F-714) just ahead of the...
Forum: RV General Discussion/News 03-04-2021, 09:00 PM
Replies: 17
Views: 2,408
Posted By terrye
Snow skis in an RV?

The two piece baggage bulkhead is structural. The aircraft should not be flown with either half removed. Just sayin'...
Forum: RV Building Tips/Techniques 03-03-2021, 11:56 AM
Replies: 22
Views: 1,407
Posted By terrye
How to read engineering drawings

My high school instructor had a very intuitive teaching aid. It was a three panel frame with screen within the frame. Each panel was square. Flattened out, it formed an 'L' shape, with a hinge where...
Forum: Tools 02-25-2021, 03:40 PM
Replies: 9
Views: 725
Posted By terrye
Newbie... Question about tool kits

Well, you don't NEED a lathe and mill, but they sure come in handy! I bought my small mill during the build specifically to make a custom firewall mounted fuel filter bracket, but I continued to use...
Forum: RV-9/9A 02-21-2021, 11:35 AM
Replies: 8
Views: 632
Posted By terrye
Stick length?

My panel is built and about 1-1/2" deeper than stock, but still doing wiring, so I'm not quite at the point of mounting my Infinity stick grips. I tried to lay out the stick geometry (fore and aft...
Forum: Canada 02-17-2021, 05:52 PM
Replies: 8
Views: 698
Posted By terrye
Primer-What are Canadian builders using for Primers?

PPG Super Koropon
http://www.ppgaerospace.com/Products/Coatings-Removers-Cleaners/Military/Primers/Super-Koropon%C2%AE-515-700-Fluid-Resistant-Interior-Pr.aspx

Both companies I bought from years ago...
Forum: RV-6/6A 02-13-2021, 09:23 PM
Replies: 9
Views: 791
Posted By terrye
GMU 11 mounting

Don't have pictures, but I mounted mine on the aft deck just in front of the vertical and horizontal stabilizer. It's mounted transversely with the mounting flange up against the aft bulkhead....
Forum: Alternative Engines 02-07-2021, 09:32 PM
Replies: 95
Views: 9,156
Posted By terrye
Jet-A Powerplant

I think you should check the performance figures at gross weight for the Lycoming powered RV-10. More than most 4 place airplanes, I think it has a superb combination and your worries about hot/high...
Forum: RV Building Tips/Techniques 02-02-2021, 02:53 PM
Replies: 53
Views: 7,874
Posted By terrye
Cork, rubber or just proseal tank gaskets??

I used NAS 1473 on my tanks. Typical engineer, always trying to improve "good enough". As usual, the law of unintended consequences kicked in. Been a while since I built my tanks, but I seem to...
Forum: Painting your RV 02-01-2021, 02:00 PM
Replies: 13
Views: 884
Posted By terrye
Matte paint

Higher aerodynamic drag! Research top speeds of WWII fighters with matte finish vs gloss or polished finish. It's significant. Also Reno racers. Personal taste, but BTW I hate the look. Every time I...
Forum: RV Building Tips/Techniques 01-29-2021, 01:57 PM
Replies: 10
Views: 864
Posted By terrye
Through the firewall?

I've had best luck drilling holes in the firewall with Hougen rotacut tools. Back up with a piece of...
Forum: RV General Discussion/News 01-27-2021, 08:58 AM
Replies: 11
Views: 1,081
Posted By terrye
Alternative fuel pumps

Recommend you stick with Andair, Airflow, or Weldon high pressure fuel pumps.
https://www.weldonpumps.com/weldon-fuel-pumps
Forum: Safety 01-25-2021, 01:52 PM
Replies: 18
Views: 2,537
Posted By terrye
Vne and Vno

I've noticed that the Reno racers, particularly the sport class with turbocharged engines, nitrous oxide injection, etc. regularly exceed the published Vne speeds for their particular airframes...
Forum: Alternative Engines 01-25-2021, 11:48 AM
Replies: 52
Views: 4,321
Posted By terrye
EV-6A: A Thought Experiment

Does anyone remember the CAFE/NASA Green Flight Challenge of 2011? It was won by the Pipestral Taurus G4. All electric, 4 passenger. As a comparison, the fuel weight of my RV is 32 gal x 6 lb/gal =...
Forum: Tools 01-23-2021, 12:43 PM
Replies: 9
Views: 1,117
Posted By terrye
How are dimpling dies made?

This would be a question for Mike Lauritson at Cleaveland Aircraft Tool.
Forum: Southeast 01-22-2021, 06:29 PM
Replies: 4
Views: 668
Posted By terrye
Inconel welder

The most common exhaust material is 321 stainless steel. Inconel is used for much higher temps.
Forum: Tools 01-16-2021, 12:52 PM
Replies: 10
Views: 1,317
Posted By terrye
Smooth blade tin snips?

You won't need them very much during the build, but you should have both. I'm very happy with my Malco "Andy" MC12 straight snips. Aluminum handles with steel blades, very light. Also happy with my...
Forum: Glass Cockpit 01-14-2021, 09:27 AM
Replies: 28
Views: 2,619
Posted By terrye
Thoughts on RV9A Panel

I see you have a slider canopy. Recommend you carefully check clearance between your center stack radios and the center longitudinal rib between the firewall and the panel. This rib is structural to...
Forum: RV Building Tips/Techniques 01-13-2021, 01:32 PM
Replies: 57
Views: 4,586
Posted By terrye
Snap-Soc

I mentioned Snap-Soc Rivet Set Caps in my previous post (for AN470 universal head rivets only). Here's a link. I found these much better than any kind of tape over the rivet set or the...
Forum: RV Building Tips/Techniques 01-13-2021, 10:19 AM
Replies: 57
Views: 4,586
Posted By terrye
analysis paralysis

1. Practice on the practice kit(s) not real parts. You can make some test pieces of "scrap" aluminum, drill some holes and fill them with rivets.
2. All parts or subassemblies should be secured prior...
Forum: Electrical Systems 01-11-2021, 08:06 AM
Replies: 29
Views: 1,836
Posted By terrye
14 guage power run ... what connector?

Not sure I understand. Does the connector have to be removable from the wire or do you just need a type of connector that is not bulky?

If the latter, how about a bullet/barrel...
Forum: RV General Discussion/News 01-08-2021, 02:51 PM
Replies: 5
Views: 918
Posted By terrye
Panel Changes

No, the panel is not "structural" in that the airplane flight loads are not carried through/by it. I categorize aircraft structure as "primary" and "secondary", and I would say the panel is a...
Forum: RV Building Tips/Techniques 01-06-2021, 11:02 AM
Replies: 6
Views: 795
Posted By terrye
Doubler/Backing Plate Questions... when are they needed?

The AC43.13 publication usually includes both the -1B and -2A Advisory Circulars. Most people don't get around to reading the back part of the book, the -2A part. The -2A refers to the "Aircraft...
Forum: Glass Cockpit 01-04-2021, 03:44 PM
Replies: 9
Views: 977
Posted By terrye
Storm Scopes / Strike Finders - What New Options Are There?

I'm installing a (used) WX-500 in my RV-9A (not flying yet). Didn't realize they were no longer in production. I wanted something that was not geographically limited. I found this link to XM weather,...
Forum: RV-9/9A 01-03-2021, 12:21 PM
Replies: 29
Views: 4,210
Posted By terrye
RV-9 /9A aerobatics

RV-9(A) are stressed to utility category +4.4/-1.76 G at solo weight and normal category +3.8/-1/52 G at gross weight. The aerobatic aircraft -3,-4-,-6,-7,-8 are stressed to aerobatic category +6/-3...
Forum: RV Building Tips/Techniques 01-03-2021, 10:42 AM
Replies: 15
Views: 1,214
Posted By terrye
Drilling wing to install OAT probe

I wanted to make sure the cable from the OAT probe did not interfere with the aileron push rod. I located the OAT probe somewhat aft of the centerline of the aileron tube (and the lightening hole it...
Forum: RV Building Tips/Techniques 01-02-2021, 01:28 PM
Replies: 15
Views: 1,214
Posted By terrye
Drilling wing to install OAT probe

Just finished doing mine, similar location. After a pilot hole, drilled 3/8" with a step drill. Located about 2" from rib flange. Maybe overkill, but I made a 0.062" x 2" diameter doubler and riveted...
Forum: RV Ongoing Maintenance Issues 12-31-2020, 09:11 AM
Replies: 14
Views: 1,522
Posted By terrye
Beringer RV-7A nose wheel reviews

I'm using the standard Vans nose wheel with the Matco axle (but not flying yet). This axle allows taper roller bearing adjustment independent of the tightness of the mounting thru bolt. The Beringer...
Forum: RV General Discussion/News 12-27-2020, 02:54 PM
Replies: 21
Views: 2,523
Posted By terrye
low pressure area at the lower rudder fairing?

If you run the tube down the pilot side gear leg and exit out of the trailing edge of the wheel pant, the run is shorter and gravity helps :D
Forum: RV-14 12-26-2020, 09:42 PM
Replies: 20
Views: 2,144
Posted By terrye
Looking for advice on riveting...

I decided early on not to buy cheap tools (of any kind) and then blame them for my lack of skill. It's easier to develop good skill with a good tool than with a poor tool. Based on that premise, I...
Forum: RV Building Tips/Techniques 12-23-2020, 09:46 PM
Replies: 22
Views: 1,917
Posted By terrye
Sub Panel Mod for Radios Stack

I'm at about the same stage as you, although I bought my panel prewired and tested from Aerotronics. Trying to "incrementally" cut the real subpanel was not going to work. So I looked on the Vans...
Forum: Safety 12-22-2020, 04:15 PM
Replies: 28
Views: 3,199
Posted By terrye
Oil Accumulator Burst

I probably shouldn't have made a reference to the "Moroso engineers" at all. And you're right, there are a lot of variables that may have contributed to the failure. But, as a first order...
Forum: Safety 12-22-2020, 12:14 PM
Replies: 28
Views: 3,199
Posted By terrye
Oil Accumulator Burst

You did a lot of calculations on the gas and oil pressure inside the accumulator. But you didn't relate these to the shearing force at the threads. You know the thread size and can guess the material...
Forum: RV-14 12-21-2020, 01:42 PM
Replies: 9
Views: 887
Posted By terrye
Step Drill Hole Centering

Hougen Rotacut sheet metal hole cutters are more precise in hole centering when cutting large holes in sheet...
Forum: Electrical Systems 12-18-2020, 10:38 AM
Replies: 7
Views: 949
Posted By terrye
New Project-Can I install a 121.5 ELT?

As Mel rightly says, there is no mandate in the US to install a 406/121.5 ELT. But after years of indecision, Canada has mandated it, although for recreational aircraft, the final implementation...
Forum: Canada 12-17-2020, 01:49 PM
Replies: 6
Views: 686
Posted By terrye
Electrical Tools/Parts in Canada

Digikey, Mouser, Newark. Shop them all online and select the best price. Also check minimum quantities to order, not all will supply all parts on a per each basis.
Forum: Canada 12-17-2020, 09:35 AM
Replies: 30
Views: 2,696
Posted By terrye
ADSB dual diversity

Yes. From reading the installation manual for my Garmin GTX 45R and discussing the possible diversity requirement for Canadian ADS-B with my avionics supplier, this is my understanding. For...
Forum: Canada 12-16-2020, 09:39 PM
Replies: 30
Views: 2,696
Posted By terrye
ADSB dual diversity

My remote Garmin GTX 45R has both frequencies of ADS-B on a belly mounted standard transponder antenna. This meets the current requirements for US ADS-B. For future diversity I installed and prewired...
Forum: ADS-B 12-16-2020, 12:11 PM
Replies: 2
Views: 676
Posted By terrye
Yes RG-400 is the best cable for the transponder...

Yes RG-400 is the best cable for the transponder antenna.
Forum: Alternative Engines 12-15-2020, 09:51 AM
Replies: 81
Views: 7,364
Posted By terrye
Tesla Electric powered RV

Not according to the COPA article:

"The batteries used in this prototype were lithium iron. This technology was selected as the batteries are less volatile than ordinary lithium ion batteries. The...
Forum: Alternative Engines 12-14-2020, 09:56 PM
Replies: 81
Views: 7,364
Posted By terrye
Tesla Electric powered RV

First flight of the electric Beaver was now over a year ago, practically in my back yard. A big splash of publicity in magazines and local TV news and then...nothing. I haven't heard of it being...
Forum: Alternative Engines 12-13-2020, 11:38 AM
Replies: 81
Views: 7,364
Posted By terrye
Limiting factor is VNE in true airspeed of the...

Limiting factor is VNE in true airspeed of the airframe at high altitude, not the engine power.
Forum: RV Building Tips/Techniques 12-04-2020, 06:54 PM
Replies: 4
Views: 686
Posted By terrye
Cutting hole in existing bulkhead

If using a hole saw use a good one meant for metal (not the cheap ones meant for wood). Like these
https://hougen.com/cutters/sheet-metal-hole-cutters/Rotacut-sheet-metal-hole-cutters.html

Use slow...
Forum: RV models of the future (RV-??) 11-30-2020, 09:59 PM
Replies: 25
Views: 5,420
Posted By terrye
The new RV shall be?

The RV-3, RV-4, RV-6(A), RV-7(A) and RV-8(A) all use the NACA 23013.5 airfoil (popular with lots of other planes including the DC-3 and Beech Bonanza).

The RV-9(A) uses a Roncz custom airfoil and...
Forum: RV General Discussion/News 11-30-2020, 02:17 PM
Replies: 12
Views: 1,251
Posted By terrye
5052-O Fuel Tube Age Hardening?

Thru the firewall I only use steel AN fittings. Forward of the firewall and only between firewall mounted equipment I only use stainless steel tubing. Between the firewall and the engine I only use...
Forum: RV General Discussion/News 11-30-2020, 10:19 AM
Replies: 5
Views: 847
Posted By terrye
Welding chromated aluminum

Welded aluminum fuel tanks are usually 5052-O or 5052-H32, both are weldable.
Forum: RV General Discussion/News 11-30-2020, 10:15 AM
Replies: 12
Views: 1,251
Posted By terrye
5052-O Fuel Tube Age Hardening?

The tubing that Vans supplies is 3003-O and is very soft (not very strong either) and usually supplied in a coil. 5052-O from Aircraft Spruce is supplied in straight lengths and is much harder and...
Forum: Alternative Engines 11-29-2020, 12:03 PM
Replies: 15
Views: 2,412
Posted By terrye
Corsair Power engine for 172

Look for an upcoming article in the February 2021 Aviation Consumer
Forum: Traditional Aircraft Engines 11-27-2020, 05:02 PM
Replies: 37
Views: 3,221
Posted By terrye
Intermittent power loss - high RPM

Avgas or Mogas? Fuel boost pump running or not? You mention 18 gpm, but what is the fuel pressure at the servo?
Forum: RV Building Tips/Techniques 11-24-2020, 12:55 PM
Replies: 6
Views: 856
Posted By terrye
Trailing Edge Wedge Protusion Question

I filed all of my trailing edge wedge protrusions flush with the top and bottom skins. I think the control surface sensitivity comes mostly from the RV-6 type ailerons where there is a rounded...
Forum: Traditional Aircraft Engines 11-09-2020, 04:56 PM
Replies: 21
Views: 3,689
Posted By terrye
Idler shaft mount worn, help guys this really has me spooked.

My understanding of welding aluminum castings (typically alloy 356) is that yes, they are weldable, but unless re-heat treated, the weld is not as strong as the original heat treated casting. The...
Forum: RV Ongoing Maintenance Issues 11-07-2020, 09:12 AM
Replies: 14
Views: 1,588
Posted By terrye
Andair Fuel Filter O-ring

Most metric o-rings have their size coded into the part number. If I were to guess an OR030x15 would be 30 mm inside diameter x 1.5 mm thickness (o-ring cord diameter). Measure one and see if this is...
Forum: RV-7/7A 10-31-2020, 09:24 PM
Replies: 18
Views: 3,326
Posted By terrye
Ruh-roh: firewall flange to bottom skin rivets

The engine mount to fuselage bolts are among the most critical bolts in the whole airplane. You have installed them, torqued them, and they are happy where they are. If you remove the nuts, I'd...
Forum: RV-7/7A 10-31-2020, 03:38 PM
Replies: 18
Views: 3,326
Posted By terrye
Ruh-roh: firewall flange to bottom skin rivets

Yep, just went through this myself. Another OH S...T moment. I was able to get all of the AN426AD3 rivets set with a shallow no hole yoke on my rivet squeezer except two of the rivets. But it was a...
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