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Search: Posts Made By: rmartingt
Forum: RV General Discussion/News 12-07-2018, 07:51 PM
Replies: 25
Views: 1,897
Posted By rmartingt
Both of you should go sit in them first. If you...

Both of you should go sit in them first. If you can find someone patient enough, sit in them a while together. See what you think. I know Iím about climbing the walls after about 30 minutes in...
Forum: RV-14 12-06-2018, 02:48 PM
Replies: 20
Views: 1,481
Posted By rmartingt
I did my tailwheel transition in my dadís RV-6...

I did my tailwheel transition in my dadís RV-6 with about 60 hours under my belt.
Forum: Safety 12-04-2018, 04:32 AM
Replies: 25
Views: 3,159
Posted By rmartingt
The other airplane (camera ship) looks awfully...

The other airplane (camera ship) looks awfully familiar... ;)
Forum: Fuel Injection Systems 11-29-2018, 04:55 AM
Replies: 52
Views: 7,005
Posted By rmartingt
Is the ďupgradeĒ to EM-6 offer from Post 1 going...

Is the ďupgradeĒ to EM-6 offer from Post 1 going to be available to 2019 purchasers as well? Iím still several months from needing to order so Iím trying to find out if I should order now or wait...
Forum: Electrical Systems 11-28-2018, 09:19 PM
Replies: 15
Views: 1,223
Posted By rmartingt
I have a sheet built up with all of these. I'm...

I have a sheet built up with all of these. I'm also using this:
http://www.sdsefi.com/sdscurrentchart.pdf

As well as these references from the SDS installation manual:





That's part of my...
Forum: Electrical Systems 11-24-2018, 07:06 PM
Replies: 15
Views: 1,223
Posted By rmartingt
That's my thinking as well--locking switches for...

That's my thinking as well--locking switches for engine bus power, coil power, and fuel pump power. I don't need everything else to be locking.


That's my intent. Part of the problem is all I have...
Forum: Electrical Systems 11-24-2018, 12:13 PM
Replies: 15
Views: 1,223
Posted By rmartingt
Switch selection

Now that I've settled on a general power architecture, I'm really starting to sit down and plan out my electrical system in detail. Part of that involves choosing switches. I have some aesthetic...
Forum: My RV Build Project 11-22-2018, 10:37 AM
Replies: 30
Views: 16,351
Posted By rmartingt
The left side is; I'll trim it when the wings...

The left side is; I'll trim it when the wings come off to eliminate contact but I'm not messing with it just to fix something that's within tolerance.
Forum: My RV Build Project 11-22-2018, 05:15 AM
Replies: 30
Views: 16,351
Posted By rmartingt
Well, technically forward-swept wings donít...

Well, technically forward-swept wings donít automatically make for an unstable airframe, from the pilot-controllability standpoint at least. Thatís a function of change in pitching moment with...
Forum: My RV Build Project 11-21-2018, 03:28 PM
Replies: 30
Views: 16,351
Posted By rmartingt
The tolerance for sweep per the Mothership is...

The tolerance for sweep per the Mothership is 1/2in. I'm within tolerance, so I'm not going through this exercise again. Tolerances exist for a reason.
Forum: My RV Build Project 11-20-2018, 01:28 PM
Replies: 30
Views: 16,351
Posted By rmartingt
https://lh3.googleusercontent.com/_HUfQ5nS8IMPMai5...

https://lh3.googleusercontent.com/_HUfQ5nS8IMPMai5MwDjH9oteXVi4mjSUJ6BNNRiogvGL8gRBE4kfQ-_0n_ffO1S6HdYydZLfLDgiXEUEalPKD_q_dFrAnGUBPDRnROUqDc7JT5W7vnd2bWm8I5SopXpP46Cs5LVKBqMDYEuTXDo95lloEZwHbKJFgffKl...
Forum: RV General Discussion/News 11-14-2018, 04:40 AM
Replies: 14
Views: 988
Posted By rmartingt
You used to see it some on civil aircraft, too. ...

You used to see it some on civil aircraft, too. IIRC the first 747 had a flat black area in front of the cockpit windows.

Iím planning it for my airplane, but almost purely for cosmetic reasons. ...
Forum: RV-7/7A 10-27-2018, 06:55 PM
Replies: 11
Views: 806
Posted By rmartingt
Well, at least my pushrods are already in the...

Well, at least my pushrods are already in the wings.

I've managed to get a couple of coworkers on board by bribing them with beer afterward, so once I get the shop rearranged we'll try to get the...
Forum: RV-7/7A 10-27-2018, 02:49 PM
Replies: 11
Views: 806
Posted By rmartingt
The plan is to have the roll-up doors open for...

The plan is to have the roll-up doors open for installing the wings so that won't be an issue. My concern is being able to close the doors. Fuselage is on a rolling cart that I'll chock in place...
Forum: RV-7/7A 10-27-2018, 12:58 PM
Replies: 11
Views: 806
Posted By rmartingt
Ooooh, that's going to be tight...might only have...

Ooooh, that's going to be tight...might only have 2-3 inches on each wingtip if I go crosswise. Guess I'll be playing on Visio a bit more to see if there's another way I could fit it in...
Forum: RV-7/7A 10-27-2018, 12:25 PM
Replies: 11
Views: 806
Posted By rmartingt
Thanks, but that's just the one wing. I'm...

Thanks, but that's just the one wing. I'm looking for wingspan with both wings installed but the tips off...
Forum: RV-7/7A 10-27-2018, 11:08 AM
Replies: 11
Views: 806
Posted By rmartingt
Exact wingspan with wingtips OFF?

Anyone happen to know the exact wingspan with the wingtips off? I'm planning to temporarily fit the wings to do fuel and flight control runs and drill up the rear spar and fairings, and I want to...
Forum: RV-14 10-27-2018, 10:59 AM
Replies: 13
Views: 1,013
Posted By rmartingt
The spare longerons would be for the...

The spare longerons would be for the fuselage--your wing kit will ship with the two you need (they're in the box with the spars) but many people like to order a spare or two with the wings, in case...
Forum: RV-14 10-27-2018, 06:52 AM
Replies: 13
Views: 1,013
Posted By rmartingt
Definitely get tank sealant; last I checked Van's...

Definitely get tank sealant; last I checked Van's carries it about the same price as Spruce et al... but you get twice as much for your money. It's also a good time to get spare longerons if you...
Forum: RV General Discussion/News 10-16-2018, 01:03 PM
Replies: 11
Views: 582
Posted By rmartingt
You donít need the specific part number Vanís...

You donít need the specific part number Vanís carries. The tank sealant meets AMS-S-8802 (aka MIL-S-8802); any sealant that meets the spec will work.

Youíll see some number like B-1/2 or B-2 at...
Forum: RV General Discussion/News 10-11-2018, 10:23 AM
Replies: 45
Views: 4,804
Posted By rmartingt
"Just make the tanks bigger" is a lot more easily...

"Just make the tanks bigger" is a lot more easily done on a slow-build 4 or 6. Much more difficult on a later kit because the spar is pre-punched for rivets outboard.

Separate leadung edge tanks a...
Forum: RV General Discussion/News 10-08-2018, 08:45 AM
Replies: 19
Views: 3,592
Posted By rmartingt
It will be interesting to see how this all pans...

It will be interesting to see how this all pans out. I'm trying to be optimistic, but after seeing how the Part 23 rewrite fell out and comparing it to the Part 23 Reorganization ARC report, and...
Forum: Steam Gauges 10-06-2018, 06:08 AM
Replies: 6
Views: 1,869
Posted By rmartingt
I suspect sales probably dropped to almost...

I suspect sales probably dropped to almost zero... almost everyone is installing an EFIS of some kind now.
Forum: Interiors 10-05-2018, 04:39 AM
Replies: 97
Views: 54,548
Posted By rmartingt
How much space is there between an installed pair...

How much space is there between an installed pair of Aviator seats in an Rv-7? Looking at an easily-removable armrest/console and don't want to make it too wide...
Forum: RV-10 10-01-2018, 11:39 AM
Replies: 45
Views: 4,334
Posted By rmartingt
This statement is not true. ... Even more so,...

This statement is not true.
...
Even more so, what wears an engine out is not the continuous at-power operation, but the duty cycles themselves. If operated at a continuous rpm and load, just about...
Forum: RV-10 09-30-2018, 04:00 PM
Replies: 45
Views: 4,334
Posted By rmartingt
Not the "car engines can't hold an airplane duty...

Not the "car engines can't hold an airplane duty cycle" canard again <facepalm>

The reason "traditional" airplane engines tend to be fairly successful when installed by amateur builders, yet we...
Forum: RV General Discussion/News 09-24-2018, 04:52 PM
Replies: 68
Views: 7,495
Posted By rmartingt
It's worth noting that AP disconnect on the...

It's worth noting that AP disconnect on the stick/wheel is basically a requirement for certified aircraft.

Part 23 (yes, I know Part 23 has been redone... )


Part 25:
Forum: RV General Discussion/News 09-23-2018, 08:52 AM
Replies: 68
Views: 7,495
Posted By rmartingt
My plan right now is Infinity grips, as...

My plan right now is Infinity grips, as follows:

Trigger = Com 1 PTT
Hat = Pitch/roll trim
RH thumb = flaps
LH thumb = Com 1 flip/flop (very useful in formation flight)
Lower thumb = AP...
Forum: Southeast 09-23-2018, 04:34 AM
Replies: 11
Views: 804
Posted By rmartingt
Thanks again for all of the responses! I'll be...

Thanks again for all of the responses! I'll be in touch via PM over the next couple weeks as I try to sort out times.
Forum: Southeast 09-21-2018, 01:03 PM
Replies: 11
Views: 804
Posted By rmartingt
I know Vic through my dad, so next time I see him...

I know Vic through my dad, so next time I see him I'll ask about it. Thanks!


I've spoken to Ed online and seen him before, but we've never actually spoken in person. Maybe I'll drop him a...
Forum: Southeast 09-21-2018, 08:03 AM
Replies: 11
Views: 804
Posted By rmartingt
GRT, G3X Touch, or AFS near Savannah/Atlanta?

I'll be nearing the point in the next six months or so where I'll need to decide on an avionics package, but I'd like to check out the alternatives "in person" and without a sales guy around if I can...
Forum: RV General Discussion/News 09-17-2018, 09:33 AM
Replies: 8
Views: 564
Posted By rmartingt
I did think about repurposing the mixture on a...

I did think about repurposing the mixture on a 3-lever for a cowl flap or oil cooler. Still considering that. I'd still like a plate that isn't labeled, though.

The only other airplane I'd be...
Forum: RV General Discussion/News 09-17-2018, 06:32 AM
Replies: 8
Views: 564
Posted By rmartingt
Custom/non-standard throttle quadrants?

Iím currently planning on a center console-mounted throttle quadrant (the console is partly to hide extra wiring, plumbing, and EFI fuel pump etc.). But using EFI, I have no need for a mixture...
Forum: Safety 09-16-2018, 07:12 AM
Replies: 26
Views: 3,487
Posted By rmartingt
I wish there was a like button sometimes... I'm...

I wish there was a like button sometimes...

I'm building an electrically-dependent airplane (EFI and glass, eventually IFR). One thing I'm trying hard to do is eliminate single-point failures on...
Forum: RV General Discussion/News 09-14-2018, 08:54 AM
Replies: 3
Views: 707
Posted By rmartingt
MOSAIC rulemaking initiative?

Ran across this one...
Forum: Alternative Engines 09-11-2018, 03:57 AM
Replies: 23
Views: 3,179
Posted By rmartingt
Itís not a question of ďis it possibleĒ, itís a...

Itís not a question of ďis it possibleĒ, itís a question of ďcan we afford itĒ. A brand new engine that can slot into place where a Lycoming went but burns Jet wonít be cheap to develop, and even if...
Forum: RV Building Tips/Techniques 09-07-2018, 05:13 AM
Replies: 9
Views: 1,110
Posted By rmartingt
I'm confused, because I have a quick-change...

I'm confused, because I have a quick-change spring on my rivet gun. It looks like this:
https://www.yardstore.com/media/catalog/product/cache/c687aa7517cf01e65c009f6943c2b1e9/1/4/14011_2.jpg

I...
Forum: RV General Discussion/News 08-31-2018, 02:17 PM
Replies: 29
Views: 2,672
Posted By rmartingt
Timely thread, thanks! I just flipped the...

Timely thread, thanks! I just flipped the fuselage over and the structural parts are moving quickly; I'm rapidly approaching the point where I'll need to start doing systems installations.

The...
Forum: Interiors 08-25-2018, 04:51 PM
Replies: 3
Views: 444
Posted By rmartingt
That's sort of what I'm going for, really... but...

That's sort of what I'm going for, really... but I wanted to fit-check myself and my wife to be sure.


Good to know!


Oh... yeah... there are default positions in the plans :o


That's good...
Forum: Interiors 08-25-2018, 01:12 PM
Replies: 3
Views: 444
Posted By rmartingt
Seat back location and Classic Aero seats...

I've just flipped the canoe and will soon be to the point of putting in the seat backs and hinge attachments (and the rudder pedals; I delayed that step so I can build up and place them while sitting...
Forum: RV General Discussion/News 08-24-2018, 02:37 PM
Replies: 78
Views: 11,229
Posted By rmartingt
I had a very similar experience, in an airplane...

I had a very similar experience, in an airplane with minimum day-VFR instrumentation (and no attitude indicator).
Forum: RV General Discussion/News 08-21-2018, 07:12 PM
Replies: 28
Views: 3,263
Posted By rmartingt
FWIW that's basically what I do for ground ops,...

FWIW that's basically what I do for ground ops, takeoff, and landing in Dad's -6. I find that having my feet up, with maybe my heels lightly touching the carpet, and the bottom bar at the front of...
Forum: My RV Build Project 08-21-2018, 07:04 PM
Replies: 30
Views: 16,351
Posted By rmartingt
Thanks everyone! Things are progressing nicely...

Thanks everyone! Things are progressing nicely and the fuselage is now ready to flip. I just need a cradle to set it in... so I'll work on drawing that up and work on fabricating it this week.

Now...
Forum: My RV Build Project 08-17-2018, 05:56 AM
Replies: 30
Views: 16,351
Posted By rmartingt
Wow, so I've been a bit of a slacker at updating...

Wow, so I've been a bit of a slacker at updating the thread... but in my defense, we've had a heck of a year or two. A few of the guys at FFC have probably heard some of this...

Starting in 2017,...
Forum: RV-7/7A 08-16-2018, 04:52 AM
Replies: 7
Views: 1,112
Posted By rmartingt
Thumbs up I thought about it but was concerned about oil...

I thought about it but was concerned about oil resistance and weatherproofness(?). However, some further research says it looks like it's actually pretty good for that sort of thing. I'll need...
Forum: RV-7/7A 08-15-2018, 11:51 AM
Replies: 7
Views: 1,112
Posted By rmartingt
Looks like a consensus then! I'll proceed with...

Looks like a consensus then!

I'll proceed with priming underneath and then I'll install it except for the cowl hinge line. I plan to seal the edges with proseal (to prevent moisture/oil intrusion...
Forum: RV-7/7A 08-13-2018, 02:26 PM
Replies: 7
Views: 1,112
Posted By rmartingt
Yes, forgot to mention that it'll be backed by...

Yes, forgot to mention that it'll be backed by 1/16 ceramic fiber insulation.
Forum: RV-7/7A 08-13-2018, 01:34 PM
Replies: 7
Views: 1,112
Posted By rmartingt
Question Cowl exit heat shield... when to rivet?

As of five minutes ago all of the riveting is finished and my fuselage is about ready to flip over. Before I flip this canoe, is there any reason I shouldn't go ahead and install the belly heat...
Forum: RV-14 08-06-2018, 07:50 PM
Replies: 55
Views: 13,515
Posted By rmartingt
Yes, you should use level flight as indicated by...

Yes, you should use level flight as indicated by zero feet per minute and/or your velocity vector (the little green airplane symbol in the upper picture) on the horizon line. The yellow waterline...
Forum: RV General Discussion/News 08-06-2018, 03:13 PM
Replies: 387
Views: 88,378
Posted By rmartingt
In addition to being 100lb or so heavier than a...

In addition to being 100lb or so heavier than a Lycoming, I have a sneaking suspicion that this engine probably costs more on its own than a complete and nicely-outfitted RV.

I don't think you'll...
Forum: Safety 07-26-2018, 05:59 PM
Replies: 85
Views: 20,744
Posted By rmartingt
I don't see why a numerical readout is necessary....

I don't see why a numerical readout is necessary. So long as you can repeatably hit your target AOA, it doesn't matter whether there's a numerical readout, a tick mark on a scale, a certain number of...
Forum: Traditional Aircraft Engines 07-14-2018, 11:02 AM
Replies: 10
Views: 1,764
Posted By rmartingt
Depends on what you're flying for. If you're...

Depends on what you're flying for. If you're just up piddling around to enjoy the pretty local scenery or the sunset, why burn more gas than you have to?

One of the nice things about the RV is that...
Forum: Electrical Systems 07-09-2018, 04:47 AM
Replies: 7
Views: 915
Posted By rmartingt
I understand the need for a couple of breakers...

I understand the need for a couple of breakers with fuses (e.g. for alternator field)... but why throw breaker switches into the mix?
Forum: RV General Discussion/News 06-23-2018, 05:40 AM
Replies: 68
Views: 11,578
Posted By rmartingt
I think I've just decided on a lighting provider...

I think I've just decided on a lighting provider ;)

One question though--your manual is very specific about not using a power supply that puts out more than 14V. Will it be a problem to use this in...
Forum: RV General Discussion/News 06-16-2018, 04:38 AM
Replies: 31
Views: 3,554
Posted By rmartingt
Someone out there makes the clamps with a locking...

Someone out there makes the clamps with a locking tab that holds them together for you. Company's name is Umpco. I asked about ordering some but they want big orders--a homebuilder is small...
Forum: RV General Discussion/News 06-10-2018, 04:51 AM
Replies: 17
Views: 2,002
Posted By rmartingt
Well, Part 21, but yes. Part 21 Subpart A covers...

Well, Part 21, but yes. Part 21 Subpart A covers all that. And as you note, things don't technically have to have a TSO or PMA to go on a certified aircraft, but they do have to be approved...
Forum: Electrical Systems 06-09-2018, 07:59 PM
Replies: 261
Views: 19,438
Posted By rmartingt
Thanks, John! I've been musing over that very...

Thanks, John! I've been musing over that very idea and you've saved me some work. Nice pictures!
Forum: Electronic Ignition Systems 06-09-2018, 01:14 PM
Replies: 15
Views: 1,373
Posted By rmartingt
Do you happen to know of any with a second power...

Do you happen to know of any with a second power input terminal? I'd rather not have both power feeds coming into the same stud.

Otherwise, that's my plan. I'm trying to find one with a removable...
Forum: Safety 06-03-2018, 11:15 AM
Replies: 20
Views: 2,592
Posted By rmartingt
For engine fires, I would think the money and...

For engine fires, I would think the money and effort would be better spent improving your firewall and the penetrations, as DanH has posted about, and rehearsing your engine fire memory actions. ...
Forum: RV-8/8A 05-30-2018, 06:42 PM
Replies: 6
Views: 669
Posted By rmartingt
The AN507 is a 100 degree countersink. You...

The AN507 is a 100 degree countersink. You almost never see 82 degree countersink hardware on aircraft.

http://www.everyspec.com/MS-Specs/MS2/MS24000-MS24999/MS24693K_7909/
Forum: Electrical Systems 05-28-2018, 05:22 AM
Replies: 10
Views: 1,535
Posted By rmartingt
My goal isn't "keep the engine running till...

My goal isn't "keep the engine running till there's nothing left in the backup battery". It's "keep the engine running as long as possible on the battery". It's an important distinction.

It...
Forum: Electrical Systems 05-26-2018, 11:23 AM
Replies: 261
Views: 19,438
Posted By rmartingt
Switched coils for the same reason as switched...

Switched coils for the same reason as switched magnetos--you can check and verify each one is working. However, that's for a four-cylinder; I don't know how the six-cylinder engines are set...
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