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Search: Posts Made By: czechsix
Forum: RV-10 10-30-2018, 01:31 PM
Replies: 45
Views: 11,635
Posted By czechsix
I found this thread because the current owner of...

I found this thread because the current owner of my RV-8A (with parallel valve O-360) recently had a rough running engine and noticed it wasn't making full power during a formation takeoff. Local...
Forum: RV-14 10-27-2018, 03:15 PM
Replies: 13
Views: 743
Posted By czechsix
The longerons for the RV-14 don't run the full...

The longerons for the RV-14 don't run the full length of the fuselage as in other RV models, so they aren't shipped with the wing kit...the aft longerons come with the tail kit and fwd longerons with...
Forum: RV-14 10-25-2018, 12:56 PM
Replies: 50
Views: 5,407
Posted By czechsix
I would not say it's a normal or desirable...

I would not say it's a normal or desirable attribute of the design...the 14 fuselage is shaped subtlety different from the other side-by-side RVs and has just enough curvature in the lower tailcone...
Forum: RV-14 10-10-2018, 12:48 PM
Replies: 42
Views: 40,657
Posted By czechsix
Looks nice Jared! Also curious why you decided...

Looks nice Jared! Also curious why you decided to switch from vinyl to paint.

Who did your seats?
Forum: RV-14 10-10-2018, 12:34 PM
Replies: 10
Views: 3,176
Posted By czechsix
I thought the plans called for using the tape on...

I thought the plans called for using the tape on all the trailing edges including the ailerons. I used adhesive (proseal) on all trailing edges on my -14 and I think that's what others are doing...
Forum: RV-14 10-09-2018, 06:14 PM
Replies: 12
Views: 1,121
Posted By czechsix
If they were my QB wings I'd simply test the...

If they were my QB wings I'd simply test the tanks installed on the wings with a water manometer (just like I did with the tanks I built for both my RV-8 and -14). No need to remove them from the...
Forum: RV-14 10-08-2018, 07:14 PM
Replies: 1
Views: 693
Posted By czechsix
Not that I'm aware of. I think there's quite a...

Not that I'm aware of. I think there's quite a bit of room for improvement in cooling drag reduction in the RV-14, but unfortunately the only option right now is to spend a lot of time making...
Forum: RV-14 10-02-2018, 07:35 PM
Replies: 55
Views: 10,496
Posted By czechsix
Am I just not seeing it, or did Vans remove the...

Am I just not seeing it, or did Vans remove the chapter 10 update?

http://vansaircraft.com/public/service-rv14.htm

I just recently finished making my own little brackets to tie the ends of the...
Forum: RV-14 10-02-2018, 07:30 PM
Replies: 25
Views: 4,116
Posted By czechsix
Dan, what kind of material is that? Did you...

Dan, what kind of material is that? Did you still place the aluminum wraps over the top of it?
Forum: RV-14 09-21-2018, 05:48 PM
Replies: 14
Views: 1,518
Posted By czechsix
I pondered the pros and cons of proseal vs....

I pondered the pros and cons of proseal vs. double-sided tape on my trailing edges and ended up going with proseal. My reason is that the tape doesn't form a perfect bond between the skins and the...
Forum: RV-14 09-19-2018, 06:06 PM
Replies: 10
Views: 1,229
Posted By czechsix
See...

See http://www.vansairforce.com/community/showpost.php?p=1083945&postcount=8, but due to Euro/Dollar exchange rate and the fact that it's been a couple years, you really need to contact Beringer for...
Forum: RV-14 09-18-2018, 12:18 PM
Replies: 10
Views: 1,229
Posted By czechsix
For my list of reasons, see...

For my list of reasons, see http://www.vansairforce.com/community/showthread.php?t=138426&highlight=beringer



Three small metric bits that fit in the palm of your hand is all you need...the big...
Forum: RV-14 08-30-2018, 08:12 PM
Replies: 10
Views: 1,683
Posted By czechsix
Tim, I addressed this question in my post about...

Tim, I addressed this question in my post about Beringer (at http://www.vansairforce.com/community/showthread.php?t=138426). Reposting here:

Some people have worried about fixing a flat tire with...
Forum: RV-14 08-28-2018, 08:29 PM
Replies: 10
Views: 2,876
Posted By czechsix
At least the Lancair has an awesome panel......

At least the Lancair has an awesome panel... maybe the best one I've ever seen. So you've got your priorities right! :D
Forum: RV-14 08-26-2018, 09:34 PM
Replies: 10
Views: 2,876
Posted By czechsix
Looks like primer. If it's paint, must be a flat...

Looks like primer. If it's paint, must be a flat or very low gloss finish...
Forum: RV-14 08-16-2018, 08:24 PM
Replies: 3
Views: 728
Posted By czechsix
Oil Cooler Door?

For those of you who have flown your RV-14 through the winter, have you had any issues with oil temps running too cool? On my RV-8A (O-360) I had a cockpit-controlled butterfly valve in the opening...
Forum: RV-14 08-16-2018, 07:48 PM
Replies: 3
Views: 846
Posted By czechsix
I discussed adding a baggage door with Rian...

I discussed adding a baggage door with Rian Johnson (Chief engineer at Vans) a few months ago and he advised against it...cutting a hole in the side of the fuselage will weaken it considerably, and...
Forum: RV-10 08-13-2018, 09:53 PM
Replies: 14
Views: 3,381
Posted By czechsix
I've heard several people complain that the RV-14...

I've heard several people complain that the RV-14 flap actuator seems to slow. I never timed how long it took on my -8 but it seemed like around 8 seconds give or take. I'd be much more interested...
Forum: RV-14 08-05-2018, 10:37 PM
Replies: 55
Views: 13,263
Posted By czechsix
Marvin, remember there can be minor variations in...

Marvin, remember there can be minor variations in how well an airplane is leveled during AHRS calibration, plus G3X gives you the ability to enter a pitch offset in flight. I would not use pitch...
Forum: RV-14 07-15-2018, 11:18 AM
Replies: 8
Views: 1,349
Posted By czechsix
I used a piece of .125 x 1.5 x 1.5 alum angle on...

I used a piece of .125 x 1.5 x 1.5 alum angle on the edge of my workbench and match drilled the skins & TE wedge to the angle all at the same time. Edges are straight.
Forum: RV-14 06-26-2018, 06:27 PM
Replies: 55
Views: 10,496
Posted By czechsix
Just to be clear, are you saying Vans...

Just to be clear, are you saying Vans specifically approved of prosealing in additional sections of angle or J-channel to address the oil canning on the lower fuselage sides? It has been my...
Forum: RV-14 06-26-2018, 12:17 AM
Replies: 55
Views: 10,496
Posted By czechsix
Tom, you mention knowing of other aircraft that...

Tom, you mention knowing of other aircraft that have experienced cracks like those in your -14...are you referring specifically to other -14's or other RV's in general? I'm curious to know if cracks...
Forum: RV-14 06-26-2018, 12:08 AM
Replies: 55
Views: 10,496
Posted By czechsix
Oil canning isn't limited to the 14, I had a...

Oil canning isn't limited to the 14, I had a section in the aft fuselage of my -8A that would go 'thump' after shutdown as it relaxed post-flight. Here's an interesting read for anyone curious or...
Forum: RV-14 06-20-2018, 11:57 PM
Replies: 1
Views: 744
Posted By czechsix
I had a similar problem with a TruTrak servo...

I had a similar problem with a TruTrak servo years ago on my RV-8A (different brand, but the Dynon/AFS servos appear to be virtual clones or at least very similar designs to the TT products). In my...
Forum: Electronic Ignition Systems 06-10-2018, 10:10 PM
Replies: 15
Views: 1,315
Posted By czechsix
So if there's no harm done, why not shut off the...

So if there's no harm done, why not shut off the ECU during spark check? I understand you don't have to if you install coil switches, but it sounds like it doesn't hurt anything if you do...? From...
Forum: Electronic Ignition Systems 06-08-2018, 08:19 PM
Replies: 15
Views: 1,315
Posted By czechsix
Does this advice apply to the EFI ECUs as well? ...

Does this advice apply to the EFI ECUs as well? I was planning a switching scheme where I could shut off one channel at a time while also switching the injector relays in order to do a full check of...
Forum: Electronic Ignition Systems 06-08-2018, 12:05 AM
Replies: 15
Views: 1,315
Posted By czechsix
Combining pump, coil, and ECU on one fuse

Ross, the SDS EFI wiring diagram for a 4 cyl Lycoming shows a 2A fuse for an ECU channel, 10A fuse for a coilpack, and 15A fuse for a pump. If I were to combine these together (to reduce the number...
Forum: RV-14 06-03-2018, 12:58 PM
Replies: 8
Views: 1,295
Posted By czechsix
That makes sense, looking at Crow's website it...

That makes sense, looking at Crow's website it appears they are still shipping harnesses with 1/2" attachment holes and the 14 (and probably all RVs) use 1/4" bolts to attach the belts. Would be...
Forum: RV-14 06-02-2018, 04:54 PM
Replies: 8
Views: 1,295
Posted By czechsix
So no issues with installing the Crow or Hooker...

So no issues with installing the Crow or Hooker harnesses in the RV-14 attach lugs? No mods required?
Forum: RV-14 06-02-2018, 01:10 PM
Replies: 8
Views: 1,295
Posted By czechsix
RV-14 seat belts / harnesses

Before I rivet in my seat belt attach lugs, I have a few questions for those who have already installed harnesses in their -14's:

1) The stock attachment lugs use 1/4" bolt holes and 1/8" spacing...
Forum: RV-14 05-21-2018, 07:28 PM
Replies: 5
Views: 1,139
Posted By czechsix
I would have thought it would be the other way...

I would have thought it would be the other way around ($100 more for the Slick interface)...with the Slick you're buying an extra sensor that picks up the tach signal, whereas with the PMag you're...
Forum: RV-14 05-17-2018, 06:08 PM
Replies: 29
Views: 3,789
Posted By czechsix
Bill, I'm way behind your stage in the build...

Bill,

I'm way behind your stage in the build and haven't mounted my wings to the fuselage yet, but on the wing stand I get approx 3 deg reflex when the flaps make contact with the rear spar. Dunno...
Forum: RV-14 05-15-2018, 12:30 PM
Replies: 5
Views: 1,408
Posted By czechsix
Yeah I wasn't even going to get into the...

Yeah I wasn't even going to get into the structural analysis part in this thread...I've thought about it quite a bit and I'm also familiar with how the lap belt anchors are designed in other RVs, so...
Forum: RV-14 05-14-2018, 09:40 PM
Replies: 5
Views: 1,408
Posted By czechsix
The OP in the above link states "I found Van's...

The OP in the above link states "I found Van's claim that the crotch strap will keep your head from hitting the canopy not to be the case for me. The aft location of the lap belt anchor points still...
Forum: RV-14 05-14-2018, 12:51 PM
Replies: 5
Views: 1,408
Posted By czechsix
Lap belt attachment location in RV-14

As I work through the fuselage floor sections I've been thinking about moving the lap belt attach lugs a few inches further forward. What got my attention was this post from the General Discussion...
Forum: RV-14 05-09-2018, 11:22 PM
Replies: 10
Views: 1,546
Posted By czechsix
Ken, I built an RV-8A slow build in the pre...

Ken, I built an RV-8A slow build in the pre matched hole days (outer skins prepunched but substructure was not so I had to build jigs for everything). Having now built the empennage and wings and...
Forum: RV-14 04-24-2018, 07:51 PM
Replies: 12
Views: 1,809
Posted By czechsix
I had a map box in my RV-8A and for all the...

I had a map box in my RV-8A and for all the reasons others have mentioned I loved it and don't know where I would have put all that stuff. I also had a side pocket compartment, but didn't like...
Forum: RV-14 04-23-2018, 07:27 PM
Replies: 6
Views: 1,739
Posted By czechsix
Are you talking about a tab or a wedge on your...

Are you talking about a tab or a wedge on your rudder? I believe if you put a wedge on the right side of the rudder trailing edge, it will provide nose left trim moment. You would have needed the...
Forum: RV-14 04-19-2018, 10:12 PM
Replies: 3
Views: 704
Posted By czechsix
Yes, dimple them. IIRC the only #30 holes that...

Yes, dimple them. IIRC the only #30 holes that do not get dimpled are the four where the rudder stop attaches.
Forum: RV-14 04-18-2018, 06:03 PM
Replies: 6
Views: 1,812
Posted By czechsix
That's sorta what I was thinking...'budget' and...

That's sorta what I was thinking...'budget' and 'RV-14' don't really belong in the same sentence :D But I guess it's all relative to what your budget is. You could certainly build an RV-14 for a...
Forum: RV-14 04-18-2018, 12:41 PM
Replies: 10
Views: 1,920
Posted By czechsix
I am perplexed about how properly tightened...

I am perplexed about how properly tightened locknuts securing the lead weights could come loose. I can imagine a very small amount of compression of the lead happening over thermal cycles and such,...
Forum: RV-14 04-15-2018, 03:55 PM
Replies: 125
Views: 55,748
Posted By czechsix
Looks nice, did you have to do a lot of work to...

Looks nice, did you have to do a lot of work to get that fit, or were the trim lines pretty close to perfect? One thing to keep in mind is that a small gap is a good thing to avoid chipping the...
Forum: RV-14 04-13-2018, 10:48 PM
Replies: 2
Views: 1,171
Posted By czechsix
Hi Todd, That is correct, the upper aft portion...

Hi Todd,

That is correct, the upper aft portion of the RV-10/RV-14 airfoil reflexes upward about 3 degrees. Once you get the flaps and ailerons installed and rigged you'll see that the reflex of...
Forum: RV-14 04-12-2018, 09:43 PM
Replies: 17
Views: 2,599
Posted By czechsix
Just curious what you plan to use the switch for?...

Just curious what you plan to use the switch for? Traditionally they are often used to run the Hobbs, but G3X (and presumably all the other EFIS systems) will track engine hours without needing the...
Forum: RV-14 04-11-2018, 05:34 PM
Replies: 15
Views: 5,293
Posted By czechsix
Looks like you got it figured out, thanks Bill!

Looks like you got it figured out, thanks Bill!
Forum: RV-8/8A 04-11-2018, 01:02 PM
Replies: 31
Views: 6,756
Posted By czechsix
Dan, have you tested the 'variable exit panel'...

Dan, have you tested the 'variable exit panel' (aka cowl flap?) during hot weather and/or long ground runs like at OSH to confirm that it provides adequate cooling under those conditions? Or is that...
Forum: RV-14 04-10-2018, 06:09 PM
Replies: 15
Views: 5,293
Posted By czechsix
Sure, email them to me and I'll post them if...

Sure, email them to me and I'll post them if others are interested in seeing them. I rarely post pictures as well, so every time I do it I've got to go figure it all out again. Sure wish VAF could...
Forum: RV-14 04-09-2018, 07:03 PM
Replies: 2
Views: 703
Posted By czechsix
Adjustment of seat cushion vs. crotch strap location

My first airplane was an RV-8A that did not have an adjustable seatback, therefore the cushions only had to fit in one geometry. Seeing as how the RV-14 has several hinge points for the seatback, it...
Forum: RV-14 04-09-2018, 06:52 PM
Replies: 15
Views: 5,293
Posted By czechsix
Bill, I meant to ask about your internal covers...

Bill, I meant to ask about your internal covers for the cockpit area. I found early on with my -8A that the canopy cover would scratch the plexi especially when it's windy and the cover is moving...
Forum: RV-14 04-07-2018, 11:47 PM
Replies: 15
Views: 5,293
Posted By czechsix
Thanks Bill, I remember dialoguing with you on...

Thanks Bill, I remember dialoguing with you on the old Matronics forum when we were both building RV-8As. Now that I'm also building a -14A I read this post with great interest. A few questions &...
Forum: RV-14 04-01-2018, 09:23 PM
Replies: 4
Views: 1,111
Posted By czechsix
I mounted mine just aft of the spar and adjacent...

I mounted mine just aft of the spar and adjacent to the next rib inboard from the tie-down location for the express reason of avoiding interference with the tiedown ropes. If you're using your own...
Forum: RV-14 03-31-2018, 06:27 PM
Replies: 20
Views: 4,521
Posted By czechsix
Wiring into the canopy

One thing that occurred to me recently is that most builders are putting at least one GPS antenna on the glare shield of the RV-14, and then there's other wiring such as the canopy latched switch and...
Forum: RV-14 03-29-2018, 06:20 PM
Replies: 9
Views: 1,449
Posted By czechsix
I don't have it yet but am planning to use the...

I don't have it yet but am planning to use the Artex 345. It just looks better quality to me than the ACK unit and one nice thing about Artex is they support the ability to do a full test to verify...
Forum: Fuel Injection Systems 03-26-2018, 12:31 PM
Replies: 48
Views: 6,367
Posted By czechsix
Ross, the RV-14 I'm building has a larger panel...

Ross, the RV-14 I'm building has a larger panel than most of the RVs (other than the -10) and 5x4 is going to be hard to find space for in my panel layout with dual G3X displays, an IFR stack in the...
Forum: RV-14 03-17-2018, 05:18 PM
Replies: 18
Views: 2,215
Posted By czechsix
I have tried to post pictures on VAF before with...

I have tried to post pictures on VAF before with links to my Google Photos account (putting the pics in a folder that can be publicly shared). Sometimes it has worked, other times I'm the only one...
Forum: Fuel Injection Systems 03-17-2018, 03:40 PM
Replies: 48
Views: 6,367
Posted By czechsix
I've been thinking a lot about switch...

I've been thinking a lot about switch configurations for the EFI system in my RV-14A. A few years ago I had the opportunity to spend a dozen hours flying an RV-12, and it really struck me how simple...
Forum: RV-14 03-04-2018, 09:16 PM
Replies: 42
Views: 40,657
Posted By czechsix
Awesome looking airplane and panel!!

Awesome looking airplane and panel!!
Forum: RV-14 02-27-2018, 06:26 PM
Replies: 18
Views: 2,155
Posted By czechsix
I initially tried backriveting per the plans, but...

I initially tried backriveting per the plans, but after half a dozen rivets I wasn't happy with it...it seemed like even though I had the TE flat on the backplate, the riveting process was slightly...
Forum: RV-14 02-26-2018, 10:14 PM
Replies: 18
Views: 2,155
Posted By czechsix
I did all my TE rivets with my hand squeezer. I...

I did all my TE rivets with my hand squeezer. I felt it gave me better control than a pneumatic squeezer or rivet gun.
Forum: RV-14 02-26-2018, 07:10 PM
Replies: 18
Views: 2,155
Posted By czechsix
I just eyeballed mine and drilled it on my...

I just eyeballed mine and drilled it on my workbench with my trusty ol' Makita.

YMMV...
Forum: RV-14 02-24-2018, 04:53 PM
Replies: 6
Views: 920
Posted By czechsix
Yep, rivet shavers and high build primer will...

Yep, rivet shavers and high build primer will help...Did that on my -8A, it was a lot of work and I never was really happy with the end result. So much easier to just dimple, and those rivets came...
Forum: RV-14 02-24-2018, 12:40 PM
Replies: 6
Views: 920
Posted By czechsix
Or consider dimpling the holes in the tank skin...

Or consider dimpling the holes in the tank skin and aft baffle flanges. It will be self aligning, less work, stronger, and most of all give you much nicer results aesthetically. See my other posts...
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