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Search: Posts Made By: jmjula
Forum: RV-7/7A 03-05-2018, 02:52 PM
Replies: 4
Views: 892
Posted By jmjula
Kentlik, if you mean the two rivets up in the...

Kentlik, if you mean the two rivets up in the middle to the forward sub-panel rib, then yes, that was done once I made the cuts to the sub-panel for the radios and was ready to rivet that in place.
Forum: RV-7/7A 02-23-2018, 05:50 PM
Replies: 4
Views: 892
Posted By jmjula
I have an AFP FM-150 and this is what my firewall...

I have an AFP FM-150 and this is what my firewall looked like before installing engine:

https://drive.google.com/file/d/0B0SnNGSPyuSheEd5bVduM2VXM28/view?usp=sharing

The lower hole by the main fuel...
Forum: RV-7/7A 01-03-2018, 01:00 PM
Replies: 3
Views: 1,275
Posted By jmjula
This is where my cut out ended up, and I still...

This is where my cut out ended up, and I still have a functional canopy release mechanism in place: https://drive.google.com/file/d/0B0SnNGSPyuShRERSUXRXNnRia2M/view?usp=sharing
Forum: RV-7/7A 12-05-2017, 01:59 PM
Replies: 19
Views: 2,508
Posted By jmjula
I made mine using a hole saw in a sheet of delrin...

I made mine using a hole saw in a sheet of delrin of the right width, then I "lathed" it to the perfect diameter using a cordless drill and the bench scotch-brite wheel. I don't remember exactly what...
Forum: RV-7/7A 06-08-2017, 11:44 AM
Replies: 6
Views: 1,163
Posted By jmjula
Per my friend Roy, I replaced the lower half of...

Per my friend Roy, I replaced the lower half of each hinge with a hinge that had another 1/4" of width. This allowed us to center the hinge 1/8" above the the line of the cowling.
Forum: RV-7/7A 04-19-2017, 12:34 PM
Replies: 16
Views: 3,043
Posted By jmjula
I put the parking valve just underneath the upper...

I put the parking valve just underneath the upper horizontal longeron and ran hard lines down to the angle bracket Van's has you use to connect to the lines in the floor. I ran flex lines from the...
Forum: RV-7/7A 03-30-2017, 11:45 AM
Replies: 547
Views: 609,746
Posted By jmjula
Here is my slow built RV-7A. I got it flying back...

Here is my slow built RV-7A. I got it flying back in October 2015, and just got it painted this month. It only took 15 yrs to get to this point, but it is such a joy to fly that the time was worth...
Forum: RV-7/7A 03-29-2017, 10:50 AM
Replies: 16
Views: 4,628
Posted By jmjula
I had asked Van's what to do and was told it...

I had asked Van's what to do and was told it doesn't hurt anything to leave them full weight until painted, then drill holes to balance, if you want to. Extra weight doesn't hurt, too little weight...
Forum: RV-7/7A 03-17-2017, 01:04 PM
Replies: 9
Views: 2,670
Posted By jmjula
I have a two blade Catto on a IO-360 7A with the...

I have a two blade Catto on a IO-360 7A with the nickle edges and have no issues in the rain, and I fly IFR too so that happens often. I am a little tail heavy, but I built the plane expecting that...
Forum: RV-7/7A 03-13-2017, 05:06 PM
Replies: 7
Views: 1,877
Posted By jmjula
I got permission from Van's to drill an extra set...

I got permission from Van's to drill an extra set of pass through holes through F-704s in the bay second in from the wing roots. They were very specific as to where the extra holes could be put. I...
Forum: RV-7/7A 03-08-2017, 10:08 AM
Replies: 2
Views: 1,479
Posted By jmjula
Without a picture I can't really tell where your...

Without a picture I can't really tell where your mistake is, been too long, but that structure will have some of the highest stresses in the entire airplane so you don't want to compromise strength...
Forum: RV-7/7A 01-03-2017, 10:25 AM
Replies: 1
Views: 1,038
Posted By jmjula
I sealed the top skin as I riveted it, made...

I sealed the top skin as I riveted it, made sealed 'cups' around the hinges forward of the sub-panel so that no water can get forward of that panel. Then I covered all the instruments with a thick...
Forum: RV-7/7A 11-27-2016, 09:45 AM
Replies: 6
Views: 2,281
Posted By jmjula
I recall putting a box wrench straight into the...

I recall putting a box wrench straight into the bracket with the bolt head, 90 degrees to normal usage, and letting it rotate until it hit the sides of the bracket. It took a bit of pressure at that...
Forum: RV General Discussion/News 07-20-2016, 05:44 PM
Replies: 8
Views: 1,494
Posted By jmjula
The factory did replace the ear seals with new...

The factory did replace the ear seals with new slightly larger prototype ones. Based on John's experience, I am hopeful these will help.
Forum: RV General Discussion/News 07-19-2016, 01:00 PM
Replies: 8
Views: 1,494
Posted By jmjula
Yeah, I have explored a broken seal, and this is...

Yeah, I have explored a broken seal, and this is not that. The thumping that happens when the seal breaks is completely different that the warble I am getting a specific RPMs. This really seems like...
Forum: RV General Discussion/News 07-18-2016, 02:47 PM
Replies: 8
Views: 1,494
Posted By jmjula
Zulu PFX Issue

I bought a Zulu PFX headset to get a quieter experience, and for the most part that is the case. However, at specific RPMs or while looking left close to the canopy, I am hearing a low volume warble...
Forum: RV-7/7A 05-23-2016, 11:11 AM
Replies: 2
Views: 1,291
Posted By jmjula
I ran mine through the center section via the 625...

I ran mine through the center section via the 625 plastic bushing in the left most bay, along with some of the wires going out to the wing. One center section bushing wasn't enough for me including...
Forum: RV-7/7A 05-03-2016, 09:58 AM
Replies: 2
Views: 980
Posted By jmjula
I originally put in aluminum tubing too, left two...

I originally put in aluminum tubing too, left two extra feet, then when it came time to mount the wing and realizing how hard it would be to make and maintain that connection with the tight space...
Forum: RV-7/7A 04-01-2016, 09:39 AM
Replies: 5
Views: 1,498
Posted By jmjula
I'd say get all 14 rivets in there meeting the...

I'd say get all 14 rivets in there meeting the edge distance and not worry about the rivets being slightly closer to each other. You'll notice the plans say a Typ[ical] 1/2 spacing, that is a hint...
Forum: RV-7/7A 03-22-2016, 01:44 PM
Replies: 6
Views: 1,332
Posted By jmjula
Yes, I just made a spacer between it and the...

Yes, I just made a spacer between it and the wall. You could make a new angle altogether, but the spacer seemed to be the easiest solution.
Forum: RV-7/7A 03-22-2016, 10:00 AM
Replies: 6
Views: 1,332
Posted By jmjula
It matches the 8 degrees of panel tilt. I recall...

It matches the 8 degrees of panel tilt. I recall there is somewhere in the instructions that talks you through bending the firewall to match. For my Grove reservoir install, I believe I had to add a...
Forum: RV-7/7A 03-03-2016, 06:01 PM
Replies: 2
Views: 1,071
Posted By jmjula
When you say bottom out, this was only after a...

When you say bottom out, this was only after a few turns with plenty of threads showing? That is an NPT joint which constricts the deeper you thread. That constriction allows you some freedom to set...
Forum: RV-7/7A 02-03-2016, 11:41 AM
Replies: 12
Views: 2,577
Posted By jmjula
For the RV-9 style rudder, the typical cracking...

For the RV-9 style rudder, the typical cracking occurs on the forward end of the stiffeners. I added RTV as seen here, which only time will tell if it helps:...
Forum: RV-7/7A 11-10-2015, 01:38 PM
Replies: 7
Views: 2,812
Posted By jmjula
I used pro-seal when I riveted that skin on, and...

I used pro-seal when I riveted that skin on, and a couple of the biggest holes opened and I have yet to go fill them again. For the hinges, I made a special aluminum bracket that is RTV sealed in...
Forum: RV-7/7A 10-16-2015, 05:09 PM
Replies: 14
Views: 2,662
Posted By jmjula
I'm taller 5' 11", but my inseam is only 31". I...

I'm taller 5' 11", but my inseam is only 31". I put in four sets of holes and I ended up using one of the middle positions, I think the third from the...
Forum: RV-7/7A 10-16-2015, 11:35 AM
Replies: 11
Views: 2,135
Posted By jmjula
Yeah, life gets in the way if you let it. Since...

Yeah, life gets in the way if you let it. Since starting the project, I've added two more kids to the family, got divorced and re-married, taught another 800 hrs of dual while maintaining a full time...
Forum: RV-7/7A 10-15-2015, 02:49 PM
Replies: 11
Views: 2,135
Posted By jmjula
First Flight N713JL

It only took 13 years, but my slow build RV-7A finally made it into the sky on 10/12/15! Roy Thoma flew chase in his RV-7A, and my wife flying with him snapped the picture in the link below. The...
Forum: RV-7/7A 09-15-2015, 01:02 PM
Replies: 4
Views: 2,005
Posted By jmjula
You might need this gap to be a bit bigger so...

You might need this gap to be a bit bigger so when the canopy opens so it doesn't snag on the forward skin and thus bend the canopy skin. I had to increase my gap from recommended to get to a safe...
Forum: RV-7/7A 08-17-2015, 09:33 PM
Replies: 9
Views: 2,595
Posted By jmjula
I just installed mine, and after all the...

I just installed mine, and after all the riveting. As mentioned by others, the only part that took effort was getting it started above roll bar support channel, just wedged it in with ~20-30 degrees...
Forum: RV-7/7A 07-15-2015, 03:54 PM
Replies: 2
Views: 955
Posted By jmjula
I can't see your picture on FB, but if I recall...

I can't see your picture on FB, but if I recall correctly the brake line fitting is secured to the gear weldment on a 7A, not the skin. If so, I would think you could just open one end of the 5/8"...
Forum: RV-7/7A 04-20-2015, 11:12 PM
Replies: 1,069
Views: 917,752
Posted By jmjula
Here is a picture of the release handle all the...

Here is a picture of the release handle all the way out. I cut the outer flex tubing to a length to act as a stopper preventing the handle from opening to far, which would cause it to loose its...
Forum: RV-7/7A 04-20-2015, 10:47 AM
Replies: 1,069
Views: 917,752
Posted By jmjula
Yes, I believe it is an A-1840 from Aircraft...

Yes, I believe it is an A-1840 from Aircraft Spruce. It has the locking mechanism and as such the flexible part starts a ways back from the panel face. It required me offsetting the handle from...
Forum: RV-7/7A 04-16-2015, 11:24 PM
Replies: 1,069
Views: 917,752
Posted By jmjula
It is finally my turn to show off a panel! For...

It is finally my turn to show off a panel! For me, this has been the most fun part of the build to date, but then again I design electronics for living.

http://i68.tinypic.com/5cf1b6.jpg

Thanks to...
Forum: RV-7/7A 02-13-2015, 10:23 AM
Replies: 3
Views: 1,131
Posted By jmjula
Yes it looks like you want the Model 1. The model...

Yes it looks like you want the Model 1. The model numbers didn't exist when I got mine. I placed it in the left wing though, so when I fly a perfect ILS I will be 10' right of center line instead of...
Forum: RV-7/7A 01-05-2015, 11:29 AM
Replies: 6
Views: 2,182
Posted By jmjula
I'd elongate the slots, it doesn't look like it...

I'd elongate the slots, it doesn't look like it will take much to do so. The latches added to the canopy will be placed where needed, so no worries there. I recall mine moved slightly too...
Forum: RV-7/7A 11-28-2014, 08:39 AM
Replies: 9
Views: 2,428
Posted By jmjula
I am with you, wondering the same thing. I figure...

I am with you, wondering the same thing. I figure for the flights where I wear a chute and want the option, disconnecting the struts is part of the checklist on the ground. I'll have plastic knobs on...
Forum: RV-7/7A 09-29-2014, 08:43 PM
Replies: 4
Views: 1,145
Posted By jmjula
As I recall, I had nearly the entire fuselage to...

As I recall, I had nearly the entire fuselage to the firewall clecoed together and drilled/prepped upside down before riveting the center section to the aft. I am not sure that I had to wait that...
Forum: RV-7/7A 06-24-2013, 12:02 PM
Replies: 23
Views: 7,700
Posted By jmjula
As a part time flight instructor, I regularly fly...

As a part time flight instructor, I regularly fly from both seats. I am fully comfortable in either seat and really don't have a preference from a flying point of view and can switch back and forth...
Forum: RV-7/7A 04-17-2013, 02:25 PM
Replies: 27
Views: 5,045
Posted By jmjula
This thread is about the fuel line for a fuel...

This thread is about the fuel line for a fuel injected engine, the doubler you are referring to on the inside is only used a carburetor and associated pump which is quite a different setup. That...
Forum: RV-7/7A 04-16-2013, 11:51 AM
Replies: 6
Views: 1,613
Posted By jmjula
I am not flying quite yet, but this is what I did...

I am not flying quite yet, but this is what I did to hopefully reduce this very common problem: http://home.comcast.net/~jmjula/images/empennage/rudder/r9_rtv.jpg. Basically I globbed RTV in every...
Forum: RV-7/7A 11-19-2012, 12:08 PM
Replies: 1
Views: 1,107
Posted By jmjula
I cut mine off and riveted new inboard over...

I cut mine off and riveted new inboard over lapping skins on with a spacer to clear the fuselage. You could always make new inboard skins and paint them before riveting to the flap. I doubt you will...
Forum: RV-7/7A 10-06-2012, 08:12 PM
Replies: 2
Views: 1,228
Posted By jmjula
No, don't put any RTV in the ailerons. You may...

No, don't put any RTV in the ailerons. You may need to squeeze one of the trailing edges to fix a heavy wing and it will get in the way. Also, reportedly the ailerons don't have issues like the tail...
Forum: RV-7/7A 08-03-2012, 02:30 PM
Replies: 13
Views: 5,037
Posted By jmjula
I ended up fiber glassing in an aluminum anchor...

I ended up fiber glassing in an aluminum anchor that could zip tie the wires in place. I put a small hole in the fiberglass underneath it so I could cut the zip tie in the event the rudder needs to...
Forum: RV-7/7A 07-23-2012, 10:44 AM
Replies: 14
Views: 6,468
Posted By jmjula
I look forward to the day I get to do the same...

I look forward to the day I get to do the same experiment 8^). These are great planes!
Forum: RV-7/7A 07-13-2012, 09:22 PM
Replies: 2
Views: 1,509
Posted By jmjula
How much would this kit be worth?

I have a friend that may partner with me in my RV-7A to get her finished. He already has a project but hasn't really been working on it lately. He is considering selling his kit to partner with me...
Forum: RV-7/7A 06-11-2012, 01:59 PM
Replies: 4
Views: 1,451
Posted By jmjula
I got my plastic drill bits from Avery Tools, you...

I got my plastic drill bits from Avery Tools, you only need the 1/8" and 5/32", but it also comes in a kit with the next two sizes up too. If you use a standard bit you have to dull the bits and go...
Forum: RV-7/7A 06-11-2012, 01:50 PM
Replies: 4
Views: 1,709
Posted By jmjula
I didn't remove anything and installed them as...

I didn't remove anything and installed them as is. Van's said that leaving them full weight is fine, even before paint. Many people that trim before paint wish they didn't because you need more...
Forum: RV-9/9A 05-15-2012, 02:11 PM
Replies: 9
Views: 2,172
Posted By jmjula
I am about to deal with this soon. I was thinking...

I am about to deal with this soon. I was thinking of riveting small pieces of angle inboard of where the half moon's need to be, then there is no question of it being an issue. That could be done...
Forum: RV-7/7A 05-01-2012, 11:11 AM
Replies: 3
Views: 1,358
Posted By jmjula
I went with the internal rudder stop developed by...

I went with the internal rudder stop developed by others here, http://home.comcast.net/~jmjula/images/fuselage/rudder_wiring_b.jpg
Forum: RV-7/7A 04-26-2012, 10:58 PM
Replies: 5
Views: 1,453
Posted By jmjula
If you are bouncing within 0.1 degrees, it is...

If you are bouncing within 0.1 degrees, it is well past good enough, just do it!
Forum: RV-7/7A 04-10-2012, 11:12 AM
Replies: 13
Views: 2,578
Posted By jmjula
Since the bolt simply holds a fixed bearing in...

Since the bolt simply holds a fixed bearing in place without any rotation against the bolt, a simple locknut is good enough as is the case here. If the bearing isn't fixed, i.e. it rotates on the...
Forum: RV-7/7A 04-09-2012, 01:51 PM
Replies: 1
Views: 1,023
Posted By jmjula
I got mine from Van's in the manifold install...

I got mine from Van's in the manifold install kit: http://www.vansaircraft.com/cgi-bin/catalog.cgi?ident=1334001088-490-204&browse=ei&product=vans-mp-ikit
Forum: RV-7/7A 04-06-2012, 09:32 AM
Replies: 3
Views: 1,460
Posted By jmjula
Hopefully I am reading this right. I just got...

Hopefully I am reading this right. I just got done getting my wings flight worthy and had to restudy this myself. The reason, I believe, the flush side on on the outside is because of how the...
Forum: RV-7/7A 04-02-2012, 04:02 PM
Replies: 7
Views: 1,561
Posted By jmjula
Mine wasn't pre bent (slow build), but yeh the...

Mine wasn't pre bent (slow build), but yeh the whole section above the upper angle is bent forward 8 degrees to match the panel.
Forum: RV-7/7A 03-28-2012, 08:38 AM
Replies: 7
Views: 1,266
Posted By jmjula
The handle that comes from Van's has the end...

The handle that comes from Van's has the end welded at 8 degrees to align with the vertical access of the plane, not the panel. The result is you can't simply rotate it into a horizontal position. I...
Forum: RV-7/7A 03-27-2012, 12:01 AM
Replies: 7
Views: 1,266
Posted By jmjula
If you are going with the plans, then it is a...

If you are going with the plans, then it is a SB500-6 snap bushing, a 0.500" hole. I am planning to use a push pull cable to get a horizontal orientation instead and it will need to be smaller in my...
Forum: RV-7/7A 03-26-2012, 03:12 PM
Replies: 8
Views: 1,664
Posted By jmjula
I used one of the die grinder cutoff disks that...

I used one of the die grinder cutoff disks that came with the canopy in the finish kit. One of the bigger Dremel fiber cutoff's would work too.
Forum: RV-7/7A 03-22-2012, 10:38 PM
Replies: 5
Views: 1,264
Posted By jmjula
Plans are good, had plenty of edge distance to...

Plans are good, had plenty of edge distance to spare too. I did have to trim the upper inside corner to clear a rivet head on each side, see here:...
Forum: RV-7/7A 03-16-2012, 10:40 AM
Replies: 13
Views: 2,744
Posted By jmjula
Some data to make your own conclusions from:...

Some data to make your own conclusions from: http://www.westsystem.com/ss/thinning-west-system-epoxy/
Forum: RV-7/7A 03-11-2012, 10:38 AM
Replies: 3
Views: 1,163
Posted By jmjula
For the most part only use the plans as a guide...

For the most part only use the plans as a guide to the correct size. If you prime, then the rivets will likely need to be longer in many cases. The best bet is to use a rivet gauge to measure....
Forum: RV-7/7A 03-06-2012, 11:02 AM
Replies: 1
Views: 1,002
Posted By jmjula
I think it has been found that adding grounding...

I think it has been found that adding grounding straps from the control surfaces to the wings/fuselage takes care of most issues. The wicks can be added after the fact if needed, but I don't think...
Forum: RV-7/7A 02-29-2012, 08:17 PM
Replies: 15
Views: 3,944
Posted By jmjula
This is close to my current plan:...

This is close to my current plan: http://jmjula.home.comcast.net/~jmjula/panel.htm

I could fit the 5600 in a standard size panel, but it would be much tighter. The Gemini may be a Dynon D10A...
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