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Search: Posts Made By: JonJay
Forum: RV Ongoing Maintenance Issues Today, 10:28 AM
Replies: 8
Views: 316
Posted By JonJay
Switch to synthetic rubber o rings (Viton). They...

Switch to synthetic rubber o rings (Viton). They can handle the heat better, however, if it was so hot you couldn’t touch the wheel pant, that is smoking hot and as others pointed out, everything...
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 06-10-2019, 09:06 AM
Replies: 8
Views: 258
Posted By JonJay
Very little to no grinding for steel on a typical...

Very little to no grinding for steel on a typical RV.
Forum: Temp / Test / Misc. (posts deleted after 2 weeks) 06-10-2019, 08:21 AM
Replies: 8
Views: 258
Posted By JonJay
An RV build doesn’t require anything special. The...

An RV build doesn’t require anything special. The only thing you need a bench grinder for is if you choose to use a 6” Scotchbrite wheel for edge debuting. Many get along fine with a hand held die...
Forum: RV Building Tips/Techniques 06-04-2019, 10:00 AM
Replies: 13
Views: 1,145
Posted By JonJay
When you put it back together, mark the torque...

When you put it back together, mark the torque value discretely next to each bolt type with a sharpie. You will want to re-check torque of these bolts at least once after your initial install, and...
Forum: RV Ongoing Maintenance Issues 06-04-2019, 09:27 AM
Replies: 23
Views: 2,407
Posted By JonJay
For the OP. Give Wayne at Phlogiston a quick...

For the OP.
Give Wayne at Phlogiston a quick call. Nobody knows Vans spars better than Wayne. He can advise you on bolt replacement or not. There is a big difference between the laminated spar and...
Forum: Traditional Aircraft Engines 06-03-2019, 04:57 PM
Replies: 15
Views: 940
Posted By JonJay
I had to look up “pedantic”. ;)

I had to look up “pedantic”. ;)
Forum: RV Ongoing Maintenance Issues 06-03-2019, 04:54 PM
Replies: 11
Views: 5,937
Posted By JonJay
The Jack House jacks I have have came with the...

The Jack House jacks I have have came with the dished out adaptor. The adaptor is also shielded around the edge of the dish. I ground the heads down on #8 bolts to match. It would be physically...
Forum: RV-7/7A 06-03-2019, 03:46 PM
Replies: 16
Views: 1,203
Posted By JonJay
The RV6 is also slightly faster in roll I suspect...

The RV6 is also slightly faster in roll I suspect due to the shorter wing. However, really splitting hairs here.

In turbulence, the RV6 will give you a little “tail wag” from time to time.
I have...
Forum: Traditional Aircraft Engines 06-03-2019, 03:35 PM
Replies: 15
Views: 940
Posted By JonJay
Lycoming states 4-5 seconds. That will flood my...

Lycoming states 4-5 seconds. That will flood my system for sure. 1-2 seconds is good for me....
Forum: RV Ongoing Maintenance Issues 06-03-2019, 12:54 PM
Replies: 23
Views: 2,407
Posted By JonJay
I don’t fully understand why you would replace...

I don’t fully understand why you would replace spar bolts every time they are removed. We don’t replace prop bolts, even at overhaul unless they don’t pass. I know many folks who have removed wings...
Forum: Traditional Aircraft Engines 06-03-2019, 08:48 AM
Replies: 15
Views: 940
Posted By JonJay
Some great advice here. I will add that every set...

Some great advice here. I will add that every set up seems to have some uniqueness. If I follow Lycomings procedure I will be over primed and flooded. It will still start though...

You absolutely...
Forum: Trip Write-ups 06-03-2019, 08:42 AM
Replies: 5
Views: 1,088
Posted By JonJay
You’re my hero. I gave up my four leg a day...

You’re my hero.
I gave up my four leg a day journeys a while back as I was finding that I didn’t have the sharpness I needed to feel safe at the close of the day. We all have fatigue tolerance...
Forum: RV-7/7A 06-02-2019, 09:44 AM
Replies: 16
Views: 1,203
Posted By JonJay
I believe there where a host of factors. If you...

I believe there where a host of factors. If you dig deep enough into the archives there have been many discussions over the years.
Some of the factors may not have anything to do with the design and...
Forum: RV-7/7A 06-02-2019, 09:22 AM
Replies: 16
Views: 1,203
Posted By JonJay
The 6 was the last “hand engineered” and hand...

The 6 was the last “hand engineered” and hand drawn design. The 7 was designed specifically for ease of manufacturing to take advantage of the huge investment Vans made in CNC equipment to...
Forum: Traditional Aircraft Engines 06-02-2019, 08:57 AM
Replies: 15
Views: 940
Posted By JonJay
As a side note, after several reports of...

As a side note, after several reports of backfires causing airbox “explosions”, I no longer prime my injected engine. Even a couple of seconds, as reported here, can flood, or at least put the engine...
Forum: RV-12/RV-12iS 05-31-2019, 07:59 AM
Replies: 12
Views: 1,006
Posted By JonJay
Unless the rules have changed, your certificate...

Unless the rules have changed, your certificate is only good for the one airplane you built. You can still do all the work as with any experimental, but the CI would have to be signed off.
Forum: My RV Build Project 05-29-2019, 01:03 PM
Replies: 40
Views: 4,964
Posted By JonJay
Enders makes a good point about The 90 deg drill....

Enders makes a good point about The 90 deg drill. If you think about how short the business end is and how long the body is, it takes very little “twist”’and the bit will be wobbling. You also have...
Forum: My RV Build Project 05-29-2019, 09:21 AM
Replies: 40
Views: 4,964
Posted By JonJay
What kind of drill and drill bits?

What kind of drill and drill bits?
Forum: RV Ongoing Maintenance Issues 05-27-2019, 12:32 PM
Replies: 11
Views: 1,690
Posted By JonJay
Ok, assuming back fire into rich airbox. After...

Ok, assuming back fire into rich airbox.
After several reports of this occurring, with or without drain holes, I modified my cold start procedure. I no longer prime my injected engine, which can dump...
Forum: RV Ongoing Maintenance Issues 05-26-2019, 08:02 AM
Replies: 11
Views: 1,690
Posted By JonJay
What caused the fire?

What caused the fire?
Forum: Tools 05-24-2019, 08:34 AM
Replies: 9
Views: 673
Posted By JonJay
Oil = a little maintenance and longer life. No...

Oil = a little maintenance and longer life.
No oil compressors are factory lubricated and eventually the lube wears out.
Forum: Safety 05-24-2019, 08:24 AM
Replies: 46
Views: 8,359
Posted By JonJay
It’s good to be reminded that flying is more than...

It’s good to be reminded that flying is more than a casual hobby. The Daybreak accident was three miles from our Airpark. Nobody knows what happened. Two experienced pilots known in the community. We...
Forum: RV-10 05-24-2019, 08:00 AM
Replies: 23
Views: 2,473
Posted By JonJay
The time it takes to fix an issue is always less...

The time it takes to fix an issue is always less than the time consumed worrying about it! Nobody likes to step backwards. It’s no fun. However, you are now and forever worry free about it.
Forum: RV-7/7A 05-24-2019, 07:52 AM
Replies: 10
Views: 1,143
Posted By JonJay
Charles- check your brakes again. It is my guess...

Charles- check your brakes again. It is my guess that one or both of your master cylinders are not fully open when the pedals are released. Get in, pump your brakes a few times, reach down and see if...
Forum: RV General Discussion/News 05-23-2019, 10:56 AM
Replies: 19
Views: 2,270
Posted By JonJay
Excellent. While I understand the Jet world has a...

Excellent. While I understand the Jet world has a published abort protocol, why not apply something simple like this to us. This is easy to wrap ones head around.
Forum: RV Building Tips/Techniques 05-23-2019, 09:57 AM
Replies: 7
Views: 431
Posted By JonJay
Not a bad idea but you can’t get the slider open...

Not a bad idea but you can’t get the slider open in flight, it won’t budge. So removing the pins won’t help.
Forum: RV-7/7A 05-22-2019, 07:07 PM
Replies: 10
Views: 1,143
Posted By JonJay
Make sure your brake cylinders are...

Make sure your brake cylinders are unloaded/returning all of the way when released. Pull back on the brake pedal and see if you make any ground from the normal resting spot. If they don’t return all...
Forum: RV-10 05-22-2019, 06:55 PM
Replies: 23
Views: 2,473
Posted By JonJay
For future reference, you are not allowed to...

For future reference, you are not allowed to drill into the inside radius of an angle. I will try to dig up the spec on what the leg to hole edge minimum is for a specific angle. I have seen it, but...
Forum: RV-7/7A 05-22-2019, 06:32 PM
Replies: 31
Views: 1,969
Posted By JonJay
Scott is spot on. Also, every guide you will find...

Scott is spot on. Also, every guide you will find wants your drill to be spinning at 2000-3000 rpm for aluminum for most hole sizes in an RV. Why? That is where proper drill pressure will allow good...
Forum: RV Building Tips/Techniques 05-21-2019, 07:20 PM
Replies: 20
Views: 1,020
Posted By JonJay
The primer product you intend to use should have...

The primer product you intend to use should have a paint gun orifice recommendation in their instructions. Just make sure your gun has a tip size iin that range.
Forum: RV Building Tips/Techniques 05-21-2019, 09:09 AM
Replies: 7
Views: 431
Posted By JonJay
Vertical adjustment of the canopy frame can be...

Vertical adjustment of the canopy frame can be done by adding spacers where the rollers insert into the canopy frame tubing. The spacers are made from tubing that matches the canopy tubing OD and ID....
Forum: RV-3 05-19-2019, 08:20 AM
Replies: 25
Views: 3,398
Posted By JonJay
I followed the hype when Vans reintroduced the 3...

I followed the hype when Vans reintroduced the 3 as the 3B. I watched a couple 3B’s sell for well over $50k. At that time, folks couldn’t get enough of the 3. As Vans oldest model and fewest built,...
Forum: RV Ongoing Maintenance Issues 05-18-2019, 08:15 AM
Replies: 8
Views: 1,155
Posted By JonJay
I believe it’s called “staking” because you use a...

I believe it’s called “staking” because you use a wood “stake” against the valve and strike the stake with your hammer. The wood protects the valve.
I have done this a few times but the issue ended...
Forum: RV-6/6A 05-16-2019, 09:57 AM
Replies: 7
Views: 685
Posted By JonJay
Make sure your cable routing allows a straight...

Make sure your cable routing allows a straight exit from the body and that you don’t have any short/severe bends or loops anywhere along the run.

It is also possible that you simply have a bad...
Forum: Tools 05-14-2019, 07:08 PM
Replies: 18
Views: 1,191
Posted By JonJay
It’s a bimetal blade with a “raker” set, which is...

It’s a bimetal blade with a “raker” set, which is an aggressive rake, and probably keeps it from loading up. It would be slow for thick stock but we’re not mass producing anything.
Looks like a good...
Forum: Tools 05-14-2019, 06:58 PM
Replies: 18
Views: 1,191
Posted By JonJay
In a production environment, and specifically for...

In a production environment, and specifically for cuttIng steel, the “bi-metal” blades provide good cutting and long life. They use high carbon steel for the teeth backed with a spring or less...
Forum: RV General Discussion/News 05-05-2019, 05:21 PM
Replies: 9
Views: 649
Posted By JonJay
The advantage of the grease gun fitting is it is...

The advantage of the grease gun fitting is it is a check valve so you won’t spill any fluids.
However, as little as you need it, cleaning up a few drips of fluid now and again isn’t that big of a...
Forum: RV General Discussion/News 05-05-2019, 07:57 AM
Replies: 9
Views: 649
Posted By JonJay
Any grease gun will have that fitting. I simply...

Any grease gun will have that fitting. I simply unscrewed it from one of my older grease guns, took it apart and cleaned out the grease.
Just looked online. Grainger has the fitting for $2. Many...
Forum: RV General Discussion/News 05-04-2019, 08:07 AM
Replies: 10
Views: 1,655
Posted By JonJay
I sold thousands of feet of SAPA extrusions in my...

I sold thousands of feet of SAPA extrusions in my Lighting business from various linear lighting companies. They where just housings and pretty low tech compared to rockets or even aircraft....
Forum: RV General Discussion/News 05-04-2019, 08:04 AM
Replies: 10
Views: 1,655
Posted By JonJay
I sold thousands of feet of SAPA extrusions in my...

I sold thousands of feet of SAPA extrusions in my Lighting business from various linear lighting companies. They where just housings and pretty low tech compared to rockets or even aircraft....
Forum: RV-6/6A 05-02-2019, 09:37 PM
Replies: 23
Views: 2,740
Posted By JonJay
That’s fair Charlie. There may be, and probably...

That’s fair Charlie.
There may be, and probably are, more than one factor involved.
If the stiffeners where not tied together with RTV (per the instructions of that period, if the holes where...
Forum: RV-6/6A 05-02-2019, 10:54 AM
Replies: 23
Views: 2,740
Posted By JonJay
Cracks in .016 skins are caused by improper...

Cracks in .016 skins are caused by improper construction technique. Period.
The “big engine” theory was the first “guess” back in the day, but there are way too many of us flying with 180HP and no...
Forum: Fuel Injection Systems 04-28-2019, 07:14 AM
Replies: 8
Views: 451
Posted By JonJay
Excess fuel will go into the FAB. I changed my...

Excess fuel will go into the FAB. I changed my start procedure and no longer “prime” ahead of the start. I now just crack the throttle hit the boost pump wait until I hear the fuel pump load up (a...
Forum: Oregon 04-25-2019, 08:34 AM
Replies: 18
Views: 2,126
Posted By JonJay
Ariel - welcome. With a little planning you can...

Ariel - welcome.
With a little planning you can avoid or lessen your travel times around Portland.
Example - if you are staying downtown, you don’t want to be headed out of town anytime after 2:00pm...
Forum: Primers 04-25-2019, 07:00 AM
Replies: 37
Views: 1,474
Posted By JonJay
That will work just fine. Show us your results!

That will work just fine. Show us your results!
Forum: Glass Cockpit 04-24-2019, 07:26 PM
Replies: 17
Views: 1,534
Posted By JonJay
Wow! Super nice! However, why would someone...

Wow! Super nice!

However, why would someone spend that kind of money and effort on a dog like the RV6. ;)

Ha!
Great job Walt. Super jealous.
Forum: Primers 04-24-2019, 05:30 PM
Replies: 37
Views: 1,474
Posted By JonJay
It works and I have done the same without any...

It works and I have done the same without any noticeable ill effects, adhesion issues etc... not 2:1, but certainly thinner. However....

I hate the thought of reducing the product solids and not...
Forum: Primers 04-24-2019, 05:17 PM
Replies: 37
Views: 1,474
Posted By JonJay
All-Prep is used as a “final wipe”. You don’t...

All-Prep is used as a “final wipe”. You don’t want to introduce water after. Water is the last thing I want on the surface of my part even with a thorough drying. Unless youre using distilled water,...
Forum: Primers 04-24-2019, 09:23 AM
Replies: 37
Views: 1,474
Posted By JonJay
Kleenstrip Prep-All is a relatively cheap wax...

Kleenstrip Prep-All is a relatively cheap wax remover and degreaser.
It’s much cheaper than DX-330 or other commercial paint prep cleaners and does just as good of a job. You won’t have issues with...
Forum: Primers 04-24-2019, 09:18 AM
Replies: 37
Views: 1,474
Posted By JonJay
Kleenstrip Prep-All is a relatively cheap wax...

Kleenstrip Prep-All is a relatively cheap wax remover and degreaser.
It’s much cheaper than DX-330 or other commercial paint prep cleaners and does just as good of a job. You won’t have issues with...
Forum: RV Building Tips/Techniques 04-23-2019, 08:04 PM
Replies: 5
Views: 504
Posted By JonJay
Sorry, Gil’s right. My plans show same. I wonder...

Sorry, Gil’s right. My plans show same.
I wonder why they made the revision?
Forum: RV Building Tips/Techniques 04-23-2019, 12:14 PM
Replies: 5
Views: 504
Posted By JonJay
Each RV6 is a bit different here. There are a few...

Each RV6 is a bit different here. There are a few issues you want to be aware of as you size the pushrod, assuming we are taking about the steel one from the control weldment to the bellcrank....
Forum: RV-6/6A 04-22-2019, 12:20 PM
Replies: 8
Views: 668
Posted By JonJay
Great time to double check your edge distances...

Great time to double check your edge distances especially on the top longerons. This is a common place to find build errors. Many are flying around unaware.
Bring a sharpie and mark the shims under...
Forum: RV-7/7A 04-21-2019, 11:24 AM
Replies: 19
Views: 1,802
Posted By JonJay
I suspect the chemicals in the sharpie ink might...

I suspect the chemicals in the sharpie ink might etch the surface of aluminum slightly. Even after the color is gone, you can still see a faint line.
Any chemists out there?
Forum: RV Ongoing Maintenance Issues 04-21-2019, 10:14 AM
Replies: 17
Views: 1,585
Posted By JonJay
Clean the suction screen per Lycoming. After...

Clean the suction screen per Lycoming. After break in period which are shorter, it is a 100 hour inspection interval. You can certainly do it more often but I follow the recommendations.
Forum: RV General Discussion/News 04-15-2019, 11:01 PM
Replies: 17
Views: 1,415
Posted By JonJay
This is correct. The proper technique is to...

This is correct. The proper technique is to insure your Spar is being held down securely then press down hard on the skin with the bar and pull away as you roll. Try to keep the bar flat on the table...
Forum: RV-10 04-08-2019, 09:02 AM
Replies: 13
Views: 1,483
Posted By JonJay
I don’t think there is a right or wrong here,...

I don’t think there is a right or wrong here, just a choice between inspection vs fire protection. I chose ease of inspection as being more important for me,
You don’t need it for temperature...
Forum: RV-10 04-08-2019, 08:23 AM
Replies: 13
Views: 1,483
Posted By JonJay
For what it’s worth, one of the coolest places...

For what it’s worth, one of the coolest places FWF you can locate the cube is in the plenum. I rigged up a thermocouple and tested air temp in a variety of flight configurations and taxi conditions,...
Forum: RV General Discussion/News 04-07-2019, 02:07 PM
Replies: 9
Views: 683
Posted By JonJay
Wish I was smart enough to do that. Good luck and...

Wish I was smart enough to do that. Good luck and hope you get back in the air.
Forum: RV General Discussion/News 04-07-2019, 11:18 AM
Replies: 9
Views: 683
Posted By JonJay
If you covered the portion (tab) on the hinged...

If you covered the portion (tab) on the hinged support, you will never get it into the slot. This is the issue even with a relatively thin coat of paint and the reason for this thread I...
Forum: RV General Discussion/News 04-06-2019, 06:34 PM
Replies: 9
Views: 683
Posted By JonJay
Mine is painted and binds as you note, making it...

Mine is painted and binds as you note, making it difficult to pull the seat forward. You could mask off the portion (tab) that tucks under and leave it unpainted. I have been contemplating removing...
Forum: Traditional Aircraft Engines 04-05-2019, 12:21 PM
Replies: 22
Views: 4,340
Posted By JonJay
That’s a lot of metal. I seriously doubt any...

That’s a lot of metal. I seriously doubt any additive could “dredge up” those kind of deposits.
When I first got my Bucker, I “excersized” the airplanes inverted systems a lot more than the prior...
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