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Search: Posts Made By: wawrzynskivp
Forum: RV Building Tips/Techniques Yesterday, 08:59 AM
Replies: 16
Views: 749
Posted By wawrzynskivp
My Approach

I fixed the leg fairing at the wheel pant and planned for relative motion at the intersection fairing.

Initially I had the leg fairing fixed at the intersection, but quickly discovered there is...
Forum: RV Ongoing Maintenance Issues 06-17-2022, 07:44 AM
Replies: 12
Views: 1,230
Posted By wawrzynskivp
An Analogy, knowing your known good values

Once had a boat that just could not produce spec RPM/thrust on its diesel package as seen on the engine tach.

I had the screw (prop) reshaped, fussed with the governor and injectors, you name...
Forum: RV Ongoing Maintenance Issues 06-10-2022, 08:40 AM
Replies: 12
Views: 1,230
Posted By wawrzynskivp
Can even be a fuse

I had that problem, and it came down to a fuse in the field wire circuit that was acting as a variable resistor.
Forum: RV Building Tips/Techniques 05-25-2022, 07:00 AM
Replies: 0
Views: 358
Posted By wawrzynskivp
One use for Van's fuel selector third position

Hello All,

My RV-7 kit came with a brass fuel selector with three source positions and one off. My install has that valve pretty well buried in a center console so I decided to run a flexible...
Forum: RV General Discussion/News 05-19-2022, 09:11 AM
Replies: 22
Views: 2,001
Posted By wawrzynskivp
Do another kind of transportation, car kits are...

Do another kind of transportation, car kits are fun or a boat:
https://www.clcboats.com/?gclid=Cj0KCQjw1ZeUBhDyARIsAOzAqQJ0mh_Dl6J7oX_99unSuKIOhdn09BHFxrH0uki8WpgdjnQjfLiE6j4aAkzUEALw_wcB
Forum: RV Ongoing Maintenance Issues 05-18-2022, 07:26 AM
Replies: 14
Views: 1,005
Posted By wawrzynskivp
Off the top of my head

Prop balance is the sum of its parts.

Could the spinner be out of true or somehow out of balance?
Forum: RV Building Tips/Techniques 05-17-2022, 07:44 AM
Replies: 4
Views: 650
Posted By wawrzynskivp
Funny, just made this comment on another post

For that specific installation I imagine the adel clamp loaded along the engine mount tubing as very prone to slipping. I would try something to fix it in place IRT to tension. It's tricky but I...
Forum: RV Building Tips/Techniques 05-17-2022, 07:35 AM
Replies: 18
Views: 3,642
Posted By wawrzynskivp
Flares for hangar tubing

It's been mentioned before, but a rehash is always good:

The tubing that form the hanging support for the ends of the tubes is prone to slipping.

In my mind a rolled bead at each end of that...
Forum: RV General Discussion/News 05-12-2022, 09:20 AM
Replies: 2
Views: 717
Posted By wawrzynskivp
Nice.........

Nice.........
Forum: RV General Discussion/News 05-11-2022, 08:19 AM
Replies: 9
Views: 710
Posted By wawrzynskivp
Ah, okay. Activation (turning on) of a circuit...

Ah, okay. Activation (turning on) of a circuit in the ACM is done electronically. Even an AFS provided switch panel doesn't actually switch current on and off to the desired device like we are used...
Forum: RV General Discussion/News 05-10-2022, 07:26 AM
Replies: 9
Views: 710
Posted By wawrzynskivp
Not trying to be snarky, but per the AFS wiring...

Not trying to be snarky, but per the AFS wiring diagrams.

The ACM allows for a lot of functionality, but as is always the case you'll probably want to do something out the ACM's number of supported...
Forum: RV Ongoing Maintenance Issues 05-06-2022, 04:17 PM
Replies: 22
Views: 2,285
Posted By wawrzynskivp
Sniffle Valve

I have had two of these stick, which means they let air into the system. At high vacuum you go very lean.
Forum: RV General Discussion/News 05-06-2022, 12:44 PM
Replies: 7
Views: 850
Posted By wawrzynskivp
I have AFS https://www.advancedflightsystems.com/...

I have AFS https://www.advancedflightsystems.com/ , probably worth looking at the screen specs. But that said I have two 12" screens side by side in my -7 and see no degradation looking at one with...
Forum: RV General Discussion/News 05-06-2022, 12:08 PM
Replies: 7
Views: 850
Posted By wawrzynskivp
If I were to do that.....

I would build a template in the right size of something stiff like sheet metal or thin plywood. Cover with packing tape and apply really thick-thickened epoxy to area that needs the asymmetrical ...
Forum: Safety 05-02-2022, 02:53 PM
Replies: 3
Views: 438
Posted By wawrzynskivp
Thanks! !

Thanks! !
Forum: Safety 05-02-2022, 01:00 PM
Replies: 3
Views: 438
Posted By wawrzynskivp
Safety Articles

I found a directory of articles written by the Van's Team: https://vansairforce.net/safety/

One titled 'How to land a RV' promised a follow on article with more details. Anyone have the follow on...
Forum: RV Building Tips/Techniques 05-01-2022, 07:34 AM
Replies: 12
Views: 1,323
Posted By wawrzynskivp
+1 to PlaneCrazy Bent my tubing into an 'S'...

+1 to PlaneCrazy

Bent my tubing into an 'S' rather than a 'C' but same idea. Tidy, right place, and not too strong in case you snag it.
Forum: RV General Discussion/News 04-29-2022, 08:27 AM
Replies: 10
Views: 1,371
Posted By wawrzynskivp
Sika

Happy with mine from 2017
Forum: RV Building Tips/Techniques 04-23-2022, 02:39 PM
Replies: 31
Views: 6,532
Posted By wawrzynskivp
Amine Blush

Amine Blush is certainly not something to leave there before the next coat. But then again, any hardened layer has to be sanded for mechanical tooth anyway.

Blushes vary by epoxy manufacturer, are...
Forum: RV Building Tips/Techniques 04-23-2022, 07:55 AM
Replies: 4
Views: 439
Posted By wawrzynskivp
Here is a pic

I have had good results with this spacing. Can't see it, but I laminated an annulus in the intake ducting to continue the fastner spacing across the plenum lid-intake interface as well.
Forum: RV Building Tips/Techniques 04-22-2022, 02:17 PM
Replies: 6
Views: 655
Posted By wawrzynskivp
+1 on packing tape when the barrier is flat

+1 on packing tape when the barrier is flat
Forum: RV General Discussion/News 04-22-2022, 09:05 AM
Replies: 35
Views: 2,968
Posted By wawrzynskivp
To KeithT

That description rocked!
Forum: RV Building Tips/Techniques 04-21-2022, 08:16 AM
Replies: 31
Views: 6,532
Posted By wawrzynskivp
Wood is an act of love

No doubt that using something natural comes with decomposition problems! But that's the reason some people do it anyway. This is close to 'off-topic' but I offer this experience to show how wood...
Forum: RV Building Tips/Techniques 04-19-2022, 02:51 PM
Replies: 31
Views: 6,532
Posted By wawrzynskivp
Substrate-Epoxy-Laminate(veneer)-Epoxy-Glass-Epoxy...

Substrate-Epoxy-Laminate(veneer)-Epoxy-Glass-Epoxy-UV stable topcoat (varnish/poly of some kind) Absolutely must cover up the epoxy.

Can be done iteratively with a gravity press if the veneer is...
Forum: RV Building Tips/Techniques 04-19-2022, 02:23 PM
Replies: 31
Views: 6,532
Posted By wawrzynskivp
Transparent glass layer

Never tried it on Aluminum, this comes from boatworking...

I like to carefully wet out a layer of woven glass over my laminates. If you are careful you won't be able to see the glass under your...
Forum: Tools 04-17-2022, 09:20 AM
Replies: 12
Views: 1,061
Posted By wawrzynskivp
Tekton on Amazon has worked well for me.

Tekton on Amazon has worked well for me.
Forum: RV General Discussion/News 04-14-2022, 08:38 AM
Replies: 11
Views: 1,106
Posted By wawrzynskivp
ACK mystery activation

Just one data point but here it is:

First flight with wife post-Phase One an out and in to a nice country airport in the mountains.

Something set off my ACK ELT and if my alert LED was lit I didn't...
Forum: RV General Discussion/News 04-12-2022, 08:10 AM
Replies: 35
Views: 2,968
Posted By wawrzynskivp
2nd to Scott Hersha's Experience

I use an Archer IAW the installation guide, and have Scott's described performance. BUT...I also have ZipTips which have notoriously noisy power supplies in the leading edge of the wingtip.

EMI...
Forum: Safety 04-12-2022, 07:57 AM
Replies: 7
Views: 904
Posted By wawrzynskivp
Things tried, and failed

I was concerned about blocking the standard Van's fuel vent path, so I tee'd in a checkvalve at the highest point in the path to break any vacuum. Result was fuel vapor and spittling in the cockpit,...
Forum: RV Ongoing Maintenance Issues 04-09-2022, 04:52 PM
Replies: 8
Views: 1,186
Posted By wawrzynskivp
Frustrating

Can you pull logs to look at all the available engine parameters? Fuel flow, fuel pressure, MAP, anything that might marry up to the RPM fluctuation?
Forum: Tools 04-08-2022, 10:07 AM
Replies: 6
Views: 709
Posted By wawrzynskivp
Spring Backs

My experience was that Cleavland Tools 'Springback' dies make a real difference. Dimples are more crisp and very little residual surface distortion. Apparently other manufacturers use the same name...
Forum: RV Ongoing Maintenance Issues 04-07-2022, 07:52 AM
Replies: 6
Views: 881
Posted By wawrzynskivp
PM on this

PM on this
Forum: Electrical Systems 04-07-2022, 07:42 AM
Replies: 6
Views: 608
Posted By wawrzynskivp
Premature failure happens, but obviously the age...

Premature failure happens, but obviously the age of the battery may force the troubleshooting onwards. There is where the 'known good' part of isolating variables comes in.
Forum: Electrical Systems 04-07-2022, 07:31 AM
Replies: 6
Views: 608
Posted By wawrzynskivp
Nice, if you see an unexplained increase in load...

Nice, if you see an unexplained increase in load then you probably have a battery that is beginning to internally short (normal process of battery age). Do a load check on the battery. A start...
Forum: Electrical Systems 04-07-2022, 07:22 AM
Replies: 6
Views: 608
Posted By wawrzynskivp
Many Possibilities at this point

It certainly could be a current drop, do you have an ammeter to watch that? Depending where an ammeter sits you can make conclusions about whether the battery is participating in the problem, or if...
Forum: RV General Discussion/News 04-03-2022, 08:17 AM
Replies: 2
Views: 359
Posted By wawrzynskivp
KIAO GSM Switch for Preheaters needs update

My reliable KIAO phone activated relay is no longer reachable by call service. Manufacturer says the 3G side of its 4G processor needs an updated chip as 3G gets phased out.

Symptom is that phone...
Forum: RV Building Tips/Techniques 03-30-2022, 07:36 AM
Replies: 11
Views: 1,015
Posted By wawrzynskivp
Not quite to OP but a data point in the discussion

The upper cowl attach hinge in the -7 plans suggested an undersized pin.

I tried the full sized 1/8" pin and while snug, it works well for me.
Forum: RV Ongoing Maintenance Issues 03-30-2022, 07:20 AM
Replies: 6
Views: 709
Posted By wawrzynskivp
Mystery cable issue

On perhaps my fifth hour of phase one I had a throttle cable jam.

Thank lucky stars that it was on landing and once I had pulled it back to idle it was stuck. Seemed stuck near the engine side...
Forum: RV General Discussion/News 03-30-2022, 07:09 AM
Replies: 7
Views: 1,279
Posted By wawrzynskivp
Falcon Insurance

Falcon is one of those companies that hunts underwriters for you.

This year my usual underwriter would have been 10-15% higher, but a different underwriter for the same policy was 40%...
Forum: Reviews 03-30-2022, 07:06 AM
Replies: 3
Views: 533
Posted By wawrzynskivp
Ray Allen

+1 to them.

Had a unique need for a servo and they really took an interest.
Forum: RV Building Tips/Techniques 03-29-2022, 08:07 AM
Replies: 9
Views: 659
Posted By wawrzynskivp
+1 To Dan's method

+1 To Dan's method
Forum: RV Building Tips/Techniques 03-29-2022, 08:04 AM
Replies: 11
Views: 1,015
Posted By wawrzynskivp
Offering what I remember....

Those cowl sections will get cut by you in order to mate correctly. The placement of the hinge isn't super critical, but is benefitted by knowing where final mating edges will be.

I am sure there...
Forum: Safety 03-28-2022, 10:13 AM
Replies: 20
Views: 1,792
Posted By wawrzynskivp
Black and White Vs Grey

Foghorn touched on this at least by inference and it's worthy of note.

I am glad for the grey areas, they are sometimes truly wonderful and I would do nothing to change them. One such grey area in...
Forum: Safety 03-28-2022, 08:42 AM
Replies: 20
Views: 1,792
Posted By wawrzynskivp
This is the kind of discussion I had hope for,...

This is the kind of discussion I had hope for, nugging out some of the details that are truly a little confusing:

Try certifying an ELSA like an RV-12 without a POH and see what happens. Does it...
Forum: Safety 03-28-2022, 08:40 AM
Replies: 20
Views: 1,792
Posted By wawrzynskivp
I was going to step away having said enough on...

I was going to step away having said enough on the original post. But this is a whole different angle (really not anything to do with OP) on the question and certainly a meaningful one. ...
Forum: Safety 03-27-2022, 12:19 PM
Replies: 20
Views: 1,792
Posted By wawrzynskivp
Abilene Paradox

Thank you all for chiming in. Pretty much where I expected the views to drift, even the Ad Hominem angle is par for the course when we discuss things like this.

The Abilene Paradox or 'the road to...
Forum: Safety 03-26-2022, 10:41 AM
Replies: 20
Views: 1,792
Posted By wawrzynskivp
EAB: the Aircraft Flight Manual, and Phase One Testing

Hello All,

This is a post to inspire some thought. The hard answers here would come from the FAA. Members of several FSDOs on the Flight Inspector side as well as the Certification side admit...
Forum: RV General Discussion/News 03-24-2022, 09:32 AM
Replies: 38
Views: 3,234
Posted By wawrzynskivp
1800WxBrief on phone

I tend to carry a small laptop for ease of reading things, but a flight plan can be E-filed on a phone with 1800WxBrief. I know I must be missing something.
Forum: RV General Discussion/News 03-24-2022, 08:37 AM
Replies: 38
Views: 3,234
Posted By wawrzynskivp
If I use LEIDOS 1800WxBrief what am I missing?

Hello All,

It's a bit of an ask since I am coming from the perspective of ignorance about the actual/practical usability of pay for planning systems.

With the FAA's sponsored tool I plan for...
Forum: RV General Discussion/News 03-20-2022, 09:22 AM
Replies: 14
Views: 1,089
Posted By wawrzynskivp
Responsible use of resources

Wish I could help with the cord repair. But I do want to support your frustration.

I am far from being any kind of 'greeny' or Gaia resource alarmist. But today's marketplace ostensibly demands it...
Forum: RV Ongoing Maintenance Issues 03-19-2022, 08:38 AM
Replies: 24
Views: 3,039
Posted By wawrzynskivp
NOT regular epoxy, it isn't generally UV stable. ...

NOT regular epoxy, it isn't generally UV stable. It'll turn brown and crumble over time. Use an Acrylic repair.
Forum: Safety 03-16-2022, 06:50 PM
Replies: 12
Views: 1,246
Posted By wawrzynskivp
NorthWest or SouthEast

Having flown with Mike out of Vernonia I would say try to set things up for the SouthEast direction on that field. It's quite possible to land to the NorthWest but you'll be close to the tree tops...
Forum: RV General Discussion/News 03-15-2022, 01:10 PM
Replies: 3
Views: 604
Posted By wawrzynskivp
Often the discussion moves toward adding return...

Often the discussion moves toward adding return spring tension to prevent brake drag.
Forum: RV General Discussion/News 03-15-2022, 11:10 AM
Replies: 33
Views: 4,862
Posted By wawrzynskivp
Caveat Emptor (sort of)

Quality aside pricing is indeed a moving target!

Even Amazon is no longer reliable as nearly the best deal going.

BTW, always delete your shopping cookies after purchase if you can. Prices you see...
Forum: RV Ongoing Maintenance Issues 03-14-2022, 04:31 PM
Replies: 24
Views: 3,039
Posted By wawrzynskivp
How big a hole?

This is a best guess/gamble. The point is to spread the stress over a larger radius than the knife edge of the current crack propagation.

The more stress present the larger the radius to keep it...
Forum: RV Ongoing Maintenance Issues 03-14-2022, 08:17 AM
Replies: 24
Views: 3,039
Posted By wawrzynskivp
'Special Bit'

There are specific twist drill bits for plastic. But I like to use a very fine step 'step drill'
Forum: RV Ongoing Maintenance Issues 03-13-2022, 10:16 PM
Replies: 24
Views: 3,039
Posted By wawrzynskivp
Start with a stop drill

Do what you can right away to relieve any residual stress concentrating at the end of that crack. In other words, stop that crack progress first.

Lots of techniques: My choice was a very fine...
Forum: RV Building Tips/Techniques 03-10-2022, 04:58 PM
Replies: 18
Views: 2,090
Posted By wawrzynskivp
Brand Name Tekton

I have two Tekton 'click' wrenches. One for inch*pounds one for Ft*pounds.

I also have a couple of the beam styles. But the Tektons have been so reliable and with a distinct bump or click, that I...
Forum: Flight Testing 03-10-2022, 07:26 AM
Replies: 7
Views: 22,491
Posted By wawrzynskivp
Going to try this, thanks!

Going to try this, thanks!
Forum: RV Building Tips/Techniques 03-09-2022, 11:47 AM
Replies: 18
Views: 2,090
Posted By wawrzynskivp
Alternate torquing

It's good to have a hanging scale like one would measure the weight of a fish. Measure the distance from the bolt center in a wrench to where you can attach the scale and do the math for proper...
Forum: RV Ongoing Maintenance Issues 03-07-2022, 12:22 PM
Replies: 25
Views: 4,191
Posted By wawrzynskivp
Go with a good assessment first

Of course a competent aviation damage assessment is first. Our structures transmit impacts in their own way and a trained eye needs to look for the witness marks of transmitted strain.

But, once...
Forum: RV General Discussion/News 03-05-2022, 06:34 PM
Replies: 21
Views: 2,488
Posted By wawrzynskivp
Databases enforce data integrity

That's just not true. Database tables are integrity driven. Spreadsheets generally don't concern themselves with the integrity of the data. Spreadsheets that have calculated values in their cells...
Forum: RV Building Tips/Techniques 03-05-2022, 10:13 AM
Replies: 13
Views: 1,021
Posted By wawrzynskivp
As much as you can tolerate

Van's plans are great. But as in any complex routine there is room for sequencing conflicts. Knowing what you will need to do later will definitely help you decide when to do things a little...
Forum: RV Ongoing Maintenance Issues 03-04-2022, 11:17 AM
Replies: 20
Views: 2,587
Posted By wawrzynskivp
Battery Monitoring System BMS

Jim,

Did your battery have a BMS? My understanding is that that system will prevent damaging discharges (if working properly).

I bring that up because our engine compartments can very easily...
Showing results 1 to 64 of 313

 
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