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Search: Posts Made By: FinnFlyer
Forum: VAF Classifieds (posts in here deleted after 30 days) 07-10-2020, 02:04 PM
Replies: 5
Views: 356
Posted By FinnFlyer
Van's

Got reply from Vans on the RV-4 harnesses:

"2.10lb for a single harness."

Looks like the lightest option, but not least expensive.

Aces Racing 5 Point Harness With 2 Inch Padding is $70 but weighs...
Forum: VAF Classifieds (posts in here deleted after 30 days) 07-10-2020, 02:02 PM
Replies: 5
Views: 345
Posted By FinnFlyer
Warning

I built my own years ago using Bob's schematic. Installed one in the RV-4 and blew it up.

I mounted it on the breaker with short thick 16 AWG wires.

Use 22 AWG or smaller.
Mount several feet from...
Forum: RV-9/9A 07-09-2020, 08:57 AM
Replies: 52
Views: 12,243
Posted By FinnFlyer
G-force harness -- heavy!

A bit heavy?

6.5 pounds compared to 1 pound for the car belt and shoulder straps I had in my old RV-3!

In an RV-4 that's 13 pounds vs 2 pounds.

Finn
Forum: VAF Classifieds (posts in here deleted after 30 days) 07-08-2020, 05:22 PM
Replies: 5
Views: 356
Posted By FinnFlyer
Too heavy?

OK, so I just received the G-force 6000BK harnesses.

Nice, except for two things:
1) Tag on them that say they expire at end of 2022. I'm sure that will go over well at condition inspections.
2)...
Forum: VAF Classifieds (posts in here deleted after 30 days) 07-06-2020, 07:13 AM
Replies: 5
Views: 356
Posted By FinnFlyer
Thank you. I decided to go with new...

Thank you. I decided to go with new ones:

https://www.summitracing.com/parts/gfr-6000bk

Finn
Forum: VAF Classifieds (posts in here deleted after 30 days) 07-05-2020, 10:06 AM
Replies: 5
Views: 356
Posted By FinnFlyer
WTB: Seat belts for RV-4

I thought my RV-4 project came with complete harnesses, but when I looked closer there are 4 shoulder straps (Davis Restraint Systems, Inc.) and only 1/2 of a belt. Tan colored.

If someone has a...
Forum: RV-8/8A 07-04-2020, 08:19 AM
Replies: 18
Views: 2,238
Posted By FinnFlyer
Sorry. I guess it's an aileron roll :( Finn

Sorry. I guess it's an aileron roll :(

Finn
Forum: Painting your RV 07-03-2020, 07:50 PM
Replies: 9
Views: 2,211
Posted By FinnFlyer
PPG PSX 700

Dan,

What did you find regarding weight?

Anyone have total sq ft needed for an RV-4?

Finn

(Still trying to decide between paint and vinyl for lightest coverage -- have the numbers for vinyl;...
Forum: RV-8/8A 07-03-2020, 08:32 AM
Replies: 18
Views: 2,238
Posted By FinnFlyer
From a RV-3 non-aerobatic pilot's...

From a RV-3 non-aerobatic pilot's perspective:

Start at 140 - 160 mph level.
Rudder neutral.
Pull back on the stick until it looks like you're at a 45 angle (probably more like 15 to 30 degrees in...
Forum: RV General Discussion/News 06-28-2020, 08:44 AM
Replies: 17
Views: 632
Posted By FinnFlyer
Rico, you already got your answer/suggestion by...

Rico, you already got your answer/suggestion by Walt in post#6 above.

Finn
Forum: Florida (Central) 06-23-2020, 07:03 AM
Replies: 11
Views: 1,189
Posted By FinnFlyer
Been a year or two, but the runway was in good...

Been a year or two, but the runway was in good shape. But yes, it's grass.

You do have to get used to its funny elevation. Coming in on 36 you go downhill, then uphill.

Finn
Forum: RV Building Tips/Techniques 06-21-2020, 03:59 PM
Replies: 17
Views: 938
Posted By FinnFlyer
Tom, I'm not familiar with the EFIS units, but I...

Tom, I'm not familiar with the EFIS units, but I assume they want something like 0 to 5V.

Using an Arduino Nano or similar would not be a bad idea. It would give you a lot of flexibility in using...
Forum: RV Building Tips/Techniques 06-21-2020, 10:27 AM
Replies: 17
Views: 938
Posted By FinnFlyer
I didn't think so. So would be interesting if the...

I didn't think so. So would be interesting if the current reading and discrepancy is due to having other than 100LL in the tank, or if the tank has only seen 100LL.

Finn
Forum: RV Building Tips/Techniques 06-21-2020, 07:01 AM
Replies: 17
Views: 938
Posted By FinnFlyer
Is that also with 100LL? Does the 100LL...

Is that also with 100LL?
Does the 100LL formulation change with seasons?

FInn
Forum: RV Building Tips/Techniques 06-20-2020, 07:03 PM
Replies: 17
Views: 938
Posted By FinnFlyer
Both + 1 extra plate

The cheap RV-8 capacitive sender (an isolated plate close to tank root rib and an isolated plate close to the outboard tank rib) should give you the option of full range readout. The float senders...
Forum: COMM 06-17-2020, 07:49 PM
Replies: 43
Views: 4,170
Posted By FinnFlyer
Ferrites

After reading Jim Weir, I'm thinking ferrite coils. I would try to slip one over the cable where it leaves the wing tip. Probably a lot cheaper than double-shielded cable.

Just a thought.

Finn
Forum: Electrical Systems 06-15-2020, 05:39 PM
Replies: 30
Views: 4,913
Posted By FinnFlyer
The 1/4" A18051 heat shrink tubing works OK up to...

The 1/4" A18051 heat shrink tubing works OK up to 22 or 24 AWG. For 26 and higher the tubing doesn't shrink enough to really grip the wire.

The Dymo LabelManager 160 likes to waste label tubing (and...
Forum: Electrical Systems 06-12-2020, 12:00 PM
Replies: 36
Views: 2,285
Posted By FinnFlyer
The kit I'm looking at has the reflector held in...

The kit I'm looking at has the reflector held in place with two screws with washers into nutplates.

So, you'd unscrew them and pull the reflector out.

From the "Duckworks Landing Light Installation...
Forum: COMM 06-11-2020, 07:18 PM
Replies: 21
Views: 4,619
Posted By FinnFlyer
Looks like I'll have to mount the echoUAT antenna...

Looks like I'll have to mount the echoUAT antenna about 10' aft of the firewall (I moved the GTX320A antenna about 7' aft of firewall to keep distance to 5.5' long muffler/exhaust pipe).

But if...
Forum: RV-4 06-06-2020, 06:21 PM
Replies: 20
Views: 5,152
Posted By FinnFlyer
I think it requires both a new engine mount and...

I think it requires both a new engine mount and gear legs and maybe cowling. I could be wrong.

"Easily" is a relative term. $ and time.

Finn
Forum: COMM 06-06-2020, 06:00 PM
Replies: 23
Views: 1,775
Posted By FinnFlyer
DIY

I think that box was based on a Kitplanes article by Jim Weir.

Simple to make yourself, although I wince at that jack connector to the handheld radio. Instead use a simple SPDT mini switch and BNC...
Forum: COMM 06-05-2020, 06:03 AM
Replies: 23
Views: 1,775
Posted By FinnFlyer
Interesting. In my old RV-3 I only had a handheld...

Interesting. In my old RV-3 I only had a handheld Icom mounted so the rubber ducky stuck up over the front/left canopy bow. Don't recall having a problem with it. Flew in Tampa Class B airspace.

Finn
Forum: RV General Discussion/News 06-04-2020, 08:22 AM
Replies: 3
Views: 271
Posted By FinnFlyer
Landing light placement

Why do we place the landing (and taxi) light in the outermost wing bay or wingtip?

Mounting it in the bay next to the fuel tank would give a shorter wire run.

Is it because it would weaken the...
Forum: RV-4 06-04-2020, 07:49 AM
Replies: 5
Views: 432
Posted By FinnFlyer
In my RV-4 I used undrilled root ribs, like in...

In my RV-4 I used undrilled root ribs, like in the RV-8. There is no big access panel. I just drilled the hole for the sender and its screws.

So it is possible to remove the sender without removing...
Forum: RV-4 05-30-2020, 07:52 AM
Replies: 5
Views: 501
Posted By FinnFlyer
I updated the link. Let me know if it's still not...

I updated the link. Let me know if it's still not accessible.

(Google Drive is extremely slow for me, and for some reason that file was set as restricted.)

Finn
Forum: RV-4 05-29-2020, 08:43 PM
Replies: 5
Views: 501
Posted By FinnFlyer
Here they are

PDF file:

https://drive.google.com/file/d/1HTLCpT2Cr8QjQGS5XrEWWnnBZ6bxofDK/view?usp=sharing
Forum: RV Ongoing Maintenance Issues 05-29-2020, 06:06 AM
Replies: 24
Views: 2,890
Posted By FinnFlyer
Not leaks

I don't think the paint bubbles over the rivets are leaks as much as some kind of out gassing from the proseal.

My RV-3B quickbuild wings have them too. Using 87 octane gas station gas (up to 10%...
Forum: RV-4 05-21-2020, 04:59 AM
Replies: 2
Views: 498
Posted By FinnFlyer
Solved

Thank you David.

I do have the master cylinders. But good to know about the Matco.

I found the slave cylinders from my old totaled RV-3. Yeah!

One of the Cleveland discs appear serviceable.

My...
Forum: RV-4 05-20-2020, 02:43 PM
Replies: 2
Views: 498
Posted By FinnFlyer
Wheels and Brakes

Looks like my RV-4 project did not come with slave cylinders.

Came with set of Cleveland 40-78B wheels and a set of discs -- one of them bent (unusable). Then I have a set of discs from my old RV-3,...
Forum: ADS-B 05-19-2020, 07:51 AM
Replies: 19
Views: 1,435
Posted By FinnFlyer
Appears to be a general misconception. I...

Appears to be a general misconception.
I understand that the exhoUAT gets the squawk/ModeC data from its power wire. In other words, the transponder (not being perfectly filtered) loads its power...
Forum: Electrical Systems 05-18-2020, 08:17 AM
Replies: 36
Views: 2,285
Posted By FinnFlyer
Nibbler

If you are worried about the cutting tool getting away from you consider a nibbler. Hand or powered.

Yes, takes much longer and strengthens your forearm muscles, but no worries.

Something like...
Forum: RV-3 05-15-2020, 01:08 PM
Replies: 4
Views: 980
Posted By FinnFlyer
I have scans of plans stamped SN 11064. Files are...

I have scans of plans stamped SN 11064. Files are pretty big. Let me know which drawing(s) you need and I can upload them

Also have scanned plans SN...
Forum: RV-3 05-12-2020, 07:52 AM
Replies: 10
Views: 1,215
Posted By FinnFlyer
Is this new to your airplane? Did it fly straight...

Is this new to your airplane? Did it fly straight before?

Also check gear leg fairings (and wheel pants).

Finn
Forum: Fiberglass 05-09-2020, 04:14 PM
Replies: 4
Views: 577
Posted By FinnFlyer
Used vinyl hose from Home Depot or Lowes. Finn

Used vinyl hose from Home Depot or Lowes.

Finn
Forum: ADS-B 05-09-2020, 07:49 AM
Replies: 9
Views: 1,357
Posted By FinnFlyer
You mean "near the USB charger"? If the USB...

You mean "near the USB charger"?

If the USB charger is generating the noise, you'll want to kill it before it travels from the unit into the power cable that feeds it.

Oh, I see. USB cord from the...
Forum: RV-3 05-02-2020, 08:44 AM
Replies: 3
Views: 483
Posted By FinnFlyer
Wag-Aero? Finn

Wag-Aero?

Finn
Forum: RV General Discussion/News 05-02-2020, 08:26 AM
Replies: 16
Views: 769
Posted By FinnFlyer
Keep it simple

https://drive.google.com/open?id=1Oi9jZRUBanSgFRB5NQM4UyPWZh0G9TMB

https://drive.google.com/open?id=1olRmtq0-XBOJe_qwD-Wf-zh26NJUVfyP

Shamelessly stolen from the guy who sold me my Dynon...
Forum: ADS-B 05-01-2020, 07:01 PM
Replies: 8
Views: 766
Posted By FinnFlyer
Just trying to make my RV-3B ADSB-Out legal. No...

Just trying to make my RV-3B ADSB-Out legal.
No plans to go above 18,000'

I'm considering the RV-4 I'm building to be my cruise or trip plane.

Considering I don't need ADSB-Out for local flights...
Forum: ADS-B 05-01-2020, 06:48 PM
Replies: 8
Views: 766
Posted By FinnFlyer
OK, so I'm back to the echoUAT/FSKYFYX-EXT bundle...

OK, so I'm back to the echoUAT/FSKYFYX-EXT bundle as the least expensive solution for me (and includes ADS-B in).

Just have to live with two antennas.

Finn
Forum: ADS-B 05-01-2020, 04:57 PM
Replies: 8
Views: 766
Posted By FinnFlyer
Thanks Bob. So the only way to have only one...

Thanks Bob.

So the only way to have only one transponder antenna is to have an 1090ES with ADS-B Out like the Stratus 1090ESG. Sucks!

I wonder how far the UAT antenna really have to be from the...
Forum: ADS-B 05-01-2020, 02:00 PM
Replies: 8
Views: 766
Posted By FinnFlyer
echoUAT with no (old) transponder?

If I read the documentation correctly, the echoUAT can either get squawk code, altitude and Ident by sniffing power to old transponder or from a modern EFIS unit.

Also says to keep its antenna at...
Forum: Electrical Systems 04-30-2020, 12:30 PM
Replies: 59
Views: 5,575
Posted By FinnFlyer
He does have a fusible link in the wire to the...

He does have a fusible link in the wire to the alternator.
In case of main contactor failure, battery will still be charged and can power essential bus.

However, in case of rectifier diodes in...
Forum: RV General Discussion/News 04-29-2020, 07:27 PM
Replies: 14
Views: 1,350
Posted By FinnFlyer
As far as I understand, the Archer wingtip...

As far as I understand, the Archer wingtip antenna is for Nav (VOR) -- horizontal polarization.

Or is there also a vertical Archer? I can imagine that you could get partially vertical going from...
Forum: Electrical Systems 04-29-2020, 07:17 PM
Replies: 59
Views: 5,575
Posted By FinnFlyer
Does the main alternator stop outputting when...

Does the main alternator stop outputting when "field" voltage to is is cut?

Finn
Forum: Glass Cockpit 04-28-2020, 06:44 AM
Replies: 11
Views: 954
Posted By FinnFlyer
RV-4 not complete but ... Planning on making a...

RV-4 not complete but ...

Planning on making a shelf between LE ribs next to tank. Will require tank removal to service.

Probably silly, but would like to mount the (fat) OAT probe in front of the...
Forum: Autopilots 04-24-2020, 07:24 AM
Replies: 2
Views: 309
Posted By FinnFlyer
Thank you Don. With the 2" spaced hole in the...

Thank you Don.

With the 2" spaced hole in the bell crank it definitely does not go over center when moving to elevator stops. One could be tempted to make it less than 2" to allow for a bit more arm...
Forum: RV General Discussion/News 04-23-2020, 06:07 PM
Replies: 20
Views: 1,725
Posted By FinnFlyer
Worked fine at first, but now my HF eats...

Worked fine at first, but now my HF eats batteries like there's no tomorrow.

I guess for occasional use one could hook up an external battery.

Finn
Forum: Autopilots 04-23-2020, 03:11 PM
Replies: 2
Views: 309
Posted By FinnFlyer
Dynon SV-32 elevator servo orientation

Installing a Dynon SV-32 elevator servo in my RV-4.

I have a clearance problem at the AN3H-4A bolt head and the shop head rivets in the bell crank if I install it on the left side of the airplane,...
Forum: RV-3 04-21-2020, 09:41 AM
Replies: 7
Views: 1,050
Posted By FinnFlyer
I assume you're talking about the sliding canopy,...

I assume you're talking about the sliding canopy, not the tip-over?

I took off and flew with my unlatched tip-over canopy for maybe 10 - 20 seconds before it departed the airplane. Didn't notice any...
Forum: RV General Discussion/News 04-21-2020, 09:35 AM
Replies: 5
Views: 473
Posted By FinnFlyer
A visual inspection should show you want is...

A visual inspection should show you want is preventing you from turning the handle the last 20 degrees to horizontal.

In my RV-4, what stops the handle from turning further are the nuts on the...
Forum: RV Ongoing Maintenance Issues 04-21-2020, 09:14 AM
Replies: 21
Views: 2,141
Posted By FinnFlyer
Please realize that a LED typically uses way less...

Please realize that a LED typically uses way less current than an incandescent bulb. Thus your match is off. Just because the PPA can supply 100mA is no reason you have to use it all (unless you want...
Forum: RV-14 04-21-2020, 08:59 AM
Replies: 40
Views: 2,903
Posted By FinnFlyer
Location

Just curious.

Decades ago the "best" location was determined experimentally.
Anyone know how?

Has the location later been verified by fluid dynamic modelling?

Finn
Forum: Electrical Systems 04-16-2020, 07:32 AM
Replies: 20
Views: 1,338
Posted By FinnFlyer
Under cowl

On my RV-3B the builder put it under the horz/vert stab fairing. No Idea how well it works.

In the RV-4 I'm looking at mounting it on the firewall (as ground plane) sticking forward under the...
Forum: RV-3 04-14-2020, 07:13 AM
Replies: 20
Views: 5,564
Posted By FinnFlyer
If I remember correctly. I rested the bucking bar...

If I remember correctly. I rested the bucking bar on a rag or foam on the leading edge skin and had the rivet gun on the rear side of the spar. I may have been resting the gun on something too, to...
Forum: RV-3 04-11-2020, 02:47 PM
Replies: 20
Views: 5,564
Posted By FinnFlyer
My main spar rivets were 1/8". So didn't require...

My main spar rivets were 1/8".
So didn't require high precision drilling because the new rivets called for are 3/16". (Just ensure adequate edge distance.)

I got a 7.5 pound chunk of tool steel I...
Forum: RV-9/9A 04-09-2020, 06:13 PM
Replies: 3
Views: 762
Posted By FinnFlyer
Which prop reduction gear? I paid $3,000 for an...

Which prop reduction gear?

I paid $3,000 for an almost new Real World Solutions (RWS) RD-1C. (2:85:1)

As for the engine, depends on history. If all new parts, could be worth something.

Finn
Forum: RV General Discussion/News 04-09-2020, 06:01 PM
Replies: 18
Views: 2,262
Posted By FinnFlyer
Sorry. wrong answer. This is related to post #15...

Sorry. wrong answer.

This is related to post #15 above.

----------------

I can answer that because I have Mark's...
Forum: RV Building Tips/Techniques 04-09-2020, 07:34 AM
Replies: 18
Views: 1,690
Posted By FinnFlyer
No harm in questioning "best practices",...

No harm in questioning "best practices", especially if it leads to an understanding of why it's considered best, recommended or required practice.

Finn
Forum: Traditional Aircraft Engines 04-05-2020, 06:40 PM
Replies: 11
Views: 1,117
Posted By FinnFlyer
Could the BSFC be even higher, full power, full...

Could the BSFC be even higher, full power, full rich on a cold day on climb out?

Finn
Forum: Electrical Systems 04-03-2020, 03:13 PM
Replies: 5
Views: 481
Posted By FinnFlyer
Failed W31-

Here a picture of my failed 10A W31 switch/breaker:

http://drive.google.com/open?id=1zJSUbWTTA_ZmIKcs7fZkp8Xr3OsX0QyY

This looks to me like a design failure. Copper braid broke at the point where...
Forum: Electrical Systems 04-03-2020, 11:13 AM
Replies: 5
Views: 481
Posted By FinnFlyer
How to mount W31- switch/breakers

I looked at the spec sheet of the Tyco W31- series switch/breakers.
It's not clear if the nut against the plastic housing is required.
If not tightened the housing flops around a bit.

I want to...
Forum: RV General Discussion/News 04-02-2020, 08:54 AM
Replies: 9
Views: 1,157
Posted By FinnFlyer
Slightly off topic. How about BFRs? Finn

Slightly off topic.

How about BFRs?

Finn
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