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Search: Posts Made By: spatsch
Forum: Traditional Aircraft Engines 06-20-2018, 07:40 AM
Replies: 22
Views: 2,405
Posted By spatsch
Good question. I never measured it that...

Good question. I never measured it that precisely. It does seem that spin entry to the right is quit a bit slower but I never timed that precisely either.

Oliver
Forum: Traditional Aircraft Engines 06-20-2018, 04:56 AM
Replies: 22
Views: 2,405
Posted By spatsch
Now you got me intrigued. I was pretty sure it...

Now you got me intrigued. I was pretty sure it was fuel going to the outside as I can reproduce the same effect if I do 6-8 rolls in a row (compared to the airplanes you mention I don't have inverted...
Forum: Traditional Aircraft Engines 06-19-2018, 03:22 PM
Replies: 22
Views: 2,405
Posted By spatsch
Here is a video of a 47 turn (I think ...)...

Here is a video of a 47 turn (I think ...) spin:

http://www.spatscheck.com/oliver/Spin.mp4

the engine quits because fuel gets pushed to the outside of the tank so the engine starves. Prop stops...
Forum: RV-8/8A 06-03-2018, 08:05 AM
Replies: 8
Views: 1,116
Posted By spatsch
During phase 1 I measured without inverted oil or...

During phase 1 I measured without inverted oil or fuel pick up on an IO360 M1B with fixed pitch prop the following oil pressures inverted:

80psi->50psi = 3 seconds ( min for continues ops at full...
Forum: Places To Fly...Things to See...Things to Eat 05-29-2018, 11:23 AM
Replies: 22
Views: 1,522
Posted By spatsch
Thanks for hosting the fly in. My son and I had a...

Thanks for hosting the fly in. My son and I had a great time. Sorry for heading out early but I just wasn't sure if those T-storms would show up on my way home to NJ or not .... .

Thx

Oliver
Forum: RV General Discussion/News 05-21-2018, 11:15 AM
Replies: 23
Views: 2,712
Posted By spatsch
Sorry if I confused people with my reply. I...

Sorry if I confused people with my reply.

I don't consider fuel injection part of an inverted system.... . So for me inverted system means inverted fuel pickup and oil. Hope that explains it.

And...
Forum: RV General Discussion/News 05-19-2018, 08:58 PM
Replies: 23
Views: 2,712
Posted By spatsch
I think you are mixing two things up. I agree...

I think you are mixing two things up.

I agree that you want an engine with fuel injection to prevent your engine from quitting, however, you donít need an inverted system for sportsman.

I donít...
Forum: RV General Discussion/News 05-19-2018, 05:21 PM
Replies: 23
Views: 2,712
Posted By spatsch
Speed clearly helps your roll. 150mph is plenty,...

Speed clearly helps your roll. 150mph is plenty, faster doesn't hurt.

The current sportsman routine has a roll after an immelman turn. The max speed I can get to before flying out of the box in...
Forum: RV General Discussion/News 05-11-2018, 07:34 PM
Replies: 41
Views: 3,715
Posted By spatsch
I think what people frequently overlook in those...

I think what people frequently overlook in those matters is the fact that they might eventually sell the airplane.

Now you could argue that you can increase your max cross to 2000lb as you really...
Forum: Northeast 05-11-2018, 07:09 PM
Replies: 6
Views: 690
Posted By spatsch
Yes can recommend Damian his place is called...

Yes can recommend Damian his place is called Andover Flight Academy itís at Aeroflex airport.

Oliver
Forum: RV-8/8A 05-05-2018, 03:23 PM
Replies: 39
Views: 2,950
Posted By spatsch
Agree there are two holes only one of them will...

Agree there are two holes only one of them will give you an interference free route when the rudder cables are under tension. I would ensure that this is interference free before the next flight....
Forum: Safety 05-04-2018, 04:43 AM
Replies: 65
Views: 7,687
Posted By spatsch
Totally agree. I donít find color particularly...

Totally agree. I donít find color particularly useful and aircraft type marginally useful ( knowing itís a single engine low wing helps, listening to an exotic airplane type doesnít ).

What I do...
Forum: RV General Discussion/News 01-14-2018, 02:04 PM
Replies: 0
Views: 481
Posted By spatsch
2018 IAC Sportsman and your engine

I frequently get the question:

"Do you need an inverted system to fly the IAC Sportsman routine in a contest?"

As others have stated before you don't. However, I figured people might like to see...
Forum: RV General Discussion/News 01-10-2018, 01:02 PM
Replies: 41
Views: 9,224
Posted By spatsch
I did use the end roll piece approach to vinyl...

I did use the end roll piece approach to vinyl wrapping and had my kids cut them before applying (nice family project ...):

http://www.spatscheck.com/oliver/patches.jpg

my EAA chapter calls me now...
Forum: RV-9/9A 01-08-2018, 07:30 AM
Replies: 9
Views: 1,534
Posted By spatsch
I had a good experiences with this...

I had a good experiences with this approach:

https://www.polyvance.com/pfxcanopy.php-1

not invisible but haven't had any issues since.

Oliver
Forum: RV General Discussion/News 12-30-2017, 09:30 PM
Replies: 40
Views: 7,689
Posted By spatsch
Thatís from my phase 1 flight testing. Simple top...

Thatís from my phase 1 flight testing. Simple top of a loop with a go pro from the wingtip. As you can see looking at my body I was carrying way to many positive Gís I hope I improved somewhat since...
Forum: RV General Discussion/News 12-30-2017, 08:42 PM
Replies: 40
Views: 7,689
Posted By spatsch
To add to this even if you had an inverted system...

To add to this even if you had an inverted system at 0g (which you should have on a straight up or down line) the valve on the breather line will not be properly closed in either direction so some...
Forum: RV-14 10-22-2017, 01:37 PM
Replies: 14
Views: 2,505
Posted By spatsch
Here you go: Loops, Horizontal Eights 140-190...

Here you go:

Loops, Horizontal Eights 140-190 MPH
Immelman Turns 150-190
Aileron Rolls, Barrel Rolls 120-190
Snap Rolls 80-110
Vertical Rolls 180-190
Split-S 100-110

I have no first hand experience...
Forum: RV General Discussion/News 10-22-2017, 09:44 AM
Replies: 22
Views: 3,313
Posted By spatsch
I actually disagree. You could fix this easily...

I actually disagree. You could fix this easily and fly another 2150 hours with it.

Yours looks MUCH better then that:

https://www.polyvance.com/pfxcanopy.php-1

grind out in a V shape, fill,...
Forum: Mid-Atlantic 10-20-2017, 05:34 PM
Replies: 4
Views: 722
Posted By spatsch
I don't have an answer to your original question...

I don't have an answer to your original question but wanted to point out a couple of other things which might interest you.

Many IAC chapters have practice days. Now to fly you need to be a member...
Forum: Safety 10-19-2017, 01:37 PM
Replies: 13
Views: 3,447
Posted By spatsch
+1 I feel sorry that you had to figure it out...

+1

I feel sorry that you had to figure it out that way but I thought that was extremely useful info.

Thanks for posting!

Oliver
Forum: Electronic Ignition Systems 10-14-2017, 08:56 AM
Replies: 158
Views: 20,330
Posted By spatsch
I was applauding your approach of trying to bring...

I was applauding your approach of trying to bring logic to this until you made above unsubstantiated claim.

What data do you have to back this up in any way?

You seem to imply that physical TDC...
Forum: Electronic Ignition Systems 10-10-2017, 05:50 PM
Replies: 158
Views: 20,330
Posted By spatsch
This certainly affects US pilots too. Here just...

This certainly affects US pilots too. Here just one NTSB report with two fatalities:

https://www.aopa.org/asf//ntsb/narrative.cfm?ackey=1&evid=20050815X01247

This is also thought as part of the...
Forum: RV General Discussion/News 09-17-2017, 04:09 PM
Replies: 22
Views: 3,253
Posted By spatsch
That's VERY common. Without an adjustable rudder...

That's VERY common. Without an adjustable rudder trim there will always be airspeed/power combinations at which your airplane does not fly coordinated hands (or feet ) off. Just think about how much...
Forum: COMM 09-12-2017, 06:13 PM
Replies: 13
Views: 1,129
Posted By spatsch
Yes happened to me too and they fixed it no...

Yes happened to me too and they fixed it no charge. Something like:

https://www.digikey.com/en/product-highlight/w/wurth-electronics/d-sub-filter-connectors

might fix the problem too when inserted...
Forum: Nosewheel vs. Tailwheel 09-08-2017, 11:44 AM
Replies: 32
Views: 6,210
Posted By spatsch
I am not sure what the actual numbers are I...

I am not sure what the actual numbers are I landed at certainly north of 20kts.

As others have stated what AWOS etc. reports and what is actually real at the instance of touch down are often quite...
Forum: RV General Discussion/News 09-01-2017, 02:06 PM
Replies: 5
Views: 883
Posted By spatsch
Yes I am struggling with the Cuban. 1/2 rolls in...

Yes I am struggling with the Cuban. 1/2 rolls in the middle, 45 degree line, partial loops at same altitude with same radius lots of things to get wrong.... . I finally had the 1/2 rolls in the...
Forum: RV General Discussion/News 09-01-2017, 09:47 AM
Replies: 5
Views: 883
Posted By spatsch
North East Acro Contest

Last weekend I finished my 3rd acro contest (2nd sportsman contest) and I am still somewhat disappointed that there are no other RVs around in the North/East. Only one I saw was Ron last year at...
Forum: Electrical Systems 08-18-2017, 06:37 AM
Replies: 18
Views: 2,306
Posted By spatsch
Not quite. I just swapped and if you use a hold...

Not quite. I just swapped and if you use a hold down bracket such as:

http://www.aircraftspruce.com/catalog/elpages/odysseydry9.php?clickkey=7358

the EarthX is just a tinny bit taller. Now the...
Forum: RV-8/8A 08-07-2017, 08:35 AM
Replies: 10
Views: 2,066
Posted By spatsch
I used this...

I used this approach:

https://www.polyvance.com/pfxcanopy.php-1

Worked fine.

Oliver
Forum: RV-10 08-02-2017, 11:07 AM
Replies: 7
Views: 966
Posted By spatsch
FYI the NOTAMs are out they start on the 4th end...

FYI the NOTAMs are out they start on the 4th end on the 20th. There are two. The arrival one does cover the Hudson River SFRA the main one actually excludes it explicitly. So you could still fly the...
Forum: RV-10 07-28-2017, 05:59 AM
Replies: 7
Views: 966
Posted By spatsch
Just be aware that currently they are planing for...

Just be aware that currently they are planing for a POTUS TFR out of Bedminster 8/3-8/20 so that will shut down the corridor too (as well as Vlad unless he evacuates first as he is in the 10 mile...
Forum: RV General Discussion/News 07-27-2017, 10:54 AM
Replies: 20
Views: 3,439
Posted By spatsch
I think actually the more interesting number...

I think actually the more interesting number is:

Positive and negative gusts of 25 f.p.s. at VD must be considered at altitudes between sea level and 20,000 feet. The gust velocity may be reduced...
Forum: Safety 07-24-2017, 03:13 PM
Replies: 48
Views: 6,800
Posted By spatsch
Here an interesting...

Here an interesting...
Forum: ADS-B 07-21-2017, 09:18 AM
Replies: 20
Views: 3,617
Posted By spatsch
Guess I must be doing something wrong. I got the...

Guess I must be doing something wrong. I got the SV-ADSB-470 and Foreflight and am not seeing the weather.... . Are there any settings I need to worry about?

Will try again when I am at the airport...
Forum: ADS-B 07-21-2017, 08:19 AM
Replies: 20
Views: 3,617
Posted By spatsch
This does generate a dilemma for me. I like...

This does generate a dilemma for me. I like having my iPa/foreflight hooked up to my Dynon so I can transfer flight plans via Wifi.

On the other hand I would like weather/traffic on my iPad too (I...
Forum: RV-7/7A 07-20-2017, 08:19 PM
Replies: 14
Views: 2,111
Posted By spatsch
How do you measure your role rate? Reason I...

How do you measure your role rate?

Reason I asked is that I noticed a lower roll rate then I though I should have in my RV-8 at one point too.

I was certain I was using full aileron deflection,...
Forum: Safety 07-20-2017, 02:54 PM
Replies: 48
Views: 6,800
Posted By spatsch
buttered -- I like to live dangerously :D

buttered -- I like to live dangerously :D
Forum: RV-7/7A 07-11-2017, 04:06 PM
Replies: 23
Views: 4,359
Posted By spatsch
I wouldn't really worry about it. It happens with...

I wouldn't really worry about it. It happens with my RV-8 at certain speeds too. The first time it really got my attention (I hadn't read about it before so it was a surprise during phase 1...) after...
Forum: ADS-B 06-28-2017, 06:00 PM
Replies: 12
Views: 3,445
Posted By spatsch
I uploaded the trace a while back and haven't...

I uploaded the trace a while back and haven't heard anything since and today I noticed that the upcoming TFRs (shutting down the long weekend...) are not shown correctly again. Any update on what's...
Forum: RV General Discussion/News 06-26-2017, 09:18 AM
Replies: 31
Views: 3,919
Posted By spatsch
I was thinking the same thing. Flying the...

I was thinking the same thing. Flying the LS-3(glider) I owned a couple of years ago it was standard practice to start the ground role with negative flaps and take off by moving the flaps positive. ...
Forum: RV General Discussion/News 06-17-2017, 11:32 AM
Replies: 14
Views: 1,563
Posted By spatsch
Well it does make one wonder what the real max...

Well it does make one wonder what the real max RPM on a Lycoming engine is if one listens to certain one designs (more so then S1s) on a downline.

However, that wasn't my point. My point was that...
Forum: RV General Discussion/News 06-17-2017, 09:49 AM
Replies: 14
Views: 1,563
Posted By spatsch
You mean add a second wing for drag ? Now that...

You mean add a second wing for drag ?

Now that would be an interesting mod on an RV-8.... .

Oliver
Forum: RV General Discussion/News 06-17-2017, 08:24 AM
Replies: 14
Views: 1,563
Posted By spatsch
Just want to second this. I have no flop tube...

Just want to second this.

I have no flop tube and no inverted oil. Have been practicing the Sportsman for a while and flew my first Sportsman contest last month. I never had a stumble during the...
Forum: RV-8/8A 06-14-2017, 07:08 AM
Replies: 8
Views: 1,443
Posted By spatsch
I don't have a canopy but I figured I point out...

I don't have a canopy but I figured I point out that cracks can be fixed e.g.:

https://www.polyvance.com/pfxcanopy.php-1

in particular behind the rear seat (common) the crack won't be in anybody's...
Forum: RV-8/8A 05-31-2017, 11:17 AM
Replies: 25
Views: 4,134
Posted By spatsch
Mine is 1:10 with an IO-360 fixed pitch Sensenich...

Mine is 1:10 with an IO-360 fixed pitch Sensenich prop with the engine off at 90mph. Prop doesn't stop windmilling unless I get into a stall (and loose a lot of altitude doing so) so I wouldn't try...
Forum: ADS-B 05-09-2017, 12:42 PM
Replies: 12
Views: 3,445
Posted By spatsch
Should still be on my airplane. Will download it...

Should still be on my airplane. Will download it over the weekend and send it to you.

Oliver
Forum: ADS-B 05-08-2017, 01:49 PM
Replies: 12
Views: 3,445
Posted By spatsch
You need a transponder with assigned code. Oliver

You need a transponder with assigned code.

Oliver
Forum: ADS-B 05-08-2017, 12:38 PM
Replies: 12
Views: 3,445
Posted By spatsch
Yes that's what I did Sunday with my RV-8 and got...

Yes that's what I did Sunday with my RV-8 and got the odd Dynon display. Unfortunately Vlad is in the inner ring and NORAD, glider and acrobatics are all prohibited in both rings... .

Oliver
Forum: ADS-B 05-08-2017, 08:22 AM
Replies: 12
Views: 3,445
Posted By spatsch
And I thought your Russian connections would help...

And I thought your Russian connections would help :)

More seriously this is going to be painful the next couple of years. From what I hear he will be here all summer. This shuts down 2 airports...
Forum: ADS-B 05-07-2017, 07:03 PM
Replies: 12
Views: 3,445
Posted By spatsch
Odd POTUS TFR on Dynon Skyview

As I was flying today the POTUS TFR looked quite odd. Here a picture of when I was heading back into it:

http://www.spatscheck.com/oliver/ODDTFR.jpg

See the triangle in the middle which is not...
Forum: RV General Discussion/News 05-01-2017, 10:38 AM
Replies: 214
Views: 40,112
Posted By spatsch
yes please. Different doctors have very...

yes please.

Different doctors have very different attitudes towards this. I know my primary care physician won't sign it (and no he is not an AME). My local AME actually told me at my last 3rd class...
Forum: RV General Discussion/News 04-25-2017, 09:27 AM
Replies: 9
Views: 1,705
Posted By spatsch
Same here. Oliver

Same here.

Oliver
Forum: Glass Cockpit 04-13-2017, 11:47 AM
Replies: 31
Views: 4,832
Posted By spatsch
Same here. I don't have a flop tube. So the fuel...

Same here. I don't have a flop tube. So the fuel gets pushed to the outside which makes the engine quit after a couple of seconds and the prop will stop shortly thereafter. Happens every time. ...
Forum: RV General Discussion/News 03-02-2017, 09:26 PM
Replies: 51
Views: 8,873
Posted By spatsch
I haven't done that but I am having the same...

I haven't done that but I am having the same problem so please let us know how it goes if you do it. I dropped about 1 qt per practice before I installed my half Raven system. Now it's much less but...
Forum: RV General Discussion/News 02-22-2017, 07:11 AM
Replies: 2
Views: 819
Posted By spatsch
Rive-nuts and smoke oil tank

I am intending to install a 5gal smoke oil tank in the back luggage compartment of my RV-8 (need to move the CG back while having some fun with it...).

Looked at Marvin's system and when reading...
Forum: Safety 02-19-2017, 06:14 PM
Replies: 128
Views: 64,424
Posted By spatsch
To add to Gil's information if the edge distances...

To add to Gil's information if the edge distances between the angle bracket and the longeron do not line up (they don't overlap enough to give you sufficient edge distance on both) contact Van's....
Forum: ADS-B 01-30-2017, 06:25 AM
Replies: 1
Views: 1,263
Posted By spatsch
TFR: Dynon ADS-B IN vs Foreflight

Yesterday I was flying a friend northbound along the Hudson river corridor in NY (typical sight seeing run...) and noticed that the TFR around Trump tower showed up differently on ADS-B IN and...
Forum: RV-8/8A 01-27-2017, 06:42 PM
Replies: 8
Views: 2,481
Posted By spatsch
Used the same location and extended the floor of...

Used the same location and extended the floor of the baggage compartment to cover it so nothing can fall on it. Has worked great so far. Only problem is that I now want to add a smoke system and that...
Forum: ADS-B 01-09-2017, 11:04 AM
Replies: 702
Views: 189,377
Posted By spatsch
My understanding is that there are 3 states your...

My understanding is that there are 3 states your GPS can be in:

1. The GPS is producing data within the accuracy specs.
2. The GPS is producing data outside the accuracy specs and it knows it. So...
Forum: RV General Discussion/News 01-09-2017, 10:47 AM
Replies: 32
Views: 11,251
Posted By spatsch
I would think they eventually work that out with...

I would think they eventually work that out with Canada too. After all our US registered experimental RV's are not complying with ICAO standards either and there is a blanked approval to fly them...
Forum: RV General Discussion/News 12-29-2016, 10:35 AM
Replies: 13
Views: 4,164
Posted By spatsch
You missed one category. I am certainly...

You missed one category. I am certainly interested but unfortunately can't make the dates. Will have to work those days... . Hate when that happens.

Oliver
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