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What did you do with your Europa this week 2/21 - 2/28

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Mon Feb 21, 2022 5:21 pm Post subject: What did you do with your Europa this week 2/21 - 2/28

Starting the thread for this week.  Although not done with our Europa but because of our Europa, I spent time fabricating a clone of Take Off Performance Calculator slide rule that hasn't been available for many years.  Our friends in the New Mexico Pilots Association really like it to determine performance at back country strips.



Jim



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peterz(at)zutrasoft.com
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Posted: Mon Feb 21, 2022 5:53 pm Post subject: What did you do with your Europa this week 2/21 - 2/28

neat!Â  ...but how the heck does it work? 

PeteZ



On Mon, Feb 21, 2022 at 8:28 PM h&amp;jeuropa <butcher43(at)att.net (butcher43(at)att.net)> wrote:



 	  Quote: 	
		  --> Europa-List message posted by: "h&amp;jeuropa" <butcher43(at)att.net (butcher43(at)att.net)>

 

 Starting the thread for this week.Â  Although not done with our Europa but because of our Europa, I spent time fabricating a clone of Take Off Performance Calculator slide rule that hasn't been available for many years.Â  Our friends in the New Mexico Pilots Association really like it to determine performance at back country strips.

 

 Jim

 

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 http://forums.matronics.com/viewtopic.php?p=506106#506106

 

 

 

 

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Tue Feb 22, 2022 8:14 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Pete,



Here are the instructions.



Jim

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Area-51

Joined: 03 May 2021
Posts: 391

Posted: Thu Feb 24, 2022 5:31 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Up in the sky.... Free as a bird, weeeeeeeeeeee.....

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n7188u

Joined: 15 Nov 2015
Posts: 404

Posted: Thu Feb 24, 2022 6:32 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Nice Model!!! Where can I get it?  



So this week I decided to tame my Mono (or at least reduce my fear of trips and wind). My plan is to take every opportunity I have to fly in days with conditions that are a little less than ideal and work my way up to proficiency.



Yesterday noon I went up. A little crosswind, maybe 4 knots but thermals were on a roll. A little bumpy and gusty. No problem. Good takeoffs and landings. 



At 5, after work, I went up again. I had the perfect conditions at my field for practice. AWOS was reporting 9 knots crosswind and occasional "peak 11, caution crosswind".



Of three takeoffs two were perfect and last one was Meh!. On the Meh! one, the airplane wanted to fly a little soon. Still trying to decide if I should keep the stick slight back pressure and the airplane get airborne or do what you normally do in a TW airplane and nudge the nose down just a little to get speed to buildup more. A little reluctant to push down on the nose though although I always do that (gently) but on bumpy conditions I'm still trying to decide.



The landings were perfect. My field has intermittent tall tress and buildings close to the runway sides which makes for good rotors with crosswinds. The runway is hard but very wide. So now I know that my self imposed limit of 10 knot crosswind is very doable and my anxiety has been reduced.



BTW, although focusing on the good stuff happening on the Europa community, just wanted to say that we are all sadly looking at what is going on in Ukraine at this end. Truly horrible events this day and age. I know that most Europa owners reside closer to this conflict and, don't know for sure, but we may have someone in this forum very close to it. As a US and EU citizen, and with family living in Spain and Italy, it sure is in my mind.



Best,

Chris

Area-51

Joined: 03 May 2021
Posts: 391

Posted: Thu Feb 24, 2022 5:47 pm Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Thanks Chris! Well done on upping your competency game!! Yes nice model; sometimes you just got to do things on your own... life skills... Still got a way to go toward finished Class-A surface standard; good enough for current CFD work though... got it down to mm accuracy... Hours of plumb bobbing, measuring, string lining, lasering, and measuring again and again; and thats before sitting at the console for even more hours tweeking and refining iteration after iteration... About the best thing to do this week with my europa when the flying conditions are not ideal... planning to test some standard and radical aerodynamic mods and see what numbers get spat out the other end; some leading edge slats and slotted fowler flaps... previous tests have been on a totally clean airframe so will be interesting to compare drag component of all the standard dangly bits!

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tennant

Joined: 19 Apr 2011
Posts: 121

Posted: Fri Feb 25, 2022 11:44 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Hello Chris,

I remember one memorable takeoff in SaarbrÃ¼cken with a runway 27 some years ago When I lined up the lovely lady in the tower said "Clear for takeoff, wind 200 deg, 18 - 26 knots!!"

The Europa ran down the the centre line and was in the air very quickly!! When you have a couple of hundred hours on your bird you will not want to fly anything else.



Have fun

Barry

_________________
Barry Tennant
D-EHBT
At EDLM - Germany

n7188u

Joined: 15 Nov 2015
Posts: 404

Posted: Fri Feb 25, 2022 1:10 pm Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Nice work on the model. For a moment I thought it was for one of the flight sims, in which case I would have been very interested in obtaining even if for a fee!



Good story Barry. That's a 24 knot crosswind component! Quite gutsy (and gusty I guess). 



I do need to clarify (and not to brag) that I am airplane, helicopter and glider rated (ATP, CFI) and have flown all kind of aircraft from airliners to paragliders (including high and low performance GA, competition gliders, helicopters, etc). I learned to fly in the Andes in South America (kind of like the Alps) with winds blowing at 30 knots all the time so talk about crosswind, rotors and gusts. The runway sides used to be littered with broken airplanes! So it's not for lack of skill.



However, I think the effort of building the Europa, the fact that I am liking this airplane a lot and becoming a little more risk-averse as I age left me with a sort of anxiety about scratching my baby  However, I am overcoming that one step at a time. So far my mono has not done anything to me that I would consider a departure so I guess it's all just in my head 



Best Regards,

Chris

n7188u

Joined: 15 Nov 2015
Posts: 404

Posted: Fri Feb 25, 2022 1:20 pm Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

And back to the posted subject:



This week I installed and connected an old Garmin Aera 500 I have.



Why you may ask?



I live in a very busy airspace and have noticed that lately people are trying very hard to collide with me in the air. A few weeks back I almost had a P-51 hit me from behind in the traffic pattern! (I fly from a VERY busy uncontrolled field).



So I was wondering why my tablet's Garmin Pilot with a GDL 39 was not providing aural alerts even though it would highlight the traffic on the screen (it would provide alerts while on the ground which was kind of annoying and useless). I tried hard to make it work but at the end concluded that technology sometimes sucks and it was just too much effort to make this buggy software work. And then I remembered how simple and amazing the older Aera 500 algorithms worked when it came to traffic and obstacle alerts. 



So I wired my old Aera to the airplane power, the GDL39 and to the audio system. Works like a charm and now I get strong and useful aural alerts. Old fashioned but works!



The bad news is that my tablet has now lost it's place in the panel and is relegated to being a knee device. Oh well, can't have everything.



Tomorrow we have a fly-in breakfast in Central Florida so will get to continue testing.



Best,

Chris

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Area-51

Joined: 03 May 2021
Posts: 391

Posted: Fri Feb 25, 2022 2:15 pm Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Chris it seems prudent to have some modern glass tech in the instrument panel... i still have not decided what would be best; so many choice, so little space! Could do with some ideas and user experience on this task; would love having terrain and traffic on tap... regarding the model, i did ask around the site for existing 3d models and was told one had been developed for Xplane however nobody has shed any further light on this mythical information; so i just went off and did it myself. It wouldnt need too much more to be operationally usable in Xplane and getting a functioning interior added is another arm of development, then there are all the visual texture skins to add at the final stage for a lifelike appointment; it can be done; maybe somebody out there is a wizard in texturing!! So far with Xplane i have fudged things successfully using an SF50 as a test platform and modified the airframe to what i required; so i got all SF50â€™s garmin 5000 cockpit and turbine tech! That said i do intend to fly the model in Xplane to try out some ideas...

Area-51

Joined: 03 May 2021
Posts: 391

Posted: Sun Feb 27, 2022 5:31 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Well its been raining almost all week and there will be a lot more rain for the entire week to come... the airfield is now a great lake and the carrots have rotted in the ground; so that means thereâ€™s nothing to do but sit at the console desk and drive the computer to crunch more numbers with a more resolved model while mixing Ballantines and coffee into the one cup... what a brilliant little aircraft!!

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n7188u

Joined: 15 Nov 2015
Posts: 404

Posted: Sun Feb 27, 2022 8:36 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Cool images. Not that I fully understand what is good or bad but I assume that a sharp change of velocity is not so good. Is then all the blue around scoops and openings bad?



So this weekend went to 9FL1 Fly-In breakfast with EU. Being the only Europa most people have ever seen it was always surrounded by people 



Nice flight. Great speeds (people making comments on the radio on how fast I was going for a 912 powered airplane). Grass runway, a bit bumpy, takeoff was interesting but all ok. 



Chris

peterz(at)zutrasoft.com
Guest

Posted: Sun Feb 27, 2022 9:21 am Post subject: What did you do with your Europa this week 2/21 - 2/28

Some pics from our local 32nd annual river ice fly-in yesterday in Ottawa, Canada. Sadly this year skiis only due to organiser-illness, so low passes only. AOA lectrical connections now appear to be solid, what a great tool to manage energy over the runway.  Luv my lilâ€™bird in the winter - great performance imho, ~135knot at less than 5gal/hr.



PeteZ



https://www.flickr.com/photos/djipibi/albums/72177720296992784



https://www.facebook.com/100003123383960/posts/4963603050420425/

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Area-51

Joined: 03 May 2021
Posts: 391

Posted: Sun Feb 27, 2022 7:59 pm Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

That aircraft looks so good Peter; well done on its presentation! Are those pieces of cardboard at the radiators to help maintain engine temps? 



Chris, variations in colour indicate changes in airspeed velocity; there is a scale if you zoom in and the velocity applied is 51m/s or 100kt; low velocity is not necessarily a bad thing however its an indication of turbulence induced drag around exit vent openings and rearward of aft surfaces as slower and faster moving air rejoin, getting these two velocity streams to combine back together more smoothly is a desirable outcome... one of my test pilots has just suggested trying vortex generators; will be interesting to see if that has any desirable affect... will be interesting to see just how much total drag can be reduced and how that might be achieved!!



For the technical minded the test was carried out with theta, beta and delta all set at zero, alpha is equal to angle of incidence. Returned output forces NM (x) -587 (y) +4424. (Results are indicative only and may vary substantially between individual built aircraft)

peterz(at)zutrasoft.com
Guest

Posted: Mon Feb 28, 2022 6:38 am Post subject: What did you do with your Europa this week 2/21 - 2/28

Thx! Alum tape, and yip, mandatory to set the proper temps.

PeteZ



 	  Quote: 	
		   On Feb 27, 2022, at 11:06 PM, Area-51 <goldsteinindustrial(at)gmail.com> wrote:

 

 ï»¿

 

 That aircraft looks so good Peter; well done on its presentation! Are those pieces of cardboard at the radiators to help maintain engine temps? 

 

 Chris, variations in colour indicate changes in airspeed velocity; there is a scale if you zoom in and the velocity applied is 51m/s or 100kt; low velocity is not necessarily a bad thing however its an indication of turbulence induced drag around exit vent openings and rearward of aft surfaces as slower and faster moving air rejoin, getting these two velocity streams to combine back together more smoothly is a desirable outcome... one of my test pilots has just suggested trying vortex generators; will be interesting to see if that has any desirable affect... will be interesting to see just how much total drag can be reduced and how that might be achieved!!

 

 For the technical minded the test was carried out with theta, beta and delta all set at zero, alpha is equal to angle of incidence. Returned output forces NM (x) -587 (y) +4424. (Results are indicative only and may vary substantially between individual built aircraft)

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=506161#506161

Area-51

Joined: 03 May 2021
Posts: 391

Posted: Mon Feb 28, 2022 8:03 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Must be colder where you fly; got the opposite challenge here; place is totally flooded out now with raging orange waters... so i drank more ballantines and coffee this morning and spent the day playing with the new science toy... between a clean featureless airframe and my built example is roughly 180N more drag and 240N more lift... this afternoon played around with the lower engine cowl flap and closed in the undercarriage which improved the air stream under the belly... 30N of drag was reclaimed and 60N of lift was given up with mods to the cowl vent; the inverted foil added produces 35N of negative lift... enjoying seeing the numbers come back!!

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h&jeuropa

Joined: 07 Nov 2006
Posts: 645

Posted: Mon Feb 28, 2022 5:05 pm Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Pete,



Looks like you repainted C-GNPZ.  Looks really nice!



Jim

erichdtrombley(at)juno.co
Guest

Posted: Fri Mar 04, 2022 8:09 am Post subject: What did you do with your Europa this week 2/21 - 2/28

ï»¿Hello all,



 

At times it seems like itâ€™s one step forward and two steps back.  So it went for me this past week.  I thought I was finished with my panel upgrade and took the plane up for a test flight.  Keep in mind all the components were working prior to the final install in the panel.  

I enter the flight plan in the 175 and it comes across to the Dynon, great.  I take off and note that the magenta line isnâ€™t being displayed on my moving map, nor is the HSI working properly. I am also getting an error on the G5 for loss of ARINC429.  I get back down and check the setting they seem good. Whatâ€™s going on? It was all working fine before the final install.  I check the Dynon diagnostics and see ARINC labels coming across, yet no HSI, odd.  I email Dynon, they scratch their head and canâ€™t figure it out, settings look good.  Maybe the Dynon doesnâ€™t like to play with the G5, and they suggest disconnecting it from the system, even though I told them it was working previously.

 

Frustrated, I head out to the plane and remove the center panel to gain access to the G5 and GAD29 which required that I remove the com radio and GPS.  I go to reinstall the GPS in its tray and something doesnâ€™t feel right.  I pull it back out and peer inside the tray and that do I find, a bent pin in the tray connector.  Ugh.  I confirm the bent pin is for ARINC out.  That makes sense. 

 

Optimistic as ever I think I can straighten the pin while in the tray.  Who was I kidding.  I had to remove the trays and wiring harness from the plane.  What a PITA it was.  I replaced the pin which was no small feat.  Then I reconnected the harness and did a quick functional check without the trays and everything worked.  I then move on to reinstalling everything into the panel.   As I was installing the trays I found myself pushing against the pins in the connector.  Fortunately, I realized what I was doing and stopped before bending any more pins.  Mystery solved.  Those HD pins are tiny and very, very fragile.  

 

Here's a picture of the panel upgrade which is complete for the most part.

 

Erich

N28ET Classic Mono 914

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n7188u

Joined: 15 Nov 2015
Posts: 404

Posted: Sat Mar 05, 2022 9:54 am Post subject: Re: What did you do with your Europa this week 2/21 - 2/28

Nice job Erich. 



I like how clean and simple it looks (yes, I guess the back side doesn't look simple).



I hope your install now works properly. 



Best regards,

Chris

erichdtrombley(at)juno.co
Guest

Posted: Sun Mar 06, 2022 10:07 am Post subject: What did you do with your Europa this week 2/21 - 2/28

Thanks Chris.  All of the equipment is working nicely and playing well together.  



You are correct, not as clean behind the panel, although not as bad as you might imagine.  Fortunately, I was able to construct the wiring harness such that the Dynon ARINC module, GAD29, G5, and GPS175 are all tied together on one harness, with the individual power and ground wires for the components going to a single 9 pin female DSub connector and a power/ground block that I fabricated from the male connector.  



This makes the installation and removal of the components and harness much easier, as the only fixed connection behind the panel is the male Dsub connector carrying power and ground.   The Dynon ARINC module connects to the Skyview system via a single network cable, while all the Garmin components are interconnected to each other.  



Hope that makes sense.  



Erich 

N28ET

Classic Mono 914

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