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-   -   "midi gold" (https://www.rcuniverse.com/forum/electric-rc-jets-198/11674728-midi-gold.html)

Joseph Frost 01-31-2020 12:15 AM

"midi gold"
 
Latest experimental project before creating large 90mm powered one, is this Mid size version running on 40mm EDF set up.
https://cimg7.ibsrv.net/gimg/www.rcu...6ab179eb00.jpg
Side by side with the "SSS".
https://cimg2.ibsrv.net/gimg/www.rcu...364a1e7db0.jpg
Frame work ready for the primers and application of 24kt. gold leaf features.

Joseph Frost 01-31-2020 11:23 PM

The first coat of paint under way.
https://cimg2.ibsrv.net/gimg/www.rcu...31a7257bce.jpg
https://cimg3.ibsrv.net/gimg/www.rcu...92d14b6f5a.jpg

Joseph Frost 02-03-2020 01:07 AM

Nearing the completion.
https://cimg0.ibsrv.net/gimg/www.rcu...30de6675bc.jpg
Slightly more unique finish.
https://cimg6.ibsrv.net/gimg/www.rcu...92cec93966.jpg
Completed frame.

Joseph Frost 02-05-2020 03:00 PM

After few more add ons, I have managed to test fly it yesty on miserable grey day, took me 6 bad hand launches to get it airborne on the 7th. after finding the correct CG spot. With these small models it is absolutely crucial!
It was very lively due to some over controlling with too much Elevon travel, I rather have more than not enough for a maiden.
Almost lost it against the grey sky at one point, but with some luck managed to bring it back, few more little dints on the frame after those 6 bad launches into the soft growth but all fixed now ready for more action after the big wet spell next 5-6 days.
Also having some issue with the "Scorpion 45A" speedo, running only on 2S, so still sorting it out.
https://cimg0.ibsrv.net/gimg/www.rcu...d297c2cd8b.jpg
Final wing tip stabs fitted before its maiden.
https://cimg0.ibsrv.net/gimg/www.rcu...3da4dcd2f9.jpg
First hand launch ended as this!
https://cimg3.ibsrv.net/gimg/www.rcu...d942b7d405.jpg
Low pass.
https://cimg6.ibsrv.net/gimg/www.rcu...c648cf2ae3.jpg
Wrong light to fly tiny and very fast model, it disappears very quick!
https://cimg7.ibsrv.net/gimg/www.rcu...7683c518b6.jpg
Back home, flying it with chunk of wing missing, taped up.
https://cimg2.ibsrv.net/gimg/www.rcu...eb0d3e1f1d.jpg
After the maiden I installed extra intake air scoops.
https://cimg2.ibsrv.net/gimg/www.rcu...5c4435bfb3.jpg
Having some intermittent issue with the speedo, not always coming to full RPM, even after re-program.

Joseph Frost 02-13-2020 12:50 AM

All speedo issues sorted out, ready for action, spent 1/2 hour waiting this eve at the field for the drizzle to stop but it did not happen! Hopefully next few days after the cyclone is gone!
https://cimg0.ibsrv.net/gimg/www.rcu...cb40b49a6c.jpg
Sleek as an arrow!

Joseph Frost 02-20-2020 10:04 PM

Lot more drama and modifications after the last post, but finally in the air well under my thumps.
https://cimg0.ibsrv.net/gimg/www.rcu...5826637959.jpg
Nightmare to find out right ESC for this one, after test running all these.
https://cimg1.ibsrv.net/gimg/www.rcu...14dc18ef00.jpg
Further mod to the wings for more stability.
https://cimg9.ibsrv.net/gimg/www.rcu...87df1238be.jpg
Two golden sisters side by side.
https://cimg0.ibsrv.net/gimg/www.rcu...180e9557e0.jpg
Re-maiden after mods.

Joseph Frost 02-21-2020 08:01 PM

Few more flights this morn in rather doom&gloom, over mosquito infested wet pastures, after 2 flights I had to buzz-off being eaten alive!
(Midi G final trim flight)https://cimg4.ibsrv.net/gimg/www.rcu...d1a19316bf.jpg

Joseph Frost 02-23-2020 02:12 PM

My hand launcher jets come very handy to make most of in our current wet spell, while the grass strips are bit boggy. Flying it daily, either at the beach or the cow pastures with mosquitos eating me alive. Even "AERO-GUARD" doesn't work in this wet infestation.
Starting on the almost identical, but 90mm EDF, 10S powered version, at 2 meter size with the landing gear for a change.
(Midi G on Sun. batt. test)
https://cimg2.ibsrv.net/gimg/www.rcu...11f1898609.jpg
https://cimg8.ibsrv.net/gimg/www.rcu...d0a023ab90.jpg
Storm Warning!
https://cimg9.ibsrv.net/gimg/www.rcu...fea7e930f8.jpg
Another golden run.

Joseph Frost 02-25-2020 09:38 PM

After all my recent flying action the fan seem to re-balance itself! Another great flying morn, launching it down wind as an experiment.
(Midi Gold down wind launch)

Joseph Frost 02-28-2020 04:23 PM

After installation of of my new 50A/2-4S speedy and the larger capacity battery I took it to the hill for another test flight, just a slight CofG off-balance ended up in total disaster hitting the ground on full power after my first hand launch!
I managed to tape-up considerable damage to the front of the model and had another go with minor shift of the battery backward. Dead calm conditions did not help much, but just managed to clear the ground by few inches for the longest flight so far after scariest launch (vid.) It seem like with the larger capacity battery I will be able to extend my flight time for 3-5 minutes.
I have found even 5 mm shift in CG balance makes a huge difference with these tiny high powered models, making it even more challenging.
All fixed now, hoping for slight head wind for my next flying action.
(Midi Gold nose heavy launch)
https://cimg8.ibsrv.net/gimg/www.rcu...830b38ffe3.jpg
New ESC unit with added cooling head seem to work flawlessly.
https://cimg2.ibsrv.net/gimg/www.rcu...3eeaa5d69f.jpg
Nose damage after full power ground impact 13cm stuck in the mud!

Joseph Frost 03-14-2020 12:15 AM

All the bugs seem to be sorted out, few more fights on "Black Friday, the 13th."
(Midi Gold on Black Friday)

Joseph Frost 03-19-2020 12:06 AM

Nice to see the blue sky for a change. Few more flights in the log book.
(Midi Gold flying action)

Joseph Frost 03-23-2020 10:56 PM

Midi Gold running like on rails.
https://cimg9.ibsrv.net/gimg/www.rcu...3193c3f3bb.jpg
Shines even on gloomy eve.

Joseph Frost 04-02-2020 05:28 PM

Midi Gold Arrow working overtime.
https://cimg2.ibsrv.net/gimg/www.rcu...febb95961b.jpg
Golden Toy.
https://cimg4.ibsrv.net/gimg/www.rcu...12dcd0c2fa.jpg
Golden Arrow zooming by.
https://cimg5.ibsrv.net/gimg/www.rcu...07b508b017.jpg
Nice pass.

Joseph Frost 04-16-2020 12:28 AM

Getting most of this model, it's working overtime, absolutely brilliant performer, but can be bit of a handful to hand launch.
(MG on fine sunny day)
https://cimg9.ibsrv.net/gimg/www.rcu...f031ad4b00.jpg
Hand launch fun day.

Joseph Frost 04-22-2020 01:50 AM

Few more flights in the log book, on windy afternoon.
https://cimg5.ibsrv.net/gimg/www.rcu...b8a7951996.jpg
Golden missile in action.


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