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30 years JETI model – Happy birthday!

Written by Robin
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For JETImodel’s 30-year jubilee they invited for a celebration and an airshow to Benesov, CZ. Next to all big european dealers such Hacker Motor from Germany, JETI UK, JETI Italia… there were also a few JETI-toppilots like Gernot Bruckmann, Markus Rummer or Roy Puchtinger invited. The famous Youtube-aeromodeller, RamyRC with his Airbus A350 airliner was there as well.

The friday started with a short and interesting review by Mr. Tinka (Jelen = JE, Tinka= TI) who showed how JETI started with 2 hobby enthusiasts around 30 years ago and is now a world leading manufacturer of high-class RC-radio systems with around 50 employees. It started with handmade ESCs for electric models, followed by 35-mHz receivers and the development of their own 2,4Ghz system and finally the duplex DC-16.
After the review it was time to hand over the birthday gifts from some guests to JETI and open end with good conversations.

On saturday was a big airshow with thousands of visitors. JETI joined this airshow with their celebration by traditional reasons. Benesov was the field where around 30 years ago the first JETI ESCs have been presented and sold to the first customers.

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GeeBee R2 Restauration!

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My passion for the GeeBee started at the age of 12 and has not changed since then. For a few years I flew an electric powered GeeBee equipped with a Hacker A200 and 2x 12S 5000mAh but sold it in 2019. Last year I had the chance to get another damaged R2 and decided to restore it and install a Fiala 250ccm 5-cylinder radial engine, the same engine I’ve been using in my Bücker for the past 2 years.

 The fuselage was damaged in different areas and it turned out to be much more work than expected. My procedure was as follows:

  • Opened the compressed areas with a cutter until the inner side of the sandwich. Removed the compressed and crumbled support foam.
  • Filled up the opened areas with thick epoxy and sanded it down
  • Put a layer of glass fabric above and sanded again
  • Puttied and sanded all
  • Fillered all fixed areas, sanded and reworked the panel lines with a fine rasp
  • Made rivets out of white glue
  • Repainted red
  • Slightly weathered with black oil color

 The effort was well worth and I am super happy with the result. I hope the model lasts long.

 When I bought the GeeBee I contacted FALCON to produce a scale prop in the correct size for the radial engine. And the result is a stunning 34×18 prop which fits and looks excellent. Even the measurements are almost correct compared to the full size.

 The equipment of the GeeBee is proven in my other models:  Hacker DITEX EL-3214 servos, JETI CB-220 with 2x RSat and RCSW. 2S Hacker ECO-X batteries, ClickConnect for the motor unit, EMCOTEC smokepump and 2 kevlar tanks by CM-Jets.

 In this model I used a gyro for the first time. The Cortex Pro by Bavarian Demon was my choice as it is the best system working with JETI model and can be set up directly from the transmitter, no computer needed. And it is connected straight between the 2x RSat and the Central Box. So easy!

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Partner, RT DESIGN, Tipps & Tricks

RT DESIGN Acrostar mk2 INFO!!!

Written by Robin
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The Acrostar 60E and XL is a very famous and well-flying aerobatic model. The produced batches of both version are sold out and no more available. Due to persistent requests for both models I checked together with Hacker Motor the possibility for a new batch of both models. But the price for the plane plus shipping and the high MOQ make it not possible to bring back these models.

So If you are a proud owner of a RT DESIGN Acrostar, take care of it 😉

Robin Trumpp, February 2023

Partner, RT DESIGN

Flugtag MFC Untermünkheim

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Nachdem wir 2 Jahre Pause machen mussten, war unser Flugtag 2022 endlich wieder zurück – und wie!

 

In vielerlei Hinsicht sicherlich der beste Flugtag aller Zeiten in Untermünkheim!

Kurzum: Eine große Besucherzahl, jede Menge Toppiloten der Szene und kein nennenswerter Absturz.

Besten Dank an Andreas Maier und Oliver Büsing für die Erinnerungen!

Wir freuen uns jetzt schon auf ein noch größeres Fest 2023 bei uns:

50-jähriges Vereinsjubiläum am 24.+25. Juni 2023

Weitere Infos folgen.

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Events

cool guys and classy airplanes!

Written by Robin
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Bücker Meeting 2022 in Landshut, Bavaria

The annual Bücker FlyInn took place on the 18th of June in Landshut. This event is a meeting for all full-size Bückerpilots and fans from all over Europe with their Bückers.

Herrmann Diebold, who is the key point of the Bücker scene in Europe, invited me end of last year to attend this event after seeing my video with the 50% Bücker from Friedrichshafen.

Luckily my friend Andreas Golla from Hacker Motor lives quite close to the airport Landshut and invited us to his house for a delicious BBQ and some hangout in his pool. An excellent refreshment during the hot summer day and good preparation for the Bücker FlyInn in the evening.

A real highlight was the Hangar 69 at the airport Landshut. There are some very nice airplanes including the original “Liesel Bach” Bücker Jungmeister. I was sitting inside the cockpit for a short time to feel the spirit of Bücker Jungmeister… but it´s better I stay on the ground with my radio 😉

Thank you very much for this amazing day with you!

Events, Partner

SAB Tortuga V2

Written by Robin
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After having a lot of fun the past 2 years with SAB Tortuga I decided to build a new one (and call it V2) with some main modifications.

Modifications: 

– clear canopy and new canopy lock system, 
– many 3D printed parts such as: servo cover, pilot, pump-, RX-, batteryholder

– light system by innoflyer

Equipment:

Servos: 2x Hacker Ditex EL0512W, 1x Hacker Ditex EL0510M
batteries: 2x Hacker / TopFuel ECO-RX 2000
RX: JETI duplex REX-7 + JETI RC Power Switch 5
Turbine: Kolibri T15 Autostart
Light System: innoflyer LD 3.0 + innoflyer LED´s: 2x Crystal red/green, 3x Lisa
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1:12 Minimoa by Tony Ray / Pichler

Written by Robin
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After my stressful 5th semester at studies I had the desire to build something out of Balsa again. At the exhibition in Friedrichshafen I saw the kits of mini vintage gliders from Tony Ray at the Pichler booth. Right after the event I ordered a kit of Minimoa.
With the support of my 3D printer and covered with japanese paper and Graupner Spannfix  a really nice little vintage glider was born.
Check the pictures and see the progress of my little Minimoa.
Spannweite: 1422 mm
Länge: 625 mm
Gewicht: 330g
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RT DESIGN, Tipps & Tricks

BVM-Jets Ultra BANDIT

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HAPPY NEW YEAR!!! 

After a few weeks without any new report here I decided to drop a few lines about the UltraBANDIT proejct from last summer…

In 2018 BVM-Jets announced a jubilee version of their legendary UltraBANDIT which was a “must have” for my father. It took almost 2 years until he started to build the plane in January last year.
State of the art equipment had to be installed: brandnew JetCat P250, Hacker / Ditex Servos, JETI model CentralBox-220 with 2x 2,4Ghz + 900mHz Backup-RX, Electron retractsystem and a custom smoke tank from CM-Jets.

While my father was building the jubilee UltraBANDIT, I completely reworked the older UltraBandit. It got also an electric landing gear, stronger “Low Voltage” Hitec flap servos and a JETI model CentralBox-400 with 2x 2,4Ghz + 900mHz Backup-RX. The CB-400 is required due to the older Futaba LV-servos which need only 5,9V.
Overall it was much more work than expected, as the electric gear has completely different design and other measurements. That´s why I needed to remove some of the old gear mounts and let my friend cut new carbon flex-plates for main- and nosegear – Thanks Manuel!
In July we finally made both maidenflights.

Conclusion: The “old” UltraBANDIT is still in a league of its own. The quality, the details and the extremely balanced flying is in my opinion still unrivaled.

All the work paid off, both airplanes fly excellent! Especially the JetCat P250 with its fast start, fast throttle response and the support of turbine telemetry make it a good progress in turbine flying.
The knowhow in this 15 year old design is still in the pole-position!

 

Partner, Tipps & Tricks

Faszination Modellbau and airshow “Stars des Jahres”

Written by Robin
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After the fair had to be canceled last year due to COVID-19, it was great that they opened the doors from 5th-7th November again. Friedrichshafen is known as THE fair for rc-enthusiasts in Germany!

Unfortunately there were not that much exhibitors than in the past years, but all those who took part were rewarded with numerous of visitors and good conversations.

I had the chance to present my new 50% Bucker Jungmeister at the airshow “Stars des Jahres” at the airport next to the fair.
I was invited a few times in the past years but for me this was one of the best, maybe the best fair in Friedrichshafen ever.
Great atmosphere for visitors and exhibitors, excellent airshow with many great pilots and a perfect organization.  Truly one of the best weekends this year!

I´d like to thank the VTH-Team at the flightline, especially chief editor Uwe Puchtinger. Frank Joosten for great commenting on the show, Jörg for trouble-free communication with the tower and all others who were involved to make this fair a big success!

A special thank you goes to Andreas Maier and Markus Nussbaumer  for providing their excellent footage and video for this report.

Thanks also to all who have helped and supported me during the weekend!

Events, Partner, RT DESIGN