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Arcus 6,06 m and DG-1000 6,66 m

After a few years without flying a scale glider, I wanted to have one again. The Arcus by Schempp-Hirth is with its unique wing shape one of the most beautiful gliders in the present so it had to be an Arcus. End of 2019 I was together with Erwin Schreiber from RC-Flight-Academy in Asia and on the flight back to Munich, 11.000 m above the ground, I placed my order for his Arcus. Right after my father joined the project and ordered a DG-1000 from him.

Due to various projects and my study we were unable to finish the gliders earlier. In a creative phase during study I drew the scheme for both gliders. Of course these 2 planes should also bear the spirit and signature of RT DESIGN. Based on this scheme I worked out another 2 versions of this livery for a new F3F glider and TSAR monoplane- more on that later!All the grey parts are 2K painted, the golden parts are realized with ORACOVER-easyplot.

As most of the customers buy the planes ready to fly, the building progress was laborius and took quite a long time. It took some effort to cut the slots and holes into the top wing of Arcus for the flap and aileron linkages. The following applied: cut and hope it was correct! All the linkages were made with high quality MP-Jet aluminum clevises and carbon tubes. The DITEX servos are all mounted in wood frames which are also available from Hacker Motor.

We wanted to install a self launching electric motor system, that we are not always dependent on a towing machine. As we have a lot of 10S packs from the F3A models, Hacker needed to arrange a power setup for 10S packs and the concept works excellent! Max current on Arcus is just around 55A and on DG-1000 it´s around 70A and a few several hundred meter climbs.

A few blowholes and areas where the white paint wnt off are needed to be mend. The good flying characterisitcs of the planes are bringing the troubles in balance. Almost no function had to be trimmed, the CG´s are reached without any extra weight in the nose, the drive dimensioning from Hacker is excellent and the super bright LED flash light make those gliders to a really successful project. Now we wait for days with good thermals to get them enough air-time!

We installed the Click-Connect system from Hacker Motor for the first time because of 5 servos in each wing plus the LED´s. That´s during building much more work, but in the end the most precious and safest solution for all the wiring and after crimping 2, 3 cables it´s quite an easy task. The result is a perfect reverse polarity protected central plug for all wires from wing to fuselage.

The power management system is a JETI model CentralBox 400 with two 2,4Ghz RSat and one 900mHz RSat. Each servo is directly connected to the CentralBox and can be programmed individually. That make the flight conditions and landing setup (airbrakes + butterfly) very easy in setting up. The CB-400 has still enough pins for the 3rd receiver and all the telemetry inputs. Telemetry from the CentralBox itself, each receiver, from the ESC (current, capacity, temperature…) and from the MVario2 are delivered in real time to the radio and gives a great overview about the safety onboard. As already installed and loved in other planes, the RC-switch is also here a must. The batteries are Hacker TopFuel ECO-X 3000mAh 2S.

I heared a lot about Tailored Pilots from England, but never had one of these pilots in my hands. After carefully checking their website it was sure that those pilots can meet our expectations. A few eMails with Wilson Li from Tailored Pilots later the order for 3 pilots were placed. What I can say after getting them is: quality, weight and detailing are surely one of the best available today. And they have a wide range of accessories to choose such as seatbelts, sunglasses, parachutes, headsets… Really nice are the RT DESIGN baseball caps he made in the correct size for our pilots.

A big “thank you” goes to Hacker MotorJETI modelFALCON and Tailored Pilots for joining this project!

Equipment (both almost the same):
Hacker / Ditex EL 3214S
KST X10 (outer wings and stab DG-1000)
JETI Central Box 400 + RC Switch
2x RSat2
1x Rsat 900Mhz
JETI MVario2
Hacker A50-14L FES Ex-Uni
Hacker A60-7M FES Ex-Uni
FALCON folding prop white 14×10 (Arcus), 19×13 (DG-1000)
JETI Mezon opto 95
Hacker / Unilight ACL-light system glider
10S Hacker TopFuel 5100 F3A
Hacker Click-Connect
Hacker/Emcotec Premium wire
Hacker Topfuel 2x 3000 2S ECO-X, 1x 1800 3S ECO-X
Tailored Pilots 1:3 und 1:3,5

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Welcome 2021!!!

Unfortunately due to my studies and COVID-19 I was unable to fulfill my 2020 wishes but it was still a good year nonetheless.
The TSAR monoplane project was unfortunately not completed in 2020,it has now been over a year and is still not finalized but I am getting closer to the end.
With that being said I would like to introduce to you the all new, TSAR monoplane from RT DESIGN.

Stay tuned for more pictures of the new highly visible colour scheme.

I would like to thank everyone for the support in 2020 and wish you all a happy, healthy and prosperous 2021.


Events in August and September

As there are almost no events this year, I could manage to fly with friends in Germany and Hungary.
From 28.08. – 30.08. I attended a small airshow for RC pilots only and not for the public, in Györ.
An excellent event with perfect organization and hospitality – thank you SRCM Györ!!!!

Beginning of September I went back to Mosbach for study. Less than one hour drive from Mosbach is the airfield of Michelstadt, which is in my mind for many years. In 2001 was an airshow at that field, where I saw one of my most favorite airplanes for the first time, the GeeBee R2 by Delmar Benjamin.
On Monday and Tuesday the local RC-pilots are allowed to fly at this place and I could not miss this invitation and spent some great time with the people there.
A big thank you also to all friends in Michelstadt!!!

Here are some impressions and videos from those trips.
Thanks to all for filming!

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Beginning until mid of this year I was very busy due to my study. So I could not invest the time for aeromodelling as I wished to. But in the past weeks I worked up and finally after more than 1 year the new turboKARAT V2 was finished.
When my father flew turbo KARAT V1 he said “I need one”. So we shared the work and built 2 new turbo KARAT V2.

What has been changed from version 1?
– stronger and lighter turbine, now Kolibri T35
– special FIALA 5-blade wood propeller
– special exhaust pipes for the small turboprop
– all new colorscheme “bronce-NAVY”
– new Hacker / Ditex-EL Servos
– reworked LED-light-system from innoflyer
– reduced go-fly weight

JETI duplex REX12
JETI RC-Power Switch 10A
Hacker / Ditex Servos
Special FIALA 5-Blade Propeller
CM-Jets special KARAT fueltank
innoflyer light system
Kolibri T35 + turboprop

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Acrostar mk2 XL VIDEO!

On sunday weekend we captured a few clips of electric Acrostar mk2 XL and my mate M!C made a nice video of this plane:

Acrostar mk2 XL – classic aerobatic plane – perfect towing machine

Check it out:

uncut video of Acrostar mk2 XL in the GP version with Fiala FM70 4-stroke motor:

Skymaster F4-Phantom 1:6

After carefully reworking the whole plane and some “weight cure” we finally made a few very successful phlights with the more than 3m long F4 Phantom from my phater. Everything works flawless!
Both turbines running reliable, all the telemetry data from the three RX and other information are monitored during flight on the radio and the electric retract system incl. the the gear doors moving exactly like on the original F4.

It is so much fun, if everything works so perfect and you have to see this impressive model in the air!

2x JetCat P130RX
Hacker DITEX Servos TD2612S
JETI CB-200 with 2x 2,4Ghz RX and 900Mhz Backup RX
electric retract system and brakes
7,5l CM Jets Tank + 2x UATs

A few pictures from this impressive model (more will follow):

KARAT biplane from now on painted available

Finally we are able and proud to offer KARAT biplane painted from the FALCON-factory. We completely reworked the scheme and the masking that we now ready for a small “series production”. The layout is my colorscheme and the colors can be choosen without extra cost. Also own schemes are possible!

The new color combination purple / green is my personal ” RT 2020 version”

Information and pricing on request!

The first two airplanes are painted in China and going to the customers soon.
The green version is coming to Germany and before I hand it over to the customer, I will upload some detail pictures.