DIY

Aircraft model “HEAVENLY PREDATOR” – SBACH300 from the ceiling

Airplane model & laquo; HEAVENLY PREDATOR

Good afternoon, dear model aircraft designers. Today I decided to tell you, using the example of the author's article, how to create a good aerobatic model aircraft.
The author did not accidentally choose model of the XtremeAir Sbach 300 aircraft and made his own development of the drawings of the aircraft model, so much this aircraft “sunk into his soul” when he was at the competition in Riga …
Airplane model Like the author, I decided to divide my story into several separate parts.
First, I will show all the drawings that the author has kindly provided us.
Airplane model Airplane model Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling Model dimensions.
Length – 7600mm.
Span – 8160 mm.
The author uses a smooth, simple ceiling tile as the material for the model.
Airplane model Any glue can be applied. Suitable for bonding foam.
Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo; SBACH300 from the ceiling To strengthen various structural elements of an aircraft model, carbon rods, rods or tubes are used.
< img class = "aligncenter" alt = "Airplane model" HEAVENLY PREDATOR "- SBACH300 from the ceiling" src = "https://usamodelkina.ru/uploads/posts/2021-02/1613318448_karb1.jpg"/> As usual, the author starts creating his model aircraft by making the wings. It should be noted that the technology for making the wings, proposed by the author, is rather complicated, requiring increased care, accuracy and patience, but it's worth it! Using this technology, you can make wings for any aircraft model, changing only the dimensions.
Work on the wings begins with making ribs.
Airplane model Airplane model Airplane model It is best to make ribs in pairs, for each wing half. This is how the wings are balanced.
Airplane model & laquo; HEAVENLY PREDATOR '- SBACH300 from the ceiling Airplane model 'HEAVENLY PREDATOR' - SBACH300 from the ceiling  Airplane model When the ribs are ready, we prepare the spar for their installation. The spar is reinforced with a carbon bar.
Airplane model & laquo; HEAVENLY PREDATOR & raquo; - SBACH300 from the ceiling Airplane model To mount the inner “skeleton” of the wing, a slipway is made, on which stands, cut from the ceiling, are fixed – distancers. This is necessary so that all the ends of the ribs are located at the same height from the lower plane of the slipway.
Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling Airplane model The front and rear ends of the ribs are reinforced with a flat carbon rod.
After gluing, you get such a “skeleton” of the wing
Airplane model Airplane model Airplane model These wedges are made, which are glued between the ribs.
Airplane model Airplane model Wing tips are glued in.
Airplane model Airplane model & laquo; HEAVENLY PREDATOR  Airplane model Model aircraft & laquo; HEAVENLY PREDATOR Airplane model Making blanks for the upper and lower wing skin
 Airplane model On the leading edge we remove a chamfer at an angle of 35-45 degrees.
Airplane model & laquo; HEAVENLY PREDATOR Cover the front edge of the blanks with tape.
Airplane model Before gluing the leading edge, give it a small curvature radius.
Lubricate all ribs and spar with glue and press the skin.
Airplane model & laquo; HEAVENLY PREDATOR '- SBACH300 from the ceiling It is advisable to evenly put the load on the surfaces to be glued.
Airplane model Here's a half of the wing.
Airplane model In the same way we glue the second half of the wing.
Airplane model Now you can cut two halves of the side walls of the fuselage and cut holes for installing the wings.
Airplane model & laquo; HEAVENLY PREDATOR Airplane model The holes are precisely tailored to the wing profile.
Airplane model & laquo; HEAVENLY PREDATOR & raquo; - SBACH300 from the ceiling Airplane model Before mounting the wings, install the servo and cut out the ailerons.
< img class = "aligncenter" alt = "Airplane model" HEAVENLY PREDATOR "- SBACH300 from the ceiling" src = "https://usamodelkina.ru/uploads/posts/2021-02/1613373821_i-1.jpg"/> Airplane model  Aircraft model Airplane model Airplane model The author offers his own version of aileron mounting.
Airplane model But we will do this later, in the meantime, let's continue making the fuselage.
To connect the two side walls of the fuselage, you need to cut the frames
Airplane model To reduce weight, holes are made in the frames. The holes are made by rotating the punching method to avoid breaking the ceiling.
Airplane model The frames are fitted and glued into a horizontal stringer that runs the entire length of the fuselage.
Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling The side walls of the fuselage are reinforced with a carbon rod.
Airplane model The nose of the vertical side walls of the fuselage is reinforced with overlays from the ceiling.
< img class = "aligncenter" alt = "Airplane model" HEAVENLY PREDATOR "- SBACH300 from the ceiling" src = "https://usamodelkina.ru/uploads/posts/2021-02/1613320742_i-7.jpg"/> Airplane model & laquo; HEAVENLY PREDATOR Mount the motor mount.
Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling Airplane model Wing installation sites are reinforced with overlays from the ceiling.
Airplane model Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling Airplane model & laquo; HEAVENLY PREDATOR Finishing the fuselage assembly.
Before installing the regulator, you can remove the plastic cover from it for better cooling.
Airplane model We glue the lower panel of the fuselage nose.
 Airplane model We make the stabilizer from two layers of ceilings, inside which we lay carbon rods for reinforcement.
Airplane model & laquo; HEAVENLY PREDATOR & raquo; - SBACH300 from the ceiling Airplane model Airplane model Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling The elevator (PB) can be hung in any way convenient for you … The author hangs the PB on the hinges.
Airplane model  Aircraft model Airplane model Airplane model Now it's the turn to make the keel and rudder (RR).
Airplane model Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling There is nothing new here. All operations for strengthening the keel, gluing it and hanging the PH are similar to those with the stabilizer and PB.
Airplane model & laquo; HEAVENLY PREDATOR & raquo; - SBACH300 from the ceiling Airplane model Airplane model & laquo; HEAVENLY PREDATOR & raquo ; - SBACH300 from the ceiling Airplane model Airplane model & laquo; HEAVENLY PREDATOR Perhaps now we can start making chassis
Airplane model  Aircraft model Airplane model Airplane model Airplane model The whole process is clear from the photographs. I will add that wire with a diameter of 2-2.5 mm is used for the racks.
Airplane model Airplane model Airplane model  Aircraft model Airplane model Airplane model Decorative design of pillars and wheel arches are made at your discretion
The author suggests his own version.
 Airplane model Airplane model The author shows how to make a hood for the motor.
The hood is fixed with magnets and transparent tape.
Airplane model Airplane model Airplane model Making a gargrotte and installing it should not cause you any difficulties
 Airplane model The crucial moment has come – installation of the wing!
Airplane model & laquo; HEAVENLY PREDATOR '- SBACH300 from the ceiling electronics .
The final assembly of the fuselage is finished and you can start decorating the model.
What to apply in this case depends only on your capabilities and desires. You can use acrylic paints, which will greatly reduce the final weight of the model or colored tape. And how your model will look depends only on your taste and imagination. Here is the author's version of the model.
Aircraft model That's all. I have nothing more to add. See how this model flies.
On this I say goodbye to you and wish you successful flights , and excellent health.
I hope that the construction of this model will not cause any difficulties and the model will rise perfectly into the sky. The author did his best to achieve this goal.
Goodbye. Yours Valerian Samodkelkin.

Source:

usamodelkina.ru

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