Geckopter: Level Flight

Geckopter: Foldable Amphibious Octocopter

 

Designed by Dr. Gabor Pauler, Apr 1, 2025, 4642 Bricks, Scale=1:10

 

Technical Description:

 

Power Supply:

 

- 2 turbogenerators driven by 2 L-motors (in the role of alternators) through Z8:Z8:Z16:Z12 beveled gears at ratio 4:3 via RC of Smarthub5 CH2

- Retractable aerial refueling probe

 

Air Drivetrain:

 

- 8 foldable, 3-blade propellers driven by 4 L-motors through triplet of Z12 half beveled gears at ratio 1:1 via RC of Smarthubs1-2

- Placed on 4 foldable propeller arms actuated by 4 L-motors through worm:Z8 gears at ratio 8:1 via RC of Smarthub3

 

Land Drivetrain:

 

- 2 double tracks from 'Motorcycle chain'

- with manual suspension height adjustment via worm:Z8 gears at ratio 8:1

- with auto track tensioning Z16 idler wheel placed on leading swingarms with 2 8×16mm steel springs from 'Shock absorber'

- with elastic springs of Z16 running gears from 'Rubber damper 2×1×1'

- with Z16 drive sprockets driven by 2 M-motors through worm:Z8 gear at ratio 8:1 via RC of Smarthub4

 

Sea Divetrain:

 

- Waterproof lower body, containing 5 Smarthubs

- 2 detachable side pontoons

- 2 detachable screws from 'Turbine 3M' driven by 2 M-motors through Z20 half beveled:Z12 beveled gears at ratio 5:3 via RC of Smarthub4

 

Opening Sequence:

 

 

Cargo:

 

- Rear cargo ramp with sliding extension rails, driven by M-motor through worm:Z8 gears at ratio 8:1 via RC of Smarthub5 CH1, coupled with manual clutch

- 1 front rescue/back cargo winch driven by M-motor:3-stud spool at ratio 1:1 via RC of Smarthub5 CH1

- 1 pilot’s seat with harness, locking latches, foldable instrument panel and manual controls connected to downward opening front door (doubled as cockpit floor in open position) via 2 6-stud trackrods

- 2 manually lockable side doors

- 4 manually lockable top hatches

- 1 foldable glazed nose fairing with upward openable windscreen panel

- 1 foldable tail fairing with upward openable tailplane

- front/back towing hooks

- 2 manually releasable top lifting hooks

- 12 cargo locking points at cargo deck

- 36×9×11studs (in real 2.88m×0.72m×0.88m) maximal cargo volume with opened nose/tail mode

- 23×7×7studs (in real 1.84m×0.56m×0.56m) cargo volume with closed nose/tail mode

 

Accrual systems:

 

- 2 inflatable life raft

 

Armament:

 

- 2 spring driven (2 8×16mm steel propellant springs from 'Shock absorber') shooting portable light machineguns mounted at side of airframe, auto-loaded from drum magazine for 15 1.5×13mm projectiles

- 2 spring driven shooting cradle grenade launchers mounted on light machineguns for 5 8×53mm projectiles with flying spigot type bolt and 5×3 8×16mm steel propellant springs from 'Shock absorber'

- 2 IR decoy chaffs/flares

 

Armor:

 

- Front door armor

 

Crew:

 

- 1 Bionicle/Technic pilot figure with 5-finger palms

 

General Airframe Layout:

 

 

Done