Difference between revisions of "Turnigy Tek Sumo"

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(Created page with "== Similar/same models == * 2DogRC Techone 35-inch Popwing http://www.techonehobby.com/proview.asp?id=300 - [http://www.rcgroups.com/forums/showthread.php?t=1497187 RCGroups revi...")
 
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The Tek Sumo is a flying wing with impressive wide range of flying characteristics.
* [[RC_Airplanes|Back to RC airplanes index]]
== Similar/same models ==
== Similar/same models ==
* 2DogRC Techone 35-inch Popwing http://www.techonehobby.com/proview.asp?id=300 - [http://www.rcgroups.com/forums/showthread.php?t=1497187 RCGroups review]
* 2DogRC Techone 35-inch Popwing http://www.techonehobby.com/proview.asp?id=300 - [http://www.rcgroups.com/forums/showthread.php?t=1497187 RCGroups review]
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== Specifications ==
== Specifications ==
* Wingspan: 900 mm
* Released: Fall 2011
* Center of gravity: 200-212 mm (manual) - max. range 190-212 mm
* Type: Powered medium sized wing
* Weight kit only: 230 grams (wing, winglets, motor mount, servo mount, push rods, carbon fiber rods, front padding)
* Airframe: Rough EPP (Expanded Polypropylene) foam
* Wingspan 900 mm - 920 mm (measured)
* Wing area: x m^2
* Length: 575 mm - 570 mm (measured)
** Root chord: 290 mm (excl. elevons) - 345 mm (incl. elevons)
** Tip chord: 205 mm (excl. elevons) - 270 mm (incl. elevons)
** Sweep: 315 mm (front to tip difference)
* Center of gravity: 200-212 mm (instructions), range 190-212 mm, from leading edge/tip - aim for 212 mm [http://fwcg.3dzone.dk/?wing_span=151&root_chord=36.75&tip_chord=19&sweep_type=0&sweep=48.25&cg_pos=25&show_mac_lines=0]
* Stock weight: 230 grams (wings, winglets, motor mount, servo mount, push rods, linkage, carbon fiber rods, front padding)
* Payload capacity: 100-250 grams (at least, CoG and power setup dependant)
* Reinforcement: Black carbon fiber spars, two 2x530 mm wing spars, three 2x160 mm cross spars, two 3x320 mm elevon spars
* Recommended flying area: 300x300 meters
* Product page: [http://www.hobbyking.com/hobbyking/store/__17969__Hobbyking_Teksumo_EPP_Wing_900mm_ARF_.html HobbyKing Tek Sumo]


== Stock kit ==
== Stock kit ==
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* 1x Front EPP padding block
* 1x Front EPP padding block
* 2x Push rods 1 x 200 mm
* 2x Push rods 1 x 200 mm
* 3x Carbon fiber rods 2x 160 mm
* 2x Linkage stopper 1.5 x 6 mm
* 3x Carbon fiber rods 2 x 160 mm
* 1x Fiberglass reinforced tape 15 mm
* 1x Fiberglass reinforced tape 15 mm
* 1x Plywood motor mount 38 x 38 mm backplate 23 x 23 mm pattern
* 1x Plywood motor mount 38 x 38 mm backplate 23 x 23 mm pattern
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* 1x Plywood velcro battery mount 71.5 x 25 mm
* 1x Plywood velcro battery mount 71.5 x 25 mm
* 2x Glassfiber control arm 21 mm
* 2x Glassfiber control arm 21 mm
* 2x Linkage stopper 1.5 x 6 mm
* 4x Equipment bay plastic bands 250 mm
* 4x Equipment bay plastic bands 250 mm
* 1x Instruction manual 4 pages
* 1x Instruction manual 4 pages
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* Scorpion, Hacker, Cobra are all reported to be very good motors if you want better quality [http://flitetest.com/forum/showthread.php?135-Tek-Sumo-and-Bonsai/page8]   
* Scorpion, Hacker, Cobra are all reported to be very good motors if you want better quality [http://flitetest.com/forum/showthread.php?135-Tek-Sumo-and-Bonsai/page8]   
* To fine adjust the CoG, center of gravity, use the battery and motor as weight, pick a suitable combination, simple rule is motor weight / 0.025 ~= battery cap+-100 mAh, battery cap * 0.025 ~= motor weight+-5g
* To fine adjust the CoG, center of gravity, use the battery and motor as weight, pick a suitable combination, simple rule is motor weight / 0.025 ~= battery cap+-100 mAh, battery cap * 0.025 ~= motor weight+-5g
* Center of gravity point is 190 to 212 mm from the front of the nose, depending on battery and total weight
* Center of gravity point is 190 to 212 mm from the front of the nose, depending on battery and total weight, aim for 212 mm [http://fwcg.3dzone.dk/?wing_span=151&root_chord=36.75&tip_chord=19&sweep_type=0&sweep=48.25&cg_pos=25&show_mac_lines=0]


== Setups ==
== Setups ==
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* [http://flitetest.com/forum/showthread.php?472-Tek-Sumo Rellik Demanon Tek Sumo setup]
* [http://flitetest.com/forum/showthread.php?472-Tek-Sumo Rellik Demanon Tek Sumo setup]
* [http://www.rcgroups.com/forums/showthread.php?t=1539051&page=2 beemerdon homemade balancing stand]
* [http://www.rcgroups.com/forums/showthread.php?t=1539051&page=2 beemerdon homemade balancing stand]
* [http://flitetest.com/forum/showthread.php?472-Tek-Sumo/page8 Joey6 Tek Sumo build and repair]


== References ==
== References ==
* [http://www.hobbyking.com/hobbyking/store/__17969__Hobbyking_Teksumo_EPP_Wing_900mm_ARF_.html HobbyKing Tek Sump EPP Wing]
* [http://www.hobbyking.com/hobbyking/store/__17969__Hobbyking_Teksumo_EPP_Wing_900mm_ARF_.html HobbyKing Tek Sump EPP Wing]
* [http://www.rcflighttest.com RC Flight Test reviews]
* [http://www.rcflighttest.com RC Flight Test reviews]

Revision as of 15:24, 8 February 2012

The Tek Sumo is a flying wing with impressive wide range of flying characteristics.

Similar/same models

Specifications

  • Released: Fall 2011
  • Type: Powered medium sized wing
  • Airframe: Rough EPP (Expanded Polypropylene) foam
  • Wingspan 900 mm - 920 mm (measured)
  • Wing area: x m^2
  • Length: 575 mm - 570 mm (measured)
    • Root chord: 290 mm (excl. elevons) - 345 mm (incl. elevons)
    • Tip chord: 205 mm (excl. elevons) - 270 mm (incl. elevons)
    • Sweep: 315 mm (front to tip difference)
  • Center of gravity: 200-212 mm (instructions), range 190-212 mm, from leading edge/tip - aim for 212 mm [2]
  • Stock weight: 230 grams (wings, winglets, motor mount, servo mount, push rods, linkage, carbon fiber rods, front padding)
  • Payload capacity: 100-250 grams (at least, CoG and power setup dependant)
  • Reinforcement: Black carbon fiber spars, two 2x530 mm wing spars, three 2x160 mm cross spars, two 3x320 mm elevon spars
  • Recommended flying area: 300x300 meters
  • Product page: HobbyKing Tek Sumo

Stock kit

  • 1x Tek Sumo wing 2 halves
    • 2x Pre-glued carbon fiber rods 2 mm on bottom wings
    • 2x Pre-glued carbon fiber rods 3 mm on bottom elevons
  • 2x Winglets
  • 1x Front EPP padding block
  • 2x Push rods 1 x 200 mm
  • 2x Linkage stopper 1.5 x 6 mm
  • 3x Carbon fiber rods 2 x 160 mm
  • 1x Fiberglass reinforced tape 15 mm
  • 1x Plywood motor mount 38 x 38 mm backplate 23 x 23 mm pattern
  • 2x Plywood servo mount 23 x 12 mm
  • 1x Plywood velcro battery mount 71.5 x 25 mm
  • 2x Glassfiber control arm 21 mm
  • 4x Equipment bay plastic bands 250 mm
  • 1x Instruction manual 4 pages

Setup weight

  • 350 grams - setup 2208 1370 Kv, 20A ESC, 3S 1200 mAh, 6x5 [3]
  • 489 grams - setup 2818 1350 Kv, 18A ESC, 3S 1800 mAh, 7x4 [4]

Tips and tricks

  • To glue the wing halves together and motor mount, use PU (Polyurethane) glue, e.g. Gorilla Glue, keep pressed together for a while
  • For attaching the winglets use hot glue in the main contact surfaces and silicone glue (Goop) around the bead [5] [6]
  • Add new 4x50mm carbon fiber rods to the underside near the center of gravity point and also to the wings as spars for strength, use thick super glue and kicker
  • Use servo cable extensions to reach the servos from the equipment bay
  • Calculate the motor and propeller size for the desired air speed, flight time and efficency, use eCalc
  • Insert glass fiber rods into the leading winge edge for better dent resistance on crashes, use superglue and glass reinforced tape to cover the groove
  • Make incisions to remove the floor in the equipment bays and use glue+tape to re-attach the floor on the opposite side
  • Put the equipments on the other side, top side, use tip above
  • Relocate the servo holes to be perpendicular to the forward motion direction of the wing
  • Detach the elevons using a razorblade and reattach using strong 3M Mailing and Storage tape for optimal free motion
  • Reinforce the front tip of the wing with 2 x 110 mm carbon fiber rod insert
  • Use glass fiber reinforced tape to cover servo wire trails
  • Scorpion, Hacker, Cobra are all reported to be very good motors if you want better quality [7]
  • To fine adjust the CoG, center of gravity, use the battery and motor as weight, pick a suitable combination, simple rule is motor weight / 0.025 ~= battery cap+-100 mAh, battery cap * 0.025 ~= motor weight+-5g
  • Center of gravity point is 190 to 212 mm from the front of the nose, depending on battery and total weight, aim for 212 mm [8]

Setups

Guide:

Common setups:

  • Docile/easy: Motor 1350 Kv D28xL19mm 40g, APC 7x4, 3S 1000mAh 83g [11]
  • Cruising/easy: Motor 1450 Kv D28xL22mm 38g, APC 8x6, 3S 2200 mAh 170g [12]
  • Cruising/FPV: Motor 1800 Kv D28xL22mm 38g, APC 7x4, 3S 1800 mAh 153g, 15-20 min flight [13]
  • Cruising/FPV: Motor 1400 Kv D28xL26mm) 50g, APC 8x4, 3S 1500 mAh 138g, 15-20 min flight [14]
  • Performance/long: Motor 1600 Kv D31xL31mm 63g, APC 7x6/8x4, 3S 2200 mAh 138g [15]
  • Performance/speed: Motor 2200 Kv D28xL26mm 50g, APC 6x4, 3S 1500 mAh 138g, 10 min flight [16]
  • Ultra/long: Motor 1400 Kv D35xL32mm 88g, APC 8x8, 2x 3S 2200 mAh 340g, 18-25 min flight [17]
  • Ultra/fast: Motor 3200 Kv D28xL38m) 72g, APC 7x6, 3S 2200 mAh 170g [18]

Motor alternatives

Scorpion, Hacker, Cobra offer quality motors, but the priority here is low cost.

  • HK2824-1300 HobbyKing 2824 1300Kv Brushless Outrunner 52g [19]
  • L2205-1350 Turnigy L2205-1350 1350Kv Brushless Motor 30g, pair with 1300 mAh [20]
  • RCTimer BC2826-10 1400KV Outrunner Brushless Motor, 50g [21]
  • D2822/14 Brushless Outrunner 1450kv 38g, pair with 1500 mAh [22] [23]
  • Tower Pro 2409-12t 1600kv 63g, heavy [24] [25]
  • RCTimer A2208-12 1800KV Outrunner Brushless Motor 38g, pair with 1800 mAh [26]
  • RCTimer BC2826-6 2200KV Outrunner Brushless Motor 50g, pair with 2200 mAh [27] [28]
  • Turnigy NTM Prop Drive Series 35-30A 1400kv Brushless Outrunner [29]
  • Turnigy 2836 Brushless EDF Motor 3200kv 72g [30]

Common propeller sizes:

  • 6x4, 7x3, 7x5, 7x6, 8x4, 8x8

Build guides

References