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Model: E-Flite EFLU5250
Dist. #: EFLU5250   SKU: EFLU5250

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West Jordan, UT
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List Price:  $139.99
Price:  $124.99 & FREE SHIPPING
You Save:  $15 (11%)
Updated on Dec 14, 2017 03:47:10 AM

UMX Pitts S-1S BNF Basic...


Completely built and flight readyAS3X® system provides fantastic managing with amazing stabilityCarbon fiber strengthened, light-weight foam constructionSteerable tail wheel for simple maneuvering on the groundFour-channel, scale aerobatic maneuverability and controlEasy-access, forward battery hatch with magnetic attachment


The E-flite® UMX™ Pitts® S-1S aircraft makes it possible to enjoy the aerobatic icon of the century in your very own back yard. Much more remarkable is how foreseeable this lovely bipe deals with. That’s because its AS3X® system has been custom-tuned to deliver stability when you need it and dexterity when you desire it. The outcome is a scale aerobatic flight experience similar to that of an expertly tuned giant-scale model. And the very best news of all is that you can enjoy it right away because there’s no assembly needed.

The UMX™ Pitts® S-1S is created so that the unique scale character comes through without compromising the performance benefits of a light wing loading. Not only is detail like rib and stringer detents evident, even the landing gear and tail wheel represent the celebrated functions of an aerobatic platform numerous full-blown pilots still use to this day for aerobatic competitors.

The high-output brushless power system installed includes an 180BL, 3000Kv outrunner motor and an E-flite® 5 x 2.75 propeller. Together they provide sufficient thrust for reasonable scale aerobatic performance.

From the strong control of AS3X® system innovation, to the crisp response of performance linear long-throw servos, everything about the UMX Pitts S-1S is about providing a solid scale aerobatic experience. Despite the fact that it’s sized to fly practically anywhere, you get the precision and performance to fly like you’re in an air show.

The Artificial Stability – 3 aXis (AS3X®) system developed by Horizon Pastime is an electronic development that makes the RC flight experience better than ever. By establishing a unique combination of multi-axis sensing units and exclusive software, the AS3X system in the UMX™ Pitts® S-1S ultra micro biplane works behind the scenes while flying to provide immediate attitude corrections when turbulence, torque and idea stalls haphazardly interrupt the method you want to fly. The evident advantage is an aircraft that flies exceptionally smooth but likewise provides control that feels natural and utterly accurate. The outcome is an experience similar to that of flying a much larger, well-tuned scale model that’s remarkably practical to fly.

Video Introduction

Tech Notes

You will need...
- 4+ channel DSM2- or DSMX-compatible transmitter
- 7.4V 2S 150-200mAh LiPo battery
- 2S LiPo battery charger


Wingspan: 17.1 in (434mm)
Overall Length: 15.5 in (393mm)
Wing Location: 100 sq. in. (645 sq. cm.)
Flying Weight: 3.2 oz (90 g)
Motor Size: 180-size, 3000Kv brushless outrunner (installed)
Radio: 4+ channel DSM2/DSMX transmitter needed
Prop Size: 5.75 x 2.25
Suggested Battery: 7.4V 2S 200mAh 25C LiPo needed
Flaps: No
Retracts: No
Approx. Flying Duration: 6-8 minutes
Minimum Age Recommendation: 14 years
Experience Level: Intermediate
Recommended Environment: Indoor/Outdoor
Is Assembly Required: No

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Frequently Bought Together

E-Flite UMX Pitts S-1S BNF Basic
E-Flite 200mAh 2S 7.4V 30C Li-Po Battery
E-Flite Balance Charger Adapter UMX to EFL
This Item: E-Flite UMX Pitts S-1S BNF Basic
E-Flite 200mAh 2S 7.4V 30C Li-Po Battery
E-Flite Balance Charger Adapter UMX to EFL

Total Price: $149.37

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