JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

E-Flight UMX Pitts S-1S (E-Flite EFLU5250 | EFLU5250)

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

Be the first to review this product. (Write Review)

Back-Order Now!
Expected Availability: Late December

List Price:  $139.99
Price:  $129.99
You Save:  $10 (7%)

This item will earn you 130 reward point(s).
130 points = $2.60 off your next order. Learn More

Updated on Dec 9, 2019 09:45:57 AM

UMX Pitts S-1S BNF Basic...


Completely built and flight readyAS3X® system provides great handling with amazing stabilityCarbon fiber enhanced, lightweight foam constructionSteerable tail wheel for easy maneuvering on the groundFour-channel, scale aerobatic maneuverability and controlEasy-access, forward battery hatch with magnetic accessory


The E-flite® UMX™ Pitts® S-1S plane makes it possible to delight in the aerobatic icon of the century in your own garden. Even more amazing is how predictable this beautiful bipe deals with. That’s since its AS3X® system has been custom-tuned to deliver stability when you require it and agility when you want it. The result is a scale aerobatic flight experience similar to that of a skillfully tuned giant-scale design. And the very best news of all is that you can enjoy it immediately since there’s no assembly required.

The UMX™ Pitts® S-1S is designed so that the distinctive scale character comes through without sacrificing the efficiency benefits of a light wing loading. Not only is information like rib and stringer detents evident, even the landing gear and tail wheel represent the celebrated features of an aerobatic platform lots of major pilots still utilize to this day for aerobatic competition.

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

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

The Artificial Stability – 3 aXis (AS3X®) system established by Horizon Hobby is an electronic development that makes the RC flight experience better than ever. By developing a unique mix of multi-axis sensors and exclusive software, the AS3X system in the UMX™ Pitts® S-1S ultra micro biplane works behind the scenes while flying to supply instant attitude corrections when turbulence, torque and idea stalls haphazardly disrupt the way you wish to fly. The evident benefit is an airplane that flies extremely smooth however also delivers control that feels natural and entirely precise. The result is an experience similar to that of flying a much bigger, well-tuned scale design that’s remarkably hassle-free to fly.

Video Summary

Tech Notes

You will require...
- 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 Area: 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 required
Prop Size: 5.75 x 2.25
Recommended Battery: 7.4V 2S 200mAh 25C LiPo required
Flaps: No
Withdraws: No
Approximate. Flying Duration: 6-8 minutes
Minimum Age Suggestion: 14 years
Experience Level: Intermediate
Recommended Environment: Indoor/Outdoor
Is Assembly Required: No

Media Gallery

 View Image Gallery

Articles, Reviews, and Hyperlinks

 Ultra Micro Xtreme Additional 300 3D Evaluation

 E-flite Ultra Micro Xtreme Monster

 Event Protection – E-fest 2010 – Great Fun!

 We Take a Close Look At The Spektrum Ultra-Micro Receiver

 How-To Fly 10 at Lunch with DX6i

 How-To Bind your BNF Airfraft to the Spektrum DX5e, DX6i or DX7


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: $146.97

Add All Three To Cart
Visual Parts Finder
What's New?