E-flite UMX Conscendo BNF Review: 40-Minute Flights or Just Hype?

Small glider, big promises, and no radio, battery, or charger in the box. We weigh E-flite’s claims against owner reports, the real first-flight bill, and the one question beginners should ask before buying.

Quick Verdict

Our E-flite UMX Conscendo BNF review lands on a split decision. Buy it as a second airplane if you’ve finished a trainer and already fly a compatible Spektrum radio. Skip it as a first airplane. Horizon Hobby rates it Skill Level 2, the step after a Skill Level 1 trainer.

The appeal is range: 2S or 3S power, AS3X stabilization with optional SAFE Select, and a folding propeller, all in a 31.6-inch airframe that weighs under 250 grams as published.

The catches can change your answer. The box holds no transmitter, battery, or charger, and with no landing gear, every landing ends on the belly.

This verdict rests on Horizon Hobby’s documentation and attributed flyer reports, which remain individual accounts.

Want to see where the promises hold up, and what your first flight really costs? Keep reading.

Brief Overview

What It Is

The UMX Conscendo BNF (Bind-N-Fly) Basic, item EFLU32050, is an ultra-micro electric motor glider. It arrives with its motor and receiver/electronic speed controller (ESC) installed. Horizon Hobby ties it to the larger Conscendo Evolution 1.5m and pitches it for gliding and aerobatics. If you’re still shopping the wider field, start with our guide to the best RC planes.

Who It’s For

Picture a low-time pilot moving on from a trainer, or an experienced flyer who wants a compact glider. A true first-timer belongs elsewhere; our roundup of the best RC planes for beginners is the better starting point.

Cool Features

• 2S or 3S power: One airframe accepts either approved pack.
• AS3X with optional SAFE Select: Per the manual, SAFE (Sensor Assisted Flight Envelope) self-levels the airplane and limits pitch and bank. AS3X stands for Artificial Stabilization–3-aXis.
• Folding propeller: The manual’s parts list names a folding propeller (EFLU32056), a natural fit for motor-off gliding, though its benefit here remains unmeasured.
• Voltage telemetry: Compatible transmitters can display pack voltage, though a firmware update may be needed.

AT A GLANCE
Model: E-flite UMX Conscendo BNF Basic with AS3X and SAFE Select (EFLU32050)
Wingspan: 31.6 in. (802mm)
Length: 20.6 in. (524mm)
Weight: 111g unladen; 137g (4.8 oz.) on the recommended 3S 300mAh pack, per the manual; one seller lists 134g
Motor: Spektrum 1408-2050kv brushless (SPMXAM3700)
Receiver/ESC: Spektrum SPMA3197
Servos: Horizon’s listing says four linear servos; the manual’s equipment table lists two A201 servos
Power req’d: 2S 7.4V or 3S 11.1V, 280–300mAh LiPo, JST-RCY
Radio req’d: Full-range, 5+ channel Spektrum DSMX/DSM2-compatible transmitter
Pilot skill level: 2

Already own a compatible Spektrum radio? Check the current price, and confirm the listing is the BNF Basic version (EFLU32050).

Pros & Cons

Pros

• Motor and receiver/ESC come installed
• Accepts 2S or 3S packs
• SAFE self-leveling is available at the flip of a switch
• The manual allows about 6–8 minutes when mostly gliding, and owners report longer flights
• Published weight sits under the FAA’s 250g registration threshold for recreational flying

Cons

• Radio, battery, and charger cost extra, and the radio must be DSMX/DSM2-compatible
• No landing gear, so you land on the belly
• Skill Level 2, not a first-airplane rating
• One eBay reviewer says it wants about a football field of room

Value Check: What Your First Flight Really Costs

The Real Bill

Your starting point sets the price of admission.

1. You own a compatible radio and charger: You need packs, plus any leads your charger requires.
2. You own a compatible radio only: Add packs, compatible charging gear, and leads.
3. You own nothing: You’re buying every completion category, so compare complete packages before you commit.

Spektrum’s own 3S 300mAh pack (SPMX3003SJ30) illustrates the trap: its listing calls for a compatible charger and a JST-RCY charge lead. The S155 G2 charger (SPMXC2050) handles 1S–4S lithium packs through IC3/IC5 outputs, so sort out the micro-pack connection before checkout.

How It Stacks Up

Horizon’s listing rates the Radian Skill Level 3, so don’t assume the smaller glider is the easier one. That listing asks for a 4+ channel radio, while the Radian manual calls for six channels with adjustable rates.

Horizon’s pages also mark the AeroScout S 2 RTF Basic and the older complete RTF as discontinued. Treat that trainer as a reference point and check dealer stock. On Horizon’s listed aircraft-only pricing, the Radian sat below the Conscendo and the Evolution above it.

Is It Worth It?

Value rises if you can reuse compatible gear and want this exact role. It falls if the purchase must also teach you to fly. No matched flight test of these models has surfaced, so this comparison covers specifications and intended use only.

Expected Experience with E-flite UMX Conscendo BNF

Assembly: Minutes, Not an Evening

The manual’s job list is short: connect the wing lead, lock the fastener a quarter turn clockwise, then check the center of gravity (CG) at 32mm ±2mm (about 1.26 in.) behind the wing’s leading edge, upright. Nankin Hobby’s copy advertises assembly in under five minutes, but no independent timed build backs that figure, and radio setup comes on top.

Radio Setup and Binding

Expect to bind a 5+ channel Spektrum transmitter, then confirm control response and mode behavior.

The airplane uses JST-RCY packs, and the specified JST-PH alternative needs a suitable adapter. The manual pairs Spektrum’s optional 2S 300mAh PH pack (SPMX3002S30) with the SPMXCA327 adapter, but check connector direction against your exact setup. Flaperon and spoileron operation remains optional programming, and the manual warns that it reduces aileron authority.

Warning: Per the S155 G2 charger manual, charge LiPo packs with the correct settings and stay with them. Inspect every pack first, never charge a damaged or wet pack, and stop if one swells. Keep clear of the propeller whenever the airplane is powered. The airplane’s manual says to disconnect and remove the pack after every flight, warns that repeated flying to low-voltage cutoff will damage it, and states that this isn’t a toy and isn’t for children under 14.

Launch and Climb

The manual calls for SAFE mode, high rates, and full power, launching into the wind. Grip the fuselage under the wing and release overhand with the wings level and the nose slightly up.

Seller copy promises stronger 3S performance, and Horizon Hobby customer Alan, in a review shown on Walmart, reports strong vertical performance on a 3S 300mAh pack. Customer J. N. adds, “Good for speed on 3s and great for soaring on 2S.” No measured 2S-versus-3S climb test supports any of these claims.

Flight Time: Three Numbers, Three Meanings

• Marketing: Seller copy advertises up to 15+ minutes of mixed powered and unpowered flying.
• Manual: About 2.5 minutes at high throttle, 3–4 minutes mixed, and 6–8 minutes mostly gliding, with a 3-minute initial timer.
• Owners: In Horizon Hobby customer reviews shown on Walmart, Ken V. reports 30 minutes on 3S 300mAh at coastal cliffs in light wind, with the motor running about 10% of the time. Robert M. reports 40 minutes on a 300mAh pack, with no comparable conditions.

Neither owner account is independently documented. Treat them as best cases and plan around the manual.

Wind and Flying Space: What Owners Report

Brian S., a Horizon Hobby customer with earlier glow-airplane experience, reports flying at home on an acre. On eBay, reviewer reeleast recommends the model for experienced pilots and suggests about a football field. On wind, Horizon Hobby customer Lennard P. calls it “great in 10-15 mph wind,” while reeleast says it sails “thru moderate winds.”

None of these accounts includes measured conditions, and no published wind limit or minimum field size has surfaced to settle it. Judge your own site for obstacles, visibility, and recovery room.

Landing, Durability, and Repairs

With no wheels, plan on belly landings and favor a forgiving surface. Long-term durability remains unmeasured: no model-specific landing test, defect-rate data, or repair-cost comparison has surfaced.

Reviewer reeleast also criticizes rudder size for knife-edge flight, and Hobbytech Toys customer Steve B. reports a bird strike and ongoing repairs. Horizon Hobby customers Levi L. and Ron C., in reviews shown on Walmart, add two more data points: Levi calls it “not durable at all due to the eps foam, so not good for a first plane,” while Ron says he “wore the first one out after 150+ flights,” citing servo wear. All are single accounts. Horizon catalogs a replacement wing (EFLU32051) and spinner and prop assembly (EFLU32056), which makes planning easier without proving repairs are cheap. Check stock first, because catalog listings don’t guarantee availability.

Tip: Keep SAFE on a switch for early flights, and start with the manual’s 3-minute timer.

Where the E-flite UMX Conscendo BNF Really Shines

For the right pilot, the payoff is one small airplane with two personalities. Customer reviewer Alan reports both strong vertical performance and relaxed gliding, so you could spend one pack loafing and the next flying harder.

Motor-off time is where each charge can stretch. The manual’s own numbers more than double from high throttle to mostly gliding.

At 31.6 inches, with a wing that attaches by a single quarter-turn fastener, this is a compact package to bring along.

Then there’s the confidence of a switch. SAFE gives a low-time pilot a documented self-leveling mode while learning the airframe.

E-flite UMX Conscendo BNF Basic (EFLU32050)

• 2S or 3S LiPo power
• AS3X with optional SAFE Select
• 31.6-inch wingspan

Check Price on Amazon
Transmitter, battery, and charger not included.

Who Should Buy It

Buy It If…

• You’ve mastered a trainer and want your next step.
• You already fly a compatible 5+ channel Spektrum transmitter.
• You want gliding and sport flying from one small airframe.
• You have an open site with a forgiving landing area.

Skip It If…

• You’ve never flown; start with a Skill Level 1 trainer.
• You own no compatible radio and want the lowest total cost.
• Your site is tight, and you can’t confirm safe recovery room.
• You want wheels or a scale look.
• You want proven 3D performance; no measured evaluation supports it.

FAQ

Q: Is the E-flite UMX Conscendo BNF a good first RC plane for a complete beginner?

A: The E-flite UMX Conscendo BNF is a poor first RC plane for most complete beginners.

• Horizon Hobby rates it Skill Level 2, the step after a trainer.
• SAFE self-levels the airplane, but no beginner-training trial shows it replaces a trainer.
• R/C Tech Forums member GBLynden calls it fast and better suited as a second or third airplane, with assistance for beginners.
• Owner opinion splits among Horizon Hobby customers: Justin E. calls it “best first plane,” while Levi L. says it’s “not good for a first plane.”
• We’d point a first-time pilot toward a Skill Level 1 trainer.

Q: What else do I need to buy before I can fly the E-flite UMX Conscendo BNF?

A: The E-flite UMX Conscendo BNF needs a transmitter, flight battery, and charger before it can fly.

• A full-range, 5+ channel Spektrum DSMX/DSM2-compatible transmitter
• A 2S or 3S 280–300mAh JST-RCY LiPo
• A compatible LiPo charger and charge lead
• A suitable adapter if you choose the specified JST-PH alternative

Q: Should a beginner use a 2S or 3S battery in the E-flite UMX Conscendo BNF?

A: A pilot who has finished a trainer should start the E-flite UMX Conscendo BNF on the manual’s recommended 3S 300mAh pack.

• Both 2S and 3S 280–300mAh packs are approved.
• The manual’s published weight and CG guidance center on that setup.
• If you choose 2S, recheck the CG.
• No matched test measures the difference, and neither pack turns this airplane into a trainer.

Q: How long will the E-flite UMX Conscendo BNF actually fly on one battery?

A: The E-flite UMX Conscendo BNF flies about 2.5 to 8 minutes per the manual, depending on throttle use.

• High throttle: about 2.5 minutes; mixed: 3–4; mostly gliding: 6–8
• Owner reports of 30 and 40 minutes remain unconfirmed, and no typical figure has been independently measured.

Q: How do I bind the E-flite UMX Conscendo BNF and turn SAFE Select on or off?

A: Start binding the E-flite UMX Conscendo BNF with the transmitter off and the airplane level, then use Channel 5 to select modes.

1. Keep the transmitter off, and set the airplane level in a sheltered spot.
2. Connect the pack.
3. Set neutral controls and low throttle and trim.
4. Activate binding per your transmitter’s instructions, and wait for a solid receiver LED.
5. Select SAFE at Channel 5 position 0, or AS3X-only at position 1.
6. Confirm control and mode response on the ground before flying.

Removing SAFE access is a separate gesture. Set high rates and 100% travel on aileron, elevator, rudder, throttle, and gear, with throttle hold off. Restrain the airplane clear of the propeller, hold the sticks bottom-inward, and complete five gear-switch cycles. DXS and DXe transmitters use positions 0 and 2.

Q: Do I need to register the E-flite UMX Conscendo BNF with the FAA before flying it in the United States?

A: Recreational flyers generally don’t need to register an E-flite UMX Conscendo BNF if its finished takeoff weight stays under 250g.

• The exemption doesn’t cover Part 107 operations, the FAA rule for flying that isn’t purely recreational.
• Weigh the finished airplane if you’ve modified it.
• Per FAA recreational guidance, you must still pass The Recreational UAS Safety Test (TRUST), carry proof, and follow recognized community-based-organization guidance.
• Keep visual line of sight, yield to other aircraft, and stay at or below 400 feet in Class G airspace.
• Get required controlled-airspace authorization, and check site permission and restrictions.
• Aircraft that are registered, or required to be, fall under Remote ID rules.