Illustration: Double Horse 9101 – SwellRC RC Helicopters guide

Double Horse 9101 RC Helicopter: Specs, Flying Tips and Parts

RC Helicopters

The Double Horse 9101 is a large toy-grade coaxial RC helicopter with a metal frame, a built-in gyro and 3.5-channel control (three control channels plus a speed or trim function). Listings give its length as roughly 65–78 cm (around 27–28 in), with a 7.4 V 1300 mAh LiPo, about 90–120 minutes of charging and roughly 10 or more minutes of flight. Its size makes it one of the bigger toy helicopters for outdoor flying in calm conditions.

Updated: October 20263 min read

Illustration: Double Horse 9101 RC helicopter – SwellRC RC Helicopters guide

Specifications

Item Value
Length about 65–78 cm (listings vary)
Rotor Coaxial, counter-rotating
Channels 3.5, with gyro
Battery 7.4 V 1300 mAh LiPo
Charge time About 90–120 minutes
Flight time About 10+ minutes (claims up to 20)
Frame Metal

From retailer and parts listings; sizes and claims differ between sellers.

9101 vs 9053

The 9101 and the Double Horse 9053 are close relatives: both are large 3.5-channel coaxial helicopters with gyros and 7.4 V 1300 mAh batteries. The 9101 is usually listed as slightly larger. They fly similarly: stable hovering, slow forward flight, and no sideways movement or aerobatics.

Flying tips

  1. Charge fully; fly in calm air, ideally indoors in a large hall or outdoors with no wind.
  2. Switch on the remote, then the helicopter, and keep still while the gyro initialises.
  3. Raise the throttle gently to a hover at about knee to waist height.
  4. Use trim to stop slow rotation.
  5. Practise forward and back flight and gentle turns before going higher.
  6. Land slowly; don’t drop it from height.

Common problems

  • Spins around: trim, or one main motor weaker than the other.
  • Won’t lift: weak battery, damaged blades or stripped gears.
  • Won’t fly forward: tail motor failure.
  • Vibration: bent shaft or blade damage.

Step-by-step repairs are in how to fix an RC helicopter.

Parts

Parts shops still list blades, gears, motors, shafts, flybars and batteries for the 9101. Buy a set of blades and gears early. If the helicopter came with an old 27/40 MHz radio, make sure replacement boards or remotes match your version.

Safety

  • The large rotor can hurt; keep faces and fingers away.
  • Fly away from people and pets.
  • Charge the LiPo on a hard surface, supervised.
  • Avoid flying in wind; the 9101 is light for its size.

Next steps

If you enjoy the 9101 and want more control, a stabilised single-rotor helicopter teaches real cyclic control and can fly sideways and in wind. Many pilots keep their big coaxial for relaxed flying.

How it flies

Like other coaxial helicopters, the 9101 has two main rotors spinning in opposite directions on the same shaft, so their torque cancels out. Turning is done by speeding up one rotor relative to the other. A small tail rotor tilts the nose down or up to move forward or backward. The gyro holds the heading, and the flybar on the top rotor keeps it level. This makes it very stable and easy to hover, but it can’t fly sideways or handle wind like a single-rotor helicopter.

Battery care

Use the supplied or a correct 2S LiPo charger, let the battery cool after flying, and stop when the helicopter starts to sink. Store the battery partly charged.

Indoor flying

A large sports hall or gym is ideal for the 9101: no wind, plenty of height and a soft floor. Most living rooms are too small for a helicopter this size.

FAQ

How big is the Double Horse 9101?

Roughly 65–78 cm long, depending on the listing.

How long does it fly?

About 10 minutes or more per battery.

Can it fly outside?

Only in calm weather.

Are parts available?

Yes, from RC helicopter parts shops.

More on this topic: the complete RC Helicopters guide covers the basics behind this article.

Kyle Hilson, author of SwellRC

About the author: Kyle Hilson

About 20 years in RC. Mostly boats in the NAVIGA Mini Eco Expert class, with many self-made parts; also a King Motor Baja 5B, a home-built electric plane, home-built nitro planes he has flown, and an RC helicopter. More about SwellRC