Helio A7

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Overview of the Helio A7

Overview:

The Helio A7 has the lightest starting frame weight for an aluminum folding frame wheelchair at 5 lbs. less than any competitor’s aluminum folding frame weight.  The light weight comes from using an aluminum alloy – 7005 T6.  The light weight does not mean anything is forfeited on this chair.  The Helio A7 has great adjustability for those seeking their ideal set-up.  All this makes the Helio A7 one of the lightest, push efficient folding aluminum frame wheelchairs in the industry. The 7000 series aluminum creates a more rigid frame for push effectiveness and a more energy efficient ride.

What Makes It Different:

Helio A7’s innovative frame design allows for a seat to floor height range that can be as low as 12” and as high as 20.5”. The A7 is adjustable in increments of 1/4 inch for the perfect height for users who want to perfectly tune thier chair with their body. The Helio A7 uses Motion Composite’s Symmetrical Hydroformed Cross Brace for reduced torsion and better energy distribution throughout the frame. The Rigid Unibody Frame is just as the name implies – a one-piece frame.  Most folding frame chairs utilize a two-piece frame which increases the weight and requires more maintenance.  The Unibody frame also maximizes your propulsion or pushing efficiency.  A Symmetrical Hydroform Crossbrace allows for reduced torsion and better energy distribution throughout the frame.  A forged vertical axle plate offers the most precise rear wheel adjustability in the industry.  The vertical mounting maximizes rigidity and responsiveness.

Why We Like It:

A great range of adjustability at a very low weight for a folding frame chair makes the Helio A7 a great option for any user that either knows exactly what they want for a set-up or the user who is still looking for the perfect fit.  A vertical axle plate offers multiple center of gravity settings and maximizes lateral stability of the chair itself.  Motion Composites offers their high-quality Newton armrests, casters, rear wheels, and handrim accessories.  An Ultrarigid Folding system incorporates high-precision tolerances and oversized pivot axles provide for a best-in-class propulsion efficiency.  Motion Composites has developed an Evolve Caster Housing which is embedded inside the frame to enhance durability and makes for easy and precise adjustments.  The premier attraction of the Helio A7 is still Motion Composite’s symmetrical cross brace which provides the efficient, lightweight, sturdy feel of a rigid frame chair with convenience of a folding frame chair.

Measuring Guide

View Detailed Measurement Guide

Seat Depth¹

Measure from the most posterior point of the body to the inside of the knee, minus at least two inches. Some prefer more leg overhang to make room for their hand when lifting their leg.

Back Height²

Measured from the seat base to the top of the wheelchair back. Depends on how much upper back support is needed, and also affects freedom for the upper body to rotate.

Rear Seat to Floor³

Measurement from the ground to the rear seat edge. Relative to the front seat-to-floor dimension, this determines the rearward slope ("dump" or "squeeze") of the wheelchair seat.

Hanger Angle⁴

Determines how far the toes extend away from the body, measured from the horizontal. A tighter angle allows the wheelchair to turn around in less space. Depends in part on ability of the knee to bend towards the perpendicular.

Seat Width⁵

Determined by the widest point of the body from knee to hip, plus an inch to ensure room to move. Consider bulk of clothing, particularly a heavy winter coat, if relevant.

Wheel Camber⁶

Angle of the wheel relative to the vertical. More camber improves stability and agility, but also limits ability to pass through narrow spaces. A typical daily wheelchair uses three degrees of camber.

Front Seat to Floor⁷

Measure the leg from the back of the knee to the sole of the foot. Then subtract the thickness of the cushion when it is compressed. Next, add a minimum of two inches for footrest clearance. Do not add the footrest clearance if the wheelchair will be foot-propelled.

Footrest Width⁸

Measure from the inside of each legrest tubing the distance or desired distance between legrests.

Center of Gravity⁹

Measure from the front of the seat back post to the center of the rear axel.

Seat to Footrest Length¹⁰

Measure from the edge of the seat upholstery to the top rear of the footrest.

Backrest Angle¹¹

Measure the the angle of the back post to the floor. Ninety degrees will be perpendicular to the floor, to approximate the angle from the back post to the seat, subtract two degrees from measurment for every .5" of dump.

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