Preiss RHJ-9
# Preiss RHJ-9

The Preiss RHJ-9 is an evolution of the RHJ-7 and RHJ-8 side-by-side two-seat flapped homebuilt gliders. The wingspan was increased to 18.29 m and the maximum mass was raised to 500 kg. A wing construction similar to that of the later HP-18 was adopted employing foam ribs bonded to the aluminum spars and skins. It first flew in 1978.

## Specifications

General characteristics

* Crew: 1 pilot
* Capacity: 1 passenger
* Wingspan: 60 ft 0 in (18.29 m)
* Wing area: 155 sq ft (14.4 $m^2)$
* Aspect ratio: 23.25
* Empty weight: 670 lb (304 kg)
* Gross weight: 1,102 lb (500 kg)

Performance

* Rate of sink: 138 ft/min (0.70 m/s)
