# Flying Machines FM301 Stream

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Czech ultralight trike

FM301 Stream General information Type Ultralight trike National origin Czech Republic Manufacturer Flying Machines s.r.o. Status In production (2013)

The **Flying Machines FM301 Stream**, is a [Czech](/source/Czech_Republic) [ultralight trike](/source/Ultralight_trike), designed by and produced by [Flying Machines s.r.o.](/source/Flying_Machines_s.r.o.) of [Rasošky](/source/Raso%C5%A1ky). The aircraft is supplied as a complete ready-to-fly-aircraft.[1]

## Design and development

The FM301 was designed to comply with the [Fédération Aéronautique Internationale](/source/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale) [microlight](/source/Microlight) category, including the category's maximum gross weight of 450 kg (992 lb). It features a [cable-braced](/source/Flying_wires) [hang glider](/source/Hang_glider)-style [high-wing](/source/High-wing), weight-shift controls, a two-seats-in-[tandem](/source/Tandem) open cockpit with a [cockpit fairing](/source/Cockpit_fairing), [tricycle landing gear](/source/Tricycle_landing_gear) and a single engine in [pusher configuration](/source/Pusher_configuration).[1]

The aircraft is made with a [monocoque](/source/Monocoque) [fibreglass](/source/Fibreglass) carriage, with its double surface wing covered in [Dacron](/source/Dacron) sailcloth. Its 9.5 m (31.2 ft) span Quasar wing is supported by a single tube-type [kingpost](/source/Kingpost) and uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, air-cooled, [four-stroke](/source/Four-stroke), [dual-ignition](/source/Dual-ignition) 60 hp (45 kW) [HKS 700E](/source/HKS_700E) engine, with the [two-stroke](/source/Two-stroke) 64 hp (48 kW) [Rotax 582](/source/Rotax_582) and the four cylinder, air and liquid-cooled, [four-stroke](/source/Four-stroke), [dual-ignition](/source/Dual-ignition) 80 hp (60 kW) [Rotax 912UL](/source/Rotax_912UL) or 100 hp (75 kW) [Rotax 912ULS](/source/Rotax_912ULS) engines optional. With the HKS powerplant the aircraft has an empty weight of 175 kg (386 lb) and a gross weight of 450 kg (992 lb), giving a useful load of 275 kg (606 lb). With full fuel of 42 litres (9.2 imp gal; 11 US gal) the payload is 245 kg (540 lb).[1]

The unusual fibreglass structural construction allows internal fuel tanks and also permits a large unobstructed baggage area. The FM301 also has a unique wing mast system that allows the wing to be assembled and mounted on the carriage single-handedly.[1]

## Specifications (FM301)

*Data from* Bayerl and Flying Machines[1][2]

**General characteristics**

- **Crew:** one

- **Capacity:** one passenger

- **Wingspan:** 9.5 m (31 ft 2 in)

- **Wing area:** 15.4 m2 (166 sq ft)

- **Empty weight:** 175 kg (386 lb)

- **Gross weight:** 450 kg (992 lb)

- **Fuel capacity:** 42 litres (9.2 imp gal; 11 US gal)

- **Powerplant:** 1 × [HKS 700E](/source/HKS_700E) twin cylinder, air-cooled, [four stroke](/source/Four_stroke) [aircraft engine](/source/Aircraft_engine), 45 kW (60 hp)

- **Propellers:** 3-bladed composite

**Performance**

- **Maximum speed:** 135 km/h (84 mph, 73 kn)

- **Cruise speed:** 100 km/h (62 mph, 54 kn)

- **Stall speed:** 52 km/h (32 mph, 28 kn)

- **[Never exceed speed](/source/V_speeds#VNE):** 140 km/h (87 mph, 76 kn)

- **Maximum glide ratio:** 9:1

- **Rate of climb:** 6 m/s (1,200 ft/min)

- **Wing loading:** 29.2 kg/m2 (6.0 lb/sq ft)

## References

1. ^ [***a***](#cite_ref-WDLA11_1-0) [***b***](#cite_ref-WDLA11_1-1) [***c***](#cite_ref-WDLA11_1-2) [***d***](#cite_ref-WDLA11_1-3) [***e***](#cite_ref-WDLA11_1-4) Bayerl, Robby; Martin Berkemeier; et al: *World Directory of Leisure Aviation 2011-12*, page 212. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

1. **[^](#cite_ref-2)** ["FM301"](http://www.flyingmachines.cz/_english/fm301/). FlyingMachines.cz. Retrieved 12 July 2013.

## External links

- [Official website](http://www.flyingmachines.cz/_english/fm301/)

v t e Flying Machines aircraft Ultralight trikes FM301 Stream Fixed wing aircraft FM250 Vampire B612

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Adapted from the Wikipedia article [Flying Machines FM301 Stream](https://en.wikipedia.org/wiki/Flying_Machines_FM301_Stream) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Flying_Machines_FM301_Stream?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.