# Ramphos Trident

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Italian amphibious ultralight trike

Trident Ramphos Trident General information Type Ultralight trike National origin Italy Manufacturer Ramphos Status In production (2013) History Introduction date 1998

The **Ramphos Trident** is an Italian [amphibious](/source/Amphibious_aircraft) [ultralight trike](/source/Ultralight_trike), designed and produced by [Ramphos](https://en.wikipedia.org/w/index.php?title=Ramphos&action=edit&redlink=1) of [Fontanafredda](/source/Fontanafredda). The aircraft is supplied as a kit for [amateur construction](/source/Homebuilt_aircraft) or as a complete ready-to-fly-aircraft.[1]

## Design and development

The Trident 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). The Trident features a [strut-braced](/source/Strut-braced) [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 rigid boat hull, retractable [tricycle landing gear](/source/Tricycle_landing_gear) and a single engine in [pusher configuration](/source/Pusher_configuration).[1]

The aircraft is made from bolted-together [aluminum](/source/Aluminum) tubing, with its double surface wing covered in [Dacron](/source/Dacron) sailcloth and its boat hull made from either [fibreglass](/source/Fibreglass) or [carbon fibre](/source/Carbon_fibre) and [Kevlar](/source/Kevlar). Its 10.5 m (34.4 ft) span Hazard wing has struts and uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, liquid-cooled, [two-stroke](/source/Two-stroke), [dual-ignition](/source/Dual-ignition) 64 hp (48 kW) [Rotax 582](/source/Rotax_582) engine or a 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) engine or a 78 hp (58 kW) converted [Smart Car](/source/Smart_Car) four stroke [turbocharged](/source/Turbocharged) engine. All engines are fitted with a clutch that stops the propeller from turning when the engine is at idle to permit water handling. The boat hull features a water [rudder](/source/Rudder).[1]

Starting in 2005 the frame and wing portion of the aircraft was taken from the [Skyrider Sonic](/source/Skyrider_Sonic) ultralight trike, built by [Skyrider Flugschule](/source/Skyrider_Flugschule).[1]

## Variants

**Hydro**
- Initial [flying boat](/source/Flying_boat) model that lacks wheeled landing gear. Introduced in 1998 and in production in 2013.[1]

**Trident**
- Amphibious model with fibreglass boat hull, in production in 2013.[1]

**C**
- Amphibious model with carbon fibre/Kevlar boat hull and [lexan](/source/Lexan) windows in the bottom of the hull to allow visibility downwards. In production in 2013.[1]

## Specifications (Trident)

*Data from* Bayerl[1]

**General characteristics**

- **Crew:** one

- **Capacity:** one passenger

- **Wingspan:** 10.5 m (34 ft 5 in)

- **Wing area:** 15 m2 (160 sq ft)

- **Empty weight:** 200 kg (441 lb)

- **Powerplant:** 1 × [Rotax 912UL](/source/Rotax_912UL) four cylinder, liquid and air-cooled, [four stroke](/source/Four_stroke) [aircraft engine](/source/Aircraft_engine), 60 kW (80 hp)

- **Propellers:** 2-bladed composite

## 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) [***f***](#cite_ref-WDLA11_1-5) [***g***](#cite_ref-WDLA11_1-6) [***h***](#cite_ref-WDLA11_1-7) Bayerl, Robby; Martin Berkemeier; et al: *World Directory of Leisure Aviation 2011-12*, page 220. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

## External links

Wikimedia Commons has media related to [Ramphos Trident](https://commons.wikimedia.org/wiki/Category:Ramphos_Trident).

- [Official website](http://www.ramphos.com/)

[Portals](https://en.wikipedia.org/wiki/Wikipedia:Contents/Portals):
- [Italy](https://en.wikipedia.org/wiki/Portal:Italy)
- [Companies](https://en.wikipedia.org/wiki/Portal:Companies)
- [Aviation](https://en.wikipedia.org/wiki/Portal:Aviation)

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