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Mistral R & S

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The Mistral R is now part of our standard product range, it is a development of our successful Mistral craft, having the same basic layout with the ‘cabin/deck  area’ being the same. However behind the rear row of seats is a duct box housing a 650mm lift fan , this air is ducted out in the same way as our Vortex7 craft. This fan is powered by a Briggs & Stratton 28hp Horizontal shaft engine.


All the engineering components are behind the rear set of seats leaving the ‘cabin/deck area’ clear for operations. At Vortex we avoid putting lift engines at the front of the craft, no matter how well they are shielded water can always find its way into the fan/engine assembly causing break downs and failures. By putting all machinery behind the occupants not only is it safer but also quieter during operation.

 

This craft was originally produced as a military prototype, there are advantages in having a twin engined craft when operating in the search and rescue environment. The key advantage of this craft is that the performance is vey high, with 28hp engine providing full lift the 80hp thrust engine is just being used for performance and as such it is as quick as our F2 racing craft. We have found that with this craft (along with our twin engined Sirocco), when travelling at speed on smooth surfaces such, as wet sand, that when releasing the thrust throttle the craft continues to travel at almost the same speed, which is good but slowing down without brakes is  ‘fun’!!

 

On a serious note it does have an excellent role in the search and rescue environment due to its slow speed maneuverability.

 

Number of crew

1 (pilot)

Number of passengers

3/4 (depending on size / weight)

 

 

Hull Details

 

Length

4.8m

Width for trailing / loading

2.15m

Height (off hover)

1.7m

Weight (depends on final spec)

Approx 400kg

 

 

Length (on hover)

5.3m

Width (on hover)

2.45m

Height (on hover)

2.00m

Max Design Payload (depends on final spec)

450kg

 

 

Buoyancy

 

Polystyrene and polyurethane

1.3 m3   (1200kg)

 

 

Thrust System

 

Fan dia

1100mm

Toyota 3 cylinder 1000cc  petrol

80hp@6800rpm

Hascon BS series (5Z)

8 / 12 @ 45deg

Lift System

 

Briggs & Stratton

28hp @3500rpm

Fan dia

650mm

Hascon MS series

9/9@35deg

 

 

Control Surfaces

 

Rudders

3

Trim control

1

 

 

Skirt

 

Loop

650gr/ m2

 

Fingers / segments

275gr/ m2

 

 

Nominal cruising speed

70kph

Maximum operating speed

> 70kph

 

 

Standard equipment

 

Safety Lanyard

 

Navigation beacon

 

Engine temperature gauge

 

Engine tachometer

 

Oil warning light

 

Battery Meter

 

Hour Meters

 

Mooring ropes

 

Fuel Tank

35lt

Operation time under normal cruising conditions

4+ hours

12v power outlets (front and rear)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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Key Features


  • Very high level of stability when sat on the water during a rescue operation

  • Twin batteries, engine and coms / lights separate

  • Wirless controlled search lights mounted high up along with flood light front bar

  • High free board for security and safety



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The Mistral R & S are in essence the craft, except the S (Sport) only has one battery, no emergency service flashing blue light or remote search lights.  One customer recently reported having achieved 62mph whilst 2 up on shallow water!!!  Not bad.


A range of VHF communication and Satellite Navigation is an available extra for both craft.

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