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Hirth 3701es Complete Kit

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Price:
$8,250.00
SKU:
3701es
Brand:
Quantity:
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Product Description

ParamotorAviation offers the 3701, complete with dual ignition, manifold fuel injection, Oil injected lubrication, the gear box G40(1:2,16, 1:2,29 and 1:2,59) with a rubber isolator.  We also include the recommended radiator in kit and thermostat system.

The factory recommended TBO is rated at a real world 1000 hours at 75 % power. The warranty of the crankshaft is 3 years.

Description

The 3701 ES is a liquid cooled, reed valve controlled 3-cylinder-inline-2-stroke engine with electronic injection and Nikasil coated cylinders. It has one of the highest power to weight ratios available on the 100 HP engine market.  Ideally suited for Ultralights, hovercraft, gyrocopters, light experimental aircrafts and all applications where weight is an issue.

ParamotorAviation offer it with dual ignition, manifold fuel injection, Oil injected lubrication, the gear box G40 with a rubber isolator. We also include the recommended radiator in kit.

With a narrow engine profile  and with a single tuned exhaust used for all 3 cylinders this allows the 3701 to be used in compact engine compartments.  With the Pistons firing every 120 degrees the power is very smooth. The 3701 also has real world fuel consumptions to rival similar Hp 4-stroke engines.

The factory recommended TBO is rated at a real world 1000 hours at 75 % power. The warranty of the crankshaft is 3 years.

Technical data (Specification subject to change without prior notice)

Type: Three cylinder two stroke (inline)

Displacement: 939 cm3 (57.3 cu in) Stroke: 69 mm (2.72 in) Bore: 76 mm (2.99 in)

Max. performance: 74 kW (100HP) at 6000 rpm According to DIN 70020

Max. torque: 120 Nm (88.4 ft.lb) at 5500 rpm

Carburation: multi point injection

Ignition System: CDI Generator power: 250W ( dual spark plugs ), 12V

Cooling: Liquid cooling

Weight: under 71 kg installed package weight

Starting device:Electric starter

Running direction: Counter-clockwise, view to output shaft Fuel mixture :

Mixture (RON) Mixture 1:80-100 with BLUEMAX 2-stroke-oil, fuel min. 95 octane (other brands: 1:50, 2-stroke-oil, fuel min. 95 octane )

 

 


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