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Per Il Volo Top 80

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Per Il Volo Top 80
Type

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National origin

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Manufacturer

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Major applications

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The Per Il Volo Top 80 is an Italian single cylinder, two-stroke aircraft engine designed and produced by Per Il Volo of Galliera Veneta for powered paragliding. It was the first purpose-designed paramotor engine.[1][2][3]

Design and development

The Top 80 was developed specifically for the Per Il Volo Miniplane, which was introduced in 1989.[1][2][3]

The engine uses fan-cooling and a Walbro 24 diaphragm or Dell'Orto 17.5 basin-type carburetor. Designed for light weight as the overall consideration, the engine weighs Script error: No such module "convert"., plus the exhaust system weight of Script error: No such module "convert".. With the Walbro carburetor the Top 80 produces Script error: No such module "convert". at 9500 rpm. Power is delivered to the two-bladed wooden propeller though a reverse-turning gear box to reduce output net torque felt by the pilot during acceleration and deceleration. The oil filled gearbox can be fitted with 22/70 gears giving a reduction ratio of 3:182, 21/71 gears giving 3.381, 20/72 gears giving 3.60, 19/73 gears giving 3.842 or 18/74 gears with a ratio of 4.111. The engine also fits a centrifugal clutch that allows idling without turning the propeller, a useful feature in its main application on a paramotor, where it improves ground safety.[1][2][3]

Applications

Specifications (Top 80)

Data from Cliche, Bertrand and Per Il Volo[1][2][3]

General characteristics

  • Type: single cylinder, two-stroke aircraft engine
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  • Dry weight: Script error: No such module "convert"., plus the exhaust system Script error: No such module "convert".

Components

  • Valvetrain: piston ported
  • Fuel system: Walbro 24 diaphragm or Dell'Orto 17.5 basin-type carburetor
  • Fuel type: auto fuel
  • Oil system: premixed oil and fuel
  • Cooling system: fan forced air
  • Reduction gear: oil filled gearbox, reduction ratios of 3:182, 3.381, 3.60, 3.842 and 4.111 available

Performance

  • Power output: Script error: No such module "convert". at 9500 rpm with Walbro carburettor, Script error: No such module "convert". at 9300 rpm with Dell'Orto carburettor
  • Power-to-weight ratio: 1:1

References

  1. ^ a b c d Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page D-22. Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4
  2. ^ a b c d Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 73. Pagefast Ltd, Lancaster UK, 2003. ISSN 1368-485X
  3. ^ a b c d Per Il Volo (2001). "Top 80". Retrieved 1 April 2012. 

External links