sunracer heliotrope

(*) www.insat.com/WEB/heliotrope

Solar-Electric Racing Vehicle

World Solar Challenge 1996

X PROJECT 2006 - 2008

working EV prototype EV projected EV

Concept & Design

· LUCIANO GIOL (It-Fr) – Civil Engineer

Innovation

· Specific custom-made DC brushless wheel-motor and controller, innovative general layout increasing solar electricity generation by 15% under WSC conditions, body-chassis shell made of carbon-epoxide composite material and honeycomb, wind/speed self-orienting wheel spats

Technical Features

+ see Web site ( *)

Three-wheeler (side-car motorcycle like layout), body-chassis shell made of carbon-epoxide composite material, removable wing with bearing wheel tilted at 2O° and attached to the right or the left side of the main section, on-line data acquisition, data and voice radio-transmission, maximum solar speed 70Km/hr

Chassis-body

· Length : 5400mm, Width : 2000mm, Height : 1000mm

· Wheelbase : 2400mm, Track : 1000 mm, Weight : 280Kg

· Front area : 0.90m2 ; Drag Coefficient : 0.12 (theoretical)

· Custom-made telescopic suspensions with oleopneumatic adjustable spring/dampers, redundant hydraulic brakes (rim calipers), custom-made aluminium wheels (double disk)

· Michelin Solar 65/80-16 radial tyres (510kPa); very low rolling resist.

Electric systems

· Specific custom-made DC brushless wheel-motor and controller,

nominal power : 1200W at 800rpm, global efficiency : 92%

· Batteries : Lead-acid, 2.4kWh, 77Kg

· Photovoltaic generator : 7.9 m2, silicon cells (16.5%), 8 Maximum Power Trackers, theoretical power : 1128W at 1000W/m2 (measured peak power : 1430W)

X PROJECT

2006-2008

- 3 Years Heliotrope’s Donation to a Scientific University in Country X,

where academic SRs do not exist

Solar-Electric Demonstration (4 to 5,000 Km) by Heliotrope in C. X

Operation Budget : US$ 250,000 ; Funding Donator needed

X First Academic

Solar Road

- Construction by donated University of its own SR “XX” (assistance)

“X First Academic Solar Road”, in Country X, by Sunracer XX

Entry of Sunracer XX into World Solar Challenge Darwin-Adelaide

World

Solar

Challenge

1996

· First French sunracer ever to enter the World Solar Challenge (Darwin to Adelaide : 3,000 Km Solar-Electric Race, Australia), 1996

3^rd place in the category "Lead-acid batteries" (27 competitors)

21^st overall (54 entries), 42.2 Km/hr on the average (mediocre weather)

1994-1996 Operation Budget : US$ 500,000

Working Team

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· Design, CadCam, Management, Funding : Luciano Giol (It-Fr)

· Mechanical Engineering : Dominique Rochier (Fr)

· Electrical Engineering : Michel Lajoie-Mazenc (Fr)

· Photovoltaic Generator : Hans Gochermann (Ge)

· Molds & Composite Materials : Christophe Konya (Fr)

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Contact

LUCIANO GIOL , Tel/Fax 33 5 57 43 36 46

E-mail : lucien.giol@wanadoo.fr , Mail : 21 rue de Piote, 33240 Aubie, France

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