最高时速 178.4km/h Specification of The Extreme Speed Eletric RC Car. Chassies and Body Design by Bruno Heremans and Sigurd Ruschkowski. Materials Used: Kevlar and Glass Fibre. Kevlar Honeycomb. Quasiisotrope Carbon and Glass Fibre Parts. Built by Sigurd Ruschkowski. Dimensions Length 1012 mm (40"). Width 350 mm (13.8") at its Widest Point. Height 300 mm (11.8"). Frontal Area 0.040 m2 Ground Clearance Front 5 mm. Rear 15 mm. Centre of Gravity 450 mm (TBD ") Horisontally. Measured from the Front. Centre of Pressure TBD mm (TBD "). Air Drag Coefficient (Cd) 0.25 (approx.). Weight RTR 7.5 kg ( TBD lb). Aerodynamical Parts Covered Wheels Decreases Cd. Gurney Flap Increases Downforce on the rear (and increases drag) wheels. Diffuser Used to compensate for the lift the body creates. Increases Downforce all under the body (and increases drag). Two Fins These two fins (vertical wings) help the car to go straight at high speeds (like for an airplane). Chassies Totally flat underside means good downforce capability and low drag. Body Low drag body shape. Vertical Sides. Rear Sides curved towards the middle. Sealed Car No openings, and Minimal airflow inside the car means less drag (and less dirt). Power Plant Batteries 32 of GP3300 RED2 Pushed and Matched by Hopf Modelltechnik. Inline Soldered. Parallelled Deans Bars. Battery Wire Thickness 10 mm2 high flex silicone wrapped OFC (Oxygene Free Copper). Battery Connectors Lehner 6 mm Ultrahigh Current (30 micro Ohm resistance). Motor Brushless 22-series HiAMP from Lehner: 2250 / 7, 2280 / 7, and 2280 / 8. Speed Control(s) Schulze 32.170 and 32.80 with Brake (32 cells, and 170 and 80 A respectively). ESC Connectors Schulze 3.5 mm (2 in parallel per phase). Speed Control Wires 10 mm2 high flex silicone wrapped OFC (Oxygene Free Copper). Charger ISL 636+ from Schulze (Software Rev 8.05). Discharger Design by Sigurd Ruschkowski using 30 Light Bulbs. Batteries for Charger Optima Yellow Top 12V / 55 Ah (2 of). Transmission Pinion Module 1.5 Steel and/or Hardened Aluminium. From 12 to 25 teeth. Spur Module 1.5 in Plastic from FG. From 40 to 58 teeth. Gear Ratio 1:4 to 1:2. RC Equipment TX Graupner XS-6 (FM Synthesizer) and Graupner XR-6 (FM). 40 MHz. RX Schulze alpha-840 sW, 40 MHz, long range antenna wire (1000mm, 39.4"). RX Batteries GP1100, 5 of Pushed and Matched by Hopf Modelltechnik. Servo Graupner High Power Digital Servo 8411. Fail Safe Unit Built-In in the Schulze Speed Controllers. Antenna 1000 mm (39.4") Long, 2 mm in Diameter and 900 mm Long Piano Wire Bent Forwards so It Will Stand Vertically at Max Speed. Wheels Front UFRA Foam 1:10 scale on Serpent Rims. 2 - 4mm Foam. Balanced, and Trued (within +- 0.1 mm). Rear 1:5 Scale Special Soft Type from PMT on FG Rims. Balanced, and Trued on Rear Axis. Suspension Front Highly modified 1:10 scale with parts from both XRAY T1 and Serpent 835. Rear Design by Bruno Heremans using a 4mm thick T-bar in Glass fibre plate and 2 FG Shocks. Al7075-T6 and Quasiisotrpe Carbon Plates. Ball Bearings Ceramic Ball Bearings from Boca Bearing. Oil filled. Fasteners Titanium Grade 5 from Titan Concept, and Aluminum 7075 - T6 from Poggipolini. [upload=jpg]picture/onroad/20052139554536369.jpg[/upload][upload=jpg]picture/onroad/20052139561051898.jpg[/upload] |
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