Autoparts

Our latest web offer is the Sealey ClearVision Welding Helmet Solar Powered Shade 9 - 13. High quality variable shade 9-13 lens manufactured and tested to BSEN379. Fully automatic switching from light to dark on striking arc. Fitted with solar power panel - no batteries required. Features sensitivity and speed controls for switching light to dark. This prevents arc eye when welding at high power whilst still providing fast switching for tack welding. Deluxe contoured helmet design approved to BSEN175 gives full neck protection and protects lens from scratching when helmet is laid down. Comfortable headband and non-slip quick release ratchet mechanism. Suitable for MIG, TIG and arc welding.

Autoparts are now taking on Corteco, providing a range of torsional vibration dampers that have traditionally only been available from main agent dealerships.

The power impulses of an engine result in a torsional vibration in the crankshaft. A torsional vibration damper (TVD) mounted on the front end of the crankshaft controls this vibration. A TVD has many aliases, torsional vibration damper, decoupled pulley and crankshaft pulley. If the torsional vibration is not controlled, the crankshaft might break at certain operating speeds.

The Dual Mass Flywheel is quickly becoming THE clutch to fit to modern day vehicles... but why? Thanks to decades of experience in clutch building, the clutch manufacturers were able to find an excellent solution to a common problem - an additional damping device effectively preventing resonance to overload. In normal operation, however, this additional damping device has no function and the torsional vibrations of the engine are filtered out by spring dampers.

After a smooth-running 2007 CES UK Three Castles Welsh Classic Trial the plan is for an even better event in 2008. "The best of the best" is the organisers aim, as we refine venues and routes still further. In 9 months time the Three Castles Rally will be back... its time to prep our car, a 1972 Gilbern Invader Mk2... great fun! 3.0 Litre, no ABS, no traction control, old school.

Modern engines can be driven at extremely low rpms. The trend is toward ever increasing engine torques. Wind-tunnel-optimized bodies are creating less wind noise. New calculation methods are helping reduce vehicle weights and weight-saving concepts are boosting engine efficiency as well. The addition of a fifth or a sixth gear can also reduce fuel consumption. Thinner oils are making precise shifting easier. In short: The sources of noise are increasing and natural damping is decreasing. What has remained is the principle of the piston-stroke engine whose cyclical combustion processes excite torsional vibrations in the drive train – the unpleasant consequences of which are gear rattles and body booms.