Practical Caravan's Helpline has been out of order this afternoon (Tuesday November 7). Techies are currently investigating the fault. Please accept PCV's apologies for the problem. If you have tried to call the Helpline this afternoon without success, please email your query to practical.caravan@haynet.com or write to Practical Caravan Q&A, Teddington Studios, Broom Road, Teddington, TW11 9BE.