HDRCMC works with a range of other organisations, including clubs and model shops, and is, of course, an active member of the British Model Flying Association.

Here are some which might prove useful:

BMFA - http://www.bmfa.org/

Southwater Dabblers - http://dabblers.wikispaces.com/

Sussex Model Centre - http://www.sussex-model-centre.co.uk/

Southwater Cycles (model section) - http://www.southwatercycles.com

Red Baron Models - http://www.redbaronmodels.com