1. One doesn't hear it when it's dropped. (8)
? S ? ? R ? ? ?
2. A first principle in current heaters. (7)
E ? ? ? E ? ?
3. Bind for strength (4)
B ? ? ?
4 A small flower. (4)
? I ? ?
5. Not straight. (7)
D ? ? ? ? ? D
6. They are fabulous horsemen (8)
C ? N ? A ? R ?