Specifications

30.9. Battery care and maintenance ............................................................... 208
30.9.1. Nickel-cadmium (NiCad) batteries ............................................... 208
30.9.2. Nickel-metal-hydride (NiMH) batteries ......................................... 209
30.9.3. Lithium-Polymer (LiPo) batteries ................................................. 209
30.9.4. NiCad/NiMH/LiPo Battery disposal .............................................. 209
30.9.5. Solderless power tube (SPT) battery packs ................................. 210
30.10. Maintenance and crash repair ............................................................. 210
30.10.1. Brushed motors w/carbon brushes ............................................ 210
30.10.2. Main rotor shaft bearings .......................................................... 210
30.10.3. Tail rotor shaft bearings ............................................................ 210
30.10.4. Tail belt tension ....................................................................... 210
30.10.5. Battery retaining o-rings ........................................................... 210
30.10.6. Main rotor blades ..................................................................... 211
30.10.7. Ball links ................................................................................. 211
30.10.8. Servo wear .............................................................................. 211
30.10.9. Ball bearings ........................................................................... 211
30.10.10. Corona specific maintenance .................................................. 211
30.10.11. Piccolo specific maintenance .................................................. 211
30.10.12. ECO 8/16 specific maintenance .............................................. 212
30.11. Useful equations ................................................................................. 212
30.11.1. Calculating headspeed ............................................................. 212
30.11.2. Estimating power consumption ................................................. 213
31. Glossary ......................................................................................................... 214
The Electric Helicopter Beginner's Guide
v17
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