FT
| Type | Fig. | Dimension(mm) | C1 (mm-1) | Le (mm) | Ae (mm2) | Ve (mm3) | Wt(g) | |||||
| A | B | C | D | E | F | |||||||
| FT16 | 1 | 15.6±0.3 | 13.4±0.3 | 7.0±0.2 | 2.8±0.1 | 10.0±0.2 | 7.8±0.2 | 2.27 | 44.4 | 19.6 | 870.2 | 4.5 |
| FT19 | 1 | 19.5±0.3 | 14.2±0.3 | 5.0±0.2 | 4.0±0.2 | 12.9min | 6.8min | 3.04 | 50.6 | 16.6 | 840 | 4.5 |
| FT21 | 1 | 21.3±0.4 | 15.6±0.3 | 4.5±0.2 | 4.4±0.2 | 15.6±0.3 | 7.0±0.2 | 3.4 | 54.6 | 16 | 873.6 | 4.9 |
| FT23 | 1 | 23.0±0.5 | 18.8±0.3 | 7.0±0.2 | 4.0±0.2 | 15.0±0.3 | 10.8±0.3 | 2.3 | 64.2 | 28 | 1797.6 | 9.3 |
| FT26 | 1 | 25.6±0.5 | 17.6±0.3 | 5.2±0.2 | 5.2±0.2 | 19.5min | 9.0±0.3 | 3.68 | 65.8 | 17.9 | 1177.8 | 6.9 |
| FT32 | 1 | 32.0±0.6 | 22.8±0.4 | 7.9±0.2 | 6.5±0.2 | 19.1±0.3 | 9.6±0.3 | 1.5 | 77.9 | 51.6 | 4019.6 | 21.1 |
