For FAR 23 certified, propeller driven aeroplanes it can be observed that the distance (Sto) required to clear a 50’ obstacle is 1.66 greater than the ground run. The ground run (StoG) is a function of wing loading, power loading, & take off co-efficient of lift.
Utilising 2 * 85 Hp Jabiru 2200 engines, then as per part 1, chapter 3, page 95 as;
StoG = (W/S)to(W/P)to/σCLto
where: CLto = CLmax/1.21
Sea Level | 5000 ft | ||||||
StoG | Sto | StoG | Sto | ||||
ft | m | ft | m | ft | m | ft | m |
167 | 51 | 277 | 84 | 194 | 59 | 321 | 98 |
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