Rate Of Climb - Bell BHT-206L3-FM-1 LongRanger-III Flight Manual

FAA APPROVED
BHT-206L3-FM-1
270
Figure 4-6. Critical relative wind azimuths
CAUTION SHOULD BE
EXERCISED WHEN OPERATING
AT LOW AIRSPEEDS ABOVE
ALTITUDES PUBLISHED IN
PERFORMANCE CHARTS. TAIL
ROTOR EFFECTIVENESS MAY BE
MARGINAL AT HIGH POWER
SETTINGS UNDER THESE
CONDITIONS.
The following example is for use with the
Hover Ceiling - In Ground Effect chart
with ENGINE-ANTI-ICING - OFF, and is
typical for use of all other hover ceiling
charts.
. EXAMPLE:
What gross weight hover capability could
be expected at a site having the following
conditions:
H, = 10,000 ft.
OAT = 30°C
From the appropriate IGE chart obtain:
A maximum of 3550 pounds (1610
kilograms) for all allowable wind
conditions, and a maximum of 4150
pounds (1662 kilograms) when wind
conditions are calm or outside the critical
wind azimuth area.
From the appropriate OGE chat-l obtain:
A maximum of 3450 pounds (1565
kilograms) for all allowable wind
conditions, and a maximum of 3550
pounds (1610 kilograms) when wind
conditions are calm or outside the critical
wind azimuth area.
4-4. RATE OF CLIMB
Rate of Climb charts are presented for
various combinations of power settings
4-11