what term describes how closely packed fuels are together?
fuel loading/arrangement
What is the purpose of the rakers?
controls the amount of wood the cutter can take.
rakers too low = more aggressive
rakers too high = slower cut, not enough bite
What are the three main factors that affect fire behavior?
Fuel, Weather, Topography
what does SEAT stand for and how many gallons can they hold?
Single Engine Air Tanker (max of 799)
Name 3 fuels that are found in Chaparral
Chamise
scrub oak
manzanita
What size round file do we use for sharpening and what is the recommended angle?
13/64
30 degrees
what does an inversion layer do to fire activty?
traps smoke and limits fire growth by suppressing vertical movement (puts a lid on it)
*when the inversion breaks, fire activity can increase rapidly*
List 3 aircraft that can hold a maximum of 3000 gallons
RJ-85
MD-87
Bae 146
MAFFS
During bucking operations, what are the two types of wood forces you need to identify before making your cut
compression and tension
What kind of rain is this?
Virga
What air attack does Rohnerville have?
A-120
What are the measurements of the pitch and gauge of the chains that we use here?
bonus 100 pts: what is the difference between the two?
Gauge: thickness of the drive link that fit into the bar's groove (0.050)
Pitch: Spacing between the chain's rivets (3/8)
take any three rivets, get the measurement between them and divide by 2.
Where do the Santa Ana winds originate and how do they get to us?
High pressure builds over the Great Basin -> air moves downward and out towards socal -> funnels through our mountain passes/canyons -> compresses and warms
Name all of the type 1 air tankers (3000-5999)
C-130H BAE 146
C-130 MAFFS MD-87
Boeing 737 RJ-85
DC-7
When felling trees, name 3 things to ensure before making your back cut.
Clear escape/egress route
No personnel in the danger zone
Communicate to everyone in work area and ensure they are aware.
Assess trees intended fall
what is the difference between a high pressure system and a low pressure system?
High Pressure: sinking, cooler air from atmosphere
Name all of the helicopters in SDU and their location.
100 Bonus points: what type of helicopters are they
RNM: C609, H538
GILLESPIE: C10/11/12 C127/128
FALLBROOK: 9CU
KITCHEN CREEK: formerly 3HT
MONTGOMERY: C2/3/4