Recruit Prep Knowledge Prep Flashcards
14’ Roofer specs
- 28 lbs
- 1 person
- Floor 2 access
18’ Roofer specs
- 44 lbs
- 1 person
- Floor 2 access
24’ Ladder specs
- 72 lbs
- 1 person
- 2 sections (bed and fly)
- Floor 3 access
- 14’ bedded
28’ Ladder specs
- 87 lbs
- 1 person
- 2 sections (bed and fly)
- Floor 3 access
- 16’ bedded
35’ Ladder specs
- 129 lbs
- 2 person
- 3 sections (Bed, mid, fly)
- Floor 4 access
- 15’ bedded
45’ Ladder specs
- 240 lbs
- 4 person
- 3 sections (Bed, mid, fly)
- Floor 5 access
- 19’ bedded
Probar year invented
1975
Probar preceded by ___
The Halligan in 1948
Where was the Probar invented?
New York, NY
Probar height
30”
Adz length
6”
Adz width
2”
Spike length
6”
Forks length
6” overall, 5” to the crotch
Probar weight
10 lbs
Probar fighting style
Leverage
Probar construction
Single piece, drop forged 4120 steel
Advantage of single piece, drop forge construction vs the 3 piece variants
Stronger, lighter, and more effective
Convex side of the forks
Beveled side
Adz/pick triangle
The shape formed when an imaginary line connects the two parts
Using both the adz and pick simultaneously can be useful when ___
Forcing a door in some situations
The shoulders of the forks have been ___
Ground down from a rounded profile to a squared off 90° to enable confined space techniques
The base of the “V” in the forks
Crotch
The crotch is an important landmark for ___
Set depth
Maximizing the capabilities of the Halligan relies on ___
Utilizing the correct part of the tool to impart maximum mechanical advantage or spread
M.A.
Mechanical advantage
As spread increases, M.A. ___
Decreases
As M.A. increases, spread ___
Decreases
___ is crucial to gaining M.A.
Hand placement
Mnemonic for loading LDH
Coupling
Cover
Cross
Circle
