And Jack Rafters. Calculated Industries 4050
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The Calculated Industries 4050 is a versatile construction calculator that can assist you with various tasks, including area, volume, and weight calculations, roof framing, stair layout, and more. It features dedicated keys for common construction functions, allowing for quick and accurate calculations. Additionally, it offers the ability to convert between different units of measurement, making it suitable for projects using both metric and imperial units.
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REGULAR HIP/VALLEY
AND JACK RAFTERS
A roof’s Pitch is 225 mm and half the total span is 1800 mm. Find the lengths of the
Common, Hip/Valley and Jack rafters. Also find the incremental jack adjustment and the cut angles. (Jack rafters at 400 mm Oncenter spacing.)
400 mm
KEYSTROKE DISPLAY oo
1800MR
0.
1. Find the Common rafter length:
RUN 1800. MM
225Mp d (Common)
2. Enter On-Center spacing
PTCH 225. MM
DIAG 2237.309
MM
400MQ5 (o.c.) OC
@
400. MM
3. Find the Hip/Valley rafter length and cut angles; then the incremental jack adjustment, Jack rafter lengths and cut angles:
H j
H/V 2871.507 MM
JKOC
@
400 M j j j j j
JK 1 1740.129 MM
JK 2 1242.949 MM
JK 3 745.7696 MM
JK 4 248.5899 MM
JK 5 0. MM
IRREGULAR HIP/VALLEY
A roof has a 225 mm Pitch, an irregular Pitch of 300 mm, and half the span is 2000 mm.
Solve the Hip/Valley length. On-center spacing is 400 mm.
KEYSTROKE DISPLAY oo
2000MR
0.
1. Find Common rafter length:
225Mp
PTCH 225. MM
RUN 2000.
MM d DIAG 2485.899 MM
2. Enter On-center spacing and irregular Pitch; find irregular Hip rafter:
400MQ5
(o.c.) OC
@
400. MM
300M
QH (lr/Pitch)
M
H
IPCH 7-7/8 INCH
300. MM
IH/V 2903.393 MM
RAKE-WALL – NO BASE
Find each stud size in a Rake-Wall with a peak of 1000 mm, and a length of 1500 mm.
Use 400 mm as your On-center spacing:
P ocket
R efeRence
G uide
— 26
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Table of contents
- - Basic Function Keys
- - Dimension Keys
- - Arc/Circle Keys
- - Right Triangle/Roof Framing Keys
- - Stair Layout Key
- - Stair Settings
- - Miscellaneous Functions
- - Paperless Tape Example
- - Preference Settings
- - Entering Dimensions
- - Entering Linear Dimensions
- 1 Entering Square/Cubic Dimensions
- 2 Basic Math Operations
- 2 Strings of Dimensions
- 3 Dividing Dimensions
- 3 Rectangular Area and Volume
- 3 Cubic and Adding A Waste Allowance
- 4 Linear Conversions
- 4 Weight Conversions
- 5 Weight Per Volume
- 6 Using the Memory
- 7 Baluster Spacing
- 8 Number of Studs
- 8 Circle Area and Circumference
- 9 Arc Angle or Degree
- 10 Concrete Volume for Driveway
- 10 Concrete Columns
- 11 Complex Concrete Volume
- 12 Right Angle / Framing
- 13 Squaring-Up a Foundation
- 13 Pitch — Converting Roof Angle
- 14 Converting Slope
- 14 Common Rafter Length
- 15 And Jack Rafters
- 16 Irregular Hip/Valley
- 16 Rake-Wall – No Base
- 17 Stairs
- 17 Stairs — Given Rise and Run
- 18 Stairs — Given Rise Only
- 23 Area and Volume Formulas
- 23 Area Formulas
- 23 Volume Formulas
- 4 Basic Function Keys
- 5 Dimension Keys
- 6 Arc/Circle Keys
- 6 Right Triangle/Roof Framing Keys
- 8 Stair Layout Key
- 9 Stair Settings
- 9 Miscellaneous Functions
- 11 Paperless Tape Example
- 12 Preference Settings
- 13 Entering Dimensions
- 13 Entering Linear Dimensions
- 14 Entering Square/Cubic Dimensions
- 15 Basic Math Operations
- 15 Strings of Dimensions
- 16 Dividing Dimensions
- 16 Rectangular Area and Volume
- 16 Cubic and Adding A Waste Allowance
- 17 Linear Conversions
- 17 Weight Conversions
- 18 Weight Per Volume
- 19 Using the Memory
- 20 Baluster Spacing
- 21 Number of Studs
- 21 Circle Area and Circumference
- 22 Arc Angle or Degree
- 23 Concrete Volume for Driveway
- 23 Concrete Columns
- 24 Complex Concrete Volume
- 25 Right Angle / Framing
- 26 Squaring-Up a Foundation
- 26 Pitch — Converting Roof Angle
- 27 Converting Slope
- 27 Common Rafter Length
- 28 And Jack Rafters
- 29 Irregular Hip/Valley
- 29 Rake-Wall – No Base
- 30 Stairs
- 30 Stairs — Given Rise and Run
- 31 Stairs — Given Rise Only
- 36 Area and Volume Formulas
- 36 Area Formulas
- 36 Volume Formulas