Rigging Bridle Calculator+

Name: Rigging Bridle Calculator+
Price: 4.99 USD
Rating: 1 (2 reviews)
Author: Pawel Szepietowski

Stage rigging calculator

$4.99 · Designed for iPad

2 Ratings
Ages

4+
Years
Category

Utilities
Developer

Pawel Szepietowski
Language

EN
English
Size

17.2
MB

This application allows you to calculate the length of the legs, the angle between them, and the forces acting on the bridle and the elements of the structure to which it is suspended. Thanks to additional calculators, it is possible to calculate the Apex height and the position of the bridle point, changes in the load on the beam between two points, as well as the forces acting on the cantilever load, breast line horizontal forces, and several other calculations useful in arena fields. The application accepts all units of measurement, both metric and imperial (cm, m, in, ft). Whether you input values in feet or meters, the results will be accurate and consistent with the unit you used.

Ratings & Reviews

1.0

out of 5

2 Ratings

Not helpful
03/27/2025

IATSE67Rigger
This app does not save time for calculating bridles on the fly. It does not allow for the optimal workflow, which is to select the short leg as a fixed length, the point distance as a fixed length, and calculate all of the remaining information.I would suggest the following:Allow the user to manually enter and “lock” one of the leg lengths, and have the calculator solve the remaining numbers. When we calculate bridles in the field, we need to solve for the apex height and the length that uses the STAC chain, usually the long leg in most scenarios. So we enter the two beam heights, the span between beams, the span from the short leg point with no adjustable STAC chain and then finally solve for the apex height and the adjustable leg. I built a spreadsheet calculator to do this since there no longer exists an app to help.

Developer Response
Thank you for the feedback, but you are mistaken—the application is helpful for performing the calculations described in its description.RegardsThank you for your suggestion. You can perform these calculations using my calculator. The minimum apex height is determined by the installation trim height, plus the motor and sling, while the maximum is defined by the bridle opening angle. The minimum apex height comes from the project documentation, and you can find the maximum using my calculator. In the second section of the bridle calculator, if needed, you can calculate the apex height from the bridle leg lengths.Regards
Not helpful
03/27/2025

IATSE67Rigger

This app does not save time for calculating bridles on the fly. It does not allow for the optimal workflow, which is to select the short leg as a fixed length, the point distance as a fixed length, and calculate all of the remaining information.I would suggest the following:Allow the user to manually enter and “lock” one of the leg lengths, and have the calculator solve the remaining numbers. When we calculate bridles in the field, we need to solve for the apex height and the length that uses the STAC chain, usually the long leg in most scenarios. So we enter the two beam heights, the span between beams, the span from the short leg point with no adjustable STAC chain and then finally solve for the apex height and the adjustable leg. I built a spreadsheet calculator to do this since there no longer exists an app to help.
Developer Response 03/29/2025
Thank you for the feedback, but you are mistaken—the application is helpful for performing the calculations described in its description.RegardsThank you for your suggestion. You can perform these calculations using my calculator. The minimum apex height is determined by the installation trim height, plus the motor and sling, while the maximum is defined by the bridle opening angle. The minimum apex height comes from the project documentation, and you can find the maximum using my calculator. In the second section of the bridle calculator, if needed, you can calculate the apex height from the bridle leg lengths.Regards
Really? Inches or CM only?
05/13/2024

Local Lead
It is ridiculous that there isn’t a unit of measurement option to work in FEET AND INCHES. Having to convert every measurement into inches only and then convert back to feet and inches is a huge waste of time.

Developer Response
Hi.The application accepts all units of measurement, both metric and imperial (cm, m, in, ft).Whether you input values in feet or meters, the results will be accurate and consistent with the unit you used. Use the cm/in switch if you want to convert between centimeters and inches, and the kg/lb switch to convert between kilograms and pounds, and vice versa.Regards
Really? Inches or CM only?
05/13/2024

Local Lead

It is ridiculous that there isn’t a unit of measurement option to work in FEET AND INCHES. Having to convert every measurement into inches only and then convert back to feet and inches is a huge waste of time.
Developer Response 05/15/2024
Hi.The application accepts all units of measurement, both metric and imperial (cm, m, in, ft).Whether you input values in feet or meters, the results will be accurate and consistent with the unit you used. Use the cm/in switch if you want to convert between centimeters and inches, and the kg/lb switch to convert between kilograms and pounds, and vice versa.Regards

small fix

Version 2.1

Jan 6

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The developer does not collect any data from this app.

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Copyright

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Supports

Family Sharing

Up to six family members can use this app with Family Sharing enabled.

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Ratings & Reviews

Not helpful

Really? Inches or CM only?

What’s New

2.1

2.0

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

Version 2.1

App Privacy

Data Not Collected

Accessibility

Information

Supports

Family Sharing

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