Watts Innovations Public Knowledge Base
  • WELCOME
  • Introduction
  • Aircraft
    • ⚫PRISM Sky
      • 📚PRISM Sky Manuals and Documentation
        • 📓PRISM Sky Flight Manual
        • 🗒️PRISM Sky Quick Start Guide
      • 🔎Remote ID
        • How Remote ID Works
        • Serial Numbers & Labeling
        • Registering PRISM Sky with the FAA
        • Configuration for Operators
        • Remote ID Status
        • Product Support & Notification
          • Making your PRISM Sky Remote ID Compliant
        • FAQ
      • 📌Safety Bulletins
      • ⚙️The Basics
        • Selecting a Ground Control Station
          • KONTACT GCS
          • PC, Laptop or Tablet GCS
        • Resetting to stock configuration
        • "Hot Swapping" Batteries
        • Registering for Suite & Activating PRISM Sky
        • Sensor Calibration
          • Compass Calibration
          • Gyroscope Calibration
          • Accelerometer Calibration
        • Communication Link C2
          • Radio Setup
            • Silvus Radio
              • Installing Silvus Antennas
              • Accessing the User Interface (Silvus)
            • DoodleLabs Radio
              • Installing DoodleLabs Antennas
              • Accessing the User Interface (DoodleLabs)
              • Changing the SSID
              • Changing basic radio settings
              • Accessing the Spectrum Scanner Tool
        • Attaching Motor Arms
        • Installing Propellers
      • 💻GCS Software
        • Watts AMC
          • System Requirements
          • Installing/Updating Watts AMC
          • Release Notes (Watts AMC)
      • ✈️Aircraft Firmware
        • AuterionOS for PRISM Sky
          • Downloading AOS for PRISM Sky
          • Connecting/Updating AOS for PRISM Sky
          • Release Notes (AOS)
      • 🏗️Payload Integrations
        • Payload Rail System
          • Installing & Removing Payloads
        • Payloads
          • Gremsy T3 PE Gimbal
            • Sony A7RIV
              • Formatting Storage Devices
              • Data Storage
          • DRS-25 Parachute
            • Installing the DRS-25 on PRISM Sky
            • Configuring the DRS-25 on PRISM Sky
            • Arming the DRS-25 on PRISM Sky
            • Repacking the DRS-25 Parachute
        • Controlling a device through PWM
      • ➕PRISM Sky Accessories
        • PRISM Sky Quick Release Battery Tray Set
        • PRISM Sky External GPS Mount
        • PRISM Sky Gremsy Damping Plate Assembly
        • PRISM Sky External Power Cables
        • Attaching LW20 leg to PRISM Sky
      • ⁉️PRISM Sky + KONTACT Troubleshooting Tips
    • 🔵PRISM Lite
      • PRISM Lite Manuals and Documentation
        • PRISM Lite Flight Manual
        • PRISM Lite Quick Start Guide
      • Remote ID
        • How Remote ID Works
        • Serial Numbers & Labeling
        • Registering PRISM Lite with the FAA
        • Configuration for Operators
        • Remote ID Status
        • Product Support and Notification
      • Safety Bulletins
      • The Basics
        • Installing SBus Receivers
          • Radio Calibration
          • Mapping Channels
      • GCS Software
        • QGroundControl
          • System Requirements
          • Installing/Updating QGroundControl
          • Release Notes (QGC)
        • Mission Planner
          • System Requirements
          • Installing/Updating Mission Planner
          • Release Notes (MP)
      • Aircraft Firmware
        • ArduCopter for PRISM Lite
          • Downloading ArduCopter for PRISM Lite
          • Connecting/Updating PRISM Lite
          • Release Notes (ArduCopter)
      • PRISM Lite Accessories
        • IDLINK
          • Configuration for Operators
            • Disabling the Serial Enumerator
    • 🔴PRISM
      • 📚Manuals & Documentation
        • 📘PRISM Flight Manual
        • ℹ️PRISM Quick Start Guide
      • 🔍PRISM Remote ID
      • 📌Safety Bulletins
        • PRISM SA01: Landing Gear Clamp
        • PRISM SA02: "Hot Plugging" Arm Socket
        • PRISM SB01: Coaxial Motor Mount Defect
      • ❓The Basics
        • Assembling PRISM
        • Attaching Motor Arms
        • Installing Propellers
        • Removing GPS's
        • PRISM Flight Modes
        • Propulsion System
        • PRISM Aircraft Weight
        • Battery Tips
        • Pairing a new Echosky to PRISM Air Unit
      • 📷PRISM Payload Integration
        • Payload Rail System
          • Installing Payloads
      • 💻WattsQGC Overview
      • 👨‍💻Firmware Updates
        • Updating WattsQGC
        • WattsQGC Release Notes
        • PRISM Release notes
        • Updating PRISM Firmware
      • 🚁PRISM Accessories
        • PRISM Carry Handle
        • PRISM External Data A Connector
        • PRISM External Power Cables
        • PRISM Quick Release Battery Tray Set
        • RFD900X Combo Set
        • PRISM: Here+ RTK Base & Tripod Combo
        • PRISM Extended Landing Gear Set
        • PRISM External GPS Folding Mount
  • Ground Control Station
    • 🎮KONTACT
      • KONTACT Quick Start Guide
  • POWER
    • ⚡Power & Charging
      • 🔋WATTS ULTRA LIGHT LiPo
        • 12S 16,000mAh
      • ✔️CHEK 12s Battery Monitor
      • 🔌EV Peak U4 Charger
      • 🦺General LiPo Battery Tips
  • PAYLOADS
    • 📦REEL Intelligent Delivery Winch
      • What Is In The Box?
      • Mounting, Connecting and button usage for REEL
        • How to use REEL in AMC
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  • Weight Tables
  • Endurance

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  1. Aircraft
  2. PRISM
  3. The Basics

PRISM Aircraft Weight

Weight Tables

QUADCOPTER

COAXIAL X8

DRY WEIGHT

15.6lbs (7.08kg)

20.3lbs (9.21kg)

WEIGHT WITH BATTERIES

See values scaled for battery weights, below

See values scaled for battery weights, below

Tattu 6s 8,000mAh x 4 (10.6lbs)

26.2lbs (11.88 kg)

30.9lbs (14.02kg)

Tattu 6s 10,000mAh x 4 (13.75lbs)

29.4lbs (11.29kg)

34.1lbs (15.47kg)

Tattu PLUS 6s 16,000mAh x 4 (19 lbs)

34.6lbs (15.69kg)

39.3lbs (17.83kg)

Tattu PLUS 12s 16,000mAh x 2 (21.5lbs)

N/A

41.8lbs (18.96kg)

MTOW

37lbs (16.78kg)

54.9lbs (24.9kg)*

MAXIMUM USER PAYLOAD

See values scaled for battery weights, below

See values scaled for battery weights, below

Tattu 6s 8,000mAh x 4 (10.6lbs)

10.8lbs (4.89kg)

24.0lbs (10.88kg)

Tattu 6s 10,000mAh x 4 (13.75lbs)

7.6lbs (3.44kg)

20.8lbs (9.43kg)

Tattu PLUS 6s 16,000mAh x 4 (19lbs)

2.4lbs (1.08kg)

15.6lbs (7.07kg)

Tattus PLUS 12s 16,000mAh x 2 (21.5lbs)

N/A

13.1lbs (5.94kg)

*The PRISM X8 configuration is technically capable of an MTOW of 55lbs or more, but may not operate at an MTOW of 55lbs or greater by law while remaining in tis weight and performance category. Equipping the PRISM for an MTOW of 55lbs or more may require additional certifications under different regulations, depending on the Civil Aviation Authority in the country of operation.

Endurance

PRISM’s flight endurance varies according to payload, quantity and degree of maneuvering, and atmospheric conditions. Additionally, PRISM supports 6S lithium-polymer battery sizes from 8,000 mAh to 16,000 mAh. Using batteries of a greater capacity will logically increase flight endurance, but larger batteries also impact performance due to their larger mass. The interactive Flight Time Calculator has been developed using real-world testing to assist in calculating the average flight time users can expect with a given payload and battery. The Flight Time Calculator may be found here:

NOTE: Operators should not discharge the batteries beyond 80% of their capacity before landing, and should not attempt to remain in the air on batteries that have less than 20% charge. Discharge levels may be monitored on the RPS display during flight. The following table shows the recommended usage levels per type of 6S battery in use.

Battery Capacity (mAh)

Return-to-Home Level (mAh used) - 70%

Landing Level (mAh used) - 80%

8,000

5,600

6,400

10,000

7,000

8,000

16,000

11,200

12,800

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Last updated 2 years ago

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Quadcopter calculator:

Coaxial X8 calculator:

PRISM Payload & Flight Time Graph in the quadcopter configuration
🔴
❓
https://wattsinnovations.com/pages/prismquadcalc
https://wattsinnovations.com/pages/prismcoaxialcalc
PRISM Payload & Flight Time Graph in the X8 configuration