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Online Calculators

Promoting Electric Propulsion (PEP) PEP26

RC Boat Calculator https://www.radiocontrolinfo.com/information/rc-calculators/rc-boat-calculator/  B-Series Propeller Generator https://www.wageningen-b-series-propeller.com/   

Links 2025-2026:

Secretary Notes:

Zoom meeting with Crystal When2Meet: https://www.when2meet.com/?33613990-HEFgi Meeting with Crystal Notes Winter Break Meeting to discuss goals and plans for spring semester https://www.when2meet.com/?33924414-F7uIa Winter Break Meeting Notes ...

Power and Control

Promoting Electric Propulsion (PEP) PEP24

Batteries Battery 1 Capacity: 71,688mah + 17,457mah + 14,206mah = 103,351mah  Battery 2 Capacity: 90,007mah + 12,816mah = 102,823mah Battery 3 Battery 4 PCB Iterations V0.1 (Breadboard) Pre-PCB design that often was multiple parts of the system th...

PEP 2025 Information

Promoting Electric Propulsion (PEP) PEP25

Rule book Link Major Rules Requirements Distance: 2 miles Maximum Voltage: 55 V  Maximum Amp-Hours: 500 Ah Emergency Shut Off Secured Batteries Maximum 5 minutes at the ramp ½ in. rope connection for towing Optional ...

Hull Design

Promoting Electric Propulsion (PEP) PEP25

Hull Design - General Notes --------------------------------- Hull Composition: The hull of our vessel has to accomplish multiple things in order to be successful.  Don't sink Go fast Fit everything nicely Don't put us in debt The first thing it has...

Propeller Design Research and Specifications

Promoting Electric Propulsion (PEP) PEP25

Date: 9/6/24 Meeting goals Research into manufacturing options Metal Resin ASA Research into propeller design Research into counter-rotating propellers Meeting Notes LINKS: https://bblades.com/props-101/#:~:text=Rake%20is%20the%20amount%20o...

Propeller Design Research Part 2

Promoting Electric Propulsion (PEP) PEP25

Date: 09/17/24 Meeting goals Calculator for approximate propeller thrust given motor specifications Learn how to use a simulator to simulate propeller performance Compare calculator results to simulator results Meeting Notes Propeller thrust can be...

Rudder

Promoting Electric Propulsion (PEP) PEP25

9/20/2024 Balanced Barn door rudder which can either be attached from just the top or form a top and bottom, which is a rudder with a shaft through the middle which will spin the rudder.  Benefits: Less force needed so steer the rudder  relatively simple...

OpenProp Design Parameters

Promoting Electric Propulsion (PEP) PEP25

OpenProp Design Parameters - B-series propeller design parameters: Untitled- B-series propeller design procedure: OptimumdesignofB-seriesmarinepropellers.pdf1. c/D (Chord Length / Diameter Ratio) Description: The ratio of the chord length of the blade to t...

Motor

Promoting Electric Propulsion (PEP) PEP25

9/10/2024 By looking at the possible motors that we have chosen and comparing them with power and price we have decided to go with: APISQUEEN 70167 Also worked on calculation in the spread sheet, Current spread sheet to calculate values(PDF): Coming upwi...

Motor Controllers

Promoting Electric Propulsion (PEP) PEP25

Main motor controller (link) We made the decision to go with the Flipsky 75350. We made this decision because of prior years experience with Flipsky controllers and they give some of the best functionality and configuration.  Pros High power output Built...

Batteries

Promoting Electric Propulsion (PEP) PEP25

High Power System Batteries (link) We will continue to use out 4 100ah Lithium Iron Phosphate (LiFe) batteries that we choose last year for our competition. These batteries were very oversized for our purposes last year but will much better suited this year w...

PCB

Promoting Electric Propulsion (PEP) PEP25

Old Boat PCB.zip

Notes

Promoting Electric Propulsion (PEP) PEP25

Notes 09/06/24 Meeting goals Meeting Notes List of sensors/control connections for the boat temp sensors actuator communication imu / GPS main motor Controller data collection e-stop control What was completed? What is in...

Full System Layout

Promoting Electric Propulsion (PEP) PEP25

Full System High Voltage System High Voltage Supply High Voltage Distribution Low Voltage System

PEP24 Overview

Promoting Electric Propulsion (PEP) PEP24

PEP24 was RCCF's first time competing.  Our boat was a catamaran constructed out of layered XPS foam wrapped in fiberglass.This year provided a strong foundation for future years. The LIthium Iron Phosphate batteries, selected for their long life span, contin...

Electrical System

Promoting Electric Propulsion (PEP) PEP26

Parts High Voltage System Contactor: AEV250-ME, rated for 500A 48V buck converter: converter for Stepper motor Driver VESC: FlipSky FSESC 7350, motor driver for Apisqueen Motor Main Motor: Apisqueen Motor used for forward propulsion Stepper motor drive...

Part Specs

Promoting Electric Propulsion (PEP) PEP26

Pin Out & Specs Voltage: 14-84V (safe for 3-20S) Continuous Current: 50V/350A,75V/250A Max Current: 800A Supported sensors: ABI, HALL, AS5047, AS5048A ERPM: 150000 Phase filter: Yes Motor wire: 8AWG Power cable: 8AWG In...

General Tips on how to design for FDM 3D printing

3D Printing Techniques

General Tips on how to design for FDM 3D printing  8 Essential Design Rules for Mass Production 3D Printing-Slant3D How to Design a Print with Perfect Tolerance EVERY Time - Slant3D 6 Advanced FDM 3D Printing Tips When Adding Metal Parts - TriMech

3D Printed Joints

3D Printing Techniques

3D Printed Joints Dovetail Joint in 3d printing - NeedItMakeIt Adapting the BEST Woodworking Joints for 3D Printing - NeedItMakeIt