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Unread 23-01-2017, 08:44
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Elec+Mech
AKA: Alastair Pilley
FRC #4613 (Barker Redbacks)
Team Role: Mechanical
 
Join Date: May 2015
Rookie Year: 2013
Location: Sydney, Australia
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Re: What is your drivetrain's top speed?

Quote:
Originally Posted by Lexeo View Post
We will realistically be able to hit a top speed of between 17-20 ft/s, (takes about 3-5 seconds to accelerate to that point).
Quote:
Originally Posted by GeeTwo View Post
If I understand you correctly, we're getting across the field faster with single speed 2-CIM gearboxes based on our time trials with a tote full of spare parts to simulate full robot weight. As strange as it sounds, you'd probably get across the field faster with slower gearing; I suggest you do more math.
A robot with single speed gearboxes and 4 CIMs total each can cross the field in under 4 seconds. Choosing a high-gear of 2.81:1 sounds a little bit much, something around 4-5:1 could be a better option. It also means that you don't to worry about tripping your breaker if you accidentally start off in high gear.
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