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prop.py
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prop.py
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############################################################################
#
# QuadcopeRPI- SW for controlling a quadcopter by RPI
#
# Copyright (C) 2014 Oscar Ferrato (solenero tech)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Contact me at:
# solenero.tech@gmail.com
# solenerotech.wordpress.com
##############################################################################
import logging
class prop(object):
"""return prop informations:
self.diameter [inch]
self.pitch [inch]
self.kt (prop factor)
it can return the kp [kg/rpm^2]"""
def __init__(self, diameter, pitch, kt):
self.logger = logging.getLogger('myQ.prop')
self.diameter = diameter
self.pitch = pitch
self.kt = kt
self.kp = self.kt * self.pitch * pow(self.diameter, 3) * pow(10, -10) * 0.0283