- In geometry, an
epitrochoid (/ɛpɪˈtrɒkɔɪd/ or /ɛpɪˈtroʊkɔɪd/) is a
roulette traced by a
point attached to a
circle of
radius r
rolling around the outside...
- curve,
generalizing cycloids, epicycloids, hypocycloids, trochoids,
epitrochoids, hypotrochoids, and involutes. On a
basic level, it is the path traced...
- only
successful pistonless rotary engine to date, a figure-eight-like
epitrochoid housing surrounds a
curved sided triangular rotor. The
rotor revolves...
-
means Elliptic integral K(m)
Epitrochoid Epicycloid (special case of the
epitrochoid) Limaçon (special case of the
epitrochoid)
Hypotrochoid Hypocycloid...
- An
interpolation of a
finite set of
points on an
epitrochoid. The
points in red are
connected by blue
interpolated spline curves deduced only from the...
- Tusi couple). The
classic Spirograph toy
traces out
hypotrochoid and
epitrochoid curves.
Hypotrochoids describe the
support of the
eigenvalues of some...
-
Curve Astroid Atriphtaloid Nephroid Quadrifolium Epicycloid Epispiral Epitrochoid Hypocycloid Lissajous curve Poinsot's
spirals Rose
curve Bicuspid curve...
-
around ( x 0 , y 0 ) {\displaystyle (x_{0},y_{0})} (the hypotrochoid/
epitrochoid case), x ′ = x 0 + r 2 cos ( ω 2 t + ϕ 2 ) , y ′ = y 0 + r 2 sin...
- 19/5 k = 5.5 = 11/2 k = 7.2 = 36/5 The
epicycloid is a
special kind of
epitrochoid. An
epicycle with one cusp is a cardioid, two
cusps is a nephroid. An...
-
material used for the
three rotor tips (apex seals) for the oval-like
epitrochoid-shaped
rotor housing that
sealed the
combustion chambers. A
feature of...
