Did the results match the expectations from a common-sense point of view?

Moment of Inertia
Collected Data
Diameter of Hub		0.0477m
Radius of Hub		0.02385m
Inner Diameter Ring		0.22m
Inner Radius Ring		0.11m
Outer Diameter Ring		0.0253m
Outer Radius Ring		0.01265m
Mass of Ring		4.844kg
Diameter of Disk		0.253m
Radius of Disk		0.01265m
Mass of Disk		4.963kg
Dropped mass for Platform		.1kg
Dropped mass for Ring + Platform		.5kg
Dropped mass for Disk + Platform		.5kg
Acceleration for Platform alone		.2536m/s^2
Acceleration for Platform plus Ring		.03613 rad/s^2
Acceleration for Platform plus Disk		.06211 rad/s^2
Calculations - Platform Alone
T = m(g-a)		0.955 N
Torque = T x RH		0.022 kg m^2
= a/RH		10.6 rad/s^2
I of Platform = Torque/		0.0021 kg m^2
Calculations - Platform plus Ring
T = m(g-a)		4.886 N
Torque = T x RH		0.11 Nm
= a/RH		1.51 rad/s^2
I of Platform plus Ring = Torque/		0.0769 kg m^2
I of Ring Alone = I(Platform + Ring) - I(Platform Alone)		0.0747 kg m^2
Calculations - Platform plus Disk
T = m(g-a)		4.87 N
Torque = T x RH		0.116 Nm
= a/RH		2.604 rad/s^2
I of Platform plus Disk = Torque/		0.0446 kg m^2
I of Disk Alone = I(Platform + Disk) - I(Platform Alone)		0.0422 kg m^2