diff --git a/content/zettels/rotation_stage.md b/content/zettels/rotation_stage.md
index 7d3d51d..60ad7f4 100644
--- a/content/zettels/rotation_stage.md
+++ b/content/zettels/rotation_stage.md
@@ -56,24 +56,7 @@ Noverlap = floor(Nfft/2);
 
 ### Mechanical Bearing Spindle (RT100BS) {#mechanical-bearing-spindle--rt100bs}
 
-```matlab
-%% 5 RPM - RT100BS from Lab Motion
-load('/home/thomas/mnt/data_mel/MEL/meas_equipment/spindle/RT100BS_roundness_5rev_5RPM.mat', 'data');
-
-Wz = 30; % 30 [deg/s] = 5 RPM
-x = 1e3*detrend(data.meet_data.raw, 0); % Radial Error [nm]
-
-Ts = 5*(360/Wz)/length(x);
-```
-
-```matlab
-%% Frequency Analysis
-Nfft = floor(10.0/Ts);
-win = hanning(Nfft);
-Noverlap = floor(Nfft/2);
-
-[pxx_mb_x, f_mb] = pwelch(x, win, Noverlap, Nfft, 1/Ts);
-```
+Rotation at 60deg/s (10RPM).
 
 <a id="figure--fig:rotation-stage-rt100bs-asd-errors"></a>
 
diff --git a/static/ox-hugo/rotation_stage_rt100bs_asd_errors.png b/static/ox-hugo/rotation_stage_rt100bs_asd_errors.png
index 179bf6e..c5a09f3 100644
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diff --git a/static/ox-hugo/rotation_stage_rt100bs_cas_error.png b/static/ox-hugo/rotation_stage_rt100bs_cas_error.png
index 6aad27e..9f83189 100644
Binary files a/static/ox-hugo/rotation_stage_rt100bs_cas_error.png and b/static/ox-hugo/rotation_stage_rt100bs_cas_error.png differ