Update 01_AccessoryForTank.rst

source/Robotics/01_AccessoryForTank.rst

@@ -9,7 +9,7 @@ In this part, we will provide some assembling document, examples video, source c
 Track/Caterpillar/Pedrail for Tank car chassis
 -------------------------
 
-Caterpillar TC-09
+About Stripping
 ^^^^^^^^^^^
 
 This caterpillar is generally used for the assembling tank, which is connected one by one. So, we can change the length for the caterpillar for our requirment, as shown in the following picture.
@@ -19,22 +19,50 @@ This caterpillar is generally used for the assembling tank, which is connected o
     :alt: Stripping the carterpillar
     :figclass: align-center
 
-    Stripping the carterpillar
+     Stripping the carterpillar
 
  Also, we can watch the vido to know the stripping caterpillar: `Stripping the caterpillar <http://v.youku.com/v_show/id_XMTg4NzYyMzY4NA==.html?spm=a2hzp.8253869.0.0>`_
-
- How to order
-
+
+In fact, we have the following two types of caterpillar: TC-09 AND TC-03.
+
+Caterpillar TC-09
+^^^^^^^^^^^
+The caterpillar TC-09 can be seen as following picture.
+
+  .. figure:: ../_static/tc09.jpg
+    :align: center
+    :alt: Caterpillar TC-09
+    :figclass: align-center
+
+    Caterpillar TC-09
+
+How to order
+
  Now, we have the following two types of caterpillar: metal and plastic one. As for the assembling, they are no difference, just excluding the materials: one is plastic, and another is metal. But metal caterpillar looks very cool. If you want to order, please move to this links: 
 
  * `Plastic caterpillar <http://vvdoit.com/original-doit-2pcspair-plastic-caterpillar-chain-track-pedrail-thread-tracker-wheel-for-tank-chassis-diy-rc-toy-remote-control-p779205.html>`_ 
  * `Metal caterpillar <http://vvdoit.com/original-doit-caterpillar-chain-track-wheel-for-robot-model-crawler-obstacle-surmounting-with-high-torque-motors-and-hall-sensor-p834293.html>`_ 
 
 Caterpillar TC-03
 ^^^^^^^^^^^ 
+
+The caterpillar TC-03 can be seen as following picture.
+
+  .. figure:: ../_static/tc03.jpg
+    :align: center
+    :alt: Caterpillar TC-03
+    :figclass: align-center
+
+    Caterpillar TC-03
+
+The order link: `Plastic caterpillar <http://vvdoit.com/original-doit-shock-absorption-plastic-track-for-robot-tank-car-chassis-caterpillar-crawler-conveyor-belt-diy-smart-chain-wheel-p779512.html>`_
 
-
-
+ .. Note::
+ * The standard length for the two types of caterpillar TC-09 AND TC-03, and their size are the same show as follows.
+   80cm*4.5cm (length*width);
+ * The stripping ways for the caterpillar are the same;
+ * The difference for TC-09 AND TC-03 is for the middle. For TC-03 has two small holes, while TC-09 JUST has one small holes;
+ * The assembling is the same.