【film No.339】タミヤの車は青い面積が増えるとかっこいい!でも速くなるかどうかは別問題です。比較走行を行ってみました。 It looks better more blue on tamiya chassis for sure! But it's a different matter handsome looking and lap speed. Let's Verify it.
Nevertheless, something nor option may have more advantage than full option in the small course area. Your video is useful, especially for some R/C beginners to avoid blind to purchase OP for modification, and illustrate what OP is help for improving the car performance in somehow and somewhere. Help people know what things should need to be fulfilled and improved their control skill. 👍🏻