Is use of "has" in the following sentences correct grammatically and conceptually? If it is not , kindly suggest ways to make it clearer.

In fact, this above explanation shows disadvantages of constant thickness blades. Meanwhile, it is possible that a variable thickness blade has lower performance than to constant thickness blade because a thin and variable thickness blade can be had low blade loading.


The use of "has" is grammatical because it agrees with its singular subject blade. However, the use of "to" after "than" is unnecessary.

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