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The gravimetric warp drive was a homemade device that Ratchet built from Blargian scrap metal. It allowed one to travel through space at incredible speeds, even allowing one to jump between galaxies. When Ratchet returned to Solana in the Star Explorer to save Veldin, Clank was concerned because the device had not been properly tested. However, it warped the duo through Solana Galaxy and to Veldin in one piece.

Ratchet with warpdrive

Ratchet inserting the warp drive in place

While Ratchet was in the Breegus system, he came across to a Vullard whose gravimetric warp drive was broken. He could use his Ship Tether to throw components to the Vullard so that he could fix it.