Volume 3 - Chapter 7 – Launching Cygnus (1/2)

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「Hm? What are these?」

Marcia tilted her neck as the parts were not in the least like an oar. Jin,

「Well you’ll see. Reiko, help me assemble this.」

「Yes.」

Jin asked Reiko to hold the heavy parts while he attached them on the catamaran. Before long, it was completed.

「It’s done now! Let’s test it and take a look at the balance.」

It was attached to the rear of the catamaran’s central hull.

There was a turbine at the rear, and attached on the sides of the turbine were wheels. The wheels had a V groove in them and had a flexible belt attached.

The belt was connected to another wheel.

Another wheel had an L shaped rod protruding out from either side, slightly behind that was a seat and slightly in front of that was a handle.

You might already know it by now, but Jin had made a propulsion device that uses bicycle pedals to rotate the turbines. It was often a tourist attraction at ponds and lakes.

But having seen it for the first time, Marcia,

「How can this move forward?」

She was worried.

「Proof before theory, well try it out first.」

So, with the Golem Arrow’s help, we moved the boat to the sea. And,

「Well then, since I’ll be steering, Reiko, please do the pedalling.」

「Eh? Is that okay?」

Marcia was still worried, but Jin laughed,

「Yeah. Just leave it to me.」

「Oto……Onii-sama, I’m ready.」

「Okay, let’s go. We’ll take it slowly first.」

「Okay.」

Reiko stepped on the pedals. The turbine started to rotate, scooping the water to the rear. The boat started proceeding ahead with the recoil.

「Ooh! It moved!」

The boat then exited the swimming area and gradually picked up speed.

「Yep, this is quite alright.」

「Otou-sama, do you want to go faster?」

「No, this much is fine. Reiko, how much is your Ether Converter outputting right now?」

「Yes, it’s approximately 5%.」

「The efficiency is worse than I thought. Maybe we should change the shape of the turbine.」

Jin then sat in the cockpit and used 《Forming》. If there’s physical contact he can still use it at a distance of 3 metres. However, the efficiency drops inversely proportional to the distance.

「Oh, looks like it’s good this time.」

After fine tuning it several times, the speed had increased by about 30% compared to the first time.

「Alright, let’s return for now.」

Jin did a U-turn and returned to the dock. Marcia greeted them with a joyful smile.

「Jin! That’s was amazing! You’re a genius!」

Not restraining any of her praise, Jin was a little shy while Reiko was proud.

「It’ll be complete after adding one more thing.」

「It’s still missing something?」

Marcia asked for what Jin meant.

「Yeah. Since the turbine will spray water everywhere, we’ll want to attach a cover to defend against that.」

When the turbine rotates at high speeds, the centrifugal force would cause water to spray everywhere. Reiko and Jin’s backs had also been soaked wet.

「This goes likes this. 《Forming》. Okay, it’s done.」

「Then can I also give it a ride?」

Seeing Marcia who was itching to have a ride, Jin wryly smiled,

「Sure. But before that, the owner, Marcia, should give the boat a name.」