Test with Polini Thor engine

ekranoplan photo 2

Polini Thor 250. This engine is what I need! I finally tried it out today. The propeller that I ordered a month ago came and this morning I tied the ekranoplan to the boxes at the entrance to the hangar where I work and started the engine. On the model, I already tested the method of binding the ekranoplan, so I knew how and in what places to bind it so that it could stand symmetrically in the air stream. In short, everything worked out for me. The boat flew up and stayed in the air while I held full throttle. I think that on the water I will give full throttle and immediately jump out of the water, and as the speed increases, I will slow down the throttle and get the right flight. I would very much like the rear wing to work correctly and the flight would turn out to be horizontally even, and not with a raised nose. The model flew smoothly and so far everything worked out just like on the model, so there is no reason to worry about the fact that the full-size device will carry itself any differently. It remains to wait for the weather and go to the water. Video from the tests below.

Airboat. The second test on the water

IMG-20200714-WA0013

So, briefly about the last test of the ekranoplan. The alteration turned out to be correct and the engine began to blow at the correct angle under the wing, which resulted in sufficient lift. In reality, if there were a dozen more horsepower in stock, or better, twenty, then the boat, like the model, would take off like a bullet and fly forward ten centimetres from the water. It’s amazing how a large boat, modeled after a small model, behaves the same way. We need more motor. There was a desire to put back the little motor I had left to add power, but I don’t know yet. The motor is very unreliable, and coming to the test is a whole test. You need to adjust the weather, you need to come to an agreement with a Friend who has a house on the shore of the lake within the city of Riga so easy to drive up to the water. You need to beg for a minibus at work and so that on a working day, because on weekends the lake is full of fishermen and in our business it is a hindrance and you need to have the time and energy to carry and assemble the boat from parts. And when things go wrong, it’s incredibly demoralizing. This summer I made only 4 trips to the water and was so exhausted with all the hassle that I decided to take a break before the time. As for the ekranoplan, a lot became clear to me, I know what work needs to be done. Silence about boats. We need a new propeller for the motor to accelerate the boat faster. I also think to put an ordinary 6 horsepower outboard motor on one of the boats and try to overclock it. And in the off-season, in addition to the modifications of the ekranoplan, I decided to build a new boat. Just taking a ride on the airboat with a motor in front, I experienced the unforgettable sensation of feeling like a fighter pilot and decided to make a more elegant boat based on this model. I have an old book from 1961 called boating. and there is a drawing of a sharp-nosed light planing boat and taking it as a basis as a base so as not to invent anything I will build an aero boat with a motor in front with a beautiful closed cockpit like on seaplanes of the Schneider trophy era. I use the engine that is on the ekranoplan and for the ekranoplan I hope to get hold of something more powerful. Photos and video of ekranoplan tests below and preliminary drawings of the next boat are also in the bargain.

 

IMG-20200714-WA0003 test 150 test 163 test 161 test 158 test 149