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Stewartby Powerboat Testing 2021 - Formula 2, Formula 4 & Monohull 

Ryan Prewer
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19 июл 2021

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Комментарии : 21   
@Wheels-Wheels-Wheels
@Wheels-Wheels-Wheels Год назад
Great footage and camera work. Great to find a powerboat video not ruined by music being dubbed over the wonderful sounds produced by the engines.
@CozyRC
@CozyRC 2 года назад
Great camera angles of these beautiful F1 race boats!
@kyzor-sosay6087
@kyzor-sosay6087 2 года назад
Fantastic video.Looking forward to the next one.
@marktucker208
@marktucker208 Год назад
Wow how cool are these things, never seen them looking so much like F1 cars
@mjodr
@mjodr 2 года назад
I like how when they are trimmed all the way up at top speed they aren't exactly going straight because so little is touching the water. Usually nobody holds the camera this low to the water. Looks cool.
@glennoropeza3545
@glennoropeza3545 Год назад
Good to know that 2 strokers still reigns in this sport! As for Offshore powerboats? No more! The giant 4 strokes are lapping the old school 2 strokers!
@ct1762
@ct1762 7 месяцев назад
pound for pound, liter for liter 2 strokes will always rule though. sure some giant 5 liter v8 will walk on a v6 2 stroke
@gaycha6589
@gaycha6589 Год назад
Do these guys use F1 car aero thinking in their designs. Apart from the drag of water and lift, there would seem to be many parallels
@30pitchcleaver
@30pitchcleaver Год назад
#19 & #30 - The Fug'ly Brothers.
@chadgaspard
@chadgaspard 10 месяцев назад
How do you like the BaBa boat?
@raymondbrucecharlie2566
@raymondbrucecharlie2566 Год назад
👋👋😄👍👍👍👍
@andrekemp5059
@andrekemp5059 2 года назад
Jes that will happen when you get to cocky with triming up a little to high and the flight is on the peak and the a hard left turn. Was trimming down to late need to us the engine thrust to trim in faster before turn. Tapping aff is not helping at all it feels like decelerating but actually is happening the propeller is draging and bracking, thrusting up the sturn and the hull is lifting before turn! And the turn the steering the the hull bights hard and the sturn brakes away and swings around. Hit head real hard right left right and it rips steering out of hands engine weight! Best is foot flat out to the corner trim down hull will bounce 1st 2nd only after 2nd the turn flat foot still half in the turn start lining up Apex line trim out and hold trim button till hull jumps out and head up in air stop trim fly out of corner tap tap trim down down as the speed increase til hull bounce once the tap 1 up trim! That is tunnel hull sweet spot high speed flighty safly. If you get cocky to trim 2nd up in speed that is blue sky water hit and swimming!
@mannymoejack8181
@mannymoejack8181 2 года назад
are they 2 stroke or 4 stroke engines? it's actually hard for this old dog to tell.
@Ryan_Prewer
@Ryan_Prewer 2 года назад
The f2 boats #30 and #19, as well as the mono #49, are 2 stroke. The f4 boats #42 and #73 are 4 stroke.
@andrekemp5059
@andrekemp5059 2 года назад
2 stroke screamer. 2000cc V 6 280-330hp depend of weather or altitude REV limited 9250rpm but can rev up to 12000rpm but is risky for pistons lifetime gets less because of the hot exhaust port the 2 thin rings get stuck of aluminum deform. Piston speed may not exceed 25m per second. 4 blade propeller cleaver, semi cleaver Bullet point gearbox with cooling water pickup in front bottom.
@christianpresas780
@christianpresas780 2 года назад
@@andrekemp5059 The OptiMax 200XS SST is a 2507 cc, Propshaft Rated HP 200 (149kW) Peak Horespower @ RPM 8000.
@Wheels-Wheels-Wheels
@Wheels-Wheels-Wheels Год назад
@@andrekemp5059 For me, these V6 two strokes are amongst the best engine sounds ever. So musical.
@glennoropeza3545
@glennoropeza3545 Год назад
​@@Wheels-Wheels-Wheels Yes
@user-ux6dq1on5q
@user-ux6dq1on5q 5 месяцев назад
cant trim out of turn go back to hering do resarch best boat ever but would come apart
@glennoropeza3545
@glennoropeza3545 Год назад
These boats still use cable steering system -No hydraulics!
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