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ContinuousWave: Post-Classic Whalers
Jet Drive Performance
|Author||Topic: Jet Drive Performance|
|63 Whaler 13||
posted 07-16-2005 03:53 PM ET (US)
Rage 1995 15' with 115HP Jet Drive Can some one tell me the efficiency of a jet drive versus a standard out board?
posted 07-16-2005 04:20 PM ET (US)
You loose about 40-50% of the power.
posted 07-18-2005 11:06 PM ET (US)
I own a 15' Rage (115Hp), and a 15' Sport (70Hp Johnson outboard). The Rage tops out at 34MPH, the Sport tops out at 44MPH.
With the "high performance" kit for the Rage, it should add 2-4mph to top speed (kit includes a different nozzle, a loader style intake grate and other assorted pieces). That being said, an optimized Rage with 115Hp might do 37-38MPH.
The Rage weighs 1200lbs (including engine and controls). The Sport weighs 550lbs (hull) + 250lbs (engine) + 100lbs (controls, fuel tanks, battery, etc) = 900lbs total.
Thus, the numbers Splets has quoted are roughly accurate for this comparison. A true comparison would put the Rage head to head with a 15' Dauntless, but I don't own one of those, or know how fast one will run with a particular engine.
posted 07-24-2005 10:28 AM ET (US)
Saw your post about the top speed of your rage.
With the standard prop it reaches 65 kilometers an hour.
posted 07-24-2005 08:14 PM ET (US)
For those of us metrics challenged, 65 KPH=40.6 MPH. ;>)
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