View Full Version : Speed estimate
Basstronics
07-15-2012, 01:31 PM
I know its just a guess, but how fast do you think the rigger is going?
http://www.youtube.com/watch?v=V-fRKZI6h1k&feature=g-upl
I had fun realing in that hopped up SV27.
:help:
I need a GPS :(
Alexgar
07-15-2012, 01:47 PM
hard to say 45 maybe alittle faster
Make-a-Wake
07-15-2012, 01:51 PM
Do you know and this is simply a guess for fun? I think it's 52-55 mph.
Alexgar
07-15-2012, 01:54 PM
i was gonna say 50 but i was being conservative
Basstronics
07-15-2012, 02:32 PM
I was told with the setup and prop to expect 60-65.
Motor: Leopard LBP3650 3900Kv
ESC: Hobbywing 120A
Batteries: SkyLipo 4000ma 40C 3S
Prop: X632 by m4a1usr
Honestly I dont know, yet. Next Wednesday Im ordering that mini GPS from Hobbyking though and having it shipped EMS. So I will know for sure.
Ive GPS'ed my other boat at 43 before and this is faster than that for sure.
Basstronics
08-04-2012, 11:07 AM
Do you know and this is simply a guess for fun? I think it's 52-55 mph.
You win a cookie sir!
Today on less than perfect conditions it did a 55.9 mph.
I would assume on conditions as in the above video it would be closer to 60.
I tried an X432B back cut (X632 currently) and the speed went wayyyy down 46.6 mph.
http://www.youtube.com/watch?v=uaSwLAGCfBA
martin
08-04-2012, 12:27 PM
Yep the way i calc on an x632 i get 56.6mph.
Basstronics
08-04-2012, 12:30 PM
Sweet. One day I need to learn these calculations!
I would like to see if there is a sweeter prop out there... Hmmm
The 1.6 pitch vs the 1.4 was evident... As soon as it went in the water I got a bit out I could tell it was way slower.
TheShaughnessy
08-04-2012, 12:52 PM
you just use the speed calculator on OSE. Unless you want to know the actual formula the calculator uses.
martin
08-04-2012, 01:57 PM
You should be able to use a larger prop on the 3650 - 3900kv for more speed. I use that size prop x632 on a 15" mono with a little 3800kv 450 size outrunner ( 28mm can size ) on 3s 60c. Just check temps.
Basstronics
08-04-2012, 05:33 PM
What would you guys suggest prop wise?
Make-a-Wake
08-04-2012, 06:12 PM
You win a cookie sir!
Yeah!!!! I'll take fresh baked chocolate chip.................I'll pm my addy to ya!!:banana:
Make-a-Wake
08-04-2012, 06:14 PM
What would you guys suggest prop wise?
What about this??????????
http://www.offshoreelectrics.com/proddetail.php?prod=oct-1735
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