Suggestions for a 3 blade prop?

[d.a.v.e]

Some of the fast guys I run with I see are running 3 blade props on their SV27's. Wondering if I should be doing the same on this boat and what might be a good fit?

Got my Impulse out for the first time today. I'm not sure my GPS is working so I did not bother with it but based on the speeds I get from my Geico (43mph) this boat felt pretty slow. Maybe because the water was like glass & the boat does not bounce like the Gecio? I'm not sure why the my Impulse came with a X642, I also got a X445 with the boat but have yet to try it. The 642 seemed to push the stock electronics pretty well. I forgot my temp gun but things felt pretty good and my Eagle Tree showed it was pulling in the range of 60amps most the time bouncing up to 70 or so in the turns?

[SFC K]

I running the M445 prop on mine and it is pretty fast. Not sure what the actual speed is but fast enough for me. I would be curious too on a three blade prop for the Impulse. I have not found anything here yet or online.

[d.a.v.e]

I just bought a M445, I'll give it a try today. Wish my GPS was working..

[Stephavee]

Mine is running a m445 with 5000mAh 30c lipo @ 37mph on a garmin Etrex gps "kinda heavy"! not fast but man can it cut a turn!!!!

[dana]

The obvious choice would be x440/3 or grim 40/52/3 which are close in comparison

[roadrashracing]

when I ran three blade on my proboats it seemed like it took a lot more to get them onto plane

[dana]

when I ran three blade on my proboats it seemed like it took a lot more to get them onto plane

Yes that's sounds rite. 3 blades are faster overall but slow to get up. They also draw more amps, but doesn't a v style hull handle much nicer with a 3 blade? Less torque effect and a smoother ride. IMO

[Stephavee]

Yes that's sounds rite. 3 blades are faster overall but slow to get up. They also draw more amps, but doesn't a v style hull handle much nicer with a 3 blade? Less torque effect and a smoother ride. IMO

The IM31 has that offset prop shaft so torque roll is at a min. If you ran a three blade on a stock IM31 V1 with 4s would it be too much for the esc? For you guys that have deeper pockets than i do get some 3blade props and gps your speed...You all got me thinking about a new prop now!

[dana]

You'll be ok. Even tho it's 3 blades and will draw more amps than its 2 blade equivalent, it is most likely still less amps than an m445.

[dana]

Most people say that 3 blades are slower top end and faster out of the hole, I've found the opposite.

[Stephavee]

Mine is running a m445 with 5000mAh 30c lipo @ 37mph on a garmin Etrex gps "kinda heavy"! not fast but man can it cut a turn!!!!

I take that back she did 38.6mph. I looked at the video again and saw i was shorting myself. Also would those 3blade props give me a higher top speed than what im running? I will say i dont race, and kinda like how fast it takes off with the m445. I also tryed a m545 but it just alittle to much for my stock setup.

[d.a.v.e]

I'll try the 440 if Kentec has it in stock as I'm ordering some stuff today.

I tried out the M445 this weekend and it got the boat more toward the speeds I was expecting. Still don't have a working GPS but Eagle Tree tells me its pulling pretty consistently in the 70amp+ range and my connectors (EC5's) were coming back pretty warm.

[nickB722]

I'll try the 440 if Kentec has it in stock as I'm ordering some stuff today.

I tried out the M445 this weekend and it got the boat more toward the speeds I was expecting. Still don't have a working GPS but Eagle Tree tells me its pulling pretty consistently in the 70amp+ range and my connectors (EC5's) were coming back pretty warm.

Let us know how it works Dave, I'd love to give it a shot at some point in the future if you have decent results!

[SFC K]

I ran mine last weekend and it ran pretty well with the M445. Motor and ESC temps were just over 100 degrees once I got the hatch off. I'm still running the stock conncetors though and they were pretty warm.

I was running with my friend and he had his custom hand made Air boats running side by side with mine. he has GPSed his at 33-34 MPH consistently and my impulse would pass it rather quickly. I'm estimating mine was doing 40 and I have the dual rudder sytem on mine.

Here is the video.

http://youtu.be/5NkYbFVraZQ

[Stephavee]

Cool video! looks like from the video your faster than mine at 38.5mph...i know looks can be deceiving but i would bet money on it! Is that a three blade prop?