Prop Testing - Twin F300's

Submariner

Channel Surfing
Joined
Feb 2, 2020
Messages
1,527
Location
Everett, WA
Website
www.letsgochannelsurfing.com
Fluid Motion Model
R-27 (Outboard)
Hull Identification Number
FMLT2702C021
Non-Fluid Motion Model
https://tinyurl.com/yrv84xdm
Vessel Name
Channel Surfing
MMSI Number
368187810
Has anyone tried the Channel Surfing edition PowerTech props on twin-engine setups for Cutwater or Solara boats?

My experience:
I recently worked with Reel Salty Bliss on prop testing his Solara S-310-SB with twin Yamaha F300s. From what I understand, that hull is basically the same as the Cutwater C-288. I also know @Rocky Lou ran the same prop setup on his Cutwater 302 and saw similar results.

The numbers are pretty impressive—about a 20% bump in fuel efficiency. Even better, these props really open up the mid-range, so you can cruise slower without falling off plane. That’s a huge win for those choppy afternoons when you want a smoother ride.

My Ranger Tug R27 with a single F300 and the newer model R27's with the F350, as well as the R25 all work well with the SCE style (semi-cleaver), 5 blades.
The Cutwater and Solara boats with twin engines appear to prefer the OFS style (offshore), 5 blades.
According to PowerTech, both the SCE and OFS blade geometries were specifically engineered to provide stern lift.

PowerTech has officially started manufacturing and shipping the Channel Surfing Edition props in both SCE and OFS styles. These props are now produced as a single, all-stainless unit for maximum strength and performance. As a special touch, they’re engraving each one with “Channel Surfing” to recognize the work I’ve done helping them test and validate their design for improved stern lift.

Cutting Through Currents on our Ranger Tug R27 - PowerTech

PowerTech SCE5, 16 pitch, Channel Surfing Edition on a Solara S-310-SB with twin F300's.
S-310-SB 5 Blade 1st Run.png


Yamaha Saltwater Series II, 15.25", 18 pitch, factory prop on a Solara S-310-SB with twin F300's.
S-310-SB 3 Blade 2nd Run.png


This has got to be one of the best pic's I've seen all year!! (Twin F300's, with OFS5-16 Channel Surfing Edition prop's installed).
IMG_6149.jpeg
 
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