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Free Power Management Calculator — Updated for 2026
Six years ago I built a calculator to figure out how much power we actually consume on Channel Surfing. I used it to size our solar and house bank upgrade when I converted to LFP. I've been refining it ever since and sharing it with anyone who asks. It includes real Pacific Northwest solar production data as experienced by Channel Surfing, throughout the year, and an AGM vs LFP battery capacity comparison. Enter your daily usage (how long you'll watch TV, listen to the radio
The Captains Blog
3 days ago1 min read


Free Download: 6 Years of Real Ranger Tug Ownership Data
If you've ever tried to figure out what a Ranger Tug actually costs to own — not what the brochure says, not what the dealer estimates — you know how hard it is to find real numbers. We've been keeping them since June 2020. Every dollar spent on fuel, moorage, insurance, maintenance, and upgrades on our 2021 Ranger Tug R27 Outboard is documented. Six years. 12,949 statute miles. One boat. Real numbers. We've put it all into a free one-page guide and we're making it available
The Captains Blog
Mar 11 min read


Propeller Testing, 3 blade vs 4blade vs 5blade vs Sharrow
Prop testing results are in!
The Captains Blog
Dec 29, 20241 min read


The Seattle Boat Show - Feb 2-10, 2024!
The Seattle Boat Show opens Friday! We'll be at the Ranger Tug booth, Friday, Feb 2, from 6-8pm. We'll also be at the boat show the...
The Captains Blog
Jan 31, 20241 min read
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