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Draft is part of the reason but not all. The other reason you're getting more speed is theLiFePO4 is higher rest voltage and has less voltage drop under load. The graph below is for 48V, but it looks the same for 12, 24 or whatever, just at different scale. Higher voltage = higher speed...

I will when I get it out in the sun next. He bought it new with trailer for $319 ($60 off!) I have the Lund brochure where he did the math figuring cash price vs payments. For some reason it was painted blue instead of the standard Lund red of the time. The old man lost his leg to peripheral...

Finally got out again in my boat and here are the promised numbers. It was dead calm. Battery (100Ah Amped Outdoors) had about 85% charge. Motor (12v Terrova) is on a 14 foot Lund C-14 from 1966. Boat has only a 55" beam unlike the newer 14 footers. I was seated in the rear seat which is a bit...

I'm also retired. But my fishing buddy isn't, and when he's not around I spend more of my time driving 200 miles to wheel my one-legged dad onto my brother's pontoon to kill minnows.

I won't be on the water again for a couple weeks, but I will run the test and post it when I am.

I've been using a 100Ah Amped Outdoors LiFePo4 to run my 12V Terrova for two years. I have a SmartShunt attached so I can monitor current draw and capacity real time. At full throttle it draws about 38 Amps and pulls my ancient 14ft Lund at 3.2-3.6 mph. At a mile an hour it pulls about 3 amps...

I'm guessing not, given the second example MBullen posted ends in 22 but is only 9 digits. The last two digits are the year of manufacture for modern HIN codes. You know that since it's a Canadian HIN and only 9 digits that it's pre 1982.

Hey, that looks better than my attempt! So doing some more digging it looks like there was an Aluminum Goods company in both CA and US, and they were different companies. In Canada they were a division of Alcan and in the US they became Mirro Aluminum.

BTW, this is the 1997 Lund Laker from the Lund 1997 catalog.

There's a lot weird about that tag (maybe age and not used to CA tags?) starting with the 9 digit HIN. I think 12 digit was standardized in 72, but I've also seen mid 80s for a date 1) Going back to the early 60s, Lund never made an aluminum boat with false strakes stamped in the aluminum. So...

Right! Yes yes yes!

B and C are correct as stated. For A, I was saying that for best life, you're better off at less than full charge but what level doesn't really matter as long as it's above about 40% and below 85%. If you know you aren't depleting it it's fine (best!) to store without charging. For instance...

About 15 years ago I worked on a medical device powered by lithium batteries, so I had to deep dive into the technology as part of product design and regulatory approval. The charging information of different cells was, as Ray Clark says, all over the place, but storage at full charge was never...

If you have a little extra money, something like the Victron Smart Shunt can be very helpful to monitor battery SOC. I bought a cheap version a couple years ago but it wasn't waterproof and failed on a rainy day. I suppose I could have sealed it but I was dumb. The Smart Shunt IP65 is...

As Still Afloat says, a good Li battery is well worth the money, especially if you're using it a lot. All the benefits touted are real. I have a 100Ah one for trolling and love it. I'd add that some of the cheaper are made with "seconds" cells that will not have the cycle life of the best...

I've got a 1966 Lund c14 fisherman that I put a Tohatsu 9.8 on last year. Can get just over 17mph in ideal conditions. I went with 9.8 because I needed electric start and the 9.9 with electric start was heavier. I spent a few months scouring local sales for an old 2-stroke with e-start but got...

I built a lot of rods in my youth (40-50 years ago.) Never converted one. But some info from building might be helpful. Old rods with thread wrapped guides sealed with varnish should be pretty easy to convert but the newer ones with epoxy attached guides might be a real bear to remove down to...

Just similar experience: I have my dad's old 14' Lund C-14 Fisherman from 1966. 55" beam, 49" width at transom. 15" transom height rising to 22" amidships and 27 at the bow. 10HP 4 stroke (originally rated for 25hp, which is stupid in my opinion--although a kids we skied behind it with a 25hp...