What a great looking board. Execution is top notch.
VESC based?
Wonder if us DIY peeps can buy the batteries and build around them…
What a great looking board. Execution is top notch.
VESC based?
Wonder if us DIY peeps can buy the batteries and build around them…
I made it! I had an amazing time. It was good to meet everyone and put faces to esk8 aliases. It was a big group ride today. So many cool boards Kalys, La Croix, Raptor, Hoyt, DIY boards. Also, One wheels, unicycles, boosted, halo etc. my 12s4p TB battery pack got tested and was able to stick around the whole time without bringing a charger.
The Hoyt board is just as nice in real person. I am really impressed with the battery modules and with @Jonner downhill form and Coleman slide in the middle of the street. Savage.
Half the group here esk8 mob
Damn I wish I was there! I was rushing to the bart station, took a nasty spill and I now have road rash along my arm and my stomach… fucking potholes lol
Damn man, that sucks. SF city roads are shit. Hope you get better.
That’s me rolling with the hummies. Got a chance to try the Hoyt St today. It’s vesc4.x based with dual high quality motors made in the states. Kelvar reinforced stator with Japanese bearing. I heard the motors cost more than $300 each and min order quantity of 1000.
From the 5 mins I rided it. Here’s what I feel: Pros:
Cons:
Overall it is a great deck. The quality of construction is really well built. A lot of very cool and innovative designs. Double deck, pulley cover, string loaded tensioner, etc.
It was a good day! Great ride with great people Bay Sk8 all day
How o the batteries work?
Do 3 of them connect in parallel? and make one big battery?
or you use them one at a time?
A video would be nice.
thankyou
The board carry (3) three individual 10s1p battery modules for a combined battery total of 10s3p using 25R cells.
how do the batteries hold to the deck?
I like the wood enclosure a lot.
Yeah, the wood enclosure is conformal. They created that enclosure with a wood bending technique, probably vacuum formed or steam. Really light, thin, but stiff, like a wooden shell. The battery modules are built around some sort of quality plastic each and come with a set of lights. You attach them to the board thru this male pin connector that lays there on the underbelly (you can see the connector over the missing battery module empty space, below where the puck remote is)…
Y’all might be very very interested in the motors
To clarify, the battery modules are CNC’d aluminum housing and each contains its own BMS. If the batteries ever get out of balance you can plug them individually into the rail system and charge them separately. Each battery is 10s1p 25R. They’re looking at 30q units for people who don’t fly much.
Lots of other information I have from my discussions with them. I’ll write it up when I get back home!
Aluminum! … hummm… .I thought the housing was made of plastic.
Ok so there are a few things I can’t disclose publicly, so I’ll do my best with what I can disclose.
Regarding the motors, I can’t disclose their supplier, but they’re based in the US, have been making super high quality motors since forever (just not for eskate, until now). From personal testing and research knowing the supplier, I can say that if the motors they’re making for Hoyt St. continue their usual quality, then they are likely one of the highest quality motors you can get for eskate right now, which is a bold claim to be sure. They sure are expensive, and of course much much more testing should be done and at least one of them should be sacrificed for a scientific teardown, but they’re very nice so far. BTW the previous $300 claim is from when @Aeroquiv and I were discussing how much they might cost, and is not legitimate info from Hoyt. They likely cost upwards of $200 though
As an aside, I tested my set, and they tested 176kv. only 4kv off their 180kv claim. They are supposed to be able to handle around 150A continuous when extrapolating from the supplier’s data on their other motors. As an anecdotal benchmark, these Hoyt 5653s feel twice as strong as my SK8 6354.
Like I said before, each 10s1p is enclosed in an aluminum case containing an independent bms and voltmeter. They have two recessed female contacts that you press onto two exposed male contacts on the power rail for each battery. It’s a really elegant system. They’re 25Rs, and you can balance charge each parallel individually.
They’re running vesc 4.12s on BLDC. It seems to be standard vesc hardware, but they moved the positioning of the shunts to the side vs. the old position on the top. No otherwise upgraded components. They went for reliability which is why they chose BLDC. The settings on their demo boards were quite low, which is why we advised them to turn them up for the highest speed mode, especially braking power. I’m told by Hoyt that their supplier is a “high quality esc supplier”. They would not disclose their vesc supplier to me.
Here’s a pic where you can clearly see their antispark
As for the remote, in my opinion the ergonomics are not that big of a deal. I have small hands and besides it being a bit fat like an ice cream sandwich, I like it.
Yo, do those motors makers would consider making motors for DIY guys too? I am curious how they would hold abuse with high currents and heat…
Also I am bit curious who is making 3 phase brushless permanent magnet motors that size outside China because so far I haven’t found anyone making hobby size motors apart big size motors.
Afaik Hoyt only got the deal because Edwin is a close friend of somebody high up at the supplier. We’ve certainly been talking about running a group buy for these motors and have asked Hoyt to put in a good word for us, but the MOQ is 1000 and the motors are expensive, which means at least $200k upfront cost if we wanted to group buy… A tall order for as of yet largely untested motors…
BTW I edited my OP to include the continuous current it’s supposed to handle. I’m not too sure on the figure because it’s extrapolated from the supplier’s other data; somebody needs to fully test it
150 amps continuous!!!(at the North Pole maybe)
Their epoxy or at least the copper windings are rated to 240 C continuous if that means anything…