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Old 04-27-2012, 11:04 AM
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Lil Giants Lil Giants is offline
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Default Re: Volvo EC300D

3300kv x 12v / 11 = 3600rpm ..is that how it goes?

A 12v battery would be 13.5v, there abouts with a full charge = 4050rpm

5/32 is about 4mm, which may likely be 2.5mm ID.. virtually the same as I have.. but your hyds movement is so much slower.

I run on 4s lipo... 600kv x 16.8v / 2.5 reduction = 4032rpm

I'm at approx 24-26 bar. (manual suggested not to exceed 25bar)

I watched a vid of my 850 from last summer when I just got it running, the movement is noticably slower than it is today.. it must be just the way I tweaked the radio settings, can't think offhand what other variable there might be.

You could set your gear channel to be 20% to 50% when "on" and the Mix will boost it to maxium speed with 2 hyd channel movements.

I don't know, maybe I'm talking out of turn here and you don't want it different than it currently is.. ?
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Old 04-27-2012, 12:46 PM
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Default Re: Volvo EC300D

It is a little slower than I would like thats for sure but to honest I'm just happy to have it working at this point. I'm not sure what size pistons are in the Vario machines but these are 5/8 so when you open three valves at once it takes a lot of oil to fill all four cylinders. I figure with my KV, voltage, motor efficiency and power loss through the reduction it's turning less than 3K but I don't have a tach so.... I believe a bigger pump would have been better but I haven't experimented with different oils yet either. At present I'm running hydraulic oil which may be too thick? I've read that some guys use ATF but I've only tried that in the pump my father inlaw built so I don't know if it would improve my speed or not. I have the mixing set up now to be about 70% with one fuction and 100% with two or more.

Thanks for the input Joe, you have more experience running this stuff than anyone else(probably in the world) so it is interesting to hear your set ups.

Reg
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