The afterburner really only uses 3 cells. The balance connector is for up to a 6S but if you trim off the end you can put it on your 8S balance connector.
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Official Freewing Zeus 90mm EDF Sport Jet Thread
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He's using a 8S battery, not two 4S in series.
Powerhobby 8S 29.6V 5200mah 50c Lipo Battery w XT90 Plug
Using a single 8 cell 5200 50C from Powerhobby does just fine. Three-minute flights with go around time if needed no problem. Kind of a bummer after burner from Freewing is set up for 6 cell and not 8 cell?
Originally posted by tclaridge View PostSo cant you just connect a balance plug from one of the 4S lipos?
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Just adding my 2 cents. This is a really fun performance aircraft IMHO. Flies a bit heavier on the wing than some foamies… she flies like a turbine jet. This is not a bad thing, as she’s solid and fast on the stock 8 cell setup. I think the 8s setup is using the strength of the airframe to good effect for “go fast” pilots. Speeding downhill with full thrust, and she will pick up speed well - way above level flight speed. Unlike the Avanti or some scale birds that have a relatively lower “top speed” limited by airframe drag… this one will slip along quite quickly compared to max level flight speed. I really dig this jet!
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Same answer as the other site. "We get that question a couple times a week. Go for it."
Originally posted by Tomling31 View PostHi everyone. Has anyone tried the stock 8s motor on 9S?
I ran the fms 1500KV unit on 9S with great results so would be looking to put that fan unit in, but curious is anyone and tried 9S with the stock unit and an upgraded ESC?
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What ESC are you thinking and what battery configuration/ brand/ size? A lot of people ask this question and you never hear back from them for whatever reason. Most just go 10S or 12S as they are already doing the ESC (with a better fan such as Jetfan) and 9S is odd to find a battery combination to do.
But quite a few have been successful doing 8S on a 6S fan, specifically the Eflite 70mm F-16.
It would be interesting to hear how it goes.
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I will happily let you know the results, I used a HW 160 esc on the viper jet and Hrb 6000 6/3S in my viper jet, the thrust was fantastic and sounded great, the stock zeus motor has a slightly lower motor KV so I don't think that would be an issue, but the FMS unit is metal so much better at dissipating the heat. it will be an interesting experiment. I need to get one first and see what size packs I can fit in and then go from there. Tho at the other end of the line just a decent jetfan unit or another schubler unit on 8s would be good fun.
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