RC Jets Discuss RC jets in this forum plus rc turbines and ducted fan power systems

New JetCat P220Rxi

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Old 04-27-2016, 03:45 PM
  #51
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Quote:
Originally Posted by Zeeb View Post
Didn't see an answer to this question so I'll mention that LiPo's are indeed not fond of being left fully charged depending on the specific type of battery. A123/LiFe batteries are quite content to be left at a full charge with a virtually zero self discharge rate.
Thanks Zeeb
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Old 04-28-2016, 12:10 AM
  #52
Dave Wilshere
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The 220 charge system is like this if you are using the BMS system (this is not std on the 220)

From new, charge the ECU battery and the Powerbox Rx batteries.
Start, run fly. Once the turbine is running the generator will charge the ECU pack back up. When you land, the ECU pack will charge the Rx packs back up to full. The Li-Fe ECU pack is then not fully charged...

The system is so efficient on the Brushless starter/pump the turbine starts and runs on a discharged pack.

Its genius and game changing.

Last edited by Dave Wilshere; 04-28-2016 at 10:44 PM. Reason: it was wrong :-)
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Old 04-28-2016, 07:58 AM
  #53
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How much is the BMS Dave?? Looks a great idea but I think I'd have to keep testing the packs at first to be sure it was all working to gain confidence in the setup!
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Old 04-28-2016, 08:19 AM
  #54
Dave Wilshere
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UK price is 94.99.

Most people will be using with a PB unit that shows voltage, so you can monitor Rx voltages.
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Old 04-28-2016, 02:37 PM
  #55
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Quote:
Originally Posted by Dave Wilshere View Post
The 220 charge system is like this if you are using the BMS system (this is not std on the 220)

From new, charge the ECU battery and the Powerbox Rx batteries.
Start, run fly. Once the turbine is running the generator will charge the ECU pack back up. When you land, the ECU pack will charge the Rx packs back up to full. The Li-Fe ECU pack is then not fully charged...

The system is so efficient on the Brushless starter/pump the turbine starts and runs on a depleted pack.

Its genius and game changing.
not depleted.... partially charged.
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Old 04-28-2016, 10:43 PM
  #56
Dave Wilshere
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not depleted.... partially charged.

Yep!, Should not post and not revisit when you are late for a meeting! Will edit.

Thanks
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Old 08-08-2016, 12:04 AM
  #57
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Hi all,

I have a 220RXi-B underway. Any news about how it performs?
Still no FOD to be provided? No fuzz to make one out of standard 80-180, but......

The BMS system is not following the engine. I believe there is an upgraded version?
It will be in my hand in time anyway. (Ordered a CARF UL with custom scheme.)

I will be happy for any update and information! :-)
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Old 08-08-2016, 02:45 AM
  #58
Dave Wilshere
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Staale

The latest FOD has three notches pre moulded on the inner ring, and a 6mm hole. You still have to open these (so it fits other JetCat's)

The update on the BMS is for wider battery choice, we have people using the V1 and it works perfectly.
I have around ten 220RXI-B's out in England running regularly. One in a CARF SG L-39 has transformed the model over the P-180Rxi fitted before.

Dave
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Old 08-08-2016, 10:50 AM
  #59
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As Dave said, just opened the 2 additional notches an new FOD fits fine.

Maidened yesterday my Rebel pro (reduced power to 200N). Just 2 flights, but engine worked perfectly in flight.
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Old 08-08-2016, 11:11 PM
  #60
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Quote:
Originally Posted by Dave Wilshere View Post
Staale

The latest FOD has three notches pre moulded on the inner ring, and a 6mm hole. You still have to open these (so it fits other JetCat's)

The update on the BMS is for wider battery choice, we have people using the V1 and it works perfectly.
I have around ten 220RXI-B's out in England running regularly. One in a CARF SG L-39 has transformed the model over the P-180Rxi fitted before.

Dave
Thanks Dave,

Really looking forward to my new engine!
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Old 08-29-2016, 12:12 AM
  #61
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Hi David, re the BMS for the 220rxi. i was just looking at the BMS manual and toying with putting one in...Can you run a jetcat smoke pump in line on the power bus? The diagram has the bms connected directly to the ecu....I have a 220, 2x PB batteries lipo , jet cat bty and a jetcat smoke pump on the way to Aus...I gather the bms in this case is not an option..or can you daisy chain the pump in there some how? thanks again for your help
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Old 08-29-2016, 12:16 AM
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Old 08-29-2016, 09:54 AM
  #63
Dave Wilshere
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Had to check with JetCat...

Yes, the BMS and Smoke Pump can be used simultaneously on the P220RXi.
First the smoke pump must be connected to the ECU and the BMS to the free connector of the smoke pump.
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Old 08-29-2016, 06:15 PM
  #64
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big thanks Dave. I will share if I have any issues.
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Old 06-20-2017, 05:30 AM
  #65
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Which batteries are people running on their receiver packs with the BMS? Is PowerBox still the best/only option?

Is it possible to recharge an electric retract battery as well?

I'm looking into buying a 220 in the near future and can't find much info on batteries online.

Thanks,
Mark
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Old 06-20-2017, 05:55 AM
  #66
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Mark

As standard the BMS charges the ECU pack, the battery BMS for Rx packs only works with the various PB batteries for now.
There is a charge limit of around 7A, if you can run your retracts from the same pack as the ECU it will charge it...but all the electric gear I have tried use a tiny amount of battery power anyway

Dave
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