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Old Apr 27, 2012, 04:37 PM
ltc
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United States, MA, Mendon
Joined Mar 2010
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Thank you.
If I understand correctly, assuming a 3 year design/release cycle, it should be another 2-2 1/2 yrs for your system to be commercially available.

Coud you possibly share how much of this time is designated for FCC/CE/ TUV and also for reliability/regression testing?

Very interesting project.
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Old Apr 27, 2012, 05:24 PM
↓↘→ + (punch)
theKM's Avatar
central PA.
Joined Sep 2004
20,187 Posts
Quote:
Originally Posted by ltc View Post
Thank you.
If I understand correctly, assuming a 3 year design/release cycle, it should be another 2-2 1/2 yrs for your system to be commercially available.

Coud you possibly share how much of this time is designated for FCC/CE/ TUV and also for reliability/regression testing?

Very interesting project.
weird post... applying the timeline of a completely separate company/product to this one.

the system has already passed the FCC as the core component is a module component (XPS calls the DivBee), was certified as such in January. The hardware is all nutted out.
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Old Apr 27, 2012, 05:42 PM
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E_ferret's Avatar
Launceston Arpt, Tasmania, Australia
Joined Jan 2004
564 Posts
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Originally Posted by crxmanpat View Post
Cool, I can get one of those easy enough from Jack.

Bob,

Would a 2S A123 fit in the battery box? I would think it would be too wide. But if a 2S 1100 fits, I have two of them on hand I could use, and would not need to buy a new lipo.

Pat
this should fit;
http://www.aircraft-world.com/shopexd.asp?id=3152
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Old Apr 27, 2012, 06:12 PM
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United States, TN, Maryville
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Originally Posted by E_ferret View Post
With shipping that's what, $45 or so? LOL.

Try this instead: http://www.hobbypartz.com/77p-sl800-2s1p-20c-2222.html Should be good for 8-9 hours, at 1/10th the base price, 1/5th the price ($8.40) with shipping (US address). Already has the right plug too. Go ahead and splurge: Get two.
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Old Apr 27, 2012, 06:15 PM
The "Foaminator"
mikeruth's Avatar
United States, CA, Los Angeles
Joined Mar 2007
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Originally Posted by Tony37803 View Post
With shipping that's what, $45 or so? LOL.

Try this instead: http://www.hobbypartz.com/77p-sl800-2s1p-20c-2222.html Should be good for 8-9 hours, at 1/10th the base price, 1/5th the price ($8.40) with shipping (US address). Already has the right plug too. Go ahead and splurge: Get two.
and he forgot to mention you can charge the Sky lipo in 45 minutes.

So like he said, by two and a hamburger.
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Old Apr 27, 2012, 06:18 PM
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Mesa, AZ
Joined Jan 2006
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Well, then I could just get a Hyperion G3 3S 850 pack. In fact, I already have a bunch of them, and they charge in 15 minutes.

Pat
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Old Apr 27, 2012, 06:20 PM
The "Foaminator"
mikeruth's Avatar
United States, CA, Los Angeles
Joined Mar 2007
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Originally Posted by crxmanpat View Post
Well, then I could just get a Hyperion G3 3S 850 pack. In fact, I already have a bunch of them, and they charge in 15 minutes.

Pat
Thats what I use in a DX7, works great and I literally never worry about the battery at the field. It's good for the whole day easily.
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Old Apr 27, 2012, 06:30 PM
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Tennessee
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I will NEVER NEVER NEVER use a battery that must be removed from the transmitter to be charged. One thing I have learned in 55 years of flying RC is that every time the transmitter case is opened is just another chance to break something. For the last 15 years, I have ALWAYS charged the transmitter and the first model on the way to the field. If I am flying a second model, I put it on charge as soon as the first model is charged. I have not lost a model to a battery failure in over 15 years.
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Old Apr 27, 2012, 06:36 PM
Xtreme Power Systems
Lake Havasu, AZ
Joined Jun 2005
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Quote:
Originally Posted by ltc View Post
Thank you.
If I understand correctly, assuming a 3 year design/release cycle, it should be another 2-2 1/2 yrs for your system to be commercially available.

Coud you possibly share how much of this time is designated for FCC/CE/ TUV and also for reliability/regression testing?

Very interesting project.
The FCC is done. That was 18 months of development by itself. The transmitter coding is basically done, with support for some changes (like SD media) to be fully tested along with complex math. There is still some work to be done, but all that is left at this point is firmware.
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Old Apr 27, 2012, 06:40 PM
Xtreme Power Systems
Lake Havasu, AZ
Joined Jun 2005
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Quote:
Originally Posted by ChuckA View Post
I will NEVER NEVER NEVER use a battery that must be removed from the transmitter to be charged. One thing I have learned in 55 years of flying RC is that every time the transmitter case is opened is just another chance to break something. For the last 15 years, I have ALWAYS charged the transmitter and the first model on the way to the field. If I am flying a second model, I put it on charge as soon as the first model is charged. I have not lost a model to a battery failure in over 15 years.
I feel the opposite. I NEVER charge the battery while in the transmitter, and this transmitter is designed so that it forces you to remove the battery to perform a charge. There have been too many fires due to overcharging Nicd/Nimh packs, and we all know how dangerous it is to overcharge a Lipo. So, we will not be offering the ability to charge the battery in the transmitter. If that costs us sales, I am ok with that. The liability is simply too great. If you need to charge once a month, I don't see this as much of an inconvenience. I am sure someone will pull the rubber plug (that replaces the normal charge plug) and modify their transmitter, but we won't be providing this option.
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Old Apr 27, 2012, 08:25 PM
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Hello Jim,
I am with you .My Futaba 8 channel with XPS module has a Turnigy lipos and I get
approx 16-18 hrs before I take it out and balance charge.it.This is the third year for this set up.System has perform well.
Willie McMath-Mt Clemens , Mi.
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Old Apr 27, 2012, 08:31 PM
Stop scaring my donkey!
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Greenland
Joined Mar 2012
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Quote:
Originally Posted by JimDrew View Post
I feel the opposite. I NEVER charge the battery while in the transmitter, and this transmitter is designed so that it forces you to remove the battery to perform a charge. There have been too many fires due to overcharging Nicd/Nimh packs, and we all know how dangerous it is to overcharge a Lipo. So, we will not be offering the ability to charge the battery in the transmitter. If that costs us sales, I am ok with that. The liability is simply too great. If you need to charge once a month, I don't see this as much of an inconvenience. I am sure someone will pull the rubber plug (that replaces the normal charge plug) and modify their transmitter, but we won't be providing this option.
When will "we" be able to do this?
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Old Apr 27, 2012, 10:38 PM
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Long Valley, NJ, USA
Joined Dec 2001
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Jim,

Is the battery compartment sized for eight AA cells side by side, or the double shotgun block arrangement?

Thanks,

Paul
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Old Apr 27, 2012, 11:20 PM
Xtreme Power Systems
Lake Havasu, AZ
Joined Jun 2005
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It is the 4x4x2 long assembly.
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Old Apr 28, 2012, 12:14 AM
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Son, Norway
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Quote:
Originally Posted by Tony37803 View Post
With shipping that's what, $45 or so? LOL.

Try this instead: http://www.hobbypartz.com/77p-sl800-2s1p-20c-2222.html Should be good for 8-9 hours, at 1/10th the base price, 1/5th the price ($8.40) with shipping (US address). Already has the right plug too. Go ahead and splurge: Get two.
You are comparing a Lipo with less than half the capacity against a safe LiFe pack with built in protection, that can be charged using your old Nixx charger.
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