Replies to This Discussion

3D RoboticsPermalink Reply by Chris Anderson on September 18, 2011 at 1:52am

You could go for a bigger battery. 2200 3s is a good fit.

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Permalink Reply by Mr. Santos on September 18, 2011 at 10:05am

Will it be ok with the stock motor?

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Permalink Reply by Mr. Santos on September 26, 2011 at 5:49pm

I should have listened to you, accucell 8150 doesnt "officially" support 2S packs, but, what you think about this "mod"?

 

http://rc.treerats.net/component/content/article/13-radios/69-accuc...

 

is it safe..or maybe i should step up to the plate and get a 3S pack ..

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Permalink Reply by Michael Pursifull on September 26, 2011 at 7:44pm

Remember P = IV, too. Lower the voltage, higher the current for the same power. Depending on the math/power required, you might need higher-amp ESCs because you want to use fewer cells. This means revisiting your solder joints, connectors, and wire gauges used, also, and thinking about waste heat impacting on the operation of your electronics, inside the plane, and on the materials it contacts. 

 

I don't know if 2C vs 3C makes that much of a difference for you, you will want to look at the numbers. 

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Permalink Reply by YureZzZ on September 18, 2011 at 2:10am

How about ordering a few extra LiPo packs, props, and definitely foam-safe CA glue? Also I would suggest a pair of LiPo's for transmitter, pair of servos (the cheap ones, like HXT900) and one extra receiver. This way even the biggest crash will not keep you away from going to your goal. Let the Force be with you! =)

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Permalink Reply by Mr. Santos on September 18, 2011 at 10:06am

Thats a good idea, i did order 2 x Turnigy 1700mAh 2S 20C Lipo Pack, looks like they might also fit the transmitter unit. Will have to look around to be sure.

 

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Permalink Reply by Jerry Cresp on September 19, 2011 at 2:34am

Re; Lipos for Tx. Am I right in saying that if u accidentally leave the transmitter switched on you flatten the Lipo and ruin it???

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Permalink Reply by Michael Pursifull on September 19, 2011 at 2:45am

Manage your lipos well. Or they melt, catch fire, or explode.

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Permalink Reply by Mr. Santos on September 19, 2011 at 4:01pm

So i read around, in your experience, what are the no-no's.

 

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Permalink Reply by Michael Pursifull on September 26, 2011 at 7:37pm

Do not leave them out in direct sunlight.

Do not discharge them faster than they are rated for.

Do not puncture them.

Do not charge them more aggressively then recommended by your charger.

Do not use the wrong settings to charge/balance them.

Do not discharge them below the recommended voltage.

Avoid accelerating them into the ground at 200G. 

Stop charging them, and unplug them, if they get really hot, or if they expand a lot.

Do charge them on something that will not catch fire.

Do read your charger manual.

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Permalink Reply by Michael Pursifull on September 26, 2011 at 7:41pm

Many transmitters allow/have an alert - both for low battery and for inactivity. I use a futaba, and if you ignore the voltage, it gets quite insistent. Same thing if there is no transmitter activity/input for a definable period of time. It would be hard to ignore. 

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Permalink Reply by Michael Pursifull on September 18, 2011 at 3:41am

I find that RCgroups has good build recommendations for most models. There are supplies (types of tape, glue, alternate spars and props, etc) and common mods or minor changes that help your model. 

 

If I were buying an Easystar, I would most likely read over this RCgroups thread for ideas of tuning and built tips that I wanted to integrate. I wouldn't get too fancy, or take all the advise. In fact, I have three Bixlers on my bench right now, and I am still reading RCgroups, and deciding which tips I am going to use on them. 

 

I'm excited for you, I have three to build myself, but it is great to hear from someone who is also jazzed about getting a new aircraft up and running. I hope you enjoy it!

 

 

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