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CCLee J-3 Cub, advice needed

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Old 12-10-2006, 08:26 AM
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Grandadap
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Default CCLee J-3 Cub, advice needed

I am new to electric and have bought a CCLee J-3 Cub as a trainer which is supplied with an 8.4v 650 aph battery powering a 380 motor. The question is can I use a 7.2v 1400 aph or a 7.2v 950 aph battery as extras with the plane? The cub does not have a speed controller so it is full power on/off. Will the 7.2v batteries supply enough power to fly or will the use of a lower voltage battery damage anything? Performance is not important, just learning to control the aircraft before moving to a four channel trainer.
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Old 12-11-2006, 07:51 AM
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Default RE: CCLee J-3 Cub, advice needed

I'm not familiar with the specific plane that you bought, but most manufacturers of inexpensive "beginner" planes make the planes underpowered. If the manufacturer recommends the seven cell battery, going to a six cell, might make the plane unflyable.

Many people who buy the inexpensive planes become frustrated when the planes don't fly well and give up the hobby. I would advise you to purchase a good beginner plane and if you find that you like the hobby, you can always tinker around with the CCLee at a later date, perhaps adding a speed controller, better electronics and a better motor and convert it to a decent flying plane.
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Old 12-11-2006, 12:27 PM
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Default RE: CCLee J-3 Cub, advice needed

Hi Leo,
Thanks for the advice. I'll save up and buy a Easy Star as I can't find a single bad report ref this model. It's easy to be misguided when starting out on electric flight and I bought the Cub before I found this site (very good for information). I flew gas radio control in the 60's and 70's, had a few hairy moments but now that I am retired the interest which has always been there has been re-kindled.

Andy
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Old 12-13-2006, 08:57 PM
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Default RE: CCLee J-3 Cub, advice needed

Andy, I am very surprised there is not a ESC in the plane, I had the cclee cub and it was a 3 channel with total throttle control, it is a copy of the shun da cub, Leo is right this is not the plane to try first, the cclee is a very disapointing copy, it is under powered, also almost every cub including the SD comes rather tail heavy, weight has to be added to the nose area to ballance it, also do not go down in batt size, in fact go up and it will help in both power and ballance, there is a forum on the backyard park flyers just for this and other small cubs that can give you tons of insight and help. It's called Shun Da Cub Oh and the easy star is a excellent choice
Good Luck and happy flying
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Old 12-24-2006, 06:31 AM
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Default RE: CCLee J-3 Cub, advice needed

[font="Times New Roman"]Broke the advice given and flew the CCLee J-3 Cub 380 motor and 8.4 v 650 mah batteries. While trimming I found it to be nose heavy and swinging to the right (without engine on). Changed the CG, trim and launched! Definitley underpowered but stable in flight with quite a good glide angle. The batteries failed after 5 minutes. The power settings are either full on or off, no ESC. I hope to install updated electronics and put in a 400 or 480. Could do with some advice on this. Don't want to bin it until I either wreck it or get some flying time in.[/font
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Old 12-24-2006, 07:23 AM
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Default RE: CCLee J-3 Cub, advice needed

Grandad, I would not go with the 480, it hs been tryed and is just too heavy, I have found that a geared set up is the best option for the cub, the 370 geared set up for the PZ cub is a good drop in, you can bolt the gearbox right to the firewall and run a 8X4 prop and have plenty of power, if you go with a 400 which realy is the same as the 380 you will be right where you are now. I suggest you go to the park back yard flyers forum and look up the Shun Da J-3 thread, there are many people flying all the J-3 there and lots of info as to mods and upgrades, and advise
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