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Old Jul 21, 2015, 08:32 AM
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New Member with a quick question

Hi All,

I'm new to this forum and this is my first post. I'm not 100% new to this hobby.

I have one honey bee electric heli and a T-Rex heli. Both of them have been in the storage for 9 years.

Now I want to bring them out. What are the things I need to check before I want to start them up. I know the battery needs to be replaced, right?

Thanks
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Old Jul 21, 2015, 09:30 AM
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This is an electric airplane forum , try asking in the electric heli forum .
http://www.rcgroups.com/aircraft-electric-helis-217/:)
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Old Jul 21, 2015, 09:37 AM
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Batteries for certain

Quote:
Originally Posted by AutoRacer100 View Post
Hi All,

I'm new to this forum and this is my first post. I'm not 100% new to this hobby.

I have one honey bee electric heli and a T-Rex heli. Both of them have been in the storage for 9 years.

Now I want to bring them out. What are the things I need to check before I want to start them up. I know the battery needs to be replaced, right?

Thanks
Yes, replace the batteries for certain. Check with your local hobby shop regarding your radio. If it isn't 2,4 GHz, you may not be allowed to fly at some local club fields. They should be able to provide some guidance on what is allowed and if a conversion is possible from your current unit.
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Old Jul 21, 2015, 10:31 AM
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Sorry guys..

Can the admin move my post to electric heli section? Thanks

Can I tell the ghz by looking at the radio?
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Old Jul 21, 2015, 11:00 AM
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Quote:
Originally Posted by AutoRacer100 View Post
Sorry guys..

Can the admin move my post to electric heli section? Thanks

Can I tell the ghz by looking at the radio?
The way you do that is to "report" the first post using the button, and one of the option is to move it.

In general, give the helicopter a good visual check, get a good battery, lube up the bearings(!) and fire it up with the blades removed, and check if the electronics are still alive. After 9 years in storage, it's highly likely the servos have failed. I don't know what happens to them, but they don't like to sit around and not be used.

Please post detailed photos if you're not confident in your own assessment. Yes, if you post a photo or brand name and model number, we can tell you exactly what radio you have.
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Old Jul 21, 2015, 12:27 PM
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Yeah, the battery will be scrap. If it's been stored in a heated dry place then the rest of the heli should be fine. I've had stuff stored for a lot longer which has always worked ok.

If it's been in somewhere cold and damp then likely the electronics will be damaged by corrosion.
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Old Jul 21, 2015, 02:21 PM
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I haven't much to add to the advice already provided. I wish you success in getting that bird back in the air where it belongs.

Happy flying!
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Old Jul 21, 2015, 03:13 PM
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Long antenna

Quote:
Originally Posted by AutoRacer100 View Post
Sorry guys..

Can the admin move my post to electric heli section? Thanks

Can I tell the ghz by looking at the radio?
If the antenna is more than a foot long, it's not a 2.4.
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Old Jul 21, 2015, 03:54 PM
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I'm sure it's posted somewhere on the transmitter. Even the ancient Tx my father gave me (over 35 years old) was prominently marked 72MHz!
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Old Jul 21, 2015, 04:08 PM
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Quote:
Originally Posted by dteel View Post
I'm sure it's posted somewhere on the transmitter. Even the ancient Tx my father gave me (over 35 years old) was prominently marked 72MHz!
It is by law actually...

https://www.fcc.gov/encyclopedia/rad...-radio-service
An R/C station must be certified by the FCC. A certified R/C device has an identifying label placed on it by the manufacturer.
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Old Jul 21, 2015, 06:16 PM
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Type Acceptance

Quote:
Originally Posted by jasmine2501 View Post
It is by law actually...

https://www.fcc.gov/encyclopedia/rad...-radio-service
An R/C station must be certified by the FCC. A certified R/C device has an identifying label placed on it by the manufacturer.
A type acceptance label means the device is certified to operate within specific parameters across its designed frequency range. The label does not indicate what frequency range, only that it does not radiate more than specific amounts of energy outside of the ranges authorized. Which, when boiled down, doesn't say anything about what frequencies only how well the unit was designed for its specific purpose. Most transmitters don't mention their frequency range anywhere on the device, just in the material sent with it.
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Old Jul 21, 2015, 06:30 PM
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Hmm, maybe you're right... unfortunately I can't check the back of this one right now... but I could swear they were labeled not only with the band, but with the channel as well...
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Old Jul 22, 2015, 08:34 AM
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Don't mix fruit here

Quote:
Originally Posted by jasmine2501 View Post
Hmm, maybe you're right... unfortunately I can't check the back of this one right now... but I could swear they were labeled not only with the band, but with the channel as well...
The FCC type acceptance label is only required to show the registration number. Any added data such as frequency range and channels is not required but included at the manufacturer's option.
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Old Jul 22, 2015, 08:09 PM
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Quote:
Originally Posted by BoxCar31 View Post
The FCC type acceptance label is only required to show the registration number. Any added data such as frequency range and channels is not required but included at the manufacturer's option.
OK that's cool, but I swear all my 72MHz radios have a label with the frequency on it. A few of them have the crystal in the front with the channel marked on that. Can't hurt to look.
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Old Jul 23, 2015, 06:36 AM
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Quote:
Originally Posted by jasmine2501 View Post
OK that's cool, but I swear all my 72MHz radios have a label with the frequency on it. A few of them have the crystal in the front with the channel marked on that. Can't hurt to look.
the presence of a crystal also indicates it is not 2.4 GHz....

But to my knowledge, at least the frequency band should be indicated on the device, at least on the HF module if the transmitter has a separate module.

At least, all my transmitters did....

Brgds, Bert
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