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Old Jan 17, 2008, 06:01 AM
Cuddles is offline
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Be afraid!
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Discussion

3,7g Palm-Z Tadpole


This is my latest effort in the LRF field.
Here are some specs:
25 cm wingspan
20 cm lenght
mosfet mod
Picco-Z tailprop and motor
3mm i.d. coil
Construction material is 1mm hotwired depron, 3mm depron for the fuselage, a 15cm piece of 0,8mm carbon pultruded rod and a small lenght of carbon capstrip.

It can fly in a very small room!
I'll post plans soon.
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Old Jan 19, 2008, 01:25 PM
hannustar is offline
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3,7g Palm-Z Tadpole


how does it turn with one motor?
Old Jan 21, 2008, 01:04 PM
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Quote:
Originally Posted by hannustar
how does it turn with one motor?
actuator for rudder check out the pix
Old Jan 22, 2008, 12:22 PM
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just beautiful.... Ive been looking for something like that, Tried to build my own several times without much luck.
Old Jan 22, 2008, 10:26 PM
BowerR64 is offline
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Are these made from styrophome plates? I have a couple of little cars i wondered if they couel be converted to a plane. it has a coil magnet for steering then the single direct drive motor.
Old Jan 23, 2008, 11:41 AM
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I have build a 10g, plane with balsa / foam, and tried to install the Palm Z hardware. The only problem was the rudder kinda got sticky, so while I was fiddling with it, I must have shorted out the coil as the rudder stopped working entirely. So I'll use the opportunity to improve the actuator. As I see a smaller diameter coil may be more powerful (which I will need for my model) I would like to know the details of your actuator mod if you would be willing:

1. diameter wire? Magnet and magnet orientation?

2. Did you use two wires wrapped together in a coil (like in the original Palm Z actuator) with a single double stranded lead to the Rx, or one wire, with an incoming and outgoing leads to the Rx.

Thanks...and keep up the good work!
Old Jan 24, 2008, 03:39 AM
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Hi marcfern,
Thank you for compliments
A 10g airframe is wayyy too heavy for Palm-Z hardware, my tadpole airframe weights one gram indeed.
And, yes, Palm-Z actuator is cr@p but it will teach you to treat actuators with the due respect...
I don't know what diameter is my wire, i've just looked for the thinnest i could find: mine was found in one of these cheap big wall clocks.
My actuator is just like the Palm-Z one, it's just 3mm i.d. instead of 4mm or so.
The magnet is a little gem and you get two of them, treat those things like diamonds!
If you are not familiar with actuators, i suggest you to read (and print too) "Inside Story":https://www.rcgroups.com/forums/show...04&postcount=2

Best regards

Francesco
Old Jan 28, 2008, 12:39 PM
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Thanks Francesco

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