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<font size="2">Get your head out of your butt’s and gogle “super heterodyne receiver” maybe if you are lucky you might learn something, but I don‘t think you will.</font></p><u><font color="#0000ff"><font color="#0000ff">



<font size="2">Good luck with your heli.
</font></p></font></font></u></span><u><font color="#0000ff"><font color="#0000ff"><span lang="EN"><font size="2">supersdad</font></span></font></font></u><span lang="EN"><font size="2"> ask your question in a different forum before you waste your money on crystals, try this forum a lot of very experienced and intelligent people </font></span><u><font color="#0000ff"><font color="#0000ff"><span lang="EN"><font size="2">http://rc.runryder.com/helicopter/home/</font></span></font></font></u><font size="4"><span lang="EN"><font size="2"> Sorry but I can’t help you anymore as I will not be returning to this place, maybe I will se you at run ryder.</font></span></font>