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Microair 760 repairs

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Microair 760 repairs

Postby hazelmchase » Fri Mar 20, 2015 7:03 pm

If anyone needs a radio repair, I just thought I'd let folks know I have purchased Alan's Spares and technical information. Although I think most folks now are just upgrading to 8.33 spacing transceivers. I have a VHF oscilloscope, a Bird 43 Wattmeter, frequency counters, signal generators and of course, a VHF radio license on my NPPL! Plus a lot of spares for 760 radios.
-Hazel
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Re: Microair 760 repairs

Postby diablo » Fri Mar 20, 2015 9:26 pm

Good to know. Perhaps you should send us a banner and we will display it along with the other ads for six months free!

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Re: Microair 760 repairs

Postby hazelmchase » Tue Jan 17, 2017 9:52 pm

Also, can I have a show of hands of who might like to get thier microair modded for 8.33kHz channels spacing.
-Hazel
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Re: Microair 760 repairs

Postby diablo » Wed Jan 18, 2017 8:13 am

I know of three people at my airfield that would be interested ...
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Re: Microair 760 repairs

Postby Garyo » Sun Jan 22, 2017 10:04 am

If its possible I would like mine done. Microair said they could not be done and were not planning an upgrade for them.
If you can do it, what will be the cost?
How do we go about certification?
Will it pass ofcom?
Laa pass?

What needs to be done, simple mod or a piggy back board
Gary
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G-OMER
Jabiru 450 UL
Engine serial 1041
1 CHT sensor on No 4 under plug
No Exhaust temp sensors
No glass panel
No xponder
Microair radio
No bells and whistles
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Re: Microair 760 repairs

Postby paulhorth » Wed Jan 25, 2017 1:47 pm

I would be interested, if this is possible.
What sort of cost are you expecting?
Cheers Paul
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Re: Microair 760 repairs

Postby microliteron » Tue Jan 31, 2017 2:23 pm

I have a Microair radio and would def be interested in the mod, would appreciate any info on this please
Thank you
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Re: Microair 760 repairs

Postby mikew » Tue Jul 31, 2018 8:26 pm

Hi, has there been any update on upgrading 760's to 8.33?

Regards
Mike
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Microair 760 repairs

Postby Ican » Wed Aug 08, 2018 9:33 pm

Rainier from MGL Avionics in South Africa is of the opinion that it is not possible to modify the Microair for 8.33 spacing.

Have a look at this link:
https://www.avcom.co.za/phpBB3/viewtopi ... 6&t=195348
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Re: Microair 760 repairs

Postby skyjeep » Mon Aug 13, 2018 4:49 am

They produced (or their sales brochure claims) the model 760-8.33

the quoted reciever bandwidth is quoted the same for both 25khz spacicing and 8.33kHz spacing but with a frequency stability of .0002% about 10 x better than the M760 spec.

so my guess is that a conversion may require new software load (obviously) plus a high stability reference oscillator and maybe a new 6kHz wide 2nd IF crystal filter block.

Of course none of these mods will meet TSO you have to buy the official radio for that....
If anyone has the schematics for this or the TFL2000 transponder I'd like to see what can be done. looks like my junk pile of wheel chocks is going to get bigger.

Still no word on the Mode S ES transponder, current kit will be obsolete in 2 years
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