Today's Message Index:
----------------------
1. 10:37 AM - Re: Need KT-70 pinout and instruction manual. (Jackeyb)
2. 11:37 AM - Need help finding Hisonic Radio Filter Amperage Rating. (Will)
3. 10:20 PM - Re: Need help finding Hisonic Radio Filter Amperage Rating. (Charles Davis)
Message 1
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| Subject: | Re: Need KT-70 pinout and instruction manual. |
Hi I am also looking for the install manual for KT 70 transonder
and pin out for same
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=488010#488010
Message 2
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| Subject: | Need help finding Hisonic Radio Filter Amperage Rating. |
Hello everyone! This is my first post to this list. I'm adding a couple
radios to my BD4 that I purchased recently and have a question about a
piece of equipment I found under the panel.
I=99m trying to find out the amperage throughput capacity of a Hisoni
c radio
frequency interference filter. I=99m adding a couple radios to my pan
el and
based on their circuit breaker requirement rating I=99m guessing coul
d add
about 15 amps to the avionics side of the buss bringing the total max load
to around 25A. The way the plane is currently wired all the power for the
avionics is fed through an old Hisonic RFI 40 Radio Frequency Interference
Filter. I=99m having trouble finding much info on the filter. Looks l
ike
Cessna used these at one point. My plane does also currently have an
alternator filter like this one.
https://www.aircraftspruce.com/catalog/elpages/lsAlternatorfilter.php?recfe
r=16504
2
<https://www.aircraftspruce.com/catalog/elpages/lsAlternatorfilter.php?recf
er=16504>
Unfortunately, I purchased the plane w/out being able to test fly it and as
such I=99m not sure if there is extra alternator noise in the plane o
r if
this was just added for more assurance. What I=99d really like to kno
w is how
many amps this unit can handle and if I should leave it in or take it out.
I suppose that it=99s unlikely the filter will see 25A max draw ever
as both
COM radios, one VOR nav, and a transponder would hall have to be
transmitting simultaneously to even get close to max amp draw.
I=99m just concerned that I could have a single failure point lurking
here. I
have a feeling these aren=99t used much any more since I can=99
t find many
available. Though aircraftspruce does have a couple models for sale.
https://www.aircraftspruce.com/catalog/elpages/lonestarFilter70amp.php?recf
er=2351
1
<https://www.aircraftspruce.com/catalog/elpages/lonestarFilter70amp.php?rec
fer=2351>
Are you guys using these or is it more just old school gear that isn
=99t used
anymore?
Thanks,
Will
Message 3
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| Subject: | Re: Need help finding Hisonic Radio Filter Amperage Rating. |
Hi Will
Try asking this on the "AeroElectric List", google should find it for
you, and I bet Bob will have the answer
Charles
On 2019/03/11 08:35 PM, Will wrote:
> Hello everyone! This is my first post to this list. I'm adding a
> couple radios to my BD4 that I purchased recently and have a question
> about a piece of equipment I found under the panel.
>
> Im trying to find out the amperage throughput capacity of a Hisonic
> radio frequency interference filter. Im adding a couple radios to my
> panel and based on their circuit breaker requirement rating Im
> guessing could add about 15 amps to the avionics side of the buss
> bringing the total max load to around 25A. The way the plane is
> currently wired all the power for the avionics is fed through an old
> Hisonic RFI 40 Radio Frequency Interference Filter. Im having trouble
> finding much info on the filter. Looks like Cessna used these at one
> point. My plane does also currently have an alternator filter like
> this one.
> https://www.aircraftspruce.com/catalog/elpages/lsAlternatorfilter.php?recfer=16504
> 2
> <https://www.aircraftspruce.com/catalog/elpages/lsAlternatorfilter.php?recfer=16504>
>
>
> Unfortunately, I purchased the plane w/out being able to test fly it
> and as such Im not sure if there is extra alternator noise in the
> plane or if this was just added for more assurance. What Id really
> like to know is how many amps this unit can handle and if I should
> leave it in or take it out. I suppose that its unlikely the filter
> will see 25A max draw ever as both COM radios, one VOR nav, and a
> transponder would hall have to be transmitting simultaneously to even
> get close to max amp draw.
>
> Im just concerned that I could have a single failure point lurking
> here. I have a feeling these arent used much any more since I cant
> find many available. Though aircraftspruce does have a couple models
> for sale.
> https://www.aircraftspruce.com/catalog/elpages/lonestarFilter70amp.php?recfer=2351
> 1
> <https://www.aircraftspruce.com/catalog/elpages/lonestarFilter70amp.php?recfer=2351>
>
> Are you guys using these or is it more just old school gear that isnt
> used anymore?
>
> Thanks,
>
> Will
>
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