Greg_D

KFC 150 Autopilot Woes

Recommended Posts

16 minutes ago, Bravoman said:
On 5/18/2019 at 10:33 AM, carusoam said:

Some of the older BK autopilots have a couple of large-ish capacitors in the control box...

Capacitors don’t age very well after a couple of decades... and in BK’s boxes, they sometimes fall out of their mounts...

Based on things I have seen around MS...

Best regards,

-a-

Flux capacitors?

One of the problems with old electronics is the aluminum electrolytic capacitors. They really have a useful life of 15 years or so and do best when voltage is applied continuously. With time and disuse, the electrolyte can leak (it's acidic) which damages the printed circuit boards to which they are affixed. 

  • Like 1

Share this post


Link to post
Share on other sites

*Members that donate $10 or more do not see advertisements*

Hmmmm...

Going back in time... Flux capacitors came out in 1985...

Some BK AP boxes predate that by a few years... :)

I was busy reading the internet, while Skip was writing the answer to ‘how do capacitors fail’...

Back atcha,

-a-

  • Like 1

Share this post


Link to post
Share on other sites
11 hours ago, PT20J said:

One of the problems with old electronics is the aluminum electrolytic capacitors. They really have a useful life of 15 years or so and do best when voltage is applied continuously. With time and disuse, the electrolyte can leak (it's acidic) which damages the printed circuit boards to which they are affixed. 

Here's a picture I took of my KAP 150 before sending it out to Autopilots Central a couple of years ago. While flying along I heard a pop then smoke came out of the head, turned out the capacitor blew its top, literally. 1.5 AMU's later it's still going strong.

KAP150.JPG

  • Like 1

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.