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Who here built a Heathkit R/C radio?

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Who here built a Heathkit R/C radio?

Old 12-22-2019, 06:42 AM
  #76  
fvincent
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I built a Heathkit RC Transmitter for a pattern plane in 1972!
Old 12-22-2019, 07:43 AM
  #77  
FlyerInOKC
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Originally Posted by fvincent View Post
I built a Heathkit RC Transmitter for a pattern plane in 1972!
Which one did you build, what servos did it have?
Old 12-24-2019, 10:49 AM
  #78  
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I was relatively heavily invested in the early Heath radios and built three of the GD-19 radios and many of the servos over the year they were sold. I found the early ceramic filter (no IF cans) GD19 receivers less reliable than I would have wanted.Over time I switched to either Kraft or aftermarket receivers from Royal and other companies. Two of my early radios had the Heath servos that used the Kraft KPS-9 mechanics but they were huge and slow even by standards of the time. They were quickly switched out to Heath servos that used KPS-11 or KPS-12 mechanics depending on what plane they were going in. As quality Royal and Ace servos became available, I quickly went that route. Radio and servo advancement was happening very quickly in the 1970 - 75 time period and a equipment that was state of the art one season could be well outdated the next. Heath served me well for the most part but I moved on. Much I could tell beyond this short post.

By 1975 I had completely switched to Pro Line and Kraft equipment and soon after all Kraft. I found my short time using Pro Line a complete waste of time and money as the Kraft equipment gave me far better overall service at much less cost. In the mid 70's I also tried a few other radios such as EK with good results but preferred Kraft and stuck with them until they went away in the 80's. I enjoyed a sponsorship from Kraft for a few years from 1980 until they closed which increased my loyalty to them.


Old 12-24-2019, 01:49 PM
  #79  
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I still remember those be honking Heathkit servos. In some ways I thought the linear travel was superior to the rotating servo arms.
Old 12-24-2019, 02:13 PM
  #80  
Truckracer
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I still remember those as great times to be in the hobby! So much equipment, engine and airframe development between maybe 1965 - 1975 ..... times we will never see again in our hobby. I'm thankful I got to live through it all.
Old 12-29-2019, 05:35 AM
  #81  
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Default No Heathkit seen in the Netherlands!

You are right tTruckracer, great times.
No , never seen the Heathkit radio's in the Netherlands and never saw a succesfull own made radio of other brands.
I started 'solo' with just written information, magazins and a book.
Built my own tip-tip radios and did successfull started with it, two channel in the beginning wit a Metz actuator for rudder, later three channel tip-tip to have control over throttle too.
The transmitter in the middle in the metal case is of that period, four channel tip-tip (all combined with tone filter superregen receivers).
When proportional was there I copied the circuit of a Simprop 2 +1 (three channel proportional) transmitter with extension to 5 channels. The transmitter I still have, second photograph. With this transmitter I did fly for more than 10 years pattern without problems. Receiver, a Remcon combined with Simprop servo's and own designed electronics inside.

These days I stepped back to tone radio's, tip-tip again and even radiotubes................., the transmitter at the right side in wooden case.

That time doesn't come back? No problem for me, I'll bring it back!

Best wishes for 2020!

Cees




Last edited by Taurus Flyer; 12-29-2019 at 05:40 AM. Reason: Photographs added
Old 12-29-2019, 12:00 PM
  #82  
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Good stuff Taurus Flyer!

As a mid-teenager in the early 60's I built my own radios from scratch but their success was marginal at best. They usually worked for about a half flight then the planes became free flight. I lived on a farm and most of my flights were in the spring and fall when crops were short as it was easier to search for downed planes in those times. My main problems were batteries and actuators as the actual radio part worked fairly well most of the time. This was all tube equipment and batteries for these were expensive for someone who had little money. Still good times though and I never lost interest.

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