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  #1  
Old 05-05-2015, 04:25 PM
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K'Tesh K'Tesh is offline
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Question Rocketronix

Poking around in the old Estes 1974 Catalog (online format), I found an ad for the Rocketronix products Estes used to sell.

Does anybody still have/use this old stuff? I'm curious in learning more about it.

Thanks!
Jim
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Old 08-05-2015, 08:23 PM
rocket9005 rocket9005 is offline
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the original transmitter was 100mW based on the 27MHz CB radio band. As a result the signal could be received an a standard CB radio or walkie talkie. It was crystal controlled for one channel. The stock transmitter was a beeper that could be used for direction finding. There was a microphone option (which was a earphone) so you could hear what was happening on board, they also had a thermometer option and a photo cell that could be used to measure roll. It was available as a kit, or you could order it assembled for an additional charge. it used a square battery that I think was 6 volts, and was hard to find. I friend of mine built one was never able to get it to work.
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Old 08-05-2015, 11:32 PM
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I saw some on ebay recently, so it is around.
I didn't pay much attention to it so no idea what exactly was in the sale or what it sold for.
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Old 08-06-2015, 05:54 AM
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That was one of those things (among cold power and the Cineroc) that I wanted back in 73/74 that I could never afford! I did find the scematics and instruction book online at one point so that info is out there.

Beware, though, that most of the Rocketronics you'll see on eBay is the Transroc II, which I think was just a beeper to go in your rocket and a directional microphone to help you "track" your rocket. Really crappy bring back of the name!
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Old 08-06-2015, 09:16 PM
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The original factory-assembled Transroc Rocketronics from Estes usually fetch high bids the few times they come up on eBay which is really rare; FAR rarer than Cinerocs, K-29 1/70 Saturn 1B's, and Centuri 1/45 Little Joe II's.
I remember seeing originals on eBay maybe 3 times in the last 5 years.

The Transroc II trackers that Estes offered in either the late 90's or early 2000's are genuine junk.
Avoid like the plague.
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Old 08-06-2015, 10:28 PM
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A Fish Named Wallyum A Fish Named Wallyum is offline
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Quote:
Originally Posted by ghrocketman
The original factory-assembled Transroc Rocketronics from Estes usually fetch high bids the few times they come up on eBay which is really rare; FAR rarer than Cinerocs, K-29 1/70 Saturn 1B's, and Centuri 1/45 Little Joe II's.
I remember seeing originals on eBay maybe 3 times in the last 5 years.

The Transroc II trackers that Estes offered in either the late 90's or early 2000's are genuine junk.
Avoid like the plague.

They had several of these for sale at Johnny's Toys, which was where I did my rocket shopping from 2001 until just a few years ago when they closed. They were on the racks right up to the end. I was never tempted.
Man, I miss Johnny's.
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Old 03-06-2016, 01:09 AM
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Quote:
Originally Posted by ghrocketman
The original factory-assembled Transroc Rocketronics from Estes usually fetch high bids the few times they come up on eBay which is really rare; FAR rarer than Cinerocs, K-29 1/70 Saturn 1B's, and Centuri 1/45 Little Joe II's.
I remember seeing originals on eBay maybe 3 times in the last 5 years.

The Transroc II trackers that Estes offered in either the late 90's or early 2000's are genuine junk.
Avoid like the plague.
I agree, but the sonic locator -concept- itself is valid (although I prefer radio because it can achieve much greater ranges with little power). With a good (and sufficiently large) parabolic-reflector microphone, a beeper-equipped rocket could be tracked and located, which would be useful for relatively low-power rockets that don't fly too far but can become lost in tall grass or other foliage on the ground.
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Old 08-10-2015, 04:11 PM
rocket9005 rocket9005 is offline
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I was going through some stuff in my basement yesterday and found my old rocketronix stuff, I have the manual and a base kit with the microphone option, I can scan it and post it somewhere is anybody needs it.
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Old 08-10-2015, 04:22 PM
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Quote:
Originally Posted by rocket9005
I was going through some stuff in my basement yesterday and found my old rocketronix stuff, I have the manual and a base kit with the microphone option, I can scan it and post it somewhere is anybody needs it.

Sure! Scan it and send it to me at scott@rocketshoppe.com. I'll make it available for people next week when I'm back in town. Thanks!
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Old 08-10-2015, 05:48 PM
rocket9005 rocket9005 is offline
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it'll take a few days as the book won't fit tin the document feeder of my scanner, so I have to scan it one page at a time.
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