Thank you!
Estes D12 Recall
- Thread starter sr205347d
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mh9162013
Well-Known Member
If there was an easy way to purchase them through shipping, I would do so. I can always use more spent engine casings and engines to use for testing.Wanna buy some?
DJRNY
well it has fins and took off like a rocket....
I'm thinking about buying the least expensive, unappealing, Estes rocket I can find which flies on D12s, and flying my stash of motors from the bad lots. If I get a CATO maybe I can get the rocket replaced. Or if I'm lucky, get several flights without incident. Either way I save my favorite rockets, get some launches in, and collect additional failure rate data.
Capt. Eric
Well-Known Member
I was thinking of something similar. I have that box of parts I mentioned earlier. Thought I'd slap something strong and heavy together just to sacrifice on D & E12's as necessary. I'll probably call it "The Lamb".
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Ooh, I've got an idea for a crazy CATO-resistant design! Off to the drawing board...
But what motors to use until Estes sends replacements? I have two rockets that I do not want to risk.
So, Q-Jet to the rescue! The 18mm D16-XFJ has 12.4 N-S total impulse (compared to 16.8 for the D12, according to thrustcurve.org). The FJ ignites reliably. I used it in my Starship Glider.
For my Bellyflopper, I used the 24mm D22-4W, with 19.3 N-S total impulse. The White Lightning doesn't ignite so easily, so I "enhance" the ignitor.
There is also the Q-Jet 18mm D20 White Lightning, but I have no experience with it.
I have had awful experience with the Q-Jet E26 White Lightning, though.
So, Q-Jet to the rescue! The 18mm D16-XFJ has 12.4 N-S total impulse (compared to 16.8 for the D12, according to thrustcurve.org). The FJ ignites reliably. I used it in my Starship Glider.
For my Bellyflopper, I used the 24mm D22-4W, with 19.3 N-S total impulse. The White Lightning doesn't ignite so easily, so I "enhance" the ignitor.
There is also the Q-Jet 18mm D20 White Lightning, but I have no experience with it.
I have had awful experience with the Q-Jet E26 White Lightning, though.
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Hmm, interesting observation, good to know.
Thanks!
I don't know but Estes has a couple of restrictions for Canadian customers.
1) They can't replace engines directly because of import restrictions at the Border and Hazmat.
2) Estes has agreements with Canadian retailers so that they don't directly sell to Canadian consumers. That rules out gift certificates for merchandise from the Estes website.
That means they will have to work out an agreement with their Canadian retailers to compensate us Canucks with replacement motors OR generate gift certificates that can be only redeemed at a Canadian retailer. Failing that, we are just SOL.
I have only 3 motors in my stock worth about $25-27 CDN (yeah, that price would shock Americans but it is what it is with the currency conversion).
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Like this...
I contacted Estes a couple of days ago saying that they should have all of their Engine Alert Service Bulletins in the same spot. I got a response yesterday afternoon saying they had done that.
https://help.estesrockets.com/hc/en-us/categories/8356832635405-Estes-Rocket-Engines
https://help.estesrockets.com/hc/en-us/categories/8356832635405-Estes-Rocket-Engines
The Q-Jet 18mm D20 White Lightning fit my field out back perfect. It simed to 25 feet less than the D12-5. I have 12 of those on the way.
Good idea. Thank you for prodding them on that.
Interesting that the 13mm recall still doesn't mention the A10-PT, yet Estes replaced the ones I had that shared codes with the other recalled A10s.
