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Antares JS

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I only have 1 x 75mm and 1 x 98mm SS discs. They are pretty expensive. So, wanted to make sure if I have multiple motors built for a launch day, I don't inadvertently use the wrong one. If I buy forward seal discs in the future, I will only buy the SS version.

Having said all that, I realized I was just being lazy. Went through Wildman's site and found only 5 motors that said the SS discs were required:

75mm:
L1256 WS-P - Super White Lightening
M2050X-PS - Propellant X

98mm:
L2500ST-PS - Super Thunder
M4500ST-PS - Super Thunder
M6000ST-PS - Super Thunder

Wildman doesn't carry the new L1940X, but I saw on another thread that it also requires the SS disc.

So, it appears that at least Super White Lightening, Propellant X, Super Thunder need the SS discs.

I plan to fly at least 3 of the motors listed above this weekend, so will have to assemble at least one at the field since I only have one of the 75mm discs.
I saw this and immediately went into a panic because I ordered an L1256 for my level 3 rocket's test flight and don't have an SS seal disc, but I went straight to the source and it's not the L1256WS that requires the SS seal disc, it's the L1940X.

 

mtnmanak

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I saw this and immediately went into a panic because I ordered an L1256 for my level 3 rocket's test flight and don't have an SS seal disc, but I went straight to the source and it's not the L1256WS that requires the SS seal disc, it's the L1940X.

Huh, I was just going off what Tim has on the Wildman site:

 

mtnmanak

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Antares JS

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@AeroTech Can you please clarify whether the stainless steel seal disk is needed for the L1256SW? I'd like to hear from the horse's mouth before running off to a vendor in a panic.
 

Rocketjunkie

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I'll need a 75 SS disc. Already have a 98 for the L2500 I flew a couple years ago. I'm surprised, the aluminum works fine in my 17 sec burn 98 D grain (N800).
 

DigBaddy

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@AeroTech How about a 6s delay F42? Nice motors for the price in the 4/8s versions. 6 could be useful, I keep making sims for potential builds that would be great with that 😃
 

thzero

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Where does one report a motor failure to Aerotech?
 

Neutron95

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The Aerotech website has been down all day for me. Is there something going on?
 

Tractionengines

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The Aerotech website has been down all day for me. Is there something going on?
I just checked. Yes, their site is down with a server error..... http://www.aerotech-rocketry.com/

The Aerotech Store IS working :
 

tfish

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They know about it and are working on it..

Tony
 

Banzai88

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Our hosting company is migrating to a new server and it might be down for another week or so.

The completely redesigned AeroTech/Quest website should be online next month.
With things like updated catalogs and instructions and motor availability lists?
 

Sooner Boomer

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You guys (Aerotech) need to check your web server. It's only delivering error messages.
 

tsmith1315

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How easily do 38/54mm Dark Matter and Metalstorm propellants ignite?

I've mostly flown BT and White Lightning and would typically use a small piece of Thermalite to assist.
 

mrwalsh85

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I've mainly used FirstFire igniters with DM motors since thats what they're supplied with and haven't had any duds. I give the igniter leads a little kink, and then a reverse kink just below the pyrogen to encourage the pyrogen to be in contact with the propellant core wall. Seems to work well since I don't have any duds (knock on wood).
 

AeroTech

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How easily do 38/54mm Dark Matter and Metalstorm propellants ignite?

I've mostly flown BT and White Lightning and would typically use a small piece of Thermalite to assist.
Dark Matter ignites pretty easily, Metalstorm is similar to White Lightning.
 
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