Sold tail cone closures for AT 75mm motors

[DeeRoc29]

I'm doing a run of custom aft tail cone closures that fit AT 75mm motors. These are perfect for that minimum diameter M1315 or M1850 project you've got. These closures will function like a standard aft closure in every way, but with the benefit of a tail cone to reduce base drag and increase your rocket's performance.

Specs:
- precision machined from 6061T6 aluminum
- 2.45" total length
- 1.70" exposed tail cone length
- 3.125" max diameter at shoulder
- 2.375" diameter at aft end
- slide over single-throat AT nozzles (not compatible with Medusa nozzles)
- aluminum finish, not anodized

These are not certified at this time and are for research flights only. I am offering these at $99 each, plus $10 shipping to anywhere in the lower 48. PM with interest. Orders will be taken through May 1st. Turnaround time is 4-6 weeks. They will be shipped via USPS priority mail.

Pic below is the 98mm version.

 

[Thorfire]

I'm doing a run of custom aft tail cone closures that fit AT 75mm motors. These are perfect for that minimum diameter M1315 or M1850 project you've got. These closures will function like a standard aft closure in every way, but with the benefit of a tail cone to reduce base drag and increase your rocket's performance.

Specs:
- precision machined from 6061T6 aluminum
- 2.45" total length
- 1.70" exposed tail cone length
- 3.125" max diameter at shoulder
- 2.375" diameter at aft end
- slide over single-throat AT nozzles (not compatible with Medusa nozzles)
- aluminum finish, not anodized

These are not certified at this time and are for research flights only. I am offering these at $99 each, plus shipping. PM with interest. Orders will be taken through May 1st. Turnaround time is 4-6 weeks. They will be shipped via USPS priority mail.

Pic below is the 98mm version.

Is the 98mm version available?

 

[DeeRoc29]

Thor, yes.

 

[dhbarr]

Are these approximately the same dimensions as the legendary RouseTech ones?

 

[beezwax]

I'm interested in the 98mm version also, will PM for details.

 

[DeeRoc29]

Are these approximately the same dimensions as the legendary RouseTech ones?

Not completely familiar with the RT tail cone closures, but I think they are comparable.

 

[DeeRoc29]

Again, taking orders for 75mm tail cone closures through May 1. $99 plus shipping. Tail cones will still be available but after May 1, but price will increase to $119.

 

[KansasRocketman]

Again, taking orders for 75mm tail cone closures through May 1. $99 plus shipping. Tail cones will still be available but after May 1, but price will increase to $119.

I'll take one.

 

[DeeRoc29]

75mm tailcone closures for sale at $99 through May 1. Give your MD project a special look and a performance increase.

PM to order.

 

[DeeRoc29]

Thanks to everyone who has placed an order. I have enough stock left for about 3 more 75mm tailcone closures. PM if you want to get in on this run.

 

[DeeRoc29]

Ok trying to move the last few pieces on this run. Get one 75mm tailcone closure and one standard 98mm tailcone closure for $250 shipped. The standard 98 closure is compatible with motors like the N1000 and M1939. PM to reserve.

 

[DeeRoc29]

Alright, last call folks! 75mm tailcone closures for $99+$10 shipping. 98mm standard tailcone N1000 type closures for $175+$10 shipping. Buy one 75 and one standard 98 for $250 shipped.

Stock goes to the machinist Wednesday, so no more orders will be taken after that.

 

[DeeRoc29]

All 75mm tailcone closures have been spoken for on this run. Thanks all! I'll keep you updated on shipping date.

I still have a couple 98mm standard nozzle (N1000 type) tailcone closures available. PM for those.

Derek

 

[DeeRoc29]

Machinist says all tailcones will be done by June 10. I'll box them up and ship out by June 11.

Derek

 

[Siya]

Please let me know when you will do the next run. I was devastated that I missed out on this run by just two days.

 

[DeeRoc29]

It could happen this summer if there's enough interest to justify another run.

 

[DeeRoc29]

75's are done. I'll do my best to get these boxed up and shipped out in the next couple of days.

 

[DeeRoc29]

The machinist was very smart with the stock this time and made one extra. PM me if you want it. $109 shipped.

 

[jondub]

Do you still have a 75 available?

 

[DeeRoc29]

Yes jon

 

[DeeRoc29]

I've gotten a couple of requests for another run of the 75mm tail cone closures. Price would be $119 shipped. Send me a PM if you're interested. Need at least a dozen orders to make it go.