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Search: Posts Made By: Jerry Irvine
Forum: Current Kit Talk 04-14-2019, 06:14 PM
Replies: 85
Views: 7,186
Posted By Jerry Irvine
29mm/24mm!

29mm/24mm!
Forum: Current Kit Talk 04-12-2019, 10:22 PM
Replies: 85
Views: 7,186
Posted By Jerry Irvine
It really needs to have the higher thrust motor...

It really needs to have the higher thrust motor options used, but that's fine. I am going to buy several for friends and I suspect they will never fly.

Jerry
Forum: Model Rocket History 04-11-2019, 02:55 PM
Replies: 6
Views: 354
Posted By Jerry Irvine
If it is already out there and not worth the...

If it is already out there and not worth the effort, just let me know.
Forum: Model Rocket History 04-11-2019, 07:03 AM
Replies: 6
Views: 354
Posted By Jerry Irvine
I can afford postage. If you can do it, great....

I can afford postage. If you can do it, great. 01rocket@gte.net with address.
Forum: Model Rocket History 04-10-2019, 06:05 PM
Replies: 6
Views: 354
Posted By Jerry Irvine
1974 Model Rocketeer magazines

I have a year of model rocketeer magazines here if someone would scan and send them back I would cheerfully send. There are also a few Estes newsletters and such.

Jerry
Forum: Current Kit Talk 04-08-2019, 06:30 AM
Replies: 4
Views: 356
Posted By Jerry Irvine
GH you miss the point. In this case less is more...

GH you miss the point. In this case less is more on detail, and more is more on power (whack the gas). You cannot see those details from the distance most photos are taken anyway. We used to have...
Forum: Current Kit Talk 04-07-2019, 07:39 PM
Replies: 4
Views: 356
Posted By Jerry Irvine
The LOC kit may be sport scale but it appears to...

The LOC kit may be sport scale but it appears to be easier to build, bigger and accept all these very high power motor options. It serves a different purpose than the other Saturns out there.
Forum: Scale & Sport Scale Rocketry 04-06-2019, 06:28 AM
Replies: 23
Views: 929
Posted By Jerry Irvine
WE used to simply write to NASA and their...

WE used to simply write to NASA and their sounding rocket vendors to get data. Try General Tire and their buyers, Thiokol, and other historical rocket manufacturrs. We got some very high quality...
Forum: Current Kit Talk 04-03-2019, 02:36 PM
Replies: 9
Views: 1,255
Posted By Jerry Irvine
I posted to the Estes FB page about my own...

I posted to the Estes FB page about my own experience using the Multi-Roc in rocket classes for 5-6 grade and the Estes bot ( :D ) responded favorably.
Forum: Scale & Sport Scale Rocketry 04-01-2019, 03:20 PM
Replies: 31
Views: 2,026
Posted By Jerry Irvine
When I looked at your build photos I was thinking...

When I looked at your build photos I was thinking both booster shrouds could be done using Integrated Tube-tm and a fairly easy sport scale kit would emerge. It looked to me like your interstage...
Forum: Scale & Sport Scale Rocketry 03-31-2019, 06:21 PM
Replies: 31
Views: 2,026
Posted By Jerry Irvine
Hope this scale data helps.

Hope this scale data helps.
Forum: FreeForAll 03-27-2019, 05:15 PM
Replies: 11
Views: 577
Posted By Jerry Irvine
Hyperloop 2. Handy, the moon is already a vacuum...

Hyperloop 2. Handy, the moon is already a vacuum with unlimited solar power, and nuke friendly too.
Forum: Vendors 03-27-2019, 09:12 AM
Replies: 2
Views: 458
Posted By Jerry Irvine
We are shipping 6.5" Goblin kits this week....

We are shipping 6.5" Goblin kits this week. Get yours.

We also have 4" Goblins, 2.7" Starlights, 2.25" Tridents, and a good supply of 4 inch Mega-Roc and 3.16" Sonic 3100 54mm.

Jerry
Forum: FreeForAll 03-27-2019, 07:52 AM
Replies: 11
Views: 577
Posted By Jerry Irvine
NASA has a goal of going to the moon in 5 years. ...

NASA has a goal of going to the moon in 5 years. Fine. They want American boots to be first on Mars. Fine. My advise is abandon SLS and use the money to hire a private company or two to do it...
Forum: Vendors 03-25-2019, 08:42 AM
Replies: 2
Views: 458
Posted By Jerry Irvine
New productions as of 4-19

Recent productions of kits include BMR2 Screamer, ERS Mega-Roc, BMR2 Goblin 4, AMR Talon, AMR Sonic 2200, Two the Limit, Weightlofter, ERS2 Hi-Test 3100, LSS Warp-1, Warp-1.5, Stiletto, Berlinetta,...
Forum: Current Kit Talk 03-20-2019, 08:46 PM
Replies: 85
Views: 7,186
Posted By Jerry Irvine
http://v-serv.com/crp/CRm/4-83/CRm.4-83.05.w.gif

http://v-serv.com/crp/CRm/4-83/CRm.4-83.05.w.gif
Forum: Current Kit Talk 03-20-2019, 05:27 AM
Replies: 85
Views: 7,186
Posted By Jerry Irvine
I have to agree. I think an 18mm D16 will be a...

I have to agree. I think an 18mm D16 will be a real workhorse for all those C6-3 and C5-3 models of yesteryear.

The fabled Enerjet D21 just couldn't be brought into enough production using...
Forum: Current Kit Talk 03-19-2019, 04:56 PM
Replies: 85
Views: 7,186
Posted By Jerry Irvine
I am guessing zero chance for 24mm? Any good 18mm...

I am guessing zero chance for 24mm? Any good 18mm motor for this is not certified.
Forum: Projects 03-17-2019, 07:04 AM
Replies: 18
Views: 1,552
Posted By Jerry Irvine
My takeaway are two things. Where do all these...

My takeaway are two things.

Where do all these nose cone molds go? They are used well below their potential duty cycle. Are they lost to vendors, corporate switches, laziness and incompetence? ...
Forum: FreeForAll 03-15-2019, 11:45 AM
Replies: 22
Views: 1,071
Posted By Jerry Irvine
There are new engines ready for deployment now. ...

There are new engines ready for deployment now. The limit is budget and adoption. SpaceX and Blue Origin are passing them fast and going where no man has gone before because they did the smart...
Forum: FreeForAll 03-14-2019, 07:19 AM
Replies: 22
Views: 1,071
Posted By Jerry Irvine
They never could master the slide rule. Didn't...

They never could master the slide rule. Didn't understand how to draw a regen motor with a pencil either.

Pencils have fewer constraints than CAD programs and require less training. Furthermore if...
Forum: FreeForAll 03-14-2019, 06:54 AM
Replies: 0
Views: 163
Posted By Jerry Irvine
Happy Pi day fellow geeks

The number π is a mathematical constant. Originally defined as the ratio of a circle's circumference to its diameter, it now has various equivalent definitions and appears in many formulas in...
Forum: FreeForAll 03-13-2019, 12:35 PM
Replies: 22
Views: 1,071
Posted By Jerry Irvine
The V can launch a huge BG. Retrieval no prob. ...

The V can launch a huge BG. Retrieval no prob. Imagine a scaled up Apollo capsule for cargo and stolen black satellites the diameter of the 2nd stage (33 feet)? Hmmm? The V being deprecated was a...
Forum: FreeForAll 03-13-2019, 11:11 AM
Replies: 22
Views: 1,071
Posted By Jerry Irvine
The Saturn could have done everything Shuttle...

The Saturn could have done everything Shuttle did, 10 years sooner, 2-4x as frequently, for 1.5x as long in history, and with vastly more mass to LEO. You know, that's all.

These days BFR should...
Forum: Vendors 03-09-2019, 02:06 PM
Replies: 2
Views: 458
Posted By Jerry Irvine
U.S. Rockets kit availability

Hi.

We still have Semroc/eRockets Saturn 1B kits at $129.95 each and 1-4 kits is $12 flat shipping.

We made a production run of U.S. Rockets V-2 2.7" which as near as we can tell are not stocked by...
Showing results 1 to 25 of 500

 
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