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Search: Posts Made By: MarkB.
Forum: FreeForAll 04-11-2018, 11:56 PM
Replies: 7
Views: 244
Posted By MarkB.
Yuri's Night 2018

Tonight's the night.

So go launch something Russian and post some pictures.

Weather permitting, this weekend, I will launch my new-built Scrambler. First up will be Egg Yuri and if unsuccessful,...
Forum: FreeForAll 03-19-2018, 06:08 PM
Replies: 16
Views: 614
Posted By MarkB.
I've been using them since they came out and have...

I've been using them since they came out and have not experienced a failure rate greater than the older Solars. But I'm using a 12V car battery. My last launch was 16 out of 17, all new, white...
Forum: Building Techniques 03-03-2018, 09:07 PM
Replies: 1
Views: 258
Posted By MarkB.
Using Semroc baffles in BT-55/56 with 24mm power

Comrades:

The title sorta says it all; I am wondering if anyone else has had success or failures using the Semroc heavy card stock cone ejection baffles in BT-55/56 (1.3") size rockets when using...
Forum: FreeForAll 02-09-2018, 10:35 PM
Replies: 0
Views: 295
Posted By MarkB.
Lego Heavy

And now for something totally diffferent:

Years ago my kids gave me the Lego Space Satellite Launcher. Soemhow, it did not meet the fate of almost all other Lego kits: taken apart and the pieces...
Forum: Wanted: Dead or Alive! 02-09-2018, 10:05 PM
Replies: 7
Views: 693
Posted By MarkB.
Agreed: My buddy Henry had one when we we little...

Agreed:

My buddy Henry had one when we we little and it was a good flyer that was relatively indestructable even in hard desert landings. Easy to build, easy to paint and super easy to trim for a...
Forum: Scale & Sport Scale Rocketry 02-06-2018, 08:18 AM
Replies: 13
Views: 808
Posted By MarkB.
Post Well, here's what you need: Balsa Nose Cone #20...

Well, here's what you need:

Balsa Nose Cone #20 6.1" Ogive SEM-BC-2061 1 $9.99
Body Tube #20 18.0" Long SEM-ST-20180 2 $3.79
Body Tube #9 5.0"...
Forum: Scale & Sport Scale Rocketry 02-05-2018, 08:20 AM
Replies: 13
Views: 808
Posted By MarkB.
You're right! I didn't think to check because I...

You're right!

I didn't think to check because I though the rocket was "too new"!

Sure enough, 38 inches tall on ST-20 tubing for 1/10 scale. 6 inches of cone, about a half inch of fin at the...
Forum: Scale & Sport Scale Rocketry 02-04-2018, 06:01 PM
Replies: 13
Views: 808
Posted By MarkB.
Comrades: Anybody got a drawing? 1/10 scale on...

Comrades:

Anybody got a drawing?

1/10 scale on ST-20 would be 37 inches tall with a BC-2061.
Forum: Vendors 01-10-2018, 10:59 PM
Replies: 177
Views: 10,798
Posted By MarkB.
Comrades: Betcha Estes/Centuri gets spun off and...

Comrades:

Betcha Estes/Centuri gets spun off and sold separately to generate funds for the core Hobbico operation. I'd guess they want to protect the distributorship for big ticket items like...
Forum: Scale & Sport Scale Rocketry 01-09-2018, 06:00 PM
Replies: 2
Views: 392
Posted By MarkB.
Semroc V-2/A4

Comrades:

While poking around late-night, I discovered these little nuggets on the eRockets/Semroc website: parts for an ST-18 size V-2. I found the fins first and thought it highly unlikely that...
Forum: FreeForAll 01-06-2018, 03:35 PM
Replies: 4
Views: 250
Posted By MarkB.
John Young passed yesterday

Comrades:

Sorry to report that John W. Young, America's oldest surviving astronaut passed yesterday. He was 87 years old. He flew the first Gemini, Apollo to the moon (twice, once as commander),...
Forum: Projects 12-31-2017, 12:15 AM
Replies: 13
Views: 842
Posted By MarkB.
Lightbulb 2017 Rocket Blues/ 2018 Rocket Resolutions

Comrades:

2017 was another bad year for building. I managed to complete only four rockets this year: a scratch 13mm BT-50 V-2 from BMS parts and Alway plans; a scratch BT-80 Hermes A-1 for 24mm...
Forum: Mission Control 12-29-2017, 10:44 AM
Replies: 1
Views: 566
Posted By MarkB.
Thumbs up Last Launch 2017

Comrades:

We've had nice weather all week so my sister and I took the kids for a launch yesterday. We launched 17 rockets in about an hour and 45 minutes. We launch at a park near her house that's...
Forum: Current Kit Talk 11-15-2017, 08:00 AM
Replies: 16
Views: 940
Posted By MarkB.
Steve's right! Argentina's money policy is a...

Steve's right! Argentina's money policy is a nightmare!

There's a fair amount of international banking herein El Paso so I talked to some people and apparently the workaround is a prepaid Visa card...
Forum: Current Kit Talk 11-14-2017, 12:48 PM
Replies: 16
Views: 940
Posted By MarkB.
Well, I figured it out . . . . Its not 1 peso =...

Well, I figured it out . . . .

Its not 1 peso = .57 US, its 1 AP = .057 cents.

Decimal place is important as are zeros AND checking a different browser result.

So its $23 and $27 for the kits (+...
Forum: Current Kit Talk 11-14-2017, 11:59 AM
Replies: 16
Views: 940
Posted By MarkB.
Kinda pricey unless I'm missing something . . ....

Kinda pricey unless I'm missing something . . . .

1 Argentine peso is .57 cents

The V-2 is slightly smaller than BT-70 making it about 18" tall. but at the exchange rate, it's $212.92 U.S.. The...
Forum: Wanted: Dead or Alive! 11-04-2017, 11:00 AM
Replies: 1
Views: 264
Posted By MarkB.
K-41 Mercury Redstone decal sheet

Comrades,

Does anybody have a replacement K-41 decal sheet (for BT-60)? Gordy can't make them anymore and Tom doesn't make that size, so I need to find somebody who has one or a spare that they...
Forum: Scale & Sport Scale Rocketry 10-22-2017, 06:35 AM
Replies: 9
Views: 711
Posted By MarkB.
Thanks, Dave.

Thanks, Dave.
Forum: FreeForAll 10-07-2017, 07:57 AM
Replies: 20
Views: 747
Posted By MarkB.
Cool! It's always fun to learn something new. I...

Cool!

It's always fun to learn something new. I had no idea the government had defined model rocketry.


Astrowolf is correct: 14 CFR 101 et seq. defines amateur rocketry and model aircraft. ...
Forum: FreeForAll 10-06-2017, 07:23 AM
Replies: 20
Views: 747
Posted By MarkB.
Blackshire's right. It doesn't matter what we...

Blackshire's right. It doesn't matter what we think, it's what does the government think. And he's dead-on about "magic words."

Jerry, what exactly is the FAA definition of sustained...
Forum: Wanted: Dead or Alive! 09-28-2017, 11:25 PM
Replies: 6
Views: 651
Posted By MarkB.
Your root is 4" right on the nose. Tip is...

Your root is 4" right on the nose.

Tip is 1.8125"

Thiokol on the decal is a shade more than 1.25" across the top.

Balsa stock is 1/8"

I don't know the length of the wraps. Mine came apart in...
Forum: FreeForAll 09-27-2017, 07:59 AM
Replies: 11
Views: 339
Posted By MarkB.
Well . . . . Just the R-7 would be about $50...

Well . . . .

Just the R-7 would be about $50 million. Seems kind of expensive for a commemoration for a cash-strapped country that is only able to continue its own space program because of massive...
Forum: FreeForAll 09-26-2017, 07:49 PM
Replies: 11
Views: 339
Posted By MarkB.
I think the Russians already have something...

I think the Russians already have something similar planned.

Let me find the link. . . . .
Forum: Wanted: Dead or Alive! 09-06-2017, 07:24 AM
Replies: 2
Views: 348
Posted By MarkB.
Thanks, but I got one. I'll post the modified...

Thanks, but I got one. I'll post the modified scan as soon as I get a few hours to work on them. I'm trying to do a porthole version and a generic orbital version based on the original art.

It's...
Forum: Scale & Sport Scale Rocketry 09-06-2017, 07:18 AM
Replies: 6
Views: 443
Posted By MarkB.
And I don't know if Randy's found it in the...

And I don't know if Randy's found it in the SEMROC stuff yet, but I designed a Shenzhou in the same scale (1/64) as Gordy's Soyuz for Series 20 tubing as BNC-20CZ. Carl sent me one just a few weeks...
Showing results 1 to 25 of 500

 
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