OHM Velcro Rockets v1.11

Lisias · Oct 29, 2015

dropsofjupiter34 said:
Is it possible to create the Atlas II and Atlas III rockets using Velcro items?

I don't know (yet) about fairings, but about the other stages, yes, you can do them using Velcro. All you need is the MESH and the handmake CFG file - and a lot of testing, some details are a bit hard to get right.

If you are using 2010P1, you can use my custom version, but I recommend to use the stock one too for testing before publishing (and if you find any bug, please report it to me).

Lisias · Nov 15, 2015

Kyle said:
There are some problems, like for example whenever the HUD is activated in internal view immediately results in a CTD, and whenever boosters and fairings separate they appear a kilometer or so below the vehicle, but all things considered it works fairly well.

This os probably due Velcro using GDI for drawing. Adapting it to use Sketch would solve this issue.

---------- Post added at 02:10 PM ---------- Previous post was at 01:53 PM ----------

dropsofjupiter34 said:
Is it possible to create the Atlas II and Atlas III rockets using Velcro items?

How stupid of me.

Giving a peek on the Barbarian Scenario (from Velcro), I found:

Code:

BEGIN_SHIPS
Delta-Stg2:Velcro/D7000Stg1NoInt
  STATUS Landed Earth
  BASE Cape Canaveral:6
  HEADING 095.00
  TGT_HEADING 095.0
  FUEL 1.000
  CONFIGURATION 0
  FAIRING 3 2.0 5.0 0.0 0.2
  PAYLOAD Interstage Velcro/Parts/Int8_10 Velcro/Parts/Int8_10 0 0 16.85 200.0 0 0.0 1.0
  PAYLOAD probe probe probe 0 0 20.0 45400.0 0 0.0 1.0
  PAYLOAD Fairing2 Velcro/Parts/Fairing615b Velcro/Parts/Fairing615b 0.0 0.0 22.25 1500.0 0 0.0 1.0
  PAYLOAD Fairing1 Velcro/Parts/Fairing615a Velcro/Parts/Fairing615a 0.0 0.0 22.25 1500.0 0 0.0 1.0
  PAYLOAD Fairing3 Velcro/Parts/Fairing615c Velcro/Parts/Fairing615c 0.0 0.0 22.25 1500.0 0 0.0 1.0
END

And on the Fairing615a.cfg file, I found:

Code:

ClassName=Fairing2_1
Module = Mayfly
MeshName=Velcro/Parts/Fairing614b
 
LifeTime = 120.0
MaxCamDistance = 50000.0
EnableFocus = FALSE

Fairings in Velcro implemented as a [ame="http://www.orbithangar.com/searchid.php?ID=2155"]Mayfly[/ame] module.

(Screenshot from the Delta/Barbarian sample Scenario)

rseferino · Feb 15, 2016

A query. How can you increase the height of a rocket from the ground? for example, a Zenit this ground level to, say, 20 meters high? :sos:

orbitingpluto · Feb 15, 2016

rseferino said:
A query. How can you increase the height of a rocket from the ground? for example, a Zenit this ground level to, say, 20 meters high? :sos:

Adding a PADBIAS line in the scenario file to the bottom-most stage is the simplest way to move it higher. There's more info on page 9 of the Velcro Rockets pdf.

Pipcard · Feb 16, 2016

Except it resets to "PADBIAS 1.00" if you make a quicksave or save the current scenario.

Lisias · Feb 21, 2016

Kyle said:
I know sputnik didn't design this addon with the new Beta in mind, but I've found that this addon works reasonably well with it. There are some problems, like for example whenever the HUD is activated in internal view immediately results in a CTD, and whenever boosters and fairings separate they appear a kilometer or so below the vehicle, but all things considered it works fairly well.

Some glitches I found on the (totally excellent) Velcro DLL was solved by just recompiling it on a new OrbiterSDK. That's what I did to "solve" the smoke problem that I even knew it existed at all until a fellow Orbiter mentioned it (Velcro was my entry point to Orbiter development and I'm using my custom version since them).

ZacharyS41 · Mar 27, 2016

I figured out how to create the Atlas II rocket, but when I open the scenario containing that rocket, it's laying horizontally on the ground when it should be vertical.

I'll post the scenario file I made.

---------- Post added at 03:14 PM ---------- Previous post was at 03:13 PM ----------

BEGIN_DESC
The Atlas IIA launch vehicle
END_DESC

BEGIN_ENVIRONMENT
System Sol
Date MJD 59602.629167
END_ENVIRONMENT

BEGIN_FOCUS
Ship AtlasIIA
END_FOCUS

BEGIN_CAMERA
TARGET AtlasIIA
MODE Extern
POS 9.73 -0.51 -123.30
TRACKMODE TargetRelative
FOV 50.00
END_CAMERA

BEGIN_HUD
TYPE Surface
END_HUD

BEGIN_MFD Left
TYPE Surface
END_MFD

BEGIN_MFD Right
TYPE Orbit
PROJ Ship
REF Earth
END_MFD

BEGIN_SHIPS
AtlasIIA:Velcro/AtlasIIAstg1
STATUS Landed Earth
BASE Cape Canaveral:6
HEADING 270.00
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 50.0
MINPITCH 15.0
Fairing 2 2.0 0.0 -2.0 0.0
STAGE DECentaurA Velcro/EELV/DECentaur Velcro/AtlasVDECentaurA 0 0 18.70 16805.0 0.0 1.0
PAYLOAD Carina Carina Carina 0 0 25.85 3039.0 0.0 1.0
ENDSTAGE
PAYLOAD Fair1 AtlasIIACVEL/AtlasIIAplf2 Velcro/Parts/AtlasIIAplf2 1.01 0 29.45 875.0 0 0.0 1.0
PAYLOAD Fair2 AtlasIIACVEL/AtlasIIAplf1 Velcro/Parts/AtlasIIAplf1 -1.01 0 29.45 875.0 0 0.0 1.0
END
AtlasIIABooster:Velcro/AtlasIIAboost
STATUS Landed Earth
BASE Cape Canaveral:6
HEADING 270.00
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
BOOSTERBURN 0 AtlasIIA 0.61 0.0 0.0 -6.7 0.0 1.0 0.0
END
END_SHIPS

Lisias · Mar 27, 2016

dropsofjupiter34 said:
I figured out how to create the Atlas II rocket, but when I open the scenario containing that rocket, it's laying

If you launch the vehicle, it goes upwards as expected, ignore the mesh attitude, or it runs on the ground?

Had you set the PRIMEBUSTER?

(I think the problem in on the vessel's CFG file, no the Scenario)

ZacharyS41 · Mar 27, 2016

The vehicle runs on the ground.

Lisias · Mar 28, 2016

dropsofjupiter34 said:
The vehicle runs on the ground.

It's a blind shot, but it appears that you forgot to define who will be the PRIMEBOOSTER on the stack. Without a PRIMEBOOSTER, the booster attachments can not rotate from the default definition at deploy.

try putting "PRIMEBOOSTER 1" on the Atlas definition and see what happens.

rseferino · Jun 10, 2016

A question:
you can place two secondary payloads using PAYATCH? for example:

Code:

END
S-IVb:Velcro/s4b
  STATUS Landed Earth
  BASE Cape Canaveral:6
  HEADING 0.00
  TGT_HEADING 095.0
  FUEL 1.000
  CONFIGURATION 0
  CAMERA 0 0 40.0
  SLA 4 -2.0 2.0 0.0
  PAYLOAD Ring Velcro/Parts/S4b_upr_transition Velcro/Parts/S4b_upr_transition 0 0 0.0 0.0 0 0.0 1.0
  PAYLOAD SLA1 Velcro/Parts/SLA01 Velcro/Parts/SLA01 0 0 -52.0 3500.0 0 0.0 1.0
  PAYLOAD SLA2 Velcro/Parts/SLA02 Velcro/Parts/SLA02 0 0 -52.0 3500.0 0 0.0 1.0
  PAYLOAD SLA3 Velcro/Parts/SLA03 Velcro/Parts/SLA03 0 0 -52.0 3500.0 0 0.0 1.0
  PAYLOAD SLA4 Velcro/Parts/SLA04 Velcro/Parts/SLA04 0 0 -52.0 3500.0 0 0.0 1.0
  SERIESBURN 0 AS-506 0.0 0.0 -8.2 0.0 1.0 0.0 
[COLOR=Red]  PAYATCH AS-506_LM_vessel 0.0 5.5 0.0  0.0 -1.0 0.0  1.0 0.0 0.0
  PAYATCH CM1 0.0 -0.0 11.0  0.0 -1.0 0.0  0.0 0.0 0.0[/COLOR]
END

I want the LM and the payload CM1, are joined to SIVB. As I am doing the payload CM1 is "lying on the floor" under the rocket, if I remove the LM, the payload CM1 are placed on the site I want.

Add-on:
AMSO
Velcro Rocket [ame="http://www.orbithangar.com/searchid.php?ID=3388"]Velcro Rockets v1.11[/ame]
Velcro Saturn [ame="http://www.orbithangar.com/searchid.php?ID=3389"]Velcro Saturns v1.11[/ame]
StationMods [ame="http://www.orbithangar.com/searchid.php?ID=4043"]StationMods[/ame]

Lisias · Jun 11, 2016

rseferino said:
A question:
you can place two secondary payloads using PAYATCH? for example:

No for sure, I checked the code. There's a place for only one payload attachment, and if you add more than one PAYATCH line, the new one ovewrwrites the previous on the internal data structures.

Perhaps you can attach multiple invisible carriers on the same location, each one with its own PAYATCH?

rseferino · Jun 13, 2016

With PAYATCH even placing:

PAYATCH AS-506_LM_vessel 0.0 5.5 0.0 0.0 -1.0 0.0 1.0 0.0 0.0
PAYATCH CM1 0.0 -0.0 11.0 0.0 -1.0 0.0 0.0 0.0 0.0

or

PAYATCH CM1 0.0 -0.0 11.0 0.0 -1.0 0.0 0.0 0.0 0.0
PAYATCH AS-506_LM_vessel 0.0 5.5 0.0 0.0 -1.0 0.0 1.0 0.0 0.0

CM1 always appears on the floor and LM in position.

Lisias · Jun 20, 2016

rseferino said:
CM1 always appears on the floor and LM in position.

Interesting... A least on my code, the new PAYATCH directive will always overwrite the previous one. But this is meaningless anyway, you can have only *ONE* payload on the module.

Try stacking up invisible, weightless carriers on the place you want the payloads - each carrier would have one payload attached.

Or, better yet, build a subcarrier to be the payload on your module - and place the payloads on the subcarrier. This will make Velcro happy and it's probably the easier way out anyway.

UCGO appears to the way to go for you about this issue.

ZacharyS41 · Jul 1, 2016

I'm trying to create a Velcro Pegasus rocket with the B-52 that was part of the Project X-15 addon, but the Pegasus is facing downwards when it should be horizontal. Here's the scenario info.

BEGIN_DESC
The Pegasus launch vehicle.
END_DESC

BEGIN_ENVIRONMENT
System Sol
Date MJD 39602.629167
END_ENVIRONMENT

BEGIN_FOCUS
Ship B-52_8
END_FOCUS

BEGIN_CAMERA
TARGET B-52_8
MODE Extern
POS 9.73 -0.51 -123.30
TRACKMODE TargetRelative
FOV 50.00
END_CAMERA

BEGIN_HUD
TYPE Surface
END_HUD

BEGIN_MFD Left
TYPE Surface
END_MFD

BEGIN_MFD Right
TYPE Orbit
PROJ Ship
REF Earth
END_MFD

BEGIN_SHIPS
Pegasus-Stg3:Velcro/Orion38
STATUS Orbiting Earth
RPOS 4475003.674 2416608.437 3856639.649
RVEL -48.637 -312.027 253.197
AROT -101.43 -39.95 58.88
VROT 0 0 0
HEADING 238.0
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
PAYLOAD Carina Carina Carina 0 0 1.4 455.0 0 0.0 1.0
END
Pegasus-Stg2:Velcro/Orion50
STATUS Orbiting Earth
RPOS 4475003.674 2416608.437 3856639.649
RVEL -48.637 -312.027 253.197
AROT -101.43 -39.95 58.88
VROT 0 0 0
HEADING 238.0
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
Fairing 2 1.0 0.0 -1.0 0.0
SERIESBURN 0 Pegasus-Stg3 0.0 0.0 -0.9 0.0 1.0 0.0
PAYLOAD Fair1 MinotaurPLF1 MinotaurPLF1 0 0 3.0 85.0 0 0.0 1.0
PAYLOAD Fair2 MinotaurPLF2 MinotaurPLF2 0 0 3.0 85.0 0 0.0 1.0
END
Pegasus-Stg1:Velcro/Orion50S
STATUS Orbiting Earth
RPOS 4475003.674 2416608.437 3856639.649
RVEL -48.637 -312.027 253.197
AROT -101.43 -39.95 58.88
VROT 0 0 0
ATTACHED 0:0,B-52_8
HEADING 238.0
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
SERIESBURN 0 Pegasus-Stg2 0.0 0.0 -8.0 0.0 1.0 0.0
END
B-52_8:Spacecraft\Spacecraft3
STATUS Landed Earth
POS -80.6865147 28.5915617
HEADING 330.01
PRPLEVEL 0:1.000
NAVFREQ 94 481
END
END_SHIPS

ZacharyS41 · Aug 5, 2016

Is it possible to keep a booster attached to the rocket for a few seconds after burnout before separating it?

I'm talking about a DELAYJETT type code.

sputnik · Aug 5, 2016

dropsofjupiter34 said:
Is it possible to keep a booster attached to the rocket for a few seconds after burnout before separating it?

I'm talking about a DELAYJETT type code.

No, that doesn't make much sense (wastes delta-V) and I never found a real-world application that required it, so I never made anything like that.
Out of curiosity, what IS the application?

---------- Post added at 09:09 AM ---------- Previous post was at 09:08 AM ----------

Sorry; missed this. I'm away from my Orbiter machine, but take a look at the X-15/Blue Scout add-on, specifically the configs. As I recall, the orientation of the B-52 pylon is not intuitive; you'll need to change the orientation of the part of the Pegasus you're attaching to in order for it to work.

dropsofjupiter34 said:
I'm trying to create a Velcro Pegasus rocket with the B-52 that was part of the Project X-15 addon, but the Pegasus is facing downwards when it should be horizontal. Here's the scenario info.

BEGIN_DESC
The Pegasus launch vehicle.
END_DESC

BEGIN_ENVIRONMENT
System Sol
Date MJD 39602.629167
END_ENVIRONMENT

BEGIN_FOCUS
Ship B-52_8
END_FOCUS

BEGIN_CAMERA
TARGET B-52_8
MODE Extern
POS 9.73 -0.51 -123.30
TRACKMODE TargetRelative
FOV 50.00
END_CAMERA

BEGIN_HUD
TYPE Surface
END_HUD

BEGIN_MFD Left
TYPE Surface
END_MFD

BEGIN_MFD Right
TYPE Orbit
PROJ Ship
REF Earth
END_MFD

BEGIN_SHIPS
Pegasus-Stg3:Velcro/Orion38
STATUS Orbiting Earth
RPOS 4475003.674 2416608.437 3856639.649
RVEL -48.637 -312.027 253.197
AROT -101.43 -39.95 58.88
VROT 0 0 0
HEADING 238.0
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
PAYLOAD Carina Carina Carina 0 0 1.4 455.0 0 0.0 1.0
END
Pegasus-Stg2:Velcro/Orion50
STATUS Orbiting Earth
RPOS 4475003.674 2416608.437 3856639.649
RVEL -48.637 -312.027 253.197
AROT -101.43 -39.95 58.88
VROT 0 0 0
HEADING 238.0
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
Fairing 2 1.0 0.0 -1.0 0.0
SERIESBURN 0 Pegasus-Stg3 0.0 0.0 -0.9 0.0 1.0 0.0
PAYLOAD Fair1 MinotaurPLF1 MinotaurPLF1 0 0 3.0 85.0 0 0.0 1.0
PAYLOAD Fair2 MinotaurPLF2 MinotaurPLF2 0 0 3.0 85.0 0 0.0 1.0
END
Pegasus-Stg1:Velcro/Orion50S
STATUS Orbiting Earth
RPOS 4475003.674 2416608.437 3856639.649
RVEL -48.637 -312.027 253.197
AROT -101.43 -39.95 58.88
VROT 0 0 0
ATTACHED 0:0,B-52_8
HEADING 238.0
TGT_HEADING 095.0
FUEL 1.000
CONFIGURATION 0
CAMERA 0 0 40.0
SERIESBURN 0 Pegasus-Stg2 0.0 0.0 -8.0 0.0 1.0 0.0
END
B-52_8:Spacecraft\Spacecraft3
STATUS Landed Earth
POS -80.6865147 28.5915617
HEADING 330.01
PRPLEVEL 0:1.000
NAVFREQ 94 481
END
END_SHIPS

DaveS · Aug 5, 2016

sputnik said:
No, that doesn't make much sense (wastes delta-V) and I never found a real-world application that required it, so I never made anything like that.

Real world application: Delta II launches from Space Launch Complex 2-West (SLC-2W) at Vandenberg AFB. Delta IIs launched from there hung on to their GEM-40's well after burn-out to clear several off-shore oil platforms. Here's the launch events timeline for Delta 357 which launched NPOESS Preparatory Project spacecraft in October 2011: http://spaceflightnow.com/delta/d357/ascent.html

sputnik · Aug 5, 2016

DaveS said:
Real world application: Delta II launches from Space Launch Complex 2-West (SLC-2W) at Vandenberg AFB. Delta IIs launched from there hung on to their GEM-40's well after burn-out to clear several off-shore oil platforms. Here's the launch events timeline for Delta 357 which launched NPOESS Preparatory Project spacecraft in October 2011: http://spaceflightnow.com/delta/d357/ascent.html

Wow, thanks. I did not know that, and I used to work on Delta II. In my defense, there were no V-Berg launches during my tenure.

I thought perhaps it might be possible to use a "Become = " to make a config that's also Velcro, same mesh, but has 1N thrust, a few seconds propellant, and the PARALLELBURN command to hook it back on until it burns out and separates. I'm not sure that would work...but it might.

ZacharyS41 · Aug 11, 2016

sputnik said:
Sorry; missed this. I'm away from my Orbiter machine, but take a look at the X-15/Blue Scout add-on, specifically the configs. As I recall, the orientation of the B-52 pylon is not intuitive; you'll need to change the orientation of the part of the Pegasus you're attaching to in order for it to work.

How should I change the orientation? I'm not an expert in changing the Orbiting Earth RPOS, RVEL, AROT, or VROT. I'm only good at the Landed Earth part.

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