Semroc Body Tube BT-30 3.5"(8.89cm)Long SEM-BT-30A
Spiral Wound Body Tube with Glassine Outer Wrap
OD: 0.767"(1.94cm)
ID: 0.725"(1.84cm)
Thickness: 0.021"(0.053cm)
Made in the USA
Warranty for 1 year from manufacturer defects
Categories
- Ad
- Clearance
- Specials
- Specials 40% Off
- New
- Starter & Launch Sets
- ARC Parts
- Educational Purchases
- SEMROC Rocket Kits
- Aerotech Rockets
- Altaira Rocketry
- ASP Rocket Kits
- Custom Rocket Kits
- Dr Zooch Rocket Kits
- DynaStar Rocket Kits by Apogee
-
Estes Rocket Kits
- Skill Level 1 Beginner
- Skill Level 2 Intermediate
- Skill Level 3 Advanced
- Skill Level 4 Expert
- Skill Level 5 Master
- Pro
- Estes Accessories
- Estes Parts
- Upgrade Kit for the Estes Pro Jayhawk 9731
- Upgrade parts for Estes Mini A Heli
- Upgrades for Big Der Red Max 9721
- Upgrades for Pro Big Bertha 9719
- Upgrades for Pro Great Goblin 9724
- Upgrades for Pro Star Orbiter 9716
- LOC Precision Mid/High Power Rocket Kits
- Mad Cow Mid/High Power Rocket Kits
- NewWay Rocket Kits
- North Coast Rocketry(NCR) Rocket Kits
- Odd'l Rockets Rocket Kits
- Public Missiles(PML) Mid/ High Power Rocket Kits
- Quest Rocket Kits
- Rocketarium Rocket Kits
- Shrockets Rocket Kits
- Starlight Rockets
- Wildman Rocketry
- Rocket Motors
-
Parts for Rockets
- Aero Pack Motor Retainers
- Bulk Heads
- DHB Aerospace Rocket Parts
- Transitions
- Baffles
-
Body Tubes
- BT-1+ - 0.246"
- ST-2 - 0.260"
- BT-2 - 0.281"
- BT-2+ - 0.318"
- BT-3 - 0.375"
- BT-4 - 0.448"
- BT-4+ - 0.478"
- BT-5 & ST-5(13mm) - 0.541"
- BT-5+ - 0.585"
- M15-(15mm) - 0.590"
- ST-6 - 0.650"
- BT-20(18mm motor) - 0.736"
- ST-7(18mm motor) - 0.759"
- BT-30 - 0.767"
- BT-20+ - 0.788"
- M20-(20mm) - 0.788"
- ST-8 - 0.908"
- ST-8F - 0.921"
- LT-085 - 0.945"
- BT-50(24mm motor) - 0.976"
- BTH-50(24mm motor) - 0.992"
- M25-(25mm) 0.984"
- ST-9(24mm motor) - 0.998"
- BT-50+ - 1.01"
- BT-51 - 1.011"
- BT-52 - 1.014"
- ST-10 - 1.04"
- ST-11 - 1.17"
- M30-(30mm) - 1.181"
- BTH-52 & LT-115(29mm motor) - 1.21"
- BT-55 - 1.325"
- M35-(35mm) - 1.378"
- BT-58 - 1.54"
- M40-(40mm) - 1.575"
- BTH-38mm - 1.635"
- BT-60 & ST-16 - 1.64"
- BT-65 - 1.796"
- LT-175 - 1.840"
- ST-18 - 1.84"
- BTH-1.88 - 1.88"
- M50-(50mm) - 1.969"
- ST-20 - 2.042"
- BT-70 - 2.217"
- BTH-70 - 2.247"
- BTH-54mm -2.247"
- BT-80 - 2.6"
- BTH-80 - 2.635"
- ST-27 - 2.7"
- BTH-3.0E - 3.000"
- BTH-3.1 - 3.09"
- RT-99 - 3.7"
- BT-100 - 3.744"
- BT-101 - 3.938"
- BTH-4.0 - 3.996"
- BTH-5.5 - 5.54"
- BTH-7.5 - 7.688"
- Clear all sizes
-
Centering Rings
- Fits BT-60(ST-16)& ST-16 tube
- Fits BT-1+ tube
- Fits BT-2 tube
- Fits BT-3 tube
- Fits BT-4 tube
- Fits BT-5 tube
- Fits BT-20 tube
- Fits ST-7 tube
- Fits ST-8 tube
- Fits ST-8F tube
- Fits BT-50 & BTH-50 tube
- Fits BTH-50(24mm)
- Fits ST-9 tube
- Fits ST-10 tube
- Fits ST-11 tube
- Fits BTH-52 & LT-115(29mm) tube
- Fits ST-18 tubes
- Fits BT-55 tube
- Fits ST-13 tube
- Fits T-1.88"H tube
- Fits BT-56 tube
- Fits ST-20 tube
- Fits T-38mmH tube
- Fits BT-58 tube
- Fits T-2.0" tube
- Fits BT-60 & ST-16 tube
- Fits BT-70 & BTH-70 tube
- Fits LT-175 tube
- Fits ST-27 tube
- Fits T-54mm tube
- Fits T-2.5" tube
- Fits BT-80 & BTH-80 tube
- Fits T-3.0"H tube
- Fits 3.1" tube
- Fits BT-100 tube
- Fits BT-101 & T-4.0" tubes
- Fits T-5.5" tube
- Fits T-7.5" tube
- Quest Metric
- For Semroc Kits
-
Couplers
- Fits BT-60(ST-16)& ST-16 tube
- Fits BT-3 tube
- Fits BT-4 tube
- Fits BT-5 & ST-5 tube
- Fits ST-6 tube
- Fits BT-20 tube
- Fits ST-7 tube
- Fits BT-30 tube
- Fits BT-40 tube
- Fits ST-8 tube
- Fits ST-8F tube
- Fits LT-085 tubes
- Fits ST-9 tube
- Fits BT-50 & BTH-50 tube
- Fits BT-52 tube
- Fits ST-10 tube
- Fits ST-11 tube
- Fits LT-115 & BT-52H tubes
- Fits BT-55 tube
- Fits ST-13 tube
- Fits BT-58 tube
- Fits BT-60 & ST-16 tube
- Fits LT-175 tube
- Fits ST-18 tubes
- Fits T-1.88"H tube
- Fits ST-20 tube
- Fits BT-70 & BTH-70 tube
- Fits BT-80 & BTH-80 tube
- Fits BT-3.0"H tube
- Fits BT-100 tube
- Fits BT-101 tube
- Fits T-4.0"H tube
- Fits T-5.5 tube
- Fits T-7.5" tube
- Fits BTH-54mm tube
- Decal Making
- Decals for Kits
- Dowels
- Engine Hooks
- Fin Sheets of Balsa
- Fins
- Hardware/Metal Parts
- Instructions
- Launch Lugs, Buttons & Guides
- Motor Adaptors
- Motor Blocks
- Motor Casings
- Motor Mount.
- Motor Retention
-
Nose Cones
- Fits BT-2 tubes
- Fits BT-3 tube
- Fits BT-4 tube
- Fits BT-5 & ST-5 tube
- Fits ST-6 tube
- Fits BT-19 tube
- Fits BT-20 tube
- Fits ST-7 tube
- Fits BT-30 tube
- Fits BT-40 tube
- Fits ST-8 tube
- Fits ST-8F tube
- Fits BT-50 tube
- Fits ST-9 tube
- Fits BT-51 tube
- Fits BT-52 tube
- Fits ST-10 tube
- Fits ST-11 tube
- Fits BT-55 tube
- Fits LT-125 tube
- Fits ST-13 tube
- Fits BT-56 tube
- Fits BT-58 tube
- Fits BT-60 & ST-16 tube
- Fits BT-65 tube
- Fits ST-18 tube
- Fits BTH-1.9" tube
- Fits ST-20 tube
- Fits BT-70 tube
- Fits BTH-70 tube
- Fits BT-80 tube
- Fits BTH-80 tube
- Fits BTH-3.1" tube
- Fits BTH-101 or BTH-4.0" tube
- Fits BTH-5.38" tube
- Fits BTH-3.9" tube
- Fits BTH-7.51" tube
- Fits LT-085 Tubes
- Fits LT-115 or BTH-52 Tubes
- Fits LT-175 Tubes
- Fits BT-10 & BT-20 Tubes
- Fits BTH-38mm Heavy Walled Tube
- Fits M15 tube(BC-T15)
- Fits M20 tube(BC-T20)
- Fits M25 tube(BC-T25)
- Fits M30 tube(BC-T30)
- Fits M35 tube(BC-T35)
- Fits M40 tube(FNC-T40)
- Recovery Devices
- Screw Eyes
- Shock Cords - Kevlar - Elastic - Nylon
- Shrouds & Pattern Sheets
- Specialty Parts
- Tail Cones
- Tools to build kits
- Transitions Reducers
- Weights
- Wraps - Body
- Tools, Accessories, Other Stuff
-
Finishing Supplies
- Applicators
- Gundam Spray Painting and Paint Markers
- Mission Models Clear & Thinner
- Mission Models Metalics
-
Mission Models Paints
- Allied Armor USA
- Basics
- British Aircraft WWII
- British Armor WWII
- Color Changing
- Flats
- Gaming Fantasy Sci-fi
- German Aircraft WWII
- German Armor WWII
- Gloss
- Heavy Equipment & Automotive
- Japanese Aircraft WWII
- Metallics
- Modern Armor
- NATO
- Olive
- Pearl and Iridescent
- Russian
- Transparents
- US Modern Aircraft & WWII
- US Navy Ships
- Weathering Colors
- Mission Models Primer
- Mission Models Weathering
- Putty & Filler
- Sanding Sealer
- Spray Clears
- Tamiya Spray Paint
- Testors Sprays
- Miscellaneous
- Air Rockets
- Water Rockets
- Plastic Models
- Apparel
- Bandai Figures
- Kites
- Wright Stuff Rocketeers Section Items
- Gift Items
- Other
- Humor Only
- Skill Level
- Attributes
Navigate
- Buying an eRockets Gift Certificate
- View Products
- Visit eRockets
-
References
- Dayton Area Motor Vendors
- Past Semroc Kit Instructions
- Product Advisories and Recalls
- the Rocketry Show - the Model Rocket Show
- Beginners guide to rocketry
- Body Tube Sizes
- Body Tube/ Centering Ring Measuring Guide
- Parachute Sizes to Rocket Weight by Top Flight
- Shroud Calculator for making paper transition shrouds
- Trimming Your Gliders
- Rocketry Organizations & Launch Schedules
- Open Rockets
- Rocket Plans & Instructions
- Using eRockets Prusa Printer
- RSS Syndication
- Contacts
- Educators
- News
- About eRockets
- Blog
- Policies
