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🚀 Nail your rocket fins like a pro — because precision is the new cool!
The Estes 2231 Fin Alignment Guide is a precision plastic tool designed to hold and align three or four fins on model rocket tubes ranging from BT-20 to BT-80. Compatible with 3/32" and 1/8" thick balsa, basswood, or plywood fins, it ensures fast, accurate fin placement, eliminating common alignment errors. Trusted by hobbyists and educators alike, it supports safe, professional-quality rocket building and STEM learning.
| ASIN | B004LGXCLI |
| Additional Features | Fast & accurate fin alignment, Suitable for three or four finned rockets |
| Age Range (Description) | Kid |
| Age Range Description | Kid |
| Art Craft Kit Type | Model Rocketry |
| Brand | Estes |
| Brand Name | Estes |
| Color | Assorted |
| Customer Reviews | 4.5 out of 5 stars 1,636 Reviews |
| Global Trade Identification Number | 00047776022317 |
| Included Components | SUPPLIES.SCIENCE EDUCATION.MODELS.ROCKETS/ACCESSORIES |
| Item Dimensions | 12 x 3 x 6 inches |
| Item Type Name | Model Rockets |
| Item Weight | 0.25 Pounds |
| Item dimensions L x W x H | 12 x 3 x 6 inches |
| Manufacturer | Estes |
| Manufacturer Part Number | 2231 |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | Fin Alignment Guide |
| Model Number | 2231 |
| Number of Pieces | 1 |
| Seasons | All Seasons |
| Size | Medium |
| Subject Character | (-) |
| Theme | Model Rocket Kit |
| UPC | 047776022317 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Warranty Against Manufacturer Defects |
R**T
Great little tool that makes installing fins on rocket tube infinitely easier.
Cheap and effective. I wish I had this when I was a kid. 90% of the time when I had a problem with model rockets as a kid it was because of fin alignment, and this goes a long way towards eliminating that problem with model rocket kits that need balsa wood fins attached to a cardboard tube. I have built several kits with my son and have had no problem with fin alignment. You still have to be careful, but this eliminates the guessing and trying to line up measurements on a curved surface so everything is straight and spaced evenly.
R**D
Works well
Great product.
A**E
Works well to alaign fins.
Works well, helps grandson line up fins correctly.
C**D
a rocket builder's basic tool
Easy to use to insure that the fins are accurately placed.
D**R
Very helpful on installment of fins
This is a good jig for installing fins. I recommend using clothes pins instead of Estes clips that come with the jig. I just find it easier to to adjust the alignment.
A**R
this device is a pain to use hard to keep center
It is harder to lineup fins with this device than to just to free hand it
K**S
worth it
I was unsure how useful it would be based on some of the reviews, but I tried i immediately today on a Big Bertha very successfully. the technique is basically to let one fin set up first and then attach the others. not perfect, but does what it says. recommended if you build a lot of rocket kits.
C**C
A dad's best friend
Worked great to help align the fins and act as my 3rd and 4th hands
D**E
The four fin arrangement works great, but I seem to be on a 3 ...
I'd have given it a star or two more if one of the backets on the three fin arrangement wasn't loose. Causes these rockets to fly with bit of a wobble. The four fin arrangement works great, but I seem to be on a 3 fin kick.
A**E
Macht was es soll !
Viele Jahre habe ich die Flossen meiner Modellraketen mit Augenmaß und Flosse für Flosse angeklebt, was doch recht mühsam und Zeitaufwändig war. Jetzt geht es in einen rutscht. Ich habe das Teil auf ein Brett montiert was ein umkippen vermeidet. Die mitgelieferten Adapter passen gut bei normalen Flossen, ich habe mir noch eigene Adapter aus alten Motoren gebaut um noch flexibler zu sein, mittlerweile möchte ich das Teil nicht mehr missen.
Trustpilot
1 month ago
2 weeks ago