Looking for Estes Astron Explorer fin data
Anyone got the dimensions/shape? Either numbers or a pic with ruler would be helpful. I’m trying to sim it and I can’t find any Rocksim/OpenRocket files.
Thanks much! |
There’s a scan of the fins on the Ashasta site but no ruler for reference http://ashasta-sadie.com/2021/02/11/astron-explorer/
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astron explorer fin
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A few photos
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Just what I needed - Thanks very much!
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1 Attachment(s)
OpenRocket (22.2.beta.5) file attached. Internet tells me the BT-20 pod tubes are 12 inches long, hoping that's right. Had to leave off the plastic tail cone as i have no specs for that, but inserted a mass object at the CG to bring the weight up to the value on the face card.
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I can confirm the pod tubes are 12" long.
The instructions list the lower detail cone as part no. 071044. Exposed length is 6.5", shoulder length is 1", taper under shoulder is 3/8" in length. Tail cone is part no. 072690. Exposed length 11/16", shoulder is 1/4". Rear taper diameter is 1-1/8". |
1 Attachment(s)
Here is a full size PDF extracted from the Estes instruction sheet. It is 4 in wide balsa. I did rearange the fins to fit on std 8.5x11 paper
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