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  #131  
Old 03-06-2020, 05:45 PM
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mikeyd mikeyd is online now
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Quote:
Originally Posted by Jerry Irvine
Our standard BT-11 tube lengths are 12, 8, 6, 4. Which one is good?

In my opinion, as 4.5 in of the motor mount tube, extend out the back of the "Drive" assy. 8 in is too short. To allow for ducting 12in is too long, but I think you need to supply that length and let the builder shorten it to 10, or in my case 9in length.
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  #132  
Old 03-06-2020, 05:55 PM
Les Les is offline
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Quote:
Originally Posted by mikeyd
In my opinion, as 4.5 in of the motor mount tube, extend out the back of the "Drive" assy. 8 in is too short. To allow for ducting 12in is too long, but I think you need to supply that length and let the builder shorten it to 10, or in my case 9in length.


Agree!. I shortened mine, but the 8" would have been too short. Let the builder cut to desired length.
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  #133  
Old 03-08-2020, 09:04 AM
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Jerry Irvine Jerry Irvine is offline
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So give 12 recommend 9 then. Thanks all.

Kit guys always try to give parts that are net shape and length. But for a "builders kit" like this, I am willing to compromise on a couple parts. Cutting one tube shorter is fine. Sanding a couple nose cones to offset the lack of availabiltiy of true shape cones is a fair compromise.

Jerry
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