Hong Kong RC Sailplane Forum 香港滑翔機發燒友論壇

Slingshot DLG
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Author:  Y C Lui [ 17 Jun 2004 10:48 pm ]
Post subject:  Slingshot DLG

Alan 係 DLG 迷﹐砌完隻沙樂美又即刻裝隻 Slingshot.勁﹗



Author:  Patrick [ 18 Jun 2004 02:51 pm ]
Post subject: 

Hi there,

This time seems get a lot competitors with different types of DLG, should be a real exciting race next time, would you mind to tell me the airfoil type, Y.C./Alan?? :oops:


Author:  Patrick [ 18 Jun 2004 03:20 pm ]
Post subject:  Strong Competitor

Hey George/Paul.....

You've got mail???? no no no.... You've got a strong competitoooooor................ Alan + Slingshot ... :? :? :idea: exciting exciting


Author:  Alan Chan [ 18 Jun 2004 05:10 pm ]
Post subject: 

Dear Patrick,

I'm just a new comer in DLG.
Need advice from your fellow masters indeed.

For the German Slingshot, you may refer to the following web site:


Slingshot is using the AG45/47 airfoil developed by Dr. Mark Drela. This is a very thin airfoil with flat bottom.

Alan Chan

Author:  Patrick [ 18 Jun 2004 05:49 pm ]
Post subject: 

No, no, no, no, Alan, I don't think they agree the word 'master', we are all just new on that, specially me, I even cannot fly good, you will see next time when you see me fly a plane :wink: :wink: :wink:
As I know, that Mr drela, he designed to use AG47 & 45, but it has a AG46 in between and that is one of the difficult parts to build,
I've spent 2 weeks time to sort it out.
According to your picture, your slingshot is ready to fly, right? when and where you will have a trail, I hope I can go with you n Y.C. :lol:

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