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by bjt4888
August 15th, 2019, 6:11 pm
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Great 2020 discussions! My teams are in the process of developing prototype ideas. J&H kit based on draft rules is interesting. Agree with Coach Chuck that thin CA creates lighter and stronger joints. It’s a little more difficult to place accurately though and is best if joints are high quality ...
by bjt4888
June 19th, 2019, 9:44 pm
Forum: Wright Stuff C
Topic: Pennyplane Discussion
Replies: 10
Views: 1709

Re: Pennyplane Discussion

GHS “plain steel” guitar string is excellent shaft wire. If not available in your local store, order from Elderly Instruments online. Cut it to length, debut the ends and then, spin slowly in your fingers to detect slight curvature and remove curvature by bending by stroking the length gently. Sever...
by bjt4888
June 19th, 2019, 7:17 am
Forum: Wright Stuff C
Topic: Pennyplane Discussion
Replies: 10
Views: 1709

Re: Pennyplane Discussion

Builder, Bill Gowen did a sequential step diagram for the wing tip. I’m thinking that it is in Hip Pocket. Sorry, I am not home right now and don’t have the best internet connection (on safari in Africa). You can make your own propeller mold in a couple hours using the Hobby Shopper method. I “plank...
by bjt4888
June 9th, 2019, 10:42 am
Forum: Wright Stuff C
Topic: 2020 Wright Stuff Parameters
Replies: 32
Views: 2754

Re: 2020 Wright Stuff Parameters

K,

You will get good feedback by starting a build and fly thread on HPA. Be sure to read all of the existing HPA LPP threads first (probably you’ve already done this).

Brian T
by bjt4888
June 8th, 2019, 5:43 pm
Forum: Wright Stuff C
Topic: 2020 Wright Stuff Parameters
Replies: 32
Views: 2754

Re: 2020 Wright Stuff Parameters

I agree with Coach Chuck, Bill’s carbon penny is very good and not that much more effort to build than the Cezar Banks design.
by bjt4888
June 8th, 2019, 7:08 am
Forum: Wright Stuff C
Topic: 2020 Wright Stuff Parameters
Replies: 32
Views: 2754

Re: 2020 Wright Stuff Parameters

Builder, Also, see the video in this thread. Indoor junior F1D team member building a LPP in a little more than an hour. https://www.hippocketaeronautics.com/hpa_forum/index.php?topic=14791.0 You will see that much of the Cezar Banks LPP thread is too basic for an experienced WS flier, but a number ...
by bjt4888
June 8th, 2019, 6:27 am
Forum: Wright Stuff C
Topic: 2020 Wright Stuff Parameters
Replies: 32
Views: 2754

Re: 2020 Wright Stuff Parameters

Builder, Try this one: https://www.hippocketaeronautics.com/hpa_forum/index.php?topic=16691.0 There are a number of good basic designs, but as there is a Hip Pocket Aero build thread on this design, would help with questions. Also try Bill Gowen’s (Olbill on Hip Pocket) carbon rod hub flaring propel...
by bjt4888
June 4th, 2019, 4:21 pm
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Jeff, My teams use the Freedom Flight kit as a starting point. We use the kit parts to build a custom design that borrows from many others. In Michigan, I believe that it is not possible to win States without successful custom elements. I like that the kits available raise the level of performance. ...
by bjt4888
June 3rd, 2019, 3:59 pm
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Scott,

Great job in WS! Your airplane probably had 4:20 in it except for the bad luck with the curtain.

Brian T
by bjt4888
June 3rd, 2019, 7:22 am
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

K, Not sure which team you represented, but also congratulations to you and your team. I’m sure you did well. Also, great job on the forum this year. Your pertinent questions and answers to fellow students demonstrated high level critical thinking; very beneficial to all of the forum participants. B...
by bjt4888
June 3rd, 2019, 7:17 am
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Northville and Ann Arbor Pioneer,

Congratulations to both of your Wright Stuff teams on the great flying and great overall team results. You both represented the state of Michigan well.

Brian T
by bjt4888
June 3rd, 2019, 7:14 am
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Crayola,

Congrats on the excellent flight!

Brian T.
by bjt4888
June 2nd, 2019, 8:41 am
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Coach Chuck, Super job by your team to become repeat National Champions in the flying event! Great job pursuing the event to the limit and great job contributing excellent assistance to the forum again. +++++++++++++++++++++++ Now that Nationals are over, I am ready to share a little info on our bes...
by bjt4888
May 20th, 2019, 7:27 am
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Fred Rash, not Fern Rash.
by bjt4888
May 20th, 2019, 6:29 am
Forum: Wright Stuff C
Topic: Wright Stuff C
Replies: 796
Views: 48225

Re: Wright Stuff C

Balsa, We use the Bernie Hunt NP/Design spreadsheet. Fern Rash also has published a good one. Both are available in the Yahoo Group “Indoor_Construction” in the Files section. Bernie’s sheet doesn’t calculate CG perfectly for heavy airplanes like we use for SO but we “trick” the spreadsheet by enter...

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