Designs

SLM
Member
Member
Posts: 195
Joined: January 31st, 2009, 2:24 pm
Division: Grad

Re: Designs

Post by SLM » May 10th, 2011, 1:25 pm

havenguy wrote:How would Z's without horizantal braces work?
We have not tried that pattern yet. I suspect it will do the job, if the spacing is right. That is, if you are going to brace the compression members in the chimney, say, every 4 cm, then you need to make sure the zigzag bracing is done so as no unbraced segment of the compression members is longer than 4 cm.

In lieu of extensive experimentation, I prefer to use a few horizontal members for bracing the tower as they work much better than inclined members to combat buckling. That is why we have been using Z-bracing (with horizontal pieces) throughout. The pattern is generally lighter than the alternatives, and it works. If you have time, run experiments to better assess the effectiveness of various bracing systems for your design.

User avatar
havenguy
Member
Member
Posts: 456
Joined: March 3rd, 2011, 2:06 pm
Division: Grad
State: PA

Re: Designs

Post by havenguy » May 10th, 2011, 1:37 pm

SLM wrote:
havenguy wrote:How would Z's without horizantal braces work?
We have not tried that pattern yet. I suspect it will do the job, if the spacing is right. That is, if you are going to brace the compression members in the chimney, say, every 4 cm, then you need to make sure the zigzag bracing is done so as no unbraced segment of the compression members is longer than 4 cm.

In lieu of extensive experimentation, I prefer to use a few horizontal members for bracing the tower as they work much better than inclined members to combat buckling. That is why we have been using Z-bracing (with horizontal pieces) throughout. The pattern is generally lighter than the alternatives, and it works. If you have time, run experiments to better assess the effectiveness of various bracing systems for your design.
Yeah, I think the key to towers is just experimenting with different designs until you find one that works.
University of Pennsylvania Class of 2020
Strath Haven High School Class of 2016

2016 States Results:
Invasive Species: 1st
Dynamic Planet: 1st
Disease Detectives: 5th
Anatomy: 6th

Team Place: 4th

baker
Member
Member
Posts: 183
Joined: October 26th, 2005, 10:46 am
Division: C
State: NY
Location: Upstate NY

Re: Designs

Post by baker » July 11th, 2011, 5:28 am

Rectangle or square base, did anyone see any strength differences? Was there an edge?

BlueHawk
Member
Member
Posts: 1
Joined: May 27th, 2011, 5:44 am
Division: C
State: AL

Re: Designs

Post by BlueHawk » July 11th, 2011, 10:08 am

baker wrote:Rectangle or square base, did anyone see any strength differences? Was there an edge?
I believe the best idea is to use a triangle base to minimize weight without comprising on strength. To answer your question, I do not think there would be any substantial difference in the strength of a square base vs. a rectangular base.

User avatar
lucwilder42
Member
Member
Posts: 114
Joined: March 30th, 2010, 10:01 am
Division: Grad
State: MI
Location: Grand Haven

Re: Designs

Post by lucwilder42 » July 19th, 2011, 9:10 pm

BlueHawk wrote:
baker wrote:Rectangle or square base, did anyone see any strength differences? Was there an edge?
I believe the best idea is to use a triangle base to minimize weight without comprising on strength. To answer your question, I do not think there would be any substantial difference in the strength of a square base vs. a rectangular base.
Yeah bro try a triangle see how that works for ya
I'm just here to build bridges

iYOA
Member
Member
Posts: 184
Joined: March 1st, 2008, 7:13 am
Division: C
State: NJ

Re: Designs

Post by iYOA » July 20th, 2011, 10:48 am

anyone know how they are changing the tower rules for 2012? i heard of some height component but that could be outdated news
West Windsor-Plainsboro High School South

Danny Smith
Member
Member
Posts: 22
Joined: December 6th, 2010, 2:12 pm
Division: C
State: OH

Re: Designs

Post by Danny Smith » July 21st, 2011, 11:16 am

Does anyone know where balsa sticks with 60degree angles can be bought. All the stores and websites I've looked at only had 45,45,90 triangles. I would be interested in trying a triangle based tower, but that isnt possible without triangle peices of wood, right? or do people sand square peices?

Locked

Return to “Towers B/C”

Who is online

Users browsing this forum: No registered users and 1 guest