Search found 653 matches

by bjt4888
February 2nd, 2015, 5:03 pm
Forum: Wright Stuff C
Topic: Design
Replies: 178
Views: 36797

Re: Design

DoctaDave wrote: Well for the leading and trailing edges found in the Freedom Flight kit, they use a very thin, tapered, triangular strip of balsa but I can't seem to find the same type of wood in any hobby shop or website. I've only found balsa leading and trailing edges that are 1/4"x1" at the sma...
by bjt4888
February 2nd, 2015, 4:53 pm
Forum: Wright Stuff C
Topic: Design
Replies: 178
Views: 36797

Re: Design

nxtscholar, Attached are pictures of the Harlan prop hanger/"pigtail thrust bearing" and custom prop hook and rear hook that my students are using. Both hooks are made from .018" guitar string. The Harlan prop hanger/"pigtail thrust bearing" shown is the Penny Plane bearing. This bearing needs to be...
by bjt4888
February 2nd, 2015, 11:36 am
Forum: Wright Stuff C
Topic: What are your guys times right now?
Replies: 62
Views: 14023

Re: What are your guys times right now?

InfiniCuber wrote: First, thank you so much for the feedback and answer, it really helps! Now onto the info specifics: I am currently using a plane with a V dihedral. The span is about 44 cm, and 8 cm rib. Stabilizer is about 24 cm with a 6 cm rib. The length of the plane is 42 cm. Using the 24 cm I...
by bjt4888
February 2nd, 2015, 11:06 am
Forum: Wright Stuff C
Topic: What are your guys times right now?
Replies: 62
Views: 14023

Re: What are your guys times right now?

Sorry, here are the pitch measuring device pictures.

Brian T.
by bjt4888
February 2nd, 2015, 11:00 am
Forum: Wright Stuff C
Topic: What are your guys times right now?
Replies: 62
Views: 14023

Re: What are your guys times right now?

someusername wrote: based on bjt4888's post, how do you guys measure the radius and pitch of the prop? I am using the 24cm Ikara proeller, the one that comes with the Freedom Flight model, and I am also using the Freedom Flight plane. I agree with retired1, you should buy the Freedom Flight pitch ga...
by bjt4888
February 1st, 2015, 6:22 pm
Forum: 2015 Build Events
Topic: Elastic Launched Glider B
Replies: 134
Views: 35415

Re: Elastic Launched Glider B

SOCoach, I have coached this event for three local high schools for the last couple of years and have helped dozens of students with gliders like this. For gliders that are not "flappers", stabilizer tilt of between 2 and four degrees will usually provide a turn circle of about 25 ft., which should ...
by bjt4888
February 1st, 2015, 4:51 pm
Forum: Wright Stuff C
Topic: What are your guys times right now?
Replies: 62
Views: 14023

Re: What are your guys times right now?

InfiniCuber, You have indicated that you are using the Ikara propeller that comes with the Freedom Flight kit (but you are not using the Freedom Flight kit airplane) and your best time so far is 1:40 with .091" rubber and I believe that your last question is about what other propeller you should try...
by bjt4888
January 31st, 2015, 7:00 pm
Forum: Wright Stuff C
Topic: What are your guys times right now?
Replies: 62
Views: 14023

Re: What are your guys times right now?

Someusername, See some suggestions below. Brian T. ++++++++++++++++++++++++++++++++++++++++++++++++ by someusername » Sat Jan 31, 2015 6:35 pm I have several questions regarding the trimming of the plane: 1. If we do get our rubber to weigh 2g, that would cause the rubber to be very loosely hanging...
by bjt4888
January 28th, 2015, 3:02 pm
Forum: Wright Stuff C
Topic: Motor
Replies: 2
Views: 2213

Re: Motor

Meant to state, "... if you can supply...". Also, supply the stabilizer span and chord.
by bjt4888
January 28th, 2015, 3:00 pm
Forum: Wright Stuff C
Topic: Motor
Replies: 2
Views: 2213

Re: Motor

_englb, I would be glad to try to help you if a more information about your airplane and flights can be supplied. If you can supple all of this, you will probably get very good assistance: weight of airplane, wing span and chord, propeller type (diameter, blade area, pitch), thickness and length of ...

Go to advanced search