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General control line discussion => Open Forum => Topic started by: Ken Culbertson on September 18, 2020, 04:18:58 PM

Title: Igor's logarithmic controls - where can I get one
Post by: Ken Culbertson on September 18, 2020, 04:18:58 PM
I lost my shop and all of the tools I need to make this do-dad.  Does anybody out there know someone who manufactures them?

Ken
Title: Re: Igor's logarithmic controls - where can I get one
Post by: Paul Walker on September 18, 2020, 07:31:06 PM
I believe Igor sells them.
Check out MaxBee on FB.
Title: Re: Igor's logarithmic controls - where can I get one
Post by: Richard Imhoff on September 20, 2020, 09:39:20 PM
Why not check out his website??   his address, phone number, email address is all there !!!!!!

http://www.netax.sk/hexoft/stunt/
Title: Re: Igor's logarithmic controls - where can I get one
Post by: PerttiMe on September 23, 2020, 08:07:49 AM
There's a drawing and some useful photos at http://www.netax.sk/hexoft/stunt/the_max_ii.htm

Here's the drawing extracted from the MaxBee plan:

edit: I also seem to have an image that shows the dimensions.
Title: Re: Igor's logarithmic controls - where can I get one
Post by: PerttiMe on September 23, 2020, 10:47:47 AM
Bellcrank?
This is shown on the Max Bee plan:
Title: Re: Igor's logarithmic controls - where can I get one
Post by: PerttiMe on September 23, 2020, 11:14:34 AM
A different version of the plan has the parts separately. Some dimensions are not quite identical.
Title: Re: Igor's logarithmic controls - where can I get one
Post by: jose modesto on September 23, 2020, 12:15:48 PM
MM. back to back world champion. Next WC 2nd next 3rd
His E system and props are the world standard
I think he knows what he is doing with his design
Jose modesto
Title: Re: Igor's logarithmic controls - where can I get one
Post by: M Spencer on September 23, 2020, 08:28:13 PM
A Fred Flintstone Version ;

Pushrod on top of wing , running aft . ( of all things ) . ( O.K. Pivot post in bushes - ' L ' arm over wing - pushrod pin )

Basic theory is the pushrod is horizontal .

A CROSS ARM at hinge . Rotateable . With a bush for each flap arm / horn .

As it proceeds , forward or aft , slides out the horn arm ( wire ) so is effectively further out .

Thus flap motion is quicker around neutral - slower as travel increases .

A bit of precision machineing would help , but brass tubes & wire would be a start .
A pushrod guide , and maybe a laterally split pushrod end , so it dosnt have any sideways motion may be best .

Maybe I can throw a sketch on .  :(
Title: Re: Igor's logarithmic controls - where can I get one
Post by: Ken Culbertson on September 23, 2020, 09:58:01 PM
Before we get too far off track, let me rephrase my question:

Quote from: Ken Culbertson on September 18, 2020, 04:18:58 PM
I lost my shop and all of the tools I need to make this do-dad.  Does anybody out there know someone who manufactures them?

Ken
Title: Re: Igor's logarithmic controls - where can I get one
Post by: jose modesto on September 24, 2020, 07:10:07 PM
MM first you should take the time to read Igor article on his control system and understand how it works
He also stated that he thinks the elevators are to large. He wants more stab
As Air Ministry stated above Igor controls gives you more flaps in rounds more elevator in squares. A clever solution for flying the pattern
BTW I also have and use Mr. Hunts wings since 1973. Great craftsman

As to your precision foam wing. I will answer this way. A precision tool in the hands of a child is useless lol
I’m looking forward to competing against you in 2021  bring your A game

Jose modesto