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Author Topic: LineMaster 2.4GHz the next generation of Control Line handles  (Read 18611 times)

Offline Carlos Diaz

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Hello all!
I would like to introduce this prooject we have been working on for several months, the development of this new handle. With an integrated 2.4GHz transmitter, it brings the ergonomics and reliability of traditional grips but with the ability to extend the control and safety of your model. Initially we are thinking about Scale and Carrier flight modes but we plan to expand the project later to Stunt.

Some of the functionalities we have developed so far include:
- Throttle control and 2 auxiliary channels (for flaps, retracts, or whatever u want to add) with the possibility of expansion in the near future to 6 or more chanels.
- Screen with intuitive menus and joystick for navigation.
- Creation of up to 4 models and custom settings for circular flight.
- Slide & Lock mechanism for quick model exchange.
- Over 50 meters signal range
- Over 170lb pull test
- More than 4h of autonomy with a single 18650 cell.

One of our collaborators and test pilot will be Bob Whitney, an incredible pilot and outstanding judge in the world of line control. With his vast experience, Bob is providing valuable insights and reviewing our 2.4 GHz LineMaster control prototype. His confidence in our project is a testament to the seriousness and strength of our proposal. When the prototype is ready, Bob will be our test pilot, ensuring that the 2.4 GHz LineMaster meets the highest standards of quality and performance.

Here is our facebook page if u want to take a deep look.
https://www.facebook.com/profile.php?id=61560480371015


Offline bob whitney

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #1 on: July 07, 2024, 08:05:56 PM »
i will have the proto type Line Master handle with me set up tp work throttle and tail hook drop with me at the Nats Scale event next week ,.stop buy and ask for a hands on demo   bob whitney RAD
rad racer

Offline Pete Bauer

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #2 on: July 10, 2024, 09:07:44 AM »
Bob - I will definitely check it out.  Look interesting (and small).

Offline Pete Bauer

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #3 on: July 15, 2024, 01:21:43 PM »
Bob brought a prototype to the Nats for everyone to examine.  The contruction and functionality look great - so much better than all the "homebuilt" handles that I have seen.  I will definitely buy one when they are available.  Thanks Bob for sharing it Bob.

Offline Fred Cronenwett

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #4 on: July 17, 2024, 08:19:40 PM »
Nice handle, make additional bars available for people who have a dedicated set of lines for a model so that the handle can be moved from one airplane to another

Carlos - Contact me with pricing and other details that I put into the Feb CL Scale column. I would need the information by early Nov to get it into the magazine

Fred Cronenwett
CL Scale Model Aviation
clscale7@gmail.com
Fred Cronenwett
AMA CLSCALE7 - CL Scale
Model Aviation CL Scale columnist

Offline bill bischoff

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #5 on: July 18, 2024, 09:31:05 PM »
I find that the ability to detatch the "radio" portion from the "lines" portion to have appeal. Not only can you have setups for multiple models without having to readjust the handle every time, you can also take the "radio" to the airplane to manipulate the throttle for starting and tuning the engine. Personally I would feel better with the safety thong actually looping around the "lines" part of the handle for added safety.

Bill Bischoff, planning to fly carrier again soon.

Online Peter Mazur

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #6 on: July 19, 2024, 11:10:09 AM »
There could be a problem using the neat feature to remove the handle from the lines during engine start procedures. Removing the actual handle from the part attached to the lines and then reconnecting it is similar to removing a conventional handle from the lines by removing the line connectors and then reconnecting them. In each case, in competition the control system would have to be pull tested again. This problem does not occur in systems where the radio component is separate from the handle component and only the radio is removed, leaving the handle-lines connection intact.
Pete

Offline John Rist

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #7 on: August 16, 2024, 09:27:39 AM »
I think this is a great ideal.  Back in 2014 I repackaged an RC car Tx & Rx to fit on top of a control line handle.  Worked great.  I haven't flown scale in years but your unit looks great.  My only question due to the low volume demand for U-control stuff will it be affordable to have parts molded?  Pictures attached of my one of a kind from 2014.  I used it in a Brodak LA-5 electric.
John Rist
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Offline Paul Smith

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #8 on: August 16, 2024, 04:30:33 PM »
I saw these at Muncie.  You can't hardly compete without them.
I expect to need three for scale and six for carrier as soon as I get the airplanes ready.
Paul Smith

Offline John Rist

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #9 on: August 17, 2024, 09:55:42 AM »
I notice that the throttle is spring loaded trigger.  How hard is it to control up down while holding a steady trigger setting. on my home brew units the throttle was set with a slide switch under the thumb.  Once set it stayed put.  Just wondering from the people that have used a trigger throttle how does it feel.  Is it hard to hold a steady throttle setting and fly the airplane?  Just wondering?   ???   ???
John Rist
AMA 56277

Offline Carlos Diaz

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #10 on: August 17, 2024, 11:19:01 PM »
I think this is a great ideal.  Back in 2014 I repackaged an RC car Tx & Rx to fit on top of a control line handle.  Worked great.  I haven't flown scale in years but your unit looks great.  My only question due to the low volume demand for U-control stuff will it be affordable to have parts molded?  Pictures attached of my one of a kind from 2014.  I used it in a Brodak LA-5 electric.

This handle is 3D printed! Yours looks cool!

Offline Carlos Diaz

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #11 on: August 17, 2024, 11:21:00 PM »
I notice that the throttle is spring loaded trigger.  How hard is it to control up down while holding a steady trigger setting. on my home brew units the throttle was set with a slide switch under the thumb.  Once set it stayed put.  Just wondering from the people that have used a trigger throttle how does it feel.  Is it hard to hold a steady throttle setting and fly the airplane?  Just wondering?   ???   ???

There is a version with a slider for throttle control instead of a trigger. The trigger version was developed for carrier pilots in mind.
Here is a video update.
https://www.facebook.com/share/v/rTG33qxaem6BAZRE/

Offline bill bischoff

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #12 on: August 23, 2024, 03:59:18 PM »
As Pete Mazur pointed out, removing the line bar to take the rest of the handle to the airplane for starting would run afoul of the pull test rules in competition. If you had a complete handle with a detachable transmitter, this issue would be eliminated.

Offline Carlos Diaz

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Re: LineMaster 2.4GHz the next generation of Control Line handles
« Reply #13 on: August 26, 2024, 07:01:41 AM »
UInderstood! interesting observation