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09-02-2015, 08:14 PM | #1 (permalink) |
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Join Date: May 2013
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Customizing Jeti gimbals for your thumb human dynamics (easy)
Regardless if you pinch or thumb your Jeti sticks you can improve the human dynamic interaction with the Jeti radio by doing a quick & simple adjustment of the gimbal rotation (swivel) to match the angle of motion of your thumb. The Jeti DC/DS-14/16 manual (page 17 or 29) shows how to remove the rear cover and get access to the stick tension adjustment screws and gimbal swivel hold-down screws.
It is very hard for the thumb to move laterally without some amount of vertical motion. But the thumb can move vertically without lateral motion. We are going to slightly rotate the gimbals to match the angle of your thumb motion. Loosen the roll centering spring tension adjustment screw until minimum tension; while counting screw rotations so you can return to the same amount of tension. Do the same to the yaw/rudder spring tension spring. Loosen the gimbal swivel screws so you can rotate the gimbals. Open the Receiver Output page by going to the main menu and selecting the button under the servo icon. Then switching the displayed option button… Until the numerical Receiver Output page is shown. I have my Aileron & Rudder/Yaw outputs highlighted. You want to adjust the rotation of the gimbals until you can increase/decrease the elevator & collective without the aileron & rudder/yaw changing from 1.500. To do this you are going to need someone to observe the screen while you are holding the Jeti as you would flying and not looking at the screen and unconsciously influencing the lateral motion of your thumb. The amount of rotation is going to be subtle, but a noticeable amount. When done tighten everything and reset the stick tensions. This is an easy project that makes the Jeti more in tune with you. |
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09-04-2015, 06:28 AM | #2 (permalink) |
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Join Date: May 2009
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Nice idea. I had my gimbals rotated already but it was more guessing and based on confort than exact science.
I have tried your method and although I was not too far off, it did make a difference. My left hand is especially "weird" I needed more rotation than my right hand. Now to see how good I become!!!! Nice little project that we should all take advantage off. Why fight natural tendancies when you can have the radio adjust to it.
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TDSF, TDR-II, Triabolo, 2 X TDR, Logo 700,Protos evoluzione, T-Rex 700Dominator, Drake & Raw, SpiritRS, Jeti DC-24,HW,Kosmik,Jive Pro EF MXS 3W110, Ultimate Aeroworks 20-300, DA 170, PowerBox Mercury, Q80-8M in a 91" EF Extra and MXS 104+ few jets |
09-04-2015, 06:50 AM | #3 (permalink) |
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Join Date: Dec 2006
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In an earlier thread I talked about my fused right wrist. This feature will definitely increase usability when I get mine (Santa, you listening?) Dan
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09-04-2015, 08:33 AM | #4 (permalink) |
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I tried doing something like this when I first got my Jeti but I was annoyed that the left gimbal can not be rotated as far towards the center of the radio as the right gimbal. After discovering that, I set them both back to square to the case.
Fixing this oversight would require Jeti to change the chassis of the radio some and possibly make 'handed' gimbals. As annoying as it is, I don't think Jeti will ever fix it since the DS-14, DS-16 and presumably DS-24 would all have to be redesigned and a 'v2' would have be released.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
09-08-2015, 06:16 AM | #5 (permalink) |
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Join Date: Apr 2011
Location: US
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I think there may be some real benefit to this as I'm getting less off axis inputs now. However you do need to get used to this change. I found that picturing the gimbals being rotated helped me after making this change and my aileron and rudder inputs felt more natural.
You will still need to retrain your muscle memory a bit to take advantage of any change like this, otherwise you will fight it and go back to stock. This is what I settled on this morning. Now it's time to burn it in and take advantage of more fluid and natural motion.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
09-14-2015, 07:35 AM | #6 (permalink) |
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Join Date: Feb 2006
Location: Singapore
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Just curious on the angle. I would have thought to match the thumb orientation while holding the DS Tx, the rotational yaw would be inward at the top similar to an ergonomic keyboard. With an additional diagonal tilt to match the apex of the thumb if that adjustment was supported.
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09-14-2015, 08:19 AM | #7 (permalink) | |
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Join Date: Apr 2011
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Quote:
When I hold the TX my arms are at my side the base of my palms touch the TX, but my knuckles are away from the TX.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
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09-14-2015, 10:42 AM | #8 (permalink) |
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Join Date: Feb 2006
Location: Singapore
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Thanks for the pic. I was trying to understand why one would rotate outward. Although I still don't quite understand as I thought one would want to make up and down line up with retraction and extension of the thumb.
I realize now the source of my challenge on range of motion which frequently has me low on pitch when inverted. My hands are very similarly placed as yours except my palms more tightly grip the edge and overlap the top surface of the bottom of the Tx. This makes it difficult to move to the lower extremity of motion as the thumb gets too compressed. Looks like I'm going to need to use a tray or at least a strap to relinquish my death grip and free up more motion for the thumbs. BTW, I was really impressed you decided to switch to thumbs after having learnt pinch. I have switched back and forth a few times (a week or so at a time - sim only) and it just seems more fluid with thumbs, especially on the cyclic despite being less concise. |
09-14-2015, 11:10 AM | #9 (permalink) | ||
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Join Date: Apr 2011
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Quote:
Keep in mind that all this changes around depending on the size of your fingers and hands. Quote:
I've noticed that small corrections to the disk feel more natural as my thumb seems to follow the orientation of the disk better. I think this will pay off a lot over time.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
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09-14-2015, 11:36 AM | #10 (permalink) |
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Join Date: May 2009
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Just one question in regard to pinching:
When you did were you holding the Tx at the same time or using a tray with wrist rest which allows you not to have to hold the Tx at all? Just asking because I am surprise that you find pinching not as mobile, for me going from having to hold the Tx with thumb to tray style with wrist rest pinching was liberating.
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TDSF, TDR-II, Triabolo, 2 X TDR, Logo 700,Protos evoluzione, T-Rex 700Dominator, Drake & Raw, SpiritRS, Jeti DC-24,HW,Kosmik,Jive Pro EF MXS 3W110, Ultimate Aeroworks 20-300, DA 170, PowerBox Mercury, Q80-8M in a 91" EF Extra and MXS 104+ few jets |
09-14-2015, 11:50 AM | #11 (permalink) | |
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Join Date: Apr 2011
Location: US
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Quote:
When I pinched I rested my inner palm below the base of my thumb on the upper surface of the TX nearest my body. This did make it hard for me to reach a number of the switches. My middle finger is resting on the momentary switch I was using as the rescue button compared with the momentary buttons on the back now.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
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09-14-2015, 01:30 PM | #12 (permalink) |
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Join Date: May 2009
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Not probably the full reason, personal choice and comfort is a big part, but I think a full tray support would have made it easier.
With my DC-16, and all the other thumb style rdio that I had, I still have a tray added to it so that my radio just hangs from my shoulders and stay stable on its own. You still had to provide some stabilization for yours since it is just attached in the middle. I can move my hands freely all around any which way I want since I don't have to stabilize the radio. I think to decide fully between thumb and pinch the full conversion is necessary to really feel the difference. But like I said personal choice and comfort.
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TDSF, TDR-II, Triabolo, 2 X TDR, Logo 700,Protos evoluzione, T-Rex 700Dominator, Drake & Raw, SpiritRS, Jeti DC-24,HW,Kosmik,Jive Pro EF MXS 3W110, Ultimate Aeroworks 20-300, DA 170, PowerBox Mercury, Q80-8M in a 91" EF Extra and MXS 104+ few jets |
09-14-2015, 03:23 PM | #13 (permalink) |
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Join Date: Apr 2011
Location: US
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I'm glad that you found a solution that works for you.
I don't have a tray for the simple reason that I feel like I would hurt myself and people with it. They feel very awkward to me. So for personal preference reasons I'll never have one.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
09-14-2015, 04:22 PM | #14 (permalink) |
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Thread Starter
Join Date: May 2013
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Has anyone tried the four point bracket and harness on a DS-16/14? Some might like the four point's self supporting stability on their smaller DS-16/14.
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09-14-2015, 11:22 PM | #15 (permalink) | |
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Quote:
This is what I am using now, it works well for me.
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09-15-2015, 08:37 AM | #16 (permalink) |
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Join Date: Apr 2011
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OMG !!!!!! Big win!
I've tried pinching with gloves with holes in the glove finger and thumb but it never felt right. I just tried thumbing with my gloves and I think this will work FYI, I'm using Perl Izumi winter cycling gloves with titanium.
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
09-15-2015, 01:57 PM | #17 (permalink) |
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Thread Starter
Join Date: May 2013
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If you are looking for a great glove get real US military surplus Nomex Flight Gloves sized for your hands. They come in enough sizes that you should have a perfect fit. The leather is very thin and supple; and the Nomex soft & warm. By far my favorite pair of gloves.
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09-15-2015, 03:12 PM | #18 (permalink) |
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Any suggestions as to where one might find those gloves?
I had a really old pair of SealSkinz that I cut the thumbs off of but I learned they kind of fall apart once you cut them.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
09-15-2015, 08:48 PM | #19 (permalink) |
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Join Date: Apr 2011
Location: US
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This looks like what he is talking about.
They look pretty nice for use with a transmitter. Good recommendation! Thanks! I pulled the trigger. They come in 5 sizes, measure around your hand for a good fit. Small 8" Medium 9" Large 10" XLarge 11" XXLarge 12" http://tacticalgear.com/wiley-x-arie...712/1705,738/1 http://www.amazon.com/Wiley-G312XL-A...+flight+gloves
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Mark Dusty Shelf queens: TDR2, TDR, Protos Max, Logo 550SX, Protos 500, Jeti DS-16, etc.... |
09-15-2015, 09:45 PM | #20 (permalink) |
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$81?!
I think I'll save my nickels for more receivers.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
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