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Infinus Inspired by TR-27 Gryphon/RS Mod


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#1 limmers2015

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Posted 03 October 2018 - 09:46 AM

     One of the first posts I saw on NerfHaven was Technician Gimmick's TR-27 Gryphon. I thought it was the coolest thing on planet Earth! And so, when a mod on my Infinus didn't quite work out, I decided to emulate the Gryphon. And I have! Sort of...

 

Here's the scoop: I used an Arduino Micro driving some EM relays and reading pulled-up inputs from all of the stock switches. I will be switching from a 9 Volt battery for the Arduino and the stock 4D Alkaline tray for the motors (which is my setup as of this moment) to a 3s Lipo, a voltage regulator for the Arduino, pusher, and loading mechanism, and a MOSFET for the flywheels. I will also be upgrading to OOD Krakens for the flywheel motors.

 

Here's the code I am using: https://create.ardui...a343c42/preview

 

Any questions, ask away! Any advice, PLEASE send it over! I would love some external input to the project.

 

To Technician Gimmick:

 

     Your project was the primary inspiration for my attempt! Thank you! This project is amazing! It has been, and continues to be, a tremendous source of fun, and a great learning experience!

 

Edited by limmers2015, 18 October 2018 - 04:16 PM.

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#2 Meaker VI

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Posted 03 October 2018 - 05:31 PM

Link to previous post

 

Limmers, I approved and split your post into it's own topic. That other topic was from three years ago, and while I'm not sure you're adding anything to that topic, I appreciate that you've shared code you've written. If you can elaborate more on your build (picts etc.) we'd appreciate it.

 

Welcome to Nerfhaven


Edited by Meaker VI, 03 October 2018 - 05:33 PM.

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#3 Technician Gimmick

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Posted 04 October 2018 - 03:23 PM

Thank you Limmers. It was really a fun project when I had worked on it. I'm glad it served as some inspiration for your project!

 

I will be following your project to see how it goes for you.

 

Have Fun!

 

- Technician Gimmick


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#4 limmers2015

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Posted 04 October 2018 - 07:25 PM

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When I open the blaster next, I'll take some pictures.

 

If anyone has any suggestions about the code, I'd love them. I am still plodding along on it, but am having a little bit of trouble.

 

I'll make and post a wiring diagram as soon as I get a chance.

 

Thank you for your interest!

 

And I'm glad to join the community!

 

- limmers2015


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#5 limmers2015

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Posted 11 October 2018 - 04:09 PM

I opened it up today, and here are the pictures.

 

I know that it is messy, but I was in a hurry to get it done in time for my local war, and will re-do the wiring when I do a major upgrade. 

 

If there are any questions, fire away (love those puns!). Wiring diagram with component specs and identification will be soon... Not sure exactly how soon though...

 

     Photos:

 

Exterior (Right Side): PA111198.JPG

 

Exterior (Left Side): PA111197.JPG

 

Exterior (Arduino Access Detail): PA111199.JPG

 

     Internal Photos:

 

Overview: PA111200.JPG

 

Arduino and Relay Detail: PA111201.JPG

 

Mechanisms Detail: PA111202.JPG

 

Fire Control Cluster Detail: PA111203.JPG

 

Battery Detail: PA111204.JPG

 

 

FYI, that is a Stryfe cage. No, you're not going crazy. I busted the Infinus's motors on a 3s lipo (and by trying to cut off the circuit boards attached to them), so it's currently awaiting OOD Krakens. Then the Stryfe will get its cage back, and the Infinus will finally shoot more than 20ft in full-auto, and 30 in semi-auto!


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#6 limmers2015

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Posted 17 October 2018 - 12:31 PM

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And here's a current wiring diagram:

Infinus Sketch_schem.jpg

Hope that works! If you have any questions, please, ask away!

 

I will be making a major upgrade soon, and will update the images and diagram with the results. I am going to use a MOSFET on the flywheel motors, which will be OOD Krakens, and will be replacing the battery pack(s) with a 65C 2200 mAh lipo. I will use a voltage regulator to give the other motors 6V for the moment, until they too are upgraded with MOSFETS and Krakens.

 

There is more fun to be had with this blaster!

 

We will have a better mousetrap!

 

Edit: None of the part numbers are accurate in the above diagram. I just wanted to get it done, and didn't worry about the numbers. The resistance values and voltages are all correct though.


Edited by limmers2015, 18 October 2018 - 03:51 PM.

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#7 limmers2015

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Posted 24 November 2018 - 09:05 PM

Did the upgrade. Will post fully in morning.


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#8 limmers2015

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Posted 25 November 2018 - 09:44 AM

Here are the updated pictures:

 

Front-end:

PB251216.JPG

 

Middle:

PB251217.JPG

 

Back-end:

PB251218.JPG

 

Battery Tray:

PB241214.JPG

 

Battery Cover:

PB241215.JPG

 

Battery:

PB241213.JPG

 

Here's the wiring diagram (with all of the part numbers correct now, I hope!):

Infinus Sketch Updated.jpg

 

And here's the code I'm running:

 

https://create.ardui...75a72a7/preview

 

I have a custom-designed flywheel cage on order from /u/Jack-Dapper on Reddit. See here for more details.

 

As usual, bring on the questions! I honestly enjoy answering them!

 

~limmers2015


Edited by limmers2015, 25 November 2018 - 08:19 PM.

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#9 limmers2015

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Posted 10 December 2018 - 01:11 PM

As of now, with the stock cage, I am getting ~130 FPS at maximum efficiency settings. I have set the value down in my test program to 30 / 255, or 1.41V, to get 70FPS. The motors get hit with 1/20 sec of 6V every time the pusher returns to keep them from lagging.

 

I am thinking of two press switches on the right side of the AFG for mid-battle fire-mode and velocity selection. If that happens, I'll be adding a 1.6 in x 1.6 in OLED display to the left side, above the trigger guard, so I can have the blaster relay information to me.

 

I have 2000 EKIND waffle head darts on my christmas list, so I can actually use this to it's full potential without welting people! The on-field velocity selection would allow me to crank it up with waffles, and drop it back down with vinyl tipped darts to keep the blaster "safe". That, and the ability to suddenly engage at unexpected ranges, are more than enough reasoning for me!

 

Anyone else starting to get the feeling of an FDL, just with brushed motors, and the dart-loading feature?


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