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4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Cash4587

By: Cash4587
New: 08-10-2018 03:43 AM
Updated: 08-10-2018 03:43 AM
Views: 1022 times


4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

As close to an exact copy of The Cheesy Poofs 2018 drive gearbox as I could get. Gear ratios and wheel diameter are the same.

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08-10-2018 12:56 PM

NerdRage


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

For some reason the colors don't seem to be the same? Maybe it's my monitor rendering it poorly...



08-10-2018 01:14 PM

Schmools


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

If you were looking to do an even more exact copy I believe there were some pics of the poofs layout sketches for the gearbox in their build blog.



08-10-2018 01:49 PM

Cash4587


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Quote:
Originally Posted by Schmools View Post
If you were looking to do an even more exact copy I believe there were some pics of the poofs layout sketches for the gearbox in their build blog.
I used them. The only thing different really is the lightening pattern I created.



08-10-2018 01:52 PM

justin.chau


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Are you planning on using this somehow, or was it just a little CAD practice?



08-10-2018 02:08 PM

Cash4587


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Quote:
Originally Posted by justin.chau View Post
Are you planning on using this somehow, or was it just a little CAD practice?
We will probably end up using it next season meaning I will release the cad here soon.



08-10-2018 02:23 PM

JohnFogarty


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

You really are quite good at this hahaa, have you tried or will you try the elevator?



08-10-2018 02:29 PM

Cash4587


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Quote:
Originally Posted by JohnFogarty View Post
You really are quite good at this hahaa, have you tried or will you try the elevator?
Maybe for fun. Idk.



08-10-2018 04:32 PM

Skyehawk


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Are you sending the torque to 2 CIMs through one pinion? This may cause issues. Here is a thread where this cropped up.

https://www.chiefdelphi.com/media/photos/45481



08-10-2018 06:03 PM

Cash4587


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Quote:
Originally Posted by Skyehawk View Post
Are you sending the torque to 2 CIMs through one pinion? This may cause issues. Here is a thread where this cropped up.

https://www.chiefdelphi.com/media/photos/45481
Yes, but there is a bearing supporting the mini cim shaft that should reduce the stress on the shaft, same setup as the poofs 2018 gearbox.



08-10-2018 07:31 PM

AllenGregoryIV


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Quote:
Originally Posted by Cash4587 View Post
Yes, but there is a bearing supporting the mini cim shaft that should reduce the stress on the shaft, same setup as the poofs 2018 gearbox.
We have ran an unsupported pinion double engaged for the past 3 seasons, with little issue. We used steel pinions this year and never had to replace them. We replaced the 2 40t gears in the first stages after two regionals and championship.



08-11-2018 07:12 AM

philso


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Good work Cooper.


Do you have a render made at a different angle? I am trying to figure out the small center plate plate with a bearing that appears to be in line with the shaft of the middle motor.


Do the three screws across the top go all the way through the stand-offs into one side of the end caps of each motor?



08-11-2018 02:13 PM

Landon K


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

Was the center pinion an issue of wear or the Mini-CIM shaft bending? I looked around and most people have "gotten away" with no shaft bearing. I know this is a 254 contraption, but any ideas on the concept of the supported shaft?

Edit: I see this was already addressed above... sorry.



08-13-2018 10:41 AM

messer5740


Unread Re: pic: 4587 Flat 3 Mini CIM Gearbox (Cheesy Spoof)

You posting the cad for this online?



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