Gilera Bi4 Nordwest 3d scanning/modelling

[andrea bagnoli]

  

[Duranti]

Good afternoon friends,

Thank you all so much for your support and kind words, I appreciate it!!! 

This weekend (or monday evening) I will hopefully have the revised carburetors 3d printed and ready to show you guys, I have indentified some areas that need improvement and strengthening, also the detailing will be slightly better, stay tuned!   

[Duranti]

Hi friends,
A while since the last update, I have been sick the past weeks, but now I have something very interesting to show you guys!

Romolo was very generous and helped me out with a starter and starter support, and a few days ago they arrived in the post!!! 
I am deeply grateful for these parts, and honestly if feels great to have RC_true be part of this project, thank you!!! 

Now I have modelled the parts and put them into the main assembly, and they look great, in the coming days I will 3d print them, and post pictures!

I will also soon post pictures of the new carbs, they will be more rugged and hopefully better quality/detailing!

[yumax]

fantastic!!

[Matte]

Congratulation to Romolo for the parts, and to you for scannering them . Let's wait for the "real" components

[Duranti]

Good evening friends,

Got the starter and starter support printed today, they came out pretty good, most details are preserved in the downscaling, and the parts align well with the mounts on the crank case halves! 

There is always a compromise with a single extruder FDM printer with regards to orientation of the parts during printing to achieve the best possible print, but until now most of the parts on the engine are possible to produce with minimal problems, except the carbs, they require more work, but after several different test prints the carbs are beginning to look good (I will try to upload pictures tomorrow)!

Next task now is to model some of the small parts, like clutch actuation arm, liquid cooling hose/manifold, sparkplug, drainplug and such, and then the model will be finished, or as finished as I can get it!


Thanks again to Romolo! 

[Matte]

Nice components, bravo

[Duranti]

Hello friends,
I hope you are all doing good!

Things have been going slow this past month, it's been a tough time with work and other things, so the progress of the Bi4 has been painfully slow, and it I feel bad about it.

However, I have spent a few hours of modelling to make a mock-up of the frame that will be housing the Bi4, and I thought you guys might enjoy a preview of what I will be working on for the future. 

Yesterday I got some small parts in the post, drainplug/filter and sprocket washer/bolt arrangement, I will be modelling these today, and I will post an update later today. 

[Duranti]

Here is the drainplug/filter in 3D

From what I understand there are two, variants of this part/assembly, one in all plastic (with metal mesh), and one, like the one I got, that has a brass plug with a plastic tube threaded into it.
Are there any other official versions? And also, does anyone know which is correct version for the Nordwest engine?

Sorry for the lack of progress, I have had a couple of part get lost in transit (as well as the M1.6 threading taps I ordered a couple of months ago), but I will try to have the engine completed this month if I get the M1.6 bolts in time! 

[bigbore]

maybe I'm wrong but should be a brass plug with inner plastic tube holding a fine mesh as a filter 

[Duranti]

Hello bigbore,
Thank you for responding!
Then I will consider the brass/plastic version the correct on for the NW. 

The brass version seems much more rugged than the full plastic version, but cost-wise the plastic version must be cheaper to mass produce.
Either way it is an interesting design with regards to combining the drainplug with the oil pick-up filter, a very smart solution that I have not seen on any other engine that I've worked on. 

[Duranti]

And here is the clutch actuation arm in 3D 

The spline between the arm and shaft is not accurate, I can't seem to find the correct standard, but I will update this when I finally find it!

Have a good evening friends, I'll be back with more updates this upcoming week. 

Duranti

[Matte]

It looks really amazing, bravissimo

[Duranti]

Matte, thank you, I am glad you are enjoying the pictures, these are some of the last bits before the engine is complete! 

I ordered a new M1.6 tap yesterday, hopefully is should arrive in a short time, and then the assembly of the engine will begin, using bolts, I a looking forward to it!

In the meantime I am working on creating 3D models of the parts I am going to use for the project that the Bi4 engine is intended for, and below is the rear Brembo caliper in 3D. 

[siplitaro]

Duranti that is not the Northwest brake caliper,
it is similar to that of RC ...congratulations for the job