Krazed Builds Pneuma 2.2S Chassis – Release! We have done quite a bit of testing and taken all the notes and feed back we have gotten over the years and put them into our next generation of sporty chassis. All the success from our Gen2 and our early portal design chassis come together in this version.
Pneuma – (in Stoic thought) the vital spirit, soul, or creative force of a person.
Designed with the intention of bringing the next level of 2.2S chassis design to builders, we have gone through some intense design time. Most important was geometry to balance both standard and portal axles for drivers . We believe we have hit all our goals of this project.
Many have followed from the CAD concept pictures we posted months back and through all the revisions we have tried. Some may have noticed cosmetics changed a bit from the original and some may have noticed geometry changes through various pictures. These changes stretched over several deisgn version all tested by ourselves and some team drivers.
Heres some break down of info, changes and options available for everyone as well as hopefully some answers to questions people may have.
First question Im sure is ‘Will regular (meaning non portal) axles work on this?’
Yes. We pushed to balance everything out for those successful non portal axles as well. Different trucks and different drives we really believe we found a balance for any axle used.
Are portal axles the best?
We truly believe they are the next level in 2.2S rigs. From suspension geometry to clearance, the Pneuma will really benefit you the best on portals. With out going into descriptive design info Portal axles have many benefits we as drivers and designers havent even explored yet.
What link lengths work on the Pneuma?
Heres our personal rigs link mesurements:
Front Lower Links – 132mm eye to eye
Front Upper Links – 108mm eye to eye
Rear Lower Links – 138mm eye to eye
Rear Upper Links – 115mm eye to eye
What transmissions fit?
We kept in mind the various transmissions out there and made sure we kept the chassis versatile. We have test fitted the Element RC transmission, the SCX/Axial trans and run the Dlux Hamburg on ours. All skids will come standard with no transmission holes drilled, this is something you will have to do yourself. We do offer a skid available as an add on for the Dlux Hamburg. The skid will have holes in it for either a motor forward or rearward for bias preference as well as also come with a .80 spacer to help clear the motor from lower links.
What are the skids made of?
All skids come 3D printed as standard. We switched over to this a few years ago on our Gen2 and have a trustful belief in them working, we use top grade PETG.
What are the color options?
Using printed skids we are able to help add those personal touches to drivers trucks. We carry Red, Blue, Orange, Yellow, Black, White, Purple and Green. We have actually done our homework in getting the best possible match to colors you get from Shapeways should you get various parts from them. Colors are an add on option at a small price addition at time of ordering. If you want a colored skid or the colored edging added you can simply check the box on the order page and then select your color otherwise they will come with the standard black PETG skid.
We have added the option to accent the edge of your carbon fiber with a 3d printed color strip. This is a thin strip of a color choice we print and add before shipping. Important, this is not changeable after done. It is CA’d in place around the outer edge but not the bottom skid area to allow for clearance. Edging can be easily removed with a razor blade and some light sanding.
How do I mount a body?
This we left up to the drivers. There are many options and ways to mount a body, even simple nylon screws and nuts you can purchase at a local hardware store. However we do offer mounts through our Shapeways store made specifically for the Pneuma. These come in color choices and use the existing cross brace hardware to secure them. They are not structurally needed thats why we offer them through Shapeways only. They simply allow a way to mount body like the Jconcepts Mini E-Revo body or other similar flat hood and truck type bodies.
Hopefully we have touched a few questions you may have about this new chassis. If we havent then do not hesitate to ask us either here, through Messenger or through RCCrawler.
Webstore: http://www.krazedbuilds.com/opencrt/Shapeways: https://www.shapeways.com/shops/krazed-builds