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Mechanical Engineering Freelance Jobs more...
Project
Category: Engineering / Architecture
Subcategory: Mechanical Engineering
Description: I am thinking in an engine that would be used with wind and a very light balloon that could move pretty much the top part of a sphere.
Inside the sphere is the engine. You will have one pair of horizontal cranks, and two pairs of vertical cranks.
In each pair of cranks one can move only clockwise and the other only anticlockwise.
It must be very visible that whenever the top of the sphere as a movement more close to clockwise in what regards a crank, it will help, in a very logical and ordered fashion, the other 4 cranks in what seems to be more clock or anticlockwise, for that movement cranks.
After all, the engine will be lifting a pair of weights, two spheres, up to whatever altitude we choose.
The engine must be well thought by a mechanical engineer to maximize the movement of the hardwired light balloon. Solidworks seems the tool of choice,
but it is up to you.
Would like you to deliver also ready to have on the web to show others.
Bids:
Bid #: 658727
Amount: Sealed
Project Match:
100%
Submitted: 02/17/2010 04:50 PM PDT
Revised: 02/17/2010 04:50 PM PDT
Concept to Reality
Skill Rating:
 9.3
7 skills
Service Rating:
not yet rated
Location:
IL, United States
Project
Category: Engineering / Architecture
Subcategory: Mechanical Engineering
Description: Want to design a cage to protect the outside condensing unit of a central AC system from vendaliism. Imagine the condensing unit as a retangular of 30" square in the base on 4 sides and about 32 inches tall. The condensing unit would normally sit on a concrete pad. The protection AC cage would enclose the condensing unit on all 4 sides and the top, thus protecting the condensing unit from vandalism. What is the big deal about this dumb cage?
1. The cage has to secure to the concrete pad so no one can knock, move or lift it up. Want the cage secured to the concrete pad.
2. The cage should be able to withstand deliberate and determined vandalism, crow bar and thugs. Want an industructible cage.
3. The cage should be easy, light and cheap to transport accross long distance. Want light weight and flat panel. At the job site, the worker can just snap the pieces together into a strong cage. Want simple and irreversible interlocking mechanism.
4. Want to be able to slap the pieces togehter without tool? or with minimal tool?
I need your expertise and ideas. Would pay for your design and ideas.
Bids:
Bid #: 656900
Amount: Sealed
Project Match:
100%
Submitted: 02/12/2010 10:10 AM PDT
Revised: 02/12/2010 10:10 AM PDT
HammerHead Design Services
Skill Rating:
 10.0
10 skills
Service Rating:
 9.7
5 reviews
Location:
Georgia, United States
Bid #: 657001
Amount: Sealed
Project Match:
75%
Submitted: 02/12/2010 04:44 PM PDT
Revised: 02/12/2010 04:44 PM PDT
Taylor Designs
Skill Rating:
 9.8
10 skills
Service Rating:
 10.0
6 reviews
Location:
Ontario, Canada
Bid #: 657891
Amount: Sealed
Project Match:
100%
Submitted: 02/16/2010 10:03 AM PDT
Revised: 02/16/2010 10:03 AM PDT
EAW
Skill Rating:
 10.0
2 skills
Service Rating:
not yet rated
Location:
Wisconsin, United States
Bid #: 661957
Amount: Sealed
Project Match:
100%
Submitted: 02/25/2010 06:53 PM PDT
Revised: 02/25/2010 06:54 PM PDT
DMAsoluciones
Skill Rating:
 9.4
5 skills
Service Rating:
not yet rated
Location:
Cordoba, Argentina
Bid #: 657234
Amount: Sealed
Project Match:
75%
Submitted: 02/14/2010 04:09 AM PDT
Revised: 02/14/2010 04:09 AM PDT
Design Corner
Skill Rating:
 9.9
10 skills
Service Rating:
 9.8
1 reviews
Location:
Athens, Greece
Project
Category: Engineering / Architecture
Subcategory: Mechanical Engineering
Description: I own a product design company in Georgia.  I also use ifreelance (where i found you) to find new clients and for them to find us.  Recently, I have taken on a lot of work and started a second company to sell some neat products.  I need to focus on finishing some client projects but want to continue to develop products for my second company.  Additionally, I wouldn't mind having someone to send extra work to.

You can see the products I designed and sell (in Solidworks) here: www.exotac.com

One of the next projects I'd like to pursue is what some call a "tactical pen".  I don't really like this name but it is how many refer to it.  The pen will use a standard COTS pen refill available at your local office supply store.  

I try to keep my designs very unique, high quality and with lots of innovative features.  I do not have much in the way of a design for this pen yet.  I will provide you a model of the refill, some guidelines, and leave the rest up to you with input from me.  I am looking for someone very creative who can design an innovative, classy, high-quality product.  

Can you do this in SolidWorks?  If not, what CAD package will you use?

Thanks
Bids:
Bid #: 656582
Amount: Sealed
Project Match:
75%
Submitted: 02/11/2010 05:08 PM PDT
Revised: 02/16/2010 02:23 PM PDT
ronirwindesign
Skill Rating:
 10.0
6 skills
Service Rating:
not yet rated
Location:
FL, United States
Bid #: 656006
Amount: Sealed
Project Match:
100%
Submitted: 02/10/2010 12:40 PM PDT
Revised: 02/12/2010 08:12 AM PDT
CW CAD
Skill Rating:
 9.6
10 skills
Service Rating:
 9.5
2 reviews
Location:
Glos, United Kingdom
Bid #: 655880
Amount: Sealed
Project Match:
100%
Submitted: 02/10/2010 10:06 AM PDT
Revised: 02/10/2010 10:06 AM PDT
HammerHead Design Services
Skill Rating:
 10.0
10 skills
Service Rating:
 9.7
5 reviews
Location:
Georgia, United States
Bid #: 657158
Amount: Sealed
Project Match:
75%
Submitted: 02/13/2010 03:02 PM PDT
Revised: 02/16/2010 09:51 AM PDT
Lazer
Skill Rating:
 10.0
10 skills
Service Rating:
not yet rated
Location:
Florida, United States
Bid #: 655927
Amount: Sealed
Project Match:
100%
Submitted: 02/10/2010 10:41 AM PDT
Revised: 02/10/2010 10:41 AM PDT
pixel1
Skill Rating:
 10.0
10 skills
Service Rating:
 10.0
2 reviews
Location:
MI, United States
Project
Category: Engineering / Architecture
Subcategory: Mechanical Engineering
Description: Hi,

I'm looking for a polishing solution for automotive fuel injectors.  Currently my polishing process is manual.  I use a 6" bench grinder to with a wire wheel for the first stage paint removal and a sewn cotton buffing wheel to polish after the paint is removed.  My business is to rebuild fuel injectors both mechanically and physically.  I'm desperately looking to automate the process to allow for expansion.  I process roughly 25,000-40,000 pieces a year and hope to double that by next year.  

The pieces are small.  They are all the same for a certain style and I can do 1000-5000 of the same style at a time.  I would like to be able to adapt to different styles with changes of either programming or retooling/reconfiguration but understand it may be laborous.  

I've already invested in vibratory finishing and because there is plastic on the piece it was unsuccessful at properly reconditioning the physical appearance without damaging the plastic connector portion.  I'm going to attach a link to a picture of the most common sample of part that I do.  

Before picture found on internet

http://www.nmia.com/~dgnrg/must_inj.jpg

After picture of my actual injectors.. finish does not have to be this perfect :-)

http://img.photobucket.com/albums/v738/xvnutjobvx/19bosch2001.jpg

The bottom portion is a cap that is replaced so here's a picture without it to possibly a holding place.

http://i295.photobucket.com/albums/mm147/cyteone/FILE0479.png

Is this possible for you to design, cost estimate involved?  

I'm just brainstorming now but my ideas were.. dump a bucket into a shaker that orients the injectors in a groove in the same position.  Then they can go into a conveyor system of some sort into the rest of the system.

Any input would be appreciated even if you can't take on a project such as this and if you can you can win the bid!

Thanks!

P.S.  Second project and the first one was awarded and completed perfectly to my satisfaction.  I love this site :-)
Bids:
Bid #: 653382
Amount: Sealed
Project Match:
75%
Submitted: 02/04/2010 02:03 PM PDT
Revised: 02/04/2010 02:04 PM PDT
Taylor Designs
Skill Rating:
 9.8
10 skills
Service Rating:
 10.0
6 reviews
Location:
Ontario, Canada
Bid #: 652862
Amount: Sealed
Project Match:
100%
Submitted: 02/03/2010 07:01 PM PDT
Revised: 02/03/2010 07:01 PM PDT
Alacarte Engineering LLC
Skill Rating:
 9.6
8 skills
Service Rating:
not yet rated
Location:
IN, United States
Bid #: 653359
Amount: Sealed
Project Match:
75%
Submitted: 02/04/2010 12:57 PM PDT
Revised: 02/04/2010 12:59 PM PDT
Business Help
Skill Rating:
 7.7
7 skills
Service Rating:
not yet rated
Location:
OHIO, United States
Project
Category: Engineering / Architecture
Subcategory: Mechanical Engineering
Description: Need basic research performed in the area of Pneumatics / compressed air.  Will provide several links w/info.  Simply review information and provide professional opinion on letterhead. Bio or resume needed on separate doc.  Estimated time required 1-2 hrs. (if you are good … about 30 min.)  

Good analytical skills and basic math required.

Scope of research involves the following:

* It takes 7-8 HP on the compressor side to run a 1 HP air motor
* On the compressor side - 1 hp = 4 CFM
* On the air side - 90psi @ 30 CFM = 1 HP

Example written opinion:
Based on (various research / citations) it is my professional opinion that (PSI @ CFM) = 1 HP.
Bids:
Bid #: 651690
Amount: Sealed
Project Match:
100%
Submitted: 02/01/2010 07:28 PM PDT
Revised: 02/01/2010 07:28 PM PDT
Alacarte Engineering LLC
Skill Rating:
 9.6
8 skills
Service Rating:
not yet rated
Location:
IN, United States
Bid #: 651981
Amount: Sealed
Project Match:
100%
Submitted: 02/02/2010 09:33 AM PDT
Revised: 02/03/2010 06:39 AM PDT
Super CAD Studio
Skill Rating:
 8.5
8 skills
Service Rating:
not yet rated
Location:
tx, United States
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