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Search: Posts Made By: craftycoder
Forum: Vendors 04-09-2014, 03:42 PM
Replies: 883
Views: 72,465
Posted By craftycoder
Motobrain Update Video

<iframe width="640" height="360" src="//www.youtube.com/embed/ib-qav3_5BA?rel=0" frameborder="0" allowfullscreen></iframe>
Forum: Vendors 04-09-2014, 03:33 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I am using ResinLab EP1200AB

I am using ResinLab EP1200AB
Forum: Vendors 04-09-2014, 01:48 PM
Replies: 883
Views: 72,465
Posted By craftycoder
That was the point I was trying to make. The...

That was the point I was trying to make. The resin is certainly stout enough for this duty.
Forum: Vendors 04-09-2014, 01:06 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I've actually moved the mains further apart from...

I've actually moved the mains further apart from each other and farther from the the outputs in the next revision. I just got the quote back from that vendor 2 days ago actually. $2500 for 100 PCBs....
Forum: Vendors 04-09-2014, 11:34 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I'm sure you are right. In other news, you sold...

I'm sure you are right. In other news, you sold the X-Country? I loved that bike!

I've got one myself. Motobrian equipped....
Forum: Vendors 04-09-2014, 11:31 AM
Replies: 883
Views: 72,465
Posted By craftycoder
It is easy to do and the added marginal cost is...

It is easy to do and the added marginal cost is less than $0.25 for some little "walls" between the terminals. Something like this?
...
Forum: Vendors 04-09-2014, 08:04 AM
Replies: 883
Views: 72,465
Posted By craftycoder
Separators could be added to the mold, no problem...

Separators could be added to the mold, no problem there.

We are talking 12V though. Look at this PCB from a Fluke 87V. It is a 1000V safe multimeter. They do not have double the creepage space I...
Forum: Vendors 04-08-2014, 07:39 PM
Replies: 883
Views: 72,465
Posted By craftycoder
https://lh6.googleusercontent.com/-CETWfFMNgYk/U0S...

https://lh6.googleusercontent.com/-CETWfFMNgYk/U0SyoB9dQnI/AAAAAAAAI14/aFDJl5T8Cc8/w1016-h759-no/347A9EA2-156F-4650-96A9-78788F2A3031.JPG
Forum: Vendors 04-08-2014, 07:30 PM
Replies: 883
Views: 72,465
Posted By craftycoder
The vacuum was extremely effective at removing...

The vacuum was extremely effective at removing voids. So much so that the input terminals are completely filled with resin. :puke1

At least I can say I made all the possible mistakes before I got...
Forum: Vendors 04-08-2014, 02:13 PM
Replies: 883
Views: 72,465
Posted By craftycoder
The target is $300 retail. I'll know if I can...

The target is $300 retail. I'll know if I can reach that target in a few weeks when the manufacturing quotes come back.
Forum: Vendors 04-08-2014, 02:10 PM
Replies: 883
Views: 72,465
Posted By craftycoder
Tall order. The wiring harnesses are all...

Tall order. The wiring harnesses are all different. The smarter move for me would be to license the tech to bike manufacturers but that only works for the highest end bikes where the customers are...
Forum: Vendors 04-08-2014, 05:11 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I just got some good news. The gentleman who...

I just got some good news. The gentleman who received the first prototype I shipped out sent me a progress report. "Perfect" for his needs. He wants to know when he can get more. He is an OEM and...
Forum: Vendors 04-07-2014, 07:12 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I'm more concerned about the inputs, but I taped...

I'm more concerned about the inputs, but I taped them well. They will probably hold. A lot of gas leaked out of the resin during this process. I think this will be the best one yet.
Forum: Vendors 04-07-2014, 07:01 PM
Replies: 883
Views: 72,465
Posted By craftycoder
A new Motobrain is in the mold. I vacuumed it 3...

A new Motobrain is in the mold. I vacuumed it 3 times during the fill process at 25" of mercury and tilted it around get the air out. I hope I didn't fill up the wire terminals while I was doing such...
Forum: Vendors 04-06-2014, 05:29 AM
Replies: 883
Views: 72,465
Posted By craftycoder
The quality I am getting now is good enough for...

The quality I am getting now is good enough for me. I am in the process of hiring someone else to do all this PCB assembly and encapsulation for me and I will only have to pay them when it's done...
Forum: Vendors 04-05-2014, 03:52 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I did fill it half way and vacuum and then fill...

I did fill it half way and vacuum and then fill it all the way and vacuumed again. I didn't tilt it though. That makes a lot of sense. I'm really close to getting this right. You are exactly right...
Forum: Vendors 04-05-2014, 02:41 PM
Replies: 883
Views: 72,465
Posted By craftycoder
So, it isn't perfect but I will repair this one...

So, it isn't perfect but I will repair this one and try again on Monday with a bit more vacuum. The texture is very cool. It feels velvety. I wonder that huge amount of surface area will improve its...
Forum: Vendors 04-05-2014, 07:22 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I just did a light vacuum (20" of mercury). The...

I just did a light vacuum (20" of mercury). The positive pressure didn't seem to help nearly as much as pouring very slowly so that no air ever got trapped in the first place. I feel like I am...
Forum: Vendors 04-04-2014, 02:54 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I just poured a new Motobrain in a new mold with...

I just poured a new Motobrain in a new mold with new "Version 2" firmware on it. I even took your guys advice and vacuumed the mold to suck the air out. What could possibly go wrong? :eek1
Forum: Vendors 04-01-2014, 06:21 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I'm willing to throw a $800 Motobrain prototype...

I'm willing to throw a $800 Motobrain prototype into the mold now to confirm it is. That is a measure of my confidence (hubris).
Forum: Vendors 04-01-2014, 05:30 AM
Replies: 883
Views: 72,465
Posted By craftycoder
Nailed it. 45PSI and taking great care in the...

Nailed it. 45PSI and taking great care in the pouring did the trick.
...
Forum: Vendors 03-31-2014, 08:53 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I cannot do a vacuum with the current mold...

I cannot do a vacuum with the current mold because I didn't do a good enough job degassing the silicone. A good vacuum now would wreck it. More silicone is in the mail along with a new mold master so...
Forum: Vendors 03-31-2014, 08:03 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I just poured another one. This time I did it...

I just poured another one. This time I did it with "great care" (poured slow and let it flow) and then put it under 45PSI. I was hoping the pressure was a Panacea but it appears to only offers an...
Forum: Vendors 03-31-2014, 05:59 AM
Replies: 883
Views: 72,465
Posted By craftycoder
We are getting closer, but not there just yet. ...

We are getting closer, but not there just yet.

https://lh4.googleusercontent.com/-UkQU2VYI7Hk/UzllPGD5bAI/AAAAAAAAIyI/Ze1jzyzIId0/w1040-h777-no/8E26A46B-7672-479E-995C-40CDE996409C.JPG
Forum: Vendors 03-30-2014, 10:29 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I would have thought that the big open top would...

I would have thought that the big open top would have been a sufficient vent. The resin is very thick and doesn't flow easily though. It may be a big ask to get it to vent all the way through to the...
Forum: Vendors 03-30-2014, 09:01 AM
Replies: 883
Views: 72,465
Posted By craftycoder
That looks familiar. :puke1 I just poured...

That looks familiar. :puke1

I just poured another one and put have it under 45 PSI this time. I am going to leave it under pressure for an hour. Let's see how that goes? :norton
...
Forum: Vendors 03-29-2014, 03:47 PM
Replies: 883
Views: 72,465
Posted By craftycoder
The pressure vessel arrived this afternoon so I...

The pressure vessel arrived this afternoon so I just poured another Motobrain. I let it sit under 20 PSI for just a few minutes. With 6 sq/in of surface area I was pushing 120 pounds down on that...
Forum: Vendors 03-29-2014, 11:44 AM
Replies: 883
Views: 72,465
Posted By craftycoder
The resin I am currently planning to use has a...

The resin I am currently planning to use has a hardness similar to a skateboard wheel. Which is to say hard but not brittle (a bit harder than a truck tire). I am aiming for hockey puck hardness...
Forum: Vendors 03-27-2014, 06:12 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I just pulled the first demo casting from the...

I just pulled the first demo casting from the mold. I'd say it looks good except for the large void. I am going to have to try casting it under positive air pressure to get rid of the void. Removing...
Forum: Vendors 03-26-2014, 07:23 PM
Replies: 883
Views: 72,465
Posted By craftycoder
The mold looked great. The master popped right...

The mold looked great. The master popped right out easy. I did need to drill a hole in the box that I cast the mold in in order to pop it out. I gave it a little pop of compressed air and it was...
Forum: Vendors 03-26-2014, 10:59 AM
Replies: 883
Views: 72,465
Posted By craftycoder
I just cast a fake Motobrain into the silicone...

I just cast a fake Motobrain into the silicone mold. It has the PCBs and external terminals but no electronics inside. If I am happy with the results I'll go ahead and cast a real one. We will know...
Forum: Vendors 03-26-2014, 10:54 AM
Replies: 2,026
Views: 185,795
Posted By craftycoder
I've run DSM on a tablet on my WR˛ when I a...

I've run DSM on a tablet on my WR˛ when I a touring and it is great for me. I was running a 7" tablet.
Forum: Vendors 03-25-2014, 07:38 PM
Replies: 2,026
Views: 185,795
Posted By craftycoder
I don't know the answer to that. I suspect not...

I don't know the answer to that. I suspect not but I don't any pull with our friends at Google. If I did the website wouldn't be broken...
Forum: Vendors 03-25-2014, 09:30 AM
Replies: 2,026
Views: 185,795
Posted By craftycoder
I've installed two of these on my bikes and...

I've installed two of these on my bikes and shipped another to an RV OEM in Queensland, Australia. The electronics are solid and firmware is good but probably needs a few more tweaks before its...
Forum: Vendors 03-25-2014, 09:21 AM
Replies: 883
Views: 72,465
Posted By craftycoder
Silicone mold poured

I poured the silicone mold this morning. The process is quite fast. We shall see tomorrow how it looks. I am cautiously optimistic. My vacuum pump had a little performance anxiety today. While my...
Forum: Vendors 03-25-2014, 07:19 AM
Replies: 2,026
Views: 185,795
Posted By craftycoder
All true.

All true.
Forum: Vendors 03-25-2014, 06:43 AM
Replies: 2,026
Views: 185,795
Posted By craftycoder
DSM is on the back burner. I suggest you find a...

DSM is on the back burner. I suggest you find a new system that works for you. I still use the app as my main tool and really love it but the website being broken is a serious pain in my process.
...
Forum: Vendors 03-24-2014, 04:34 PM
Replies: 883
Views: 72,465
Posted By craftycoder
Motobrain has been installed on another bike. It...

Motobrain has been installed on another bike. It fits fine and this bike has hardly any space down there....
Forum: Vendors 03-19-2014, 07:08 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I am inclined to skip the Thinker or go with a...

I am inclined to skip the Thinker or go with a sticker. I do like the badge though. It looks nice.

<iframe width="640" height="360" src="//www.youtube.com/embed/p-3e0EkvIEM?rel=0&t=7s"...
Forum: Vendors 03-19-2014, 06:45 PM
Replies: 883
Views: 72,465
Posted By craftycoder
I built up a new Motobrain this evening in...

I built up a new Motobrain this evening in advance of the new Silicone mold that I'll put together this weekend. Here it is on the testing jig being run through it's paces.
...
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