I'm going to make a few EM battery pack bottoms, does anyone need one? As I understand they are in short supply.
They won't be anything fancy or earth shattering just a ULE replacement for the factory part.
I'm going to make a few EM battery pack bottoms, does anyone need one? As I understand they are in short supply.
They won't be anything fancy or earth shattering just a ULE replacement for the factory part.
When you make them, hollow the bottom out on the inside to make them a bit longer on the inside dimensions. That way, users can use the longer button cells for replacement battery packs without making the battery too tight in the housing. Users having original length packs, can still use a spacer to keep the pack from moving.
Except for the Automag in front, its usually the man behind the equipment that counts.
How much and are you talking about just the bottom part of the battery holder?
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Just be careful. There is exactly ZERO room for error or the bolt heads will be through the wall of the bottom. Been there done this.
I would be interested in a few. If I remember correctly, I had about 4-5 times in the re-anodizing process where the bottom piece disappeared and I had to track down another one. I would stick to the original design of the bottom part dovetail and all. I remember the custom milled packs with the dovetail milled off would sometimes cut it too close to the end of the piece. (Hopefully that makes sense) If not, I will get some pictures for comparison.
It's gotta work, I need one lol
I got around to doing some measuring and the thinnest wall that looks like it could be a problem in the anno tank is between the dovetail and the countersink for the bolt head, it's 0.0177". I can fudge that some because the dove tail has no use down there at the bottom.
When I reverse engineered the part years ago, I did the cavity bottoms with a wall thickness of 0.066" which is sufficient. (Per Tunamans comment)
On the other bolt head "countersink wall" the thinnest part is 0.022" cant really fudge that because it wouldn't match the pack.
I wonder if the anno guys are running the tanks with to many amps?
I dont recall ever seeing one without the dove tail, does it look OK on the pack?
It would save time if I didn't do the dovetail, I could pass that on to you guys. I want to make these low enough in price that it wouldn't make sense to send one in for ULE milling. That way I can drop that mod service and just sell the new ULE bottoms.
Last edited by BLachance75; 07-12-2014 at 05:20 PM.
I would have to say Option 1 as well.
I like option 2. Why do we need the dovetail on the bottom at all. Without the dovetail it is much easier to make, it is stronger, and it doesn't have any sharp points.
Got these done today, I went with option 1.
I'm going to stock these and no longer offer the ule milling.
Hey Luke did you put one in my package you shipped out today? If so you are awesome! lol