Precise 16340/18650 Update

Status
Not open for further replies.

Teo

Senior Member
ECF Veteran
Verified Member
Apr 29, 2010
90
22
Appleton, WI
I had originally estimated 6 weeks on these which the six weeks is up at the end of the week. It's gone by fast for me as i've been proto typing and re-prototyping as i make tweaks.

There hasn't been any significant setbacks but there have been a few changes:

-One change i made was to have a custom machined brass contact post for the end of the switch. It's chamfered on the end and deep slotted both ways, giving four contact areas for better switch to battery connection and easier removal when adjusting switch throw.

-Another One of the changes i made from the original blueprints i submitted was to make the switch and spring so it fits both the P16 and P18. The bodies are machined from solid core stainless rod, which allowed me to machine the switch end of both models to the same ID and then to step up to the appropriate ID for the different battery models. Like the Precise 10440, the P16 and P18 aren't just a machined straight thru tube, theres a machined in ledge in there which supports the spring and seperates the switch chamber from the battery chamber, which is much more pronounced in the P16 and P18.

I'll get some Precise 18650 photo's up for you shortly.

Please know that i am doing all i can do to get these out asap, but the machine shop is usually always the bottle neck. It isn't their fault though, i slammed them hard with not one, but two different models to be made concurrently. They have done an awesome job for me in the past, make last minute changes for me without complaint and I'm confident you'll be blown away by the end result.

David


Thanks David!
We know the Quality is there! It is just the initial wait that is the hardest! For those that already are LUCKY enough to have a entire rack full of your products, their trigger fingers are well relaxed! For those of us who do-not? The uncontrollable spasms are a sight to behold! lol-lol :vapor::)

Thanks!! Hopefully Soon for order #2887 and ALL others.
 

forcedfuel50

Unregistered Supplier
ECF Veteran
You'll really like the new Precises, my mom was sad to see them go!

I should mention, the new style AW 18650 flat top battery really kicked some ... in the longevity department. I can't tell you the exact hours we got out of it as it was spread out over three days (approximatelty 16 hours of heavy vaping). The thing my mom most noted was that there was minimal drop off throughout it's vaping life. I again highly recommend this battery for use in the Precise 18650! If you don't have them, get them, you won't regret it!

AW 18650 Protected 2600 mAh Rechargeable Lithium Battery - New Version

thumbnail.asp
 
Last edited:

Switched

ECF Guru
ECF Veteran
Feb 18, 2010
10,144
2,544
Dartmouth, NS Canada
You'll really like the new Precises, my mom was sad to see them go!

I should mention, the new style AW 18650 flat top battery really kicked some ... in the longevity department. I can't tell you the exact hours we got out of it as it was spread out over three days (approximatelty 16 hours of heavy vaping). The thing my mom most noted was that there was minimal drop off throughout it's vaping life. I again highly recommend this battery for use in the Precise 18650! If you don't have them, get them, you won't regret it!

AW 18650 Protected 2600 mAh Rechargeable Lithium Battery - New Version

thumbnail.asp
Glad ya made 'em fit that one. because those are the batts I got and asked about in the beginning. IMHO, the best 18650 out there, bar none.
 

gatsby

Super Member
ECF Veteran
Apr 16, 2009
602
30
Albuquerque, NM
You'll really like the new Precises, my mom was sad to see them go!

I should mention, the new style AW 18650 flat top battery really kicked some ... in the longevity department. I can't tell you the exact hours we got out of it as it was spread out over three days (approximatelty 16 hours of heavy vaping). The thing my mom most noted was that there was minimal drop off throughout it's vaping life. I again highly recommend this battery for use in the Precise 18650! If you don't have them, get them, you won't regret it!

AW 18650 Protected 2600 mAh Rechargeable Lithium Battery - New Version

thumbnail.asp

I just ordered a couple of the AW 18650 flat tops 2 days ago. The race is one David. Will I have to stare at batteries wishing I had my P18 or stare at my P18 wishing I had my batteries?
 

JollyRogers

Ultra Member
ECF Veteran
Verified Member
Dec 30, 2009
2,537
1,070
Virginia
Those are the AW's I have been using for about 2 months now in my current 18650 mod. The best battery hands down I have ever used, in my 18650 mod, puts all other PV's I have tried to shame (none where 18650 mods though). Though I wish no one else knew about this batery!!! Sometimes they are hard to get.
 

BrockJ

Ultra Member
ECF Veteran
Sep 12, 2009
1,394
3
Dallas, Texas
I only have two for my 18650 PV. Been cycling these for a while now.

I don't see the need for more then three or four. TIme will kill them before the cycles do..

There were some questions in a PM I got) about the voltage of the IMR's just coming off of the WF-139 chargers.
I drained and recharged both the 18650 and the 16340 on both the WF-139 and the TR-001.

Results (both batteries came out the same)

WF-139 = 4.23v / TR-001 = 4.22v

AW makes a statement about charging above 4.25 I feel OK with these numbers...

Going to try charging them on a real lipo charger (Hyperion EOS720I) and see what I get.
 

BrockJ

Ultra Member
ECF Veteran
Sep 12, 2009
1,394
3
Dallas, Texas
"Going to try charging them on a real lipo charger (Hyperion EOS720I) and see what I get."

sorry for the OT comment, but are you an R/C flier? reason i ask is because you mentioned the 720i, i have the 615i DUO3 that i use to charge my 6S 3300mAh lipo's for my T-Rex 500.

I am... 2 - 500's V-Bar/ 1 - 700 nitro V-Bar/ 5 - 450's (couple of Raves) and a 250

Run a Hobby Shop for a friend of mine in Lewisville on the weekends.. Love the hobby.... Been flying for about 3 years. Old Pic of a few..
DSC00861.JPG
 
Last edited:

forcedfuel50

Unregistered Supplier
ECF Veteran
Just emailed my machine shop on ETA and this is his exact reply from just moments ago:

"It looks like the end of next week at the latest. I will keep you updated when possible."

Hang in there...i can taste it now:) I'll pick up any parts he gets done early and start prepping them.

David
 

BrockJ

Ultra Member
ECF Veteran
Sep 12, 2009
1,394
3
Dallas, Texas
As far as the radio range goes, farther than you can see.

For a blade stop auto I'll shoot one up 300 or so feet... They come down really fast 8-o

They'll rip along around 100mph and stop on a dime.. It's a blast.

My largest heli (not in that picture) is just @ 70" tail to blade tip, rotor span right @ 74", rpm @r 2150, runs on 30% nitro. All the others are lipo powered..

It's by far the most expensive thing I've ever done except get a divorce and both have been worth every penny to me..
 

New_World

Super Member
ECF Veteran
Oct 25, 2009
752
14
As far as the radio range goes, farther than you can see.

For a blade stop auto I'll shoot one up 300 or so feet... They come down really fast 8-o

They'll rip along around 100mph and stop on a dime.. It's a blast.

My largest heli (not in that picture) is just @ 70" tail to blade tip, rotor span right @ 74", rpm @r 2150, runs on 30% nitro. All the others are lipo powered..

It's by far the most expensive thing I've ever done except get a divorce and both have been worth every penny to me..

looks like fun.
I have a family member who is into this hobby.
those things are crazy awesome.
the kids sh*!t their pants when they see em go. lol
 
Status
Not open for further replies.

Users who are viewing this thread