8 or 9 wraps of 28 would be closer to 1.3 or 1.5. 10 will probably be closer to 1.7 or 1.8.
YMMV
YMMV
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Russian 91% Driving Me Insane
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I would listen to what skimmer says russians are one of those attys that sub-ohmming is not really necessary its a ADV machine so try to build it between 1.2 and 1.7 I usually stay at 1.7 on my penny mod and can blow cirrus clouds for hours.
justmy
It's hard to help you because you don't show any pictures. Make sure when you tighten the center pin that the positive coil block is square on the nylon insulator underneath it straight, and not touching the negative side block. Also, I use 30 gauge at about 10 wraps and it gives me around 1.8 Ohms.
These pic's are of a KF clone, but they are about the same as a R91.
These pic's are of a KF clone, but they are about the same as a R91.
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I'm not entirely sure that there is anything wrong with your russian, I think it might just be your build.
Try some of the recommended builds in this thread, and let us know how it goes.
Try some of the recommended builds in this thread, and let us know how it goes.
Wish I could help. I just order a kayfun lite clone so I hope I dont have any problems.
On my r91- i keep the cool on the 2mm rod I use to wrap it and I wrap the legs of the coils around the screw list before tights ting the screw- then I raid thee cool about 1/65" above the air hole and make sure none of the leg is resting on the base.
- I use 28g kanthal and wrap 10-12 wraps around a 2mm rod to get 1.4-!.6 ohm. And I sick with cotton.
- I use 28g kanthal and wrap 10-12 wraps around a 2mm rod to get 1.4-!.6 ohm. And I sick with cotton.
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yep, keep the coil wrapped around whatever you used to make it before tightening it down, then use the bit, needle, whatever to make sure it's lifted and positioned well clear of the air intake. if it's not touching anywhere but where it should, and you are getting sub ohm readings, then you haven't wrapped enough coils.
From the picture, my guess would be that the coil is contacting the chimney portion when it is assembled. You only need about a 2 mil. gap between the coil and the air tube, that should give the clearance needed. Good luck
I wrap the legs around the posts and screw the posts down to take the first reading. I don't snip off the ends of the wire though, so I can take the coil off and adjust the number of wraps if necessary.
Also the coil legs are too long. You can shorten them by allowing the coil to sit at a 45% angle to the post. For clarity I would describe the pictured coil to be sitting at a 90% angle to the post.
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Ha, ha, ha , I missed that totally. Well I hope the OP can glean something from my post using the pictured coil as reference.
This is one of mine- this one is as close to "textbook" as I have the coil is a tad misshaped but it's 3 months old.
Notice the legs not touching the deck till it's screwed in and it's an angle to the posts
It's 28g kanthal wrapped around a 1.8 mm screwdriver instead of my regular rod. This one is 1.7 ohm and I fire it at 3.8V
Notice the legs not touching the deck till it's screwed in and it's an angle to the posts
It's 28g kanthal wrapped around a 1.8 mm screwdriver instead of my regular rod. This one is 1.7 ohm and I fire it at 3.8V
@T0ny3
Well, aren't you fancy!
May I present the caterpillar coil; proof that it doesn't have to look purdy to work. I think this was about 1.7Ω.
i haz makes them straighterer now.
Well, aren't you fancy!
May I present the caterpillar coil; proof that it doesn't have to look purdy to work. I think this was about 1.7Ω.
i haz makes them straighterer now.
I would take pictures of mine, but I'm using it, so 
Besides if you've seen one micro coil wrapped around a 14 gauge needle, you've seen them all.
Besides if you've seen one micro coil wrapped around a 14 gauge needle, you've seen them all.
Awww...
I wish I had taken a picture of the caterpillar coil I made on purpose. I was trying to get it shaped more like a real caterpillar. It came out looking sort of like an inchworm and was 9 ohms.
I would take pictures of mine, but I'm using it, so
Besides if you've seen one micro coil wrapped around a 14 gauge needle, you've seen them all.
Not necessarily. I hope someday to have a picture of a coil Statistic made for his kittyz great friend in the middle of a heated discussion. It was sort of like
∩∩∩∩
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