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help building drywasher


johnhudd

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Hi,

I'm new to this forum, and to prospecting. A few years ago I tried building a dry washer because I wanted to try desert prospecting. I never really had a chance to go, but I want to try again. I pulled out my dry washer and realized that it has many problems. I'll post some pictures. I know it's not very good, so please, no laughing. I got the plans out of a book.

Some questions: what do you use to make an airtight seal between the bellows and riffle tray, and how do you clamp them down? How do you make a riffle tray out of wood? I tried using glue, but it's not strong enough. It's hard to be precise enough with screws. What about the bottom frame? I think I will just build a completely new riffle tray. I have washer as spacer between the frame. Should I use something else?

If I could restart I would completely change the design, but I would like to save this one if it's possible. Please let me know if there is anything I can do to save this one. Any suggestions at all would be appreciated. Thanks.

post-26818-0-50696200-1372702006_thumb.j

post-26818-0-34204500-1372702013_thumb.j

post-26818-0-66992700-1372702018_thumb.j

post-26818-0-39273400-1372702022_thumb.j

post-26818-0-59193100-1372702026_thumb.j

post-26818-0-32437200-1372702030_thumb.j

post-26818-0-13646300-1372702034_thumb.j

post-26818-0-60005200-1372702038_thumb.j

post-26818-0-81477200-1372702041_thumb.j

post-26818-0-02477400-1372702046_thumb.j

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You can use the foam tape made for window and door seals to make an airtight fit at the tray to box like on my Keene I would think and looks like you can make that one work, I think is is a pretty good job from what I am seeing and I am sure others will offer some help on this....

A small clamp will work to hold the tray to the bellows box as in this diagram

drywasher-plans-i3.jpg

Frank has got this down to a science and if you do a search for his posts on building drywashers you will get some good info and I believe there is one in this section if you look back a ways... Welcome to the forum!

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" Sam Radding" is the authors name and he has a few books out there with easy to follow plans to get rollin.
And buy the "sponge rubber" weathersealing type tape for the bellows seal it is better than foam.

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You can use the foam tape made for window and door seals to make an airtight fit at the tray to box like on my Keene I would think and looks like you can make that one work, I think is is a pretty good job from what I am seeing and I am sure others will offer some help on this....

A small clamp will work to hold the tray to the bellows box as in this diagram

drywasher-plans-i3.jpg

Frank has got this down to a science and if you do a search for his posts on building drywashers you will get some good info and I believe there is one in this section if you look back a ways... Welcome to the forum!

Beleee dat!!! Welcome John. Hey Frank I just got back from BHC...are you kidding me? 122!!!

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Replace it if it blows out, but try it first, you might find yourself having to tweek various things here and there anyways so keep moving forward. Hopefully it's starting to cool a little by now up there, that last weekend was SMOKIN HOT!!!!

Edited by Bucket
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