Thanks Bob, I plan to contact Roger. Meanwhile I found this fairly recent
article about him and what looks to be the new design you mentioned.

http://dailyrecordnews.com/news/article_e99e7742-5159-11df-b578-001cc4c002e0.html



On Mon, Jan 17, 2011 at 10:01 PM, Bob McClure wrote:

> Roger Sparks built this. He has replaced it with a better design. I suggest
> you contact him at
>
> rsparks at elltel dot net
>
> Bob
>
> On Mon, Jan 17, 2011 at 7:02 PM, Richard Schneider wrote:
>
>> Has anyone tried this one? A vertical with a 5 to 6 second period using
>> two hacksaw blades. Would like to hear opinions as to whether this is a
>> worth-while build.
>>
>> http://www.fairpoint.net/~sparksite/CSpring%20Printer.html
>>
>
>
Thanks Bob, I plan to contact Roger. Meanwhile I found this fairly rec=
ent article about him and what looks to be the new design you mentioned.
=A0
http://dailyrecordnews.com/news/article_e99e7742-51=
59-11df-b578-001cc4c002e0.html


=A0
On Mon, Jan 17, 2011 at 10:01 PM, Bob McClure <bobmcclure90@=
gmail.com> wrote:

Roger Sparks built this. He has replaced it with a=
 better design. I suggest you contact him at


rsparks at elltel dot net

Bob
=





On Mon, Jan 17, 2011 at 7:02 PM, Richard Schneid=
er <cfi2fly@.........> wrote:


Has anyone tried this one? A vertical with a 5 to 6 second period usin=
g two hacksaw blades. Would like to hear opinions as to whether this is a w=
orth-while build.
=A0
http://www.fairpoint.net/~sparksite/CSpring%20Printer.ht=
ml