81 speed trike in progress

[Rorschandt]

Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in a
week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter 4130
CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that allows for a
ridiculous 81 gear combinations. This is a somewhat high riding design to accomadate the position my
neck requires. http://pictures.care2.com/view/1/844656287 Thanks for looking at my stuff.

rorschandt

 

[Bg]

Cool frame design. How you gonna do the rear suspension? bill g

rorschandt wrote:

> Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in a
> week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter 4130
> CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that allows for a
> ridiculous 81 gear combinations. This is a somewhat high riding design to accomadate the position
> my neck requires. http://pictures.care2.com/view/1/844656287 Thanks for looking at my stuff.
>
> rorschandt

 

[Joshua Goldberg]

The fairing angle is all wrong and that seat...It'll never sell....sheeesh -------just messing with
you---I love it----------- That mid-drive is scarey, the highest I went was 63, 7x3x3 and I have the
same seat, flag mast position, front tires. Love the height of your USS grips though, mine are sooo
low it looks like I am gripping my buttocks. More tadpole details once ur finished....pleeez
----------------------------------------------------------
"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in a
> week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter 4130
> CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that allows for a
> ridiculous 81 gear combinations. This is a somewhat high riding design to accomadate the position
> my neck requires. http://pictures.care2.com/view/1/844656287 Thanks for looking at my stuff.
>
> rorschandt

 

[Mlb]

> Thanks for looking at my stuff.
>
> rorschandt

Looks great Dean! Let me know when you're ready to roll! MikeB

 

[Rorschandt]

bg <[email protected]> wrote in news:[email protected]:

> Cool frame design. How you gonna do the rear suspension? bill g
>
Thanks. All is in place except for an air adjustable shock. The mid-drive and swingarm pivot is
shared on a 12mm shaft, thus eliminating drive induced pogo.The shock will go in place of one of
those wood blocks beneath the seat, horizontally. I'll have better pictures later.

rorschandt

 

[Rorschandt]

"Joshua Goldberg" <[email protected]> wrote in
news:[email protected]:

> The fairing angle is all wrong and that seat...It'll never sell....sheeesh -------just messing
> with you---I love it----------- That mid-drive is scarey, the highest I went was 63, 7x3x3 and I
> have the same seat, flag mast position, front tires. Love the height of your USS grips though,
> mine are sooo low it looks like I am gripping my buttocks. More tadpole details once ur
> finished....pleeez

I should mention that the completed trike in the photo(me sitting on it with dogs about)is the Tulpa
Trike of Yore. The new trike, dubbed Chaco, will probably be purple. rorschandt

 

[Joshua Goldberg]

Oh Yeah RU planning on sticking with the VT5000s or will there be any Disc Brakes in the future?
--------------------------------------------------------------------
"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> bg <[email protected]> wrote in news:[email protected]:
>
> > Cool frame design. How you gonna do the rear suspension? bill g
> >
> Thanks. All is in place except for an air adjustable shock. The mid-drive and swingarm pivot is
> shared on a 12mm shaft, thus eliminating drive induced pogo.The shock will go in place of one of
> those wood blocks beneath the seat, horizontally. I'll have better pictures later.
>
> rorschandt

 

[Tony]

On Fri, 07 Mar 2003 07:45:19 -0600, rorschandt <[email protected]> wrote:

>Here is a link to some pictures of my newest trike, in progress.

Looks great, Dean! A space-frame recumbent trike. I like it!

How do you like the Swanson seat?

Regards,

Tony

 

[Mlb]

[email protected] (Tony) wrote in news:3e68e915.171473819 @news.bright.net:

> On Fri, 07 Mar 2003 07:45:19 -0600, rorschandt <[email protected]> wrote:
>
>>Here is a link to some pictures of my newest trike, in progress.
>
> Looks great, Dean! A space-frame recumbent trike. I like it!
>
> How do you like the Swanson seat?
>
> Regards,
>
>
> Tony
>

Very Ducati-esqe

 

[Hel-Bent]

Looks great! I wanted to build a space frame similar to that but using a dihedral type of structure.
Unfortunately, aluminum was not a good choice for such a structure. Please post some pictures when
you have it completed.

Regards,

--
Rickey Horwitz Hell-bent Cycle Works http://www.hellbentcycles.com

"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in a
> week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter 4130
> CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that allows for a
> ridiculous 81 gear combinations. This is a somewhat high riding design to accomadate the position
> my neck requires. http://pictures.care2.com/view/1/844656287 Thanks for looking at my stuff.
>
> rorschandt

 

[Skip]

It seems to me you are out of the homebuilder class and are now at a pro level. The space frame
looks great - wish I had the smarts to design and build something like that.

Oh yeah, I also like the neat garage, the dogs, and the Beemer convertible.

Skip

"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> http://pictures.care2.com/view/1/844656287 Thanks for looking at my stuff.

 

[A&B]

Sounds like a good ride. What shock? Fox? Like to see pics. bill g

rorschandt wrote:

> All is in place except for an air adjustable shock. The mid-drive and swingarm pivot is shared on
> a 12mm shaft, thus eliminating drive induced pogo.The shock will go in place of one of those wood
> blocks beneath the seat, horizontally. I'll have better pictures later.
>
> rorschandt

 

[Joshua Goldberg]

I knew that....eventually. I kept pics of the Tulpa from last year and when I saw it again...at 1st
I thought, damn he has done a clone, even kept the red paint and Drum Brakes...then I thought maybe
you moved the Drums to the clone....then I compared the old pics and the new pics and realized you'd
made an exact clone...then I figured it all out.
------------------------------------------------------------------
"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> "Joshua Goldberg" <[email protected]> wrote in
> news:[email protected]:
>
> > The fairing angle is all wrong and that seat...It'll never sell....sheeesh -------just messing
> > with you---I love it----------- That mid-drive is scarey, the highest I went was 63, 7x3x3 and I
> > have the same seat, flag mast position, front tires. Love the height of your USS grips though,
> > mine are sooo low it looks like I am gripping my buttocks. More tadpole details once ur
> > finished....pleeez
>
> I should mention that the completed trike in the photo(me sitting on it with dogs about)is the
> Tulpa Trike of Yore. The new trike, dubbed Chaco, will probably be purple. rorschandt

 

[B. Sanders]

"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in a
> week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter 4130
> CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that allows for a
> ridiculous 81 gear combinations. This is a somewhat high riding design to accomadate the position
> my neck requires. http://pictures.care2.com/view/1/844656287 Thanks for looking at my stuff.

Beautiful design. Looks like a sculpture. Is the space frame a stiffer and/or lighter structure than
large-diameter boom tube, or was there another reason?

Definitely post some photos of the finished trike and let us know how it handles.

-Barry

 

[Rorschandt]

"B. Sanders" <[email protected]> wrote in news:BIgaa.7558$L1.2252@sccrnsc02:

> "rorschandt" <[email protected]> wrote in message
> news:[email protected]...
>> Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in a
>> week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter
>> 4130 CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that
>> allows for a ridiculous 81 gear combinations. This is a somewhat high riding design to
>> accomadate the position my neck requires. http://pictures.care2.com/view/1/844656287 Thanks for
>> looking at my stuff.
>
> Beautiful design. Looks like a sculpture. Is the space frame a stiffer and/or lighter structure
> than large-diameter boom tube, or was there another reason?

Theoretically, the spaceframe uses less metal and is much stiffer. If I did it right, the main frame
should behave like a rectangular tube that is 3" by 4" with about a third the weight of a steel tube
that size. Plus it looks cool. (~: Wind resistance may be increased because of "all those little
tubes", but I've some ideas to counteract that.

rorschandt

 

[Joshua Goldberg]

Counteracting increased wind resistence eh Wonder how much a sheath of Carbon Fiber or Fiberglass
would weigh?...maybe add side sockets to connect Wings.
------------------------------------------------------------------
"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> "B. Sanders" <[email protected]> wrote in news:BIgaa.7558$L1.2252@sccrnsc02:
>
> > "rorschandt" <[email protected]> wrote in message
> > news:[email protected]...
> >> Here is a link to some pictures of my newest trike, in progress. I hope to have it rideable in
> >> a week or two, and actually finished a few weeks after that. The tubing is 3/8" & 1/4" diameter
> >> 4130 CrMo. It will have rear suspension, hydraulic front disc brakes, and a mid-drive that
> >> allows for a ridiculous 81 gear combinations. This is a somewhat high riding design to
> >> accomadate the position my neck requires. http://pictures.care2.com/view/1/844656287 Thanks for
> >> looking at my stuff.
> >
> > Beautiful design. Looks like a sculpture. Is the space frame a stiffer and/or lighter structure
> > than large-diameter boom tube, or was there another reason?
>
> Theoretically, the spaceframe uses less metal and is much stiffer. If I
did
> it right, the main frame should behave like a rectangular tube that is 3" by 4" with about a third
> the weight of a steel tube that size. Plus it looks cool. (~: Wind resistance may be increased
> because of "all those little tubes", but I've some ideas to counteract that.
>
> rorschandt

 

[Rorschandt]

"Joshua Goldberg" <[email protected]> wrote in
news:[email protected]:

> Counteracting increased wind resistence eh Wonder how much a sheath of Carbon Fiber or Fiberglass
> would weigh?...maybe add side sockets to connect Wings.
> ------------------------------------------------------------------
Saran Wrap would be much cheaper (~: and probably lighter.

rorschandt

 

[Joshua Goldberg]

Damn...I was going to say Saran Wrap but I thought it would be too simple. How about this one: Make
all the vertical tubes 3 sided with razor sharp edge facing forward to cut through the wind...also
handy for slicing Kosher Salami while sitting there waiting for the Traffic Lights to turn Green.
Just think of all the accolades from female DF cyclists...COOL trike, BIG Salami.

---------------------------------------------------------------
"rorschandt" <[email protected]> wrote in message
news:[email protected]...
> "Joshua Goldberg" <[email protected]> wrote in
> news:[email protected]:
>
> > Counteracting increased wind resistence eh Wonder how much a sheath of Carbon Fiber or
> > Fiberglass would weigh?...maybe add side sockets to connect Wings.
> > ------------------------------------------------------------------
> Saran Wrap would be much cheaper (~: and probably lighter.
>
> rorschandt

 

[Ian Smith]

On Sat, 8 Mar 2003, Joshua Goldberg <[email protected]> wrote:

> How about this one: Make all the vertical tubes 3 sided with razor sharp edge facing forward to
> cut through the wind...

You'd get boundary layer seperation at the trailing corners, and almost certainly more drag than
sticking to round tubes of the same width. Triangles facing the oppositte direction would be better,
but possibly still not as good as circular tubes (even ignoring teh fact that teh circular tubes may
well manage as smaller sections).

> also handy for slicing Kosher Salami while sitting there waiting for the Traffic Lights to turn
> Green. Just think of all the accolades from female DF cyclists...COOL trike, BIG Salami.

You can slice teh salsami whichever way the triangles face.

regards, Ian SMith
--
|\ /| no .sig
|o o|
|/ \|

 

[Dave Lehnen]

rorschandt wrote: <snip>
>
>
> Theoretically, the spaceframe uses less metal and is much stiffer. If I did it right, the main
> frame should behave like a rectangular tube that is 3" by 4" with about a third the weight of a
> steel tube that size. Plus it looks cool. (~: Wind resistance may be increased because of "all
> those little tubes", but I've some ideas to counteract that.
>
> rorschandt

You might try covering the frame with heat-shrinkable lightweight fabric made for covering model
airplanes. Or even the heavier fabric sold for homebuilt aircraft. Monokote would be even lighter,
but would tear too easily. You might find a translucent color that wouldn't totally hide the
spaceframe.

Beautiful job on the frame. I've always liked spaceframes, like Birdcage Maseratis, 300 SL's,
Ducatis, etc.

Dave Lehnen