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Content-Type: text/plain; charset="utf-8"
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If you are interested in a new velomobile gearing technique, have a look at=
https://www.youtube.com/watch?v=3D-LIyl4aGpac. This allows almost all the = drive mechanism to be inside a velomobile body, out of the dirt and dust. T=
he mechanism was developed by Drymer and Sinner Bikes. The Drymer-Sinner Hi= lgo velomobile will only set you back 7,750 Euros.

Detail:

- Two front chainrings; 34 =E2=80=9350T;
150mm SD-cranks standard o Shorter cranks are possible
- Shimano 105 11-Speed front derailer
- 11-speed chain KMC
- Sunrace 11- speed 11-40T cassette
- Shifting system developed by Drymer - Sinner;
o Super light shifting
o Super fast shifting
o Intuitive handling
o Wide gear range
o Drop - in mid-drive axle
o Optimal chain tension in every gear
o Robust
-=C2=A0 Sturmey-Archer 70mm drum brakes
- Front light; Busch+M=C3=BCller IXON- X E 150LUX mounted in the nose.
- Interior LED light
- 1 PC. Battery 12V
- Tires; Rear maximum 55-406; Front maximum 44-406
- Suspension; McPherson front struts, rear Hilgo shock absorber. (maintena=
nce free)
- Self supporting, removable seat (glass fiber)
- Cateye Enduro 8
- Wheel covers black
- Mirror Zefal Spin

The way of the future in velomobiles? The Hilgo mechanism=C2=A0 indicates =
a departure from typical bicycle engineering parts to purpose velomobile st= uff. The derailleur system looks like it is a push-me-pull-you affair with = two cables. Easily replaced with a stepper motor? Now there's an idea. I do= n't know if there is any cassette on the rear wheel. Possibly not as there = are 22 gears available in any case. Note that the mechanism has a modern MT=
B cassette with a 40t lowest gear. I love the chain tensioner.

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If you are interested in a new velomobile gearing technique, have a look at=
<a title=3D"Drymer-Sinner Hilgo Gearing" href=3D"https://www.youtube.com/w= atch?v=3D-LIyl4aGpac" target=3D"_blank" rel=3D"noopener">https://www.youtub= e.com/watch?v=3D-LIyl4aGpac</a>. This allows almost all the drive mechanism=
to be inside a velomobile body, out of the dirt and dust. The mechanism wa=
s developed by Drymer and Sinner Bikes. The Drymer-Sinner Hilgo velomobile = will only set you back 7,750 Euros.<br /><br />Detail:<br /><br />
<div style=3D"left: 148.04px; top: 538.6833333333333px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Two front cha= inrings; 34 &ndash;50T;</span></div>
<div style=3D"left: 413.283px; top: 538.683px; font-size: 18.4px; font-fam= ily: sans-serif; transform: scaleX(0.922168);"><span style=3D"font-size: 11= pt;">150mm SD-cranks standard o Shorter cranks are possible</span></div>
<div style=3D"left: 148.04px; top: 590.0833333333333px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Shimano 105 1= 1-Speed front derailer</span></div>
<div style=3D"left: 148.04px; top: 615.8833333333332px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- 11-speed chai=
n KMC </span></div>
<div style=3D"left: 148.04px; top: 641.6833333333333px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Sunrace 11- s= peed 11-40T cassette</span></div>
<div style=3D"left: 148.04px; top: 667.2833333333333px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Shifting syst=
em developed by Drymer - Sinner; </span></div>
<div style=3D"left: 208.0333333333333px; top: 691.5649739583332px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Sup=
er light shifting</span></div>
<div style=3D"left: 208.0333333333333px; top: 717.3649739583332px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Sup=
er fast shifting </span></div>
<div style=3D"left: 208.0333333333333px; top: 742.9649739583332px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Int= uitive handling</span></div>
<div style=3D"left: 208.0333333333333px; top: 768.7649739583331px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Wid=
e gear range</span></div>
<div style=3D"left: 208.0333333333333px; top: 794.5983072916665px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Dro=
p - in mid-drive axle</span></div>
<div style=3D"left: 208.0333333333333px; top: 820.1983072916665px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Opt= imal chain tension in every gear</span></div>
<div style=3D"left: 208.0333333333333px; top: 845.9983072916665px; font-si=
ze: 18.4px; font-family: monospace;"><span style=3D"font-size: 11pt;">o Rob= ust</span></div>
<div style=3D"left: 148.04px; top: 873.3166666666666px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">-&nbsp; Sturmey= -Archer 70mm drum brakes </span></div>
<div style=3D"left: 148.04px; top: 899.1166666666666px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Front light; = Busch+M&uuml;ller IXON- X E 150LUX mounted in the nose.</span></div>
<div style=3D"left: 148.04px; top: 924.7166666666666px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Interior LED = light</span></div>
<div style=3D"left: 148.04px; top: 950.5166666666667px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- 1 PC. Battery=
12V</span></div>
<div style=3D"left: 148.04px; top: 976.3166666666666px; font-size: 18.4px;=
font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Tires; Rear m= aximum 55-406; Front maximum 44-406</span></div>
<div style=3D"left: 148.04px; top: 1001.9166666666665px; font-size: 18.4px=
; font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Suspension; = McPherson front struts, rear Hilgo shock absorber. (maintenance free)</span= ></div>
<div style=3D"left: 148.04px; top: 1027.7166666666665px; font-size: 18.4px=
; font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Self support= ing, removable seat (glass fiber) </span></div>
<div style=3D"left: 148.04px; top: 1053.5166666666667px; font-size: 18.4px=
; font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Cateye Endur=
o 8 </span></div>
<div style=3D"left: 148.04px; top: 1079.1166666666666px; font-size: 18.4px=
; font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Wheel covers=
black</span></div>
<div style=3D"left: 148.04px; top: 1104.9666666666665px; font-size: 18.4px=
; font-family: sans-serif;"><span style=3D"font-size: 11pt;">- Mirror Zefal=
Spin</span><br /><br /><span style=3D"font-family: helvetica neue; font-si= ze: 11pt;">The way of the future in velomobiles? The Hilgo mechanism&nbsp; = indicates a departure from typical bicycle engineering parts to purpose vel= omobile stuff. The derailleur system looks like it is a push-me-pull-you af= fair with two cables. Easily replaced with a stepper motor? Now there's an = idea. I don't know if there is any cassette on the rear wheel. Possibly not=
as there are 22 gears available in any case. Note that the mechanism has a=
modern MTB cassette with a 40t lowest gear. I love the chain tensioner.</s= pan></div>

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[Edited Message Follows]
[Reason: Added another link at the bottom.]

If you are interested in a new velomobile gearing technique, have a look a=
t https://www.youtube.com/watch?v=3D-LIyl4aGpac. This allows almost all the=
drive mechanism to be inside a velomobile body, out of the dirt and dust. = The mechanism was developed by Drymer and Sinner Bikes. The Drymer-Sinner H= ilgo velomobile will only set you back 7,750 Euros.

Detail:

- Two front chainrings; 34 =E2=80=9350T;
150mm SD-cranks standard o Shorter cranks are possible
- Shimano 105 11-Speed front derailer
- 11-speed chain KMC
- Sunrace 11- speed 11-40T cassette
- Shifting system developed by Drymer - Sinner;
o Super light shifting
o Super fast shifting
o Intuitive handling
o Wide gear range
o Drop - in mid-drive axle
o Optimal chain tension in every gear
o Robust
-=C2=A0 Sturmey-Archer 70mm drum brakes
- Front light; Busch+M=C3=BCller IXON- X E 150LUX mounted in the nose.
- Interior LED light
- 1 PC. Battery 12V
- Tires; Rear maximum 55-406; Front maximum 44-406
- Suspension; McPherson front struts, rear Hilgo shock absorber. (maintena=
nce free)
- Self supporting, removable seat (glass fiber)
- Cateye Enduro 8
- Wheel covers black
- Mirror Zefal Spin

The way of the future in velomobiles? The Hilgo mechanism=C2=A0 indicates =
a departure from typical bicycle engineering parts to purpose velomobile st= uff. The derailleur system looks like it is a push-me-pull-you affair with = two cables. Easily replaced with a stepper motor? Now there's an idea. I do= n't know if there is any cassette on the rear wheel. Possibly not as there = are 22 gears available in any case. Note that the mechanism has a modern MT=
B cassette with a 40t lowest gear. I love the chain tensioner.
Also have a look at http://hilgovelo.blogspot.com/2017/11/the-hilgo-story.= html for the development story by one of the Sinner people - Harry - to get=
a greater understanding of how good it is. You will see that it is shifted=
by two cables.
Now, can I come up with a home-made variation that I can swap in before I =
get too far advanced? It seems simple enough. Is there yet one more velomob= ile to build?

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<p>[Edited Message Follows]<br>
[Reason: Added another link at the bottom.]</p>
If you are interested in a new velomobile gearing technique, have a look a=
t <a title=3D"Drymer-Sinner Hilgo Gearing" href=3D"https://www.youtube.com/= watch?v=3D-LIyl4aGpac" target=3D"_blank" rel=3D"nofollow noopener">https://= www.youtube.com/watch?v=3D-LIyl4aGpac</a>. This allows almost all the drive=
mechanism to be inside a velomobile body, out of the dirt and dust. The me= chanism was developed by Drymer and Sinner Bikes. The Drymer-Sinner Hilgo v= elomobile will only set you back 7,750 Euros.<br /><br />Detail:<br /><br /=

<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Two front chainrings; 34 &ndash;50T;</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">150mm SD-cranks standard o Shorter cranks are possible</s= pan></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Shimano 105 11-Speed front derailer</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- 11-speed chain KMC </span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Sunrace 11- speed 11-40T cassette</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Shifting system developed by Drymer - Sinner; </span></=

<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Super light shifting</span></div>
<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Super fast shifting </span></div>
<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Intuitive handling</span></div>
<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Wide gear range</span></div>
<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Drop - in mid-drive axle</span></div>
<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Optimal chain tension in every gear</span></div>
<div style=3D"font-size: 18.4px; font-family: monospace;"><span style=3D"f= ont-size: 11pt;">o Robust</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">-&nbsp; Sturmey-Archer 70mm drum brakes </span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Front light; Busch+M&uuml;ller IXON- X E 150LUX mounted=
in the nose.</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Interior LED light</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- 1 PC. Battery 12V</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Tires; Rear maximum 55-406; Front maximum 44-406</span>= </div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Suspension; McPherson front struts, rear Hilgo shock ab= sorber. (maintenance free)</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Self supporting, removable seat (glass fiber) </span></=

<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Cateye Enduro 8 </span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Wheel covers black</span></div>
<div style=3D"font-size: 18.4px; font-family: sans-serif;"><span style=3D"= font-size: 11pt;">- Mirror Zefal Spin</span><br /><br /><span style=3D"font= -family: helvetica neue; font-size: 11pt;">The way of the future in velomob= iles? The Hilgo mechanism&nbsp; indicates a departure from typical bicycle = engineering parts to purpose velomobile stuff. The derailleur system looks = like it is a push-me-pull-you affair with two cables. Easily replaced with =
a stepper motor? Now there's an idea. I don't know if there is any cassette=
on the rear wheel. Possibly not as there are 22 gears available in any cas=
e. Note that the mechanism has a modern MTB cassette with a 40t lowest gear=
. I love the chain tensioner.<br />Also have a look at <a title=3D"More det= ail" href=3D"http://hilgovelo.blogspot.com/2017/11/the-hilgo-story.html" ta= rget=3D"_blank" rel=3D"noopener">http://hilgovelo.blogspot.com/2017/11/the-= hilgo-story.html</a> for the development story by one of the Sinner people =
- Harry - to get a greater understanding of how good it is. You will see th=
at it is shifted by two cables.<br />Now, can I come up with a home-made va= riation that I can swap in before I get too far advanced? It seems simple e= nough. Is there yet one more velomobile to build?<br /></span></div>

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I purchased a steel drawer slide to use for my version of the Hilgo transmi= ssion. Just to get it working on a 7-speed first and then installed in the = current trike build with a possible 11-speed..

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I purchased a steel drawer slide to use for my version of the Hilgo transmi= ssion. Just to get it working on a 7-speed first and then installed in the = current trike build with a possible 11-speed..

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Got my rough version of the Hilgo gear mech started today. Didn't get it fi= nished but got a 7-speed mid-drive set up on a bracket and the gear change = idler wheel on a bracket and fastened to the drawer slide. Only have to mak=
e up a tensioner and remove the bottom bracket/front boom from the trike I =
am building, mount them on the side of the work bench, make up a chain, and=
see what happens. Changes will be made by hand moving the slider. An hour =
or so tomorrow afternoon should see an adequate test.

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Got my rough version of the Hilgo gear mech started today. Didn't get it fi= nished but got a 7-speed mid-drive set up on a bracket and the gear change = idler wheel on a bracket and fastened to the drawer slide. Only have to mak=
e up a tensioner and remove the bottom bracket/front boom from the trike I =
am building, mount them on the side of the work bench, make up a chain, and=
see what happens. Changes will be made by hand moving the slider. An hour =
or so tomorrow afternoon should see an adequate test.

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Didn't quite get it finished. Now have mid-drive, slider, tensioner, front = bottom bracket, and a chain ready to size. The chain routing with the test = rig needs a bit more thought. Tomorrow should see it operating - to some ex= tent.

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Didn't quite get it finished. Now have mid-drive, slider, tensioner, front = bottom bracket, and a chain ready to size. The chain routing with the test = rig needs a bit more thought. Tomorrow should see it operating - to some ex= tent.

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Ah, the sweet, sweet, smell of success. Got a rough lash-up clamped down in=
various places, sufficient to give a validation test. It worked. You just = move the slider until the change takes place. A visual indication to the ri= der might be a noticeable change in the resting angle of the chain tensione=
r.

I used a 14t-28t 5-speed mid-drive cassette mated with a 28t-48t triple ch= ainring. Used derailleur idlers were used for the change slider and the cha=
in tensioner. The chain guide idlers were substituted by a length of 3/4" p= ipe.

Considerations:

Larger idlers might be required for the slider and chain tensioner use. Th=
eir positions relative to anything else may need fine tuning.

The height of the slider idler must be higher than the height of the botto=
m of the smallest cassette sprocket. This will automatically make it higher=
than the bottom of the largest sprocket.

A triple chainrig might be used in place of the Hilgo double but it would = probably be pertinent to bypass it in operation to avoid overlapping gears.=
A spreadsheet showed that the gearing should be sufficient with only two c= hainrings, providing a low range and a high range of gears, selected as req= uired for either hill climbing or flat/downhill riding. The ratio between t=
he mid-drive output and the rear wheel sprocket (only a single required) co= uld be selected for even higher or lower overall gearing.

All in all, it seems like a great idea and one that I will be looking at i= ncorporating in my current trike build - with an 8 or 11-speed of course.

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Ah, the sweet, sweet, smell of success. Got a rough lash-up clamped down in=
various places, sufficient to give a validation test. It worked. You just = move the slider until the change takes place. A visual indication to the ri= der might be a noticeable change in the resting angle of the chain tensione= r.<br /><br />I used a 14t-28t 5-speed mid-drive cassette mated with a 28t-= 48t triple chainring. Used derailleur idlers were used for the change slide=
r and the chain tensioner. The chain guide idlers were substituted by a len= gth of 3/4" pipe.<br /><br />Considerations:<br /><br />Larger idlers might=
be required for the slider and chain tensioner use. Their positions relati=
ve to anything else may need fine tuning.<br /><br />The height of the slid=
er idler must be higher than the height of the bottom of the smallest casse= tte sprocket. This will automatically make it higher than the bottom of the=
largest sprocket.<br /><br />A triple chainrig might be used in place of t=
he Hilgo double but it would probably be pertinent to bypass it in operatio=
n to avoid overlapping gears. A spreadsheet showed that the gearing should =
be sufficient with only two chainrings, providing a low range and a high ra= nge of gears, selected as required for either hill climbing or flat/downhil=
l riding. The ratio between the mid-drive output and the rear wheel sprocke=
t (only a single required) could be selected for even higher or lower overa=
ll gearing.<br /><br />All in all, it seems like a great idea and one that =
I will be looking at incorporating in my current trike build - with an 8 or=
11-speed of course.

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I added a photograph of my "Hilgo" mid drive incarnation, to the Trio Photo=
Album. On and off, it took a week to make the bracket and fit it. I still = have to properly fit the rear wheel drive sprocket and a small fitting to f= irmly hold things in place.

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I added a photograph of my "Hilgo" mid drive incarnation, to the Trio Photo=
Album. On and off, it took a week to make the bracket and fit it. I still = have to properly fit the rear wheel drive sprocket and a small fitting to f= irmly hold things in place.

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Like termites, just because you can't see me doing anything, doesn't mean I=
am not doing anything.

I now have all components of my "Hilgo" transmission copy made up, tried i=
n situ, and it works a treat. A little bit of tweaking regarding final posi= tioning of all components and trying various spring loading of the front ch= ain tensioner and it is done. Images available when I get it all finalised.=
I can then move on to the front suspension and steering. The end slowly dr= aws near.

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Like termites, just because you can't see me doing anything, doesn't mean I=
am not doing anything.<br /><br />I now have all components of my "Hilgo" = transmission copy made up, tried in situ, and it works a treat. A little bi=
t of tweaking regarding final positioning of all components and trying vari= ous spring loading of the front chain tensioner and it is done. Images avai= lable when I get it all finalised. I can then move on to the front suspensi=
on and steering. The end slowly draws near.

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Success! I made up a very rough bracket to hold the gear change slider firm=
ly in position to see how it worked without being able to move other than a=
s it should. Changing was feather light and positive. The rig is not good e= nough for photographs as yet.

Normal derailleur levers will not be suitable as it requires a push/pull a= rrangement. I also think that the required cable movement will probably be = more than a standard control may provide. I think I will be making up a sin= gle lever - forward to slow down and rearward to speed up. Shouldn't be too=
difficult but will have to wait until later.

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Success! I made up a very rough bracket to hold the gear change slider firm=
ly in position to see how it worked without being able to move other than a=
s it should. Changing was feather light and positive. The rig is not good e= nough for photographs as yet.<br /><br />Normal derailleur levers will not =
be suitable as it requires a push/pull arrangement. I also think that the r= equired cable movement will probably be more than a standard control may pr= ovide. I think I will be making up a single lever - forward to slow down an=
d rearward to speed up. Shouldn't be too difficult but will have to wait un= til later.

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Added an image of the near completed "Hilgo" gear change mechanism , with s= ome comments, to the Trio photo album. Slowly, but surely, getting there.

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Added an image of the near completed "Hilgo" gear change mechanism , with s= ome comments, to the Trio photo album. Slowly, but surely, getting there.

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