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Author Topic: 1977 BMW R100/7 Sarcoplasmic Cow Hellride  (Read 45823 times)

Offline irk miller

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #360 on: Dec 01, 2018, 23:10:23 »
Iím still fiddling with this rear fender trying to get it right. I think I finally have it sorted. To get it right, I pulled the shock and dropped the bike to full bump, then marked the edges to match the wheel.  In doing so, I also figured out that the hoop was too steep, so I dropped it about 2in.

I also got the light back on it. Thereís thoughts it may be too big for this version of the bike, but honestly I like a bigger light.




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Online Hurco550

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #361 on: Dec 01, 2018, 23:18:38 »
the light is slightly big imho, but I'd like to see if the front fender helps with proportions

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"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
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1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet

Offline irk miller

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #362 on: Dec 01, 2018, 23:34:31 »
the light is slightly big imho, but I'd like to see if the front fender helps with proportions

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It's actually smaller than stock.  LOL. 

Online Hurco550

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #363 on: Dec 01, 2018, 23:35:49 »
It's actually smaller than stock.  LOL.
Ha, bmw did like big headlights eh. Maybe it just looks a bit far forward without the gauges behind it?

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"If you just picked up a drug habbit instead of a kawasaki triple at least you could get high while you waste money"
~ bradj
1988 tw200, the swamp donkey: http://www.dotheton.com/forum/index.php?topic=75455.0
2006 Suzuki DR650 Adventure monowheel trailer build: http://www.dotheton.com/forum/index.php?topic=75033.0
1976 BMW R90/6 farkilitious: http://www.dotheton.com/forum/index.php?topic=74349.msg882477#msg882477
1975 RD350 Road Racer: http://www.dotheton.com/forum/index.php?topic=70652.msg833688#msg833688
1976 GT250 Rebuild: http://www.dotheton.com/forum/index.php?topic=64973.new#new
Full Custom Pit Bike: http://www.dotheton.com/forum/index.php?topic=66954.new#new
1971 Yamaha 90cc twin HS1: http://www.dotheton.com/forum/index.php?topic=70498.0
"much ingenuity with a little money is more profitable and amusing than much money without ingenuity" - Arnold Bennet

Offline irk miller

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #364 on: Dec 01, 2018, 23:40:55 »
Ha, bmw did like big headlights eh. Maybe it just looks a bit far forward without the gauges behind it?

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The stock gauges actually don't fit without lifting them up a bunch.  They barely fit with the VZ triple, which had 1.5 times the offset.

Offline pidjones

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #365 on: Dec 02, 2018, 08:50:37 »
I like the hoop much more now. The fender could still stand a little more reshaping.
"Love 'em all.... Let God sort 'em out!"

Offline irk miller

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #366 on: Dec 02, 2018, 11:50:47 »
the light is slightly big imho, but I'd like to see if the front fender helps with proportions

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A little better, eh? This one is 6v, so I either need to convert or find a 12v similar. I have a Vetter light coming to me, which is much the same shape but larger.


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Offline 1fasgsxr

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #367 on: Dec 02, 2018, 15:45:16 »
Fender is looking much better....there is something about the tank and seat that don't look right to me. Looks like ther is a peak right where the 2 meet. May just be the camera playing tricks.
http://www.dotheton.com/forum/index.php?topic=41083.0

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Offline irk miller

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #368 on: Dec 02, 2018, 16:23:03 »
Fender is looking much better....there is something about the tank and seat that don't look right to me. Looks like ther is a peak right where the 2 meet. May just be the camera playing tricks.
It's just a seat pan.  I haven't made the padding yet.

Offline irk miller

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Re: 1977 BMW R100/7 Sarcoplasmic Cow Hellride
« Reply #369 on: Dec 02, 2018, 16:38:19 »
Well, there's no love for my big light but I put it back on.  The little light just didn't look right with the gauges.  I'm still going to try a Vetter light, but for now the big light remains.  I actually like it, despite (or because of) it looking like 1935 Chevy truck headlight. 



The seat pan is complete.  Like all of my seats, I mounted it by a GSXR pillion seat quick release lock.  The front of the seat slides into the round tube on the backbone of the frame via a machined delrin cup. 









Just a reminder:  We are making a Bates Desert Sled style seat.  Unlike most Bates seats, mine is a bit more molded, particularly over the fender.  The bates seat typically has a flat sheet pan that is bent to go over the fender and exposing the sides.  I've also rolled my edges so I have an extra inch for electronics.  It's not much, but I at least want a little air gap.