Star

Just some fun to show. Links, pics or movies.

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Re: Star

Post by beat » Fri Oct 19, 2018 8:56 pm

DSCN1059.jpg
.............
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Re: Star

Post by minetymenace » Sat Oct 20, 2018 7:52 am

Has it got to go out that door (and up the stairs)?
There is no evidence to support the notion that life is serious.
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Re: Star

Post by beat » Sat Oct 20, 2018 7:18 pm

minetymenace wrote:Has it got to go out that door (and up the stairs)?
No, - this workshop has a wider door and a ramp to go out....

beat :lol: :lol: :lol:

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Re: Star

Post by beat » Sat Oct 27, 2018 7:57 pm

working on the " inside - out / upside -down " steering head today
..... <216
DSCN1072.jpg
got the right tool / instruments for this work now
DSCN1074.jpg
new steering head
.
DSCN1073.jpg
botom and top plate for head
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Re: Star

Post by beat » Sun Oct 28, 2018 10:24 pm

hi all,

the electronically part of the new ignition TIS 5G is on the way....
IMG_20181027_125729.jpg
one of the two engineers on to develop.....
beat ( it is raining and cold outside.. )
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Re: Star

Post by beat » Wed Oct 31, 2018 10:28 pm

DSCN1081.jpg
<216

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Re: Star

Post by minetymenace » Thu Nov 01, 2018 8:54 am

In order to meet the stringent Swiss emission control regulations, beats new combo will be fitted with a "cat-a-lick-it" converter. I am intrigued to know how the poor pussy will be plumbed, a flange or butt joint perhaps? :werd
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Re: Star

Post by beat » Thu Nov 01, 2018 11:05 pm

minetymenace wrote:In order to meet the stringent Swiss emission control regulations, beats new combo will be fitted with a "cat-a-lick-it" converter. I am intrigued to know how the poor pussy will be plumbed, a flange or butt joint perhaps?
if I only would speak english....
:(
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Re: Star

Post by beat » Fri Nov 02, 2018 10:46 pm

DSCN1082.jpg
steering head bearing plugs on the way.....
DSCN1083.jpg
Bearings with plugs....
something upside down, inside out, square around, rear in front, : unusual as common......
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Re: Star

Post by beat » Sat Nov 03, 2018 9:41 pm

DSCN1084.jpg
testrun the new TIS 5 G ignition
DSCN1085.jpg
as this version has to run in a total loss electrical system, - it is optimised for low current draw.
this is including now a automatic switch off device.
means, after the time of 10 seconds no spark is needed ( points never opened ), it stops feeding the ignition coil.
to start the ignition again, it needs a new closing and opening of the points.

the testrun of 35 minutes with the small SHIDO LI / FE Battery ( 29 A/H ) was really suxessfull, - no parts are getting to much heat, - battery still shows 50 % of capacity. Voltage dropped from 12.9 V down to 12.6 V only.
so soon the parts are placed in a Alu - box for cooling reasons.....
beat + Lorenz
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Re: Star

Post by Jack Gifford » Sun Nov 04, 2018 4:31 am

Approximate numbers-
50% of 29 AH = 15 AH
15 AH / 0.5 hr = 30 A
:?: :?: :?:
Hard to believe an ignition system takes 30A
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Re: Star

Post by minetymenace » Sun Nov 04, 2018 11:43 am

Think the capacity is Wh, not Ah, so divide by twelve!
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Re: Star

Post by beat » Sun Nov 04, 2018 8:28 pm

minetymenace wrote:Think the capacity is Wh, not Ah, so divide by twelve!
DSCN1086.jpg
the sales box of the battery
you are very right minety :!:

I am sorry for this :oops: :oops:

the all ignition ( electronic and coil ) is taking around 3.4 Amps when coil is cold and points closed.
when coil is hot ( after about 10 minutes running ), the Amps dropping to around 1.7 A only.

time wise, points are closed around 180°with this Triumph ATU, maybe I will prolong this time if engine is not running nicely in higher revs, - I will see....

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Re: Star

Post by stew79 » Tue Nov 06, 2018 9:45 am

12 volts 3.4 amps is 3.5 ohm
12 volts 1.7 amps is 7 ohms
temperature rise of coil (from 20 deg c) to achieve 1.7 amps will be to 291 deg c ????
more likely battery voltage after 10 mins is only 5.9 volts (or 10 watts)
after 30 mins (not just 10 mins) the spark will be even weaker, miss fire etc.

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Re: Star

Post by minetymenace » Tue Nov 06, 2018 10:21 am

stew79 wrote:temperature rise of coil (from 20 deg c) to achieve 1.7 amps will be to 291 deg c ????
1.7A is the current drawn by the ignition system when running (i.e. points opening and closing). 3.4 A is with points closed and coil saturated. Nothing wrong here.
stew79 wrote:more likely battery voltage after 10 mins is only 5.9 volts (or 10 watts)
:?:
If a the terminal voltage of a 12v battery drops to 5.9v, there is something very very wrong. A 30Wh battery should last about an hour and a half if discharged at about 1.7A and at the end the voltage should still be up around 12v.

You been on the mushies Stew?
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Re: Star

Post by beat » Tue Nov 06, 2018 10:29 pm

DSCN1087.jpg
for the front fork: find out best jokes form...
DSCN1088.jpg
swing arm for front fork on the way... ( in stainless steel )
<216


BTW :
stew79 wrote:temperature rise of coil (from 20 deg c) to achieve 1.7 amps will be to 291 deg c ????
stew79, a Coil is NOT a simply Resistor, - you know this ??

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Re: Star

Post by Jack Gifford » Wed Nov 07, 2018 6:21 am

beat wrote: ... Find out best jokes form...
A yoke holds the forks.
A joke is a funny story.
I realize that your 'J' sounds like our 'Y'. But I'm sure your finished yokes won't be a joke. :smile:
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Re: Star

Post by beat » Sun Nov 18, 2018 8:34 pm

y(j)okes on the way....
DSCN1092.jpg
lower yoke
DSCN1093.jpg
on welding...
the swing arm in progress....
DSCN1091.jpg
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Re: Star

Post by minetymenace » Sun Nov 18, 2018 10:22 pm

Inside-out...now I see :idea:
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Re: Star

Post by beat » Wed Nov 21, 2018 10:47 pm

DSCN1095.jpg
no wheels, - rolling on belt drive.....
DSCN1099.jpg
front end on the way
DSCN1100.jpg
squere dance....
DSCN1094.jpg
steam plant....
DSCN1098.jpg
ore OIF ??
<216

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Re: Star

Post by minetymenace » Wed Nov 21, 2018 10:53 pm

Think you are going to need more than 1.5m of damp hemp cord as a fuel tank! :ban

Why no pins in your steering head, or is it I just can't see them in the photos? :?:
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Re: Star

Post by beat » Thu Nov 22, 2018 10:23 pm

minetymenace wrote:
Wed Nov 21, 2018 10:53 pm
Why no pins in your steering head, or is it I just can't see them in the photos?
I will make som more pics from how it works as soon as it is finished....
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Re: Star

Post by beat » Sat Dec 01, 2018 9:11 pm

hi all,

front fork nearly finished
DSCN1105.jpg
steering part
DSCN1104.jpg
swing arm part
DSCN1106.jpg
disq brake on the way...
next is:
DSCN1109.jpg
fraim tubing....
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Re: Star

Post by Jack Gifford » Sun Dec 02, 2018 6:32 am

That fork will provide significant anti-dive.
I liked the Earl's fork on my Horex- zero stiction and just the "right" amount of anti-dive.
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Re: Star

Post by CCM620 » Sun Dec 02, 2018 10:42 am

Hi beat,solo or sidecar Project?

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Re: Star

Post by beat » Sun Dec 02, 2018 5:07 pm

Jack Gifford wrote:
Sun Dec 02, 2018 6:32 am
That fork will provide significant anti-dive.
I had a strong " diving " on my last swing arm fork on a Wasp .
now I go for less ore " nothing " diving.
see what is coming out on it.
CCM620 wrote:
Sun Dec 02, 2018 10:42 am
solo or sidecar Project?
Sidecar of cause. :lol:
( in my age ... )

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Re: Star

Post by beat » Fri Dec 07, 2018 9:07 pm

hi all

Front fork finished, lightweight and clean...
DSCN1110.jpg
the first frame tubes on the way...
DSCN1113.jpg
new engine brackets
DSCN1114.jpg
lower gearbox mount
DSCN1117.jpg
just bushings get welded to the frame,- copper dummies needed for welding process.
Silent Blocks are coming in place finally...
DSCN1118.jpg
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Re: Star

Post by minetymenace » Sat Dec 08, 2018 1:28 am

You done any stress analysis beat, or is it empirical?
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Re: Star

Post by beat » Sat Dec 08, 2018 8:43 pm

it is empirical.

40 years ago, we had made our Wasp Sidecar with the Kawa H2 750 In fitted with this Silent Blocks as we calling it.
K750Wasp.jpg
within two years of racing, ONE only and single crack in the frame !

so- back to the roots <217

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Re: Star

Post by minetymenace » Sun Dec 09, 2018 1:55 am

Yes, ok for a high revving 2 smoke but those rubbers look rather skinny for a thumper, maybe bigger roots are needed. <201

Is the engine a stressed member?
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Re: Star

Post by beat » Sun Dec 09, 2018 8:20 pm

minetymenace wrote:
Sun Dec 09, 2018 1:55 am
Is the engine a stressed member?
:?: :?: :?:
what means this in proper english ??
minetymenace wrote:
Sun Dec 09, 2018 1:55 am
those rubbers look rather skinny for a thumper,
there existing three types of silent blocks for the 10 mm bolt. each of them has more or less rubber.
I have chosen the medium one in a tribute to the sensitive tension for the belt drive.
because the all engine is set in silent blocks as well as the lower gearbox mount.
the uper gearbox mount is in a fix ( no rubber ) but adjustable position to the engine, but in rubber to the frame as well.

this silent blocks are a tribute to the stainless steel and lightweight built frame anyway, - most of the tubes are in 2.0 mm and 1.5 mm wall size only.

sure, - the all built is a experiment, - but I just give it a go to see what is coming out on it..... :?:

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Re: Star

Post by minetymenace » Sun Dec 09, 2018 11:25 pm

Hi beat, "stressed member" can mean many things, but in this case I meant does it provide additional strength to the frame, I guess "no" as "the member is rubber mounted". :???:
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Re: Star

Post by beat » Sat Dec 15, 2018 8:40 pm

DSCN1143.jpg
DSCN1142.jpg
DSCN1145.jpg
<982

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Re: Star

Post by Ian Hingley » Sun Dec 16, 2018 11:36 am

Hey beat!
Retirement must suit you - you're looking younger every day!
<217
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Re: Star

Post by minetymenace » Sun Dec 16, 2018 2:43 pm

:laugh
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Re: Star

Post by beesa71 » Sun Dec 16, 2018 2:59 pm

Funily enough Ian, I thought so too. I was sure he looked older than that at the International B50 Meeting in Paris in September but then thought it must have been the womderful weekend and superb hospitaility of our hosts that changed him....... didn't seem to work for me though, still old in all respects!

Regards to all OIF'ers.

Paul.

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Re: Star

Post by minetymenace » Sun Dec 16, 2018 3:14 pm

Bike in the cellar, painting in the attic. :???:
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Re: Star

Post by beat » Sun Dec 16, 2018 6:31 pm

Ian Hingley wrote:
Sun Dec 16, 2018 11:36 am
Retirement must suit you - you're looking younger every day!
Haaaaaaaaaa :!:

No, - it is not retirement making me looking younger !

- it is the nice BSA project, making the difference :!: :!:

the weekend in Paris did of corse a part of having happiness


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Re: Star

Post by beat » Thu Dec 27, 2018 10:01 pm

DSCN1162.jpg
chain adjust rear
DSCN1163.jpg
rear swing arm in progress ( for 150 mm suspension )
DSCN1164.jpg
<982 <982 beat

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Re: Star

Post by Barry Creary » Fri Dec 28, 2018 12:15 am

Good to see you back on the job after a Christmas break Beat<981 <982 <981 some very classy welding there to :thumb

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