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Stopping by the local bike shop.....

 
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SpikeC



Joined: 20 Aug 2013
Posts: 450
Location: Portland, Oregon

PostPosted: Thu Feb 18, 2016 2:09 am    Post subject: Stopping by the local bike shop..... Reply with quote

I was chatting with a fellow there and he showed me a DB4 that they had in for a service! It had a Florida plate on it. These are rare as hens teeth around here!
While chatting he asked me if I would like to put my bike on their digital scale that they had out, and of course I said yes. With a little over a half tank of gas it weighed right on 400#! Distribution was 51% front 49 back.
This is with an ally tank and a lithium iron battery. This agreed with my bathroom scale weighing one wheel at a time.
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Spike C.
Portland, Oregon, USA
2008 Bimota DB5R
1965 Triumph T100SC
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vort28



Joined: 22 Mar 2010
Posts: 2194
Location: Northwest , UK

PostPosted: Thu Feb 18, 2016 4:34 pm    Post subject: Reply with quote

So that's 181kg and Bimota official figures seem to be 175kg in running order and 165kg dry.
7 litres of petrol is 4.9kg , so sort of lines up, other than the fact you have a light weight tank and a lighter battery.
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2bims



Joined: 03 Apr 2010
Posts: 7289

PostPosted: Thu Feb 18, 2016 7:30 pm    Post subject: Reply with quote

The 50:50 weight distribution lines up also...I've had to Vosa test DB5/Db6 and Db7....and figures were always around 50:50...51:49....I know 50:50 is supposed to be good in a car but heaven knows if its also good for a bike? Evidently it varies tremendously when accelerating and breaking...so I suppose 50:50 is a good static starting point......
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SpikeC



Joined: 20 Aug 2013
Posts: 450
Location: Portland, Oregon

PostPosted: Fri Feb 19, 2016 7:39 pm    Post subject: Reply with quote

My thought is that a little weight bias to the front is a good thing, it helps keep the bike planted on turn in and reduces slightly the tendency to loft the front on corner exit. Of course, the front comes up exiting a turn underpower regardless, butt it sounds good!
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Spike C.
Portland, Oregon, USA
2008 Bimota DB5R
1965 Triumph T100SC
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