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by brenton.roy
Sun Jan 26, 2020 8:43 am
Forum: Ariel Talk
Topic: rigid crank versus swingarm crank
Replies: 7
Views: 925

Re: rigid crank versus swingarm crank

There is a letter about this topic somewhere in the library or forum. I found it a couple of months ago and have now lost it..
It says that Hartley suggested 65% for rigid singles and 70 something percent for swinging arm.
If anyone finds it, please let me know.
by brenton.roy
Fri Jan 10, 2020 11:40 am
Forum: Member's Bikes
Topic: SpAriel MkII aka The Hermanator
Replies: 155
Views: 52735

Re: SpAriel MkII aka The Hermanator

Best to do these things while you can still remember what day it is..
Every retirement day is a new adventure..
by brenton.roy
Fri Jan 10, 2020 10:09 am
Forum: Four stroke
Topic: Recommendation for concentric size
Replies: 5
Views: 850

Re: Recommendation for concentric size

I'd use the 28mm. Agreed re the compression.
Even a 7.5:1 piston would be a big improvement.
I think you'll notice improved power throughout the rev range and a small loss of 'genteel' character.
by brenton.roy
Fri Jan 10, 2020 9:55 am
Forum: Ariel Talk
Topic: Running without lights
Replies: 53
Views: 6605

Re: Running without lights

I've always worked on the 'if you can't see them they're not there' principle - and so far it has worked brilliantly. :)
by brenton.roy
Fri Jan 10, 2020 9:48 am
Forum: Member's Bikes
Topic: SpAriel MkII aka The Hermanator
Replies: 155
Views: 52735

Re: SpAriel MkII aka The Hermanator

Bored Vincent?
by brenton.roy
Mon Dec 23, 2019 5:57 am
Forum: Four stroke
Topic: Square Four gearing
Replies: 14
Views: 2332

Re: Square Four gearing

I think standard gearing is a bit low for current roads, particularly if you are doing any highway riding.
by brenton.roy
Wed Dec 11, 2019 9:43 am
Forum: Main Chat Forum
Topic: powdercoat disaster
Replies: 36
Views: 5528

Re: powdercoat disaster

Sounds like a good plan John. I have a less obvious but similar issue with some powder coating that dad had done on the '37NG. The 'gloss' bits that aren't satin have orange peel and pin holes. I figure the powder coat is a good base and I'm reluctant to have even more metal sandblasted away. A frus...
by brenton.roy
Tue Dec 10, 2019 2:17 am
Forum: Main Chat Forum
Topic: powdercoat disaster
Replies: 36
Views: 5528

Re: powdercoat disaster

John, I'd like to post something constructive - but I'm having too much fun at your expense.
What do you plan to do?
by brenton.roy
Wed Dec 04, 2019 9:19 pm
Forum: For sale/wanted - Bikes
Topic: FOR SALE 1932 Red Hunter
Replies: 10
Views: 2228

Re: FOR SALE 1932 Red Hunter

Beautiful bike.
by brenton.roy
Sat Nov 30, 2019 9:31 am
Forum: Main Chat Forum
Topic: A Red Hunter on the racetrack today
Replies: 4
Views: 843

Re: A Red Hunter on the racetrack today

Awesome! Thanks.

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