Search found 10 matches

by barra
Wed Nov 02, 2016 9:43 pm
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Well Graham has responded and says it would be considered "two motors"...
by barra
Mon Oct 31, 2016 1:10 pm
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Yea, those Rotax 256 and brc engines have scared me from the 250cc class. Although I guess they will always belong in special construction as they never made a bike chassis? Seems like anyone with a bigger bank balance then me could come along and instantly have a lot of horsepower... I think I'm al...
by barra
Mon Oct 31, 2016 10:00 am
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Thanks for the input. Does inline not mean? Parallel? Sorry if I confused everyone by getting my terminology mixed up?
I have contacted Graham and look forward to his advice.
by barra
Sun Oct 30, 2016 6:02 pm
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Well as stated, the frame will meet regs for modified. The engine and frame are of same manufacturer. The engine design is nothing like the pictured engines or the twin engined bike pictured. It is an inline twin. One crankshaft made from two single cyl crankshafts. I have read through the dlra rule...
by barra
Sun Oct 30, 2016 1:59 pm
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Does the fact the engine is so customised make it special construction?
I'm confident I can use a factory frame from the same manufacturer modified within the restrictions of modified frame class.
by barra
Sun Oct 30, 2016 11:52 am
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

That's what I thought and was hoping.
How would I go about clarifying for sure?

Maybe I got the class wrong. But I do want to run modified frame, rather than special construction.

Thanks again for the insight
by barra
Sun Oct 30, 2016 8:44 am
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

M/ag class
by barra
Sun Oct 30, 2016 8:42 am
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Thanks for all the replies.
The concept is a two stroke, two cranks joined together inline, two crank cases modified into one.

Does that sound like a single engine?

Thanks for input
by barra
Sat Oct 29, 2016 1:43 pm
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Re: Two engines to make one?

Sounds interesting, but I don't think it would help me understand if I can make a twin motorcycle engine out of two single cylinder engines and have it considered as one engine?
by barra
Fri Oct 28, 2016 11:29 pm
Forum: Engine Development and Performance
Topic: Two engines to make one?
Replies: 22
Views: 5286

Two engines to make one?

Hi I'm new here. I don't have a dlra rule book yet but have been researching all I can and reading the bonneville regulations I have access to. I'm hoping someone can help me understand and intereperet... If I use two single cylinder motorcycle engines to make one twin cylinder engine running throug...