Hi Garry,
No idea as it soft seized and the dyno rotated the engine over a few times. It kicked over after the fact but with obvious diminished cylinder pressure. Not sure where in the stroke it seized.
Search found 211 matches
- Wed Dec 13, 2017 7:17 am
- Forum: Lambretta Tech
- Topic: Detonation, lean seizure, or....?
- Replies: 33
- Views: 11878
- Wed Dec 13, 2017 3:54 am
- Forum: Lambretta Tech
- Topic: Detonation, lean seizure, or....?
- Replies: 33
- Views: 11878
Detonation, lean seizure, or....?
So after a relatively anti-climactic dyno session this morning, I'm left with the following parts to ponder... https://farm5.staticflickr.com/4530/24156153767_3f15f46f58_z.jpg IMG_6137 by PotvinV8 , on Flickr https://farm5.staticflickr.com/4564/24156154057_69c75b9cc9_k.jpg IMG_6138 by PotvinV8 , on ...
- Wed Dec 13, 2017 3:47 am
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: Rotax 300 builld
- Replies: 242
- Views: 121592
Re: Rotax 300 builld
Well, things started off promising. https://farm5.staticflickr.com/4517/38304371774_3df5ec7b64_h.jpg IMG_6131 by PotvinV8 , on Flickr Then this happened... https://farm5.staticflickr.com/4546/38304371974_1c7d8fd607_h.jpg IMG_6136 by PotvinV8 , on Flickr https://farm5.staticflickr.com/4682/2415615496...
- Tue Dec 12, 2017 10:10 pm
- Forum: Lambretta Tech
- Topic: Cubes, cubes, I want more cubes!!!
- Replies: 51
- Views: 14662
Re: Cubes, cubes, I want more cubes!!!
Darrell, What are the rod specs (length, weight)? And piston weight? I never weighed my 125mm rod or 76 mm piston. Just wondering so that I might have a baseline comparison if it ever becomes an issue. Thanks! Its a development spec so not available ,not an answer but didnt want u thinking i was ig...
- Mon Dec 11, 2017 10:50 pm
- Forum: Lambretta Tech
- Topic: Cubes, cubes, I want more cubes!!!
- Replies: 51
- Views: 14662
Re: Cubes, cubes, I want more cubes!!!
No kidding, after the "jump" i was inundated with subscription offers and pop up ads!
Naw, just kidding. Good read. I think it answers a lot of questions that have been brought up in this thread. I know I learned a lot. Nice job!
- Mon Dec 11, 2017 8:01 am
- Forum: Lambretta Tech
- Topic: Cubes, cubes, I want more cubes!!!
- Replies: 51
- Views: 14662
Re: Cubes, cubes, I want more cubes!!!
Or someone measured the BMEP uncorrected vs corrected!
- Sun Dec 10, 2017 4:24 pm
- Forum: Lambretta Tech
- Topic: Cubes, cubes, I want more cubes!!!
- Replies: 51
- Views: 14662
Re: Cubes, cubes, I want more cubes!!!
I want to see the box of parts that 380cc setup will destroy! Should be lots of fun when you get to that point. Rich, I'm surprised the BMEPs are that low. I was thinking more like something in the neighborhood of 150psi (10 bar) or so on a decent two stroke engine. In doing four stroke stuff, a BME...
- Sun Dec 10, 2017 4:09 pm
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: Rotax 300 builld
- Replies: 242
- Views: 121592
Re: Rotax 300 builld
Got a dyno date penciled in for Tuesday and will be spending the next day or so in preparation. Should be interesting to see what it makes. I know there are a few things I'm a bit pessimistic about, so it should be intriguing to see if those things have any effect on the final numbers. Let's just ho...
- Sun Dec 10, 2017 4:03 pm
- Forum: Lambretta Tech
- Topic: Dyno Day Advice- 300cc Rotax bike
- Replies: 2
- Views: 1900
Dyno Day Advice- 300cc Rotax bike
Looks like I've finally sorted out a dyno to run the liquid cooled 300cc Rotax engined bike. Have never run a scooter on the dyno before, so thought I'd throw it to you guys to see if you had any advice to make for a better experience/smoother testing. Just trying to think of everything so we don't ...
- Fri Dec 08, 2017 9:12 am
- Forum: Lambretta Tech
- Topic: Cubes, cubes, I want more cubes!!!
- Replies: 51
- Views: 14662
Re: Cubes, cubes, I want more cubes!!!
It's predetermined as part of the formula.