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Search: Posts Made By: Pete Bergstrom
Showing results 1 to 25 of 95
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Forum: Gas Engines
05-05-2014, 10:51 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

Matt the baseline for the 15gX is 4-7/8 for...

Matt

the baseline for the 15gX is 4-7/8 for the low and 1-1/2 for the high.

Pete

ps. We will get an update in the manual.
Forum: Gas Engines
05-03-2014, 07:52 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

If you just send us the ignition unit we can...

If you just send us the ignition unit we can replace the plug cap for you. Use the repair form found on our website under support.

Pete
Forum: Gas Engines
05-02-2014, 04:00 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

911mike try going in about 1/4 turn on the...

911mike

try going in about 1/4 turn on the idle screw and check it again. Once broken in the engine generally requires the low speed needle to go in (lean) 1/2-3/4 turn. You are probably far...
Forum: Gas Engines
04-06-2014, 03:57 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

There is no problem running the 11-6 prop...

There is no problem running the 11-6 prop forever. Enjoy the engine. We found our 15Gx to be a much better match for the Katana and it's expected performance level.

Pete
Forum: Gas Engines
03-02-2014, 06:36 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

This looks to me that you low speed needle is a...

This looks to me that you low speed needle is a little rich.

Remember that hat this fuel system runs on muffler pressure and there is little pressure at idle so gravity has more effect at low...
Forum: Gas Engines
01-22-2014, 09:25 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

The ABC was chosen over the ringed version in...

The ABC was chosen over the ringed version in development because of the marked difference in the power output of the engine. I've never tried the Motul 800 you refer to so I can't be a judge of...
Forum: Gas Engines
01-22-2014, 09:00 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

The lack of needle roller bearings at the top of...

The lack of needle roller bearings at the top of the conrod have no bearing :o on the amount of oil. The general construction of the engine (ABC) requires the extra oil when compared to a ringed...
Forum: Gas Engines
01-05-2014, 02:10 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

The greatest need for the felt filter in the...

The greatest need for the felt filter in the clunk is to dissipate the air bubbles in the tank. As mentioned in the instructions the carb is very sensitive to what most would see as 'normal' air...
Forum: Gas Engines
12-06-2013, 07:28 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

Giddyup, This is very important. To lock...

Giddyup,

This is very important. To lock the cap in place you push it on as you have described and then rotate the cap clockwise about 1/6 of a turn. This will lock it in place. To remove you...
Forum: Gas Engines
11-18-2013, 03:06 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

CapDave, The only issues we have found with...

CapDave,

The only issues we have found with interference with our ignition system have all been traced back to loose connections at the plug cap. You mention that has been checked and confirmed...
Forum: Gas Engines
10-04-2013, 01:47 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

True enough - we did test it, and you'll note...

True enough - we did test it, and you'll note that I made the comment above, not 'we'. :) And honestly I never ran a steady 4 gals of any of the oil through one engine like you have so maybe we...
Forum: Gas Engines
10-04-2013, 12:58 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

Marty, If you would like to send it in we...

Marty,

If you would like to send it in we would be glad to take a look at it for you.

The Husquavarna oil I can get here is somewhat akin to burnt coffee with about the same viscosity. Is it...
Forum: Gas Engines
10-04-2013, 06:11 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

What does it sound like/feel like when it is not...

What does it sound like/feel like when it is not running?

Pete
Forum: Gas Engines
09-13-2013, 01:47 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

As supplied out of the box the engine won't run...

As supplied out of the box the engine won't run backwards. This requires a new crankshaft to change th intake timing and a new prop driver to modify the ignition timing. We could make these available...
Forum: Gas Engines
07-02-2013, 02:18 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

11-6 or 7, 12-6 or 7

Pete
<br type="_moz" />
Forum: Gas Engines
05-21-2013, 05:38 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

<div style="margin: 0in 0in 0pt">The performance of the stock carburetor is identical to Evgeny's when you allow the engine to break-in properly and you set the low speed needle properly.</div><div...
Forum: Gas Engines
05-20-2013, 06:57 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

Matt,

The difference in rich/lean between upright and inverted indicates a difference in tank height when compared to the centerline of the carburetor. Most likely your tank is located below the...
Forum: Gas Engines
05-13-2013, 10:15 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

Evgeny - Thanks for all your input. That is an impressive increase in hp with the tuned pipe.

The max rpm for the ignition system is 30,000 so you are no where near that yet.

What prop are you...
Forum: Gas Engines
05-13-2013, 09:40 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

Evgeny,

I think you need to calibrate your rpm data. There is no way the 10cc engine can turn a 13-6 at those rpms.

Pete<br type="_moz" />
Forum: Gas Engines
05-09-2013, 06:24 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

We are doing our inspection in the warehouse this morning (Thursday) and expect to start shipping the BO's by tomorrow at the latest.

Pete
Forum: Gas Engines
04-29-2013, 07:51 AM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

Unfortunately we missed our April 28 date by about 10 days on the shipment of the 10, 15, 20 and 33cc engines. They are currently being airfreighted to us now and we expect to be able to start...
Forum: Gas Engines
04-25-2013, 07:46 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

Bruno, that is the correct position.

Pete<br type="_moz" />
Forum: Gas Engines
04-25-2013, 01:39 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

Evgeny,

Thank you for the photos.

Pete
Forum: Gas Engines
04-25-2013, 12:31 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

There is one of two things happening here.

1) the small amount of play between the threads of the needle valve is allowing you to push the needle itself agaist the side of the seat, closing off...
Forum: Gas Engines
04-25-2013, 12:24 PM
Replies: 2,224
Views: 445,197
Posted By Pete Bergstrom

RE: New Evolution 10cc gas engine

We don't yet have a 60-120 sized rotating retracts. For the Corsair and P-40 that you mention the 25-46 sized retracts found here:
...
Showing results 1 to 25 of 95
 
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