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Old 10-07-2012, 04:59 AM
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The engine looks great.
Please publish its dimensions.
Thanks in advance .
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Old 10-07-2012, 08:17 AM
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Quote:
Originally Posted by Cryhavoc38 View Post
Specifically the 123 is what I am referring to. An earlier post states that they are shooting for at least the power of the DA-120, which would be great, as long as it doesn't shake as bad as the DA-120 does.

If your DA-120 shakes a lot, it has issues. Mine and the others around here run very smooth.
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Old 10-13-2012, 08:03 AM
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Any idea when these 61 and 123 engines will be completed and ready for sale?
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Old 11-01-2012, 02:39 AM
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Any news on the progress of these babies?
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Old 11-01-2012, 03:54 AM
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i am sure fergus will reply, but in the meantime.... there is no release date set yet, they are still in progress. as eager as we all are, its a good thing they are getting it better than right, before releasing them
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Old 11-01-2012, 04:12 AM
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Yip, that gives a great sense of comfort!
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Old 11-01-2012, 04:22 AM
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I don't mind them getting it right the first time. In fact I hope he does. Just can't stand the suspense!!
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Old 12-05-2012, 12:09 AM
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Well everyone the hub is finished. We are now just waiting on the final cylinder only, test flight will begin very soon.
Here are some of the updated photos of the GP61







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Old 12-05-2012, 12:14 AM
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beautiful castings!
Will you incorporate a choke rod actuator guide into the casting to accommodate a manual choke?
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Old 12-05-2012, 12:29 AM
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Bought an EF Extra 91" earlier today. I need to decide whether to get the OS GT60 or this one.
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Old 12-05-2012, 12:30 AM
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At the moment there is no provisions for a choke guide. But we will definitely look into in the future. I prefer having a bell crank anyway thats the weight my 88 is set up so the choke rod comes out the side of the plane.
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Old 12-05-2012, 12:58 AM
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Beautiful castings...Why not put a hole in the reed block and do away with the tygon pulse line?
And why 4 prop bolts when a single would be better ? You can NOT shear a single prop bolt..
and That con rod sure looks familiar
Nice looking balanced crank....
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Old 12-05-2012, 01:10 AM
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Yes they do, Did you finish the racing 176 yet?
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Old 12-05-2012, 01:13 AM
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Quote:
Originally Posted by antique View Post
Beautiful castings...Why not put a hole in the reed block and do away with the tygon pulse line?
And why 4 prop bolts when a single would be better ? You can NOT shear a single prop bolt..
and That con rod sure looks familiar
Nice looking balanced crank....
I think 4 bolt was much safe than one bolt...That's what I choose 4 bolt.
The bolt pattern was exactly same DA so it might has no problem if you going to switch prop!
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Old 12-05-2012, 01:33 AM
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Quote:
Originally Posted by KoleDeRacer View Post
Yes they do, Did you finish the racing 176 yet?
The money job is done, time to get back to the race engines..The case is designed, in the computer, just needs some machine time...

A single bolt is safer, it can only get tighter...4 bolts will shear if the prop compresses, it comes off..
We race 289cc drone engines...At our last race the pilot and pit crew neglected to put the 3/8-24 single bolt through the prop and into the crankshaft...The 4 1/4-20 prop bolts compresed the prop and sheared off...The 23x31 carbon prop hit the ground before hitting the helper's arm...40 stiches...Could not have happened if the center bolt was put in....A painful lesson......6
with a single bolt you can still switch prop..A 60cc engine needs only 1 bolt..Just ask a few THOUSAND Zenoah and Quadra owners, 25 years and counting
We are confident the racing 176 will outdo the racing DA 170, we machined on both...
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Last edited by antique; 12-05-2012 at 01:47 AM.
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