Super Tigre G51
11-18-2003, 08:57 PM
#4
RE: Super Tigre G51
http://www2.towerhobbies.com/cgi-bin...?&I=LXFY16&P=Z
The older ones were bolt on type and the best I can tell were 3mm X 17mm.
Most of them are bolt through anymore and I think they are 3.5mm X 40mm.
Jim
The older ones were bolt on type and the best I can tell were 3mm X 17mm.
Most of them are bolt through anymore and I think they are 3.5mm X 40mm.
Jim
11-18-2003, 10:12 PM
#5
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RE: Super Tigre G51
I had the same problem. There is a bolt kit available from Tower. The head screws are the same size, maybe a hair too long. 3.5mm . The muffler screws seem impossible to obtain. Mike
11-18-2003, 10:32 PM
#6
RE: Super Tigre G51
3.5 sounds right. I tried a 3mm and it was loose. It is not the bolt-through type. I'll check Tower. Thanks to everyone for help. If nothing else, I guess I could drill and tap to 4mm or drill though and use a bolt and nut.
FR
FR
11-18-2003, 10:46 PM
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RE: Super Tigre G51
I forget something. If I use red locktite, not blue, and check the torque prior to each flight they don't rattle out. This is only a problem when I have the muffler out towards the end of the header pipe. Mike
11-18-2003, 11:08 PM
#8
RE: Super Tigre G51
Anyone needing the bolt on type they are here:
http://www2.towerhobbies.com/cgi-bin...?&I=LXFV97&P=Z
But it sounds as your ST 51 has already been stripped out if it's not the bolt through type? Someone may have made it 6-32 or something? You might could just drill it through and use the 3.5's and nuts?
Enjoy,
Jim
http://www2.towerhobbies.com/cgi-bin...?&I=LXFV97&P=Z
But it sounds as your ST 51 has already been stripped out if it's not the bolt through type? Someone may have made it 6-32 or something? You might could just drill it through and use the 3.5's and nuts?
Enjoy,
Jim
11-18-2003, 11:19 PM
#9
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RE: Super Tigre G51
I just cleaned up one of these for a friend of mine.
I convert everything that I can to SAE. I drilled the muffler screw holes in the cylinder all the way through and threaded the holes for 6 X 32 X 1 1/4" I drilled out the muffler bolt to the header pipe to accept an 8 X 32 with a fiber lock nut on the bottom. I have been doing this on Super Tiger engines for about 20 yrs.
Good luck
Lee
I convert everything that I can to SAE. I drilled the muffler screw holes in the cylinder all the way through and threaded the holes for 6 X 32 X 1 1/4" I drilled out the muffler bolt to the header pipe to accept an 8 X 32 with a fiber lock nut on the bottom. I have been doing this on Super Tiger engines for about 20 yrs.
Good luck
Lee
11-19-2003, 09:32 AM
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RE: Super Tigre G51
Try Micro-Fasteners [link]http://www.microfasteners.com[/link] for M3x40 (3 mm caphead socket screws, 40 mm long) which are the correct ones for the ST .51
For anyone who needs the M2.6x0.45 that OS uses on some engine, Microfasteners've got them too.
Top mob!!
And very fair prices.
For anyone who needs the M2.6x0.45 that OS uses on some engine, Microfasteners've got them too.
Top mob!!
And very fair prices.
11-19-2003, 12:27 PM
#11
RE: Super Tigre G51
Finding the right size (diameter) is not so difficult.....finding the correct
thread pitch is another ball game....they use 1.25. 1.50, and 1.75 piches,
as well as ISO threads, and non-ISO threasd on the older stuff....
....bottom line....I tap 'em out to an available metric or Amer. size....
Dave.
thread pitch is another ball game....they use 1.25. 1.50, and 1.75 piches,
as well as ISO threads, and non-ISO threasd on the older stuff....
....bottom line....I tap 'em out to an available metric or Amer. size....
Dave.
