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Recent content by debarra

  1. debarra

    Jo Bolts and checking after installation

    Hi. Kalz. Acc your post I,m sure the problem is hole size, not torque. Holes should be checked with a plug- type GO/NOGO gauge to assure accuracy diameter min max -08 .164 .166 -3 .199 .201 -4 .260 .262 -5...
  2. debarra

    Shot peen requirements 7178-T6511?

    Hi FAARS. Try this www.rosler.com They are in Michigan
  3. debarra

    Airbus SRM

    hi sych. Acc A340 SRM DAN2001 specification is QQ-A-200/11 But seat track material in Srm are made 7075T76511 regards
  4. debarra

    Flush skin repair over obstructed area?

    hi Rob Perhaps a little drawing could be more efective. Could you? cut the upper flange of frame, an a portion of web frame to restore the skin integrity.After that you have to manufacture an angle to join frame and skin.
  5. debarra

    Boeing Fasteners

    HI laXXX There are 3 different hex drive bolts with the same basic part number all of them protuding head shear type 95 ksi BACB30FM steel cadmiun BACB30FM( )A A286 cadmiun BACB30FM( )A-U A286 passivated Mating collar BACC30M or BACC30AG Could you confirm that there aren,t...
  6. debarra

    Extrusion vs milling

    Hi Dan100 Perhaps it was a bit later but anyway you should visit this site www.tiernay.com deba [bigsmile]
  7. debarra

    Ultimate stress in a pressurized fuselage

    HI ALL What interesting forum! Fristly you always should desing structural repairs acc. SRM or following mfg. indications. it,s the best method,and the safer too. The first question of sheet metal guys is why they put only two rows and we,ve to instal 3 or more. Well due cheminal milling , skin...
  8. debarra

    Age Hardening of AN470AD (2117-T4) Rivets

    hi.All due an unforgivable mistake I tell to Vidaman that he could do an heat treatment on rivets AD. THAT IS NOT TRUE. and I hope you escuse me [sadeyes}
  9. debarra

    Age Hardening of AN470AD (2117-T4) Rivets

    Hi Vidaman. rivets with AD letter code are made of 2117 T3 and havent expirity date . If you found some difficult to buck them you should check the rivet gun press and the bucking bar weigth. If the difficulty continue try to do a heat treatment 495º Cº during 20 minutes, quenching in water...
  10. debarra

    Boeing Fasteners

    Hi Bazzo. BACB30NW is an countersunsk head shear hi-lock nominal made of TI 6AL4V 95KSI shear strength you could use HL11 countersunk shear head hi-lock with the same material and shear strength nominal too. boeing use X for 1º oversize, and Y for 2ª R1 of HL11 is HL111, and R2 is HL411 yuo...
  11. debarra

    Boeing Fasteners

    hi Bazzo. I,ve all the spetificatons of HL HI-shear corporation company.Are you looking for something special.

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